Product Description
Product Description
FCL flexible coupling is widely used,owing to its advantages:compact designing,easy installation,convenient maintenance,small size and light weight.As long as the relative displacement between shafts is kept within the specified tolerance,coupling will operate the best function and have a longer working life.
Size available from:90,100,112,125,140,160,180,200,224,250,280,315,355,400,450,560,630
FCL flexible coupling is widely used for its compact design, easy installation, convenient maintenance, small size and light weight.
1. A flexible structure that is made through combining a flange with a coupling bolt.
2. Easy to attach.
3. Easy to replace the bush by just removing the coupling bolt, which makes maintenance and preservation easy.
4. Absorbs misalignment such as eccentricity and declination, and absorbs screw vibrations to prevent noise.
5. Does not transmit the thrust load.
6. Material could be customized.
Detailed Photos
Product Parameters
Packaging & Shipping
| Package | Standard suitable package / Pallet or container. Polybag inside export carton outside, blister and Tape and reel package available. If customers have specific requirements for the packaging, we will gladly accommodate. |
| Shipping |
10-20working days ofter payment receipt comfirmed (based on actual quantity). Professional goods shipping forward. |
Company Profile
FAQ
Q: Are you trading company or manufacturer?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit. To supply customers excellent quality products with good price and punctual delivery time is our responsibility.
| Standard Or Nonstandard: | Standard |
|---|---|
| Structure: | Rigid |
| Material: | Cast Iron |
| Type: | Rigid Coupling |
| Delivery: | 2~7 Days for Stock, 15~45 Days for Without Stock |
| Certification: | ISO9001:2008 |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What Are the Maintenance Requirements for Pin Couplings?
Pin couplings are known for their simplicity and ease of maintenance. Regular maintenance helps ensure the longevity and optimal performance of pin couplings in various mechanical systems. Here are the key maintenance requirements for pin couplings:
- Lubrication: Most pin couplings require periodic lubrication to reduce friction between the pins and the coupling hubs. Lubrication helps prevent wear and corrosion, ensuring smooth operation.
- Inspection: Regular visual inspections are essential to identify any signs of wear, misalignment, or damage. Inspecting the pins, coupling hubs, and surrounding components can help detect potential issues early on.
- Torque Check: It is crucial to periodically check and retighten the bolts or screws that secure the coupling to the shafts. Loose fasteners can lead to misalignment and coupling failure.
- Alignment: Proper shaft alignment is critical for the effective functioning of pin couplings. Regularly check and adjust the alignment if necessary to minimize wear and vibrations.
- Environmental Protection: In harsh environments or corrosive conditions, take measures to protect the pin coupling from contaminants or chemicals that could cause damage.
- Replacement of Worn Components: When any of the coupling components, such as pins or hubs, show signs of significant wear, they should be replaced promptly to prevent further damage.
It is important to follow the manufacturer’s maintenance guidelines and recommendations for the specific type of pin coupling used in the application. Regular maintenance not only ensures the smooth operation of the coupling but also helps prevent unexpected breakdowns and reduces the risk of costly downtime. Proper maintenance can extend the service life of pin couplings and contribute to the overall reliability of the connected equipment.
Impact of Pin Coupling on the Overall Reliability of Connected Equipment
A pin coupling plays a crucial role in enhancing the overall reliability and performance of connected equipment in various industrial applications. Its design and construction contribute to several factors that influence reliability:
1. Torque Transmission: Pin couplings efficiently transmit torque between the driving and driven shafts, ensuring smooth power transfer without slippage or loss. This consistent torque transmission helps maintain the stability and reliability of the system during operation.
2. Misalignment Compensation: Pin couplings are designed to accommodate small amounts of angular, parallel, and axial misalignment between shafts. By tolerating misalignment, the coupling reduces stress on connected equipment, bearings, and seals, thereby enhancing reliability and extending the service life of these components.
3. Shock and Vibration Absorption: In applications with dynamic loads, such as pumps, compressors, and heavy machinery, pin couplings help dampen shock and vibrations. By absorbing and reducing these impact forces, the coupling minimizes stress on the system and prevents premature component failure.
4. Simplified Maintenance: Pin couplings generally have a simple design, making them easy to install and maintain. The ease of maintenance ensures that the coupling can be regularly inspected, lubricated, and replaced when necessary, reducing downtime and increasing the overall reliability of the equipment.
5. Corrosion Resistance: Depending on the materials used, pin couplings can be highly resistant to corrosion, making them suitable for use in harsh or corrosive environments. This corrosion resistance prevents degradation of the coupling and its components, enhancing reliability and longevity.
6. Enhanced Durability: High-quality pin couplings are manufactured from robust materials and undergo precise machining processes. These attributes contribute to the coupling’s durability, allowing it to withstand heavy loads and harsh conditions over an extended period.
7. Balanced Design: The design of a pin coupling ensures that the load is evenly distributed between the driving and driven shafts. This balanced load distribution reduces stress concentrations, minimizes wear, and increases the reliability of connected equipment.
8. Compliance with Standards: Reputable pin coupling manufacturers ensure their products comply with industry standards and regulations. Meeting these standards ensures that the coupling is designed and manufactured to specific quality criteria, enhancing reliability and safety.
Overall, a well-selected and properly installed pin coupling can significantly improve the reliability and performance of connected equipment. It helps prevent unexpected failures, reduces downtime, and contributes to the overall efficiency of industrial processes.
Limitations and Disadvantages of Using Pin Couplings
While pin couplings offer various advantages and are suitable for many applications, they also have some limitations and disadvantages to consider:
- Misalignment Restrictions: Pin couplings can accommodate a certain degree of misalignment, but excessive misalignment can lead to increased wear and stress on the coupling components. They are not as effective at handling large angular or parallel misalignments compared to other flexible couplings like gear or elastomeric couplings.
- Less Damping Capacity: Pin couplings have limited damping capacity, which means they may not effectively absorb and reduce vibrations in the system. In applications where vibration damping is critical, elastomeric or flexible couplings may be more suitable.
- Noisy Operation: The rigid nature of pin couplings can lead to increased noise during operation, especially at high speeds or in applications with significant misalignment. This noise can be a concern in environments where noise levels need to be minimized.
- Higher Maintenance: Compared to maintenance-free couplings like certain types of elastomeric couplings, pin couplings may require more frequent inspection and maintenance. The pins and other components may experience wear over time and need replacement.
- Environmental Limitations: Some pin couplings may not be suitable for use in corrosive or high-temperature environments, depending on the materials used. Stainless steel or other corrosion-resistant materials can help mitigate this limitation.
- Size and Weight: In certain applications, the size and weight of pin couplings may be larger and heavier compared to other types of couplings. This can be a consideration in applications where weight is a concern or space is limited.
Despite these limitations, pin couplings remain a popular choice for many applications where their advantages, such as simplicity, durability, and cost-effectiveness, outweigh their disadvantages. It is crucial to carefully assess the specific requirements of the application and consider factors like misalignment, vibration, maintenance needs, and environmental conditions when selecting a coupling type.
editor by CX 2023-09-28
China wholesaler Lt Type Coupling with Elastic Sleeve and Pin
Product Description
LT Type Coupling With Elastic Sleeve And Pin(GB/T4323-2002)
Application:
1.LT type shaft coupling with elastic sleeve and pin are widely used in various mechanical and hydraulic fields, can adapt positive and negative changeful start frequent occasions.
2.Printing machinery / Packing machinery / Wood-working machinery etc large-scale mechanical equipment.
Design feature:
1.Because of elastic sleeve distortion and the teeth clearance between ring holes of half-coupling,the coupling has some compensatory of relativity shir and isolation properties.
2.Working temperature is -20ºC~+70ºC.
3.The marking method of Keyway forms and shaft holes size must be in accord with GB/T3852-1997.
Basic Parameter And Main Dimension(GB/T4323-2002)
| Type | Nominal torque N·m |
Speed rpm |
Bore diameter (mm) d1,d2,dz |
Length of bore(mm) | D | A | S | Limited compensation | Mass kg |
Rotary Inertia kg·m2 |
|||||
| Y Type | J,J1,Z Type | Radial mm |
Angle | ||||||||||||
| Iron | Steel | Iron | Steel | L | L1 | L | mm | ||||||||
| LT1 | 6.3 | 6600 | 8800 | 9 | 9 | 20 | 14 | 71 | 18 | 3 | 0.2 | 1°30´ | 0.82 | 0.0005 | |
| 10,11 | 10,11 | 25 | 17 | ||||||||||||
| 12 | 12,14 | 32 | 20 | ||||||||||||
| LT2 | 16 | 5500 | 7600 | 12,14 | 12,14 | 32 | 20 | 80 | 18 | 3 | 0.2 | 1°30´ | 1.20 | 0.0008 | |
| 16 | 16,18,19 | 42 | 30 | 42 | |||||||||||
| LT3 | 31.5 | 4700 | 6300 | 16,18,19 | 16,18,19 | 42 | 30 | 42 | 95 | 35 | 4 | 0.2 | 1°30´ | 2.20 | 0.571 |
| 20 | 20,22 | 52 | 38 | 52 | |||||||||||
| LT4 | 63 | 4200 | 5700 | 20,22,24 | 20,22,24 | 52 | 38 | 52 | 106 | 35 | 4 | 0.2 | 1°30´ | 2.84 | 0.0037 |
| – | 25,28 | 62 | 44 | 62 | |||||||||||
| LT5 | 125 | 3600 | 4600 | 25,28 | 25,28 | 62 | 44 | 62 | 130 | 45 | 5 | 0.3 | 1°30´ | 6.05 | 0.012 |
| 30,32 | 30,32,35 | 82 | 60 | 82 | |||||||||||
| LT6 | 250 | 3300 | 3800 | 30,35,38 | 32,35,38 | 82 | 60 | 82 | 160 | 45 | 5 | 0.3 | 1°00´ | 9.57 | 0.571 |
| 40 | 40,42 | 112 | 84 | 112 | |||||||||||
| LT7 | 500 | 2800 | 3600 | 40,42,45 | 40,42,45,48 | 112 | 84 | 112 | 190 | 45 | 5 | 0.3 | 1°00´ | 14.01 | 0.055 |
| LT8 | 710 | 2400 | 3000 | 45,48,50,55 | 45,48,50,55,56 | 112 | 84 | 112 | 224 | 65 | 6 | 0.4 | 1°00´ | 23.12 | 0.1340 |
| – | 60,63 | 142 | 107 | 142 | |||||||||||
| LT9 | 1000 | 2100 | 2850 | 50,55,56 | 50,55,56 | 112 | 84 | 112 | 250 | 65 | 6 | 0.4 | 1°00´ | 30.69 | 0.2130 |
| 60,63 | 60,63,65,70,71 | 142 | 108 | 142 | |||||||||||
| LT10 | 2000 | 1700 | 2300 | 63,65,70,71,75 | 63,65,70,71,75 | 142 | 108 | 142 | 315 | 80 | 8 | 0.4 | 1°00´ | 61.40 | 0.660 |
| 80,85 | 80,85,90,95 | 172 | 132 | 172 | |||||||||||
| LT11 | 4000 | 1350 | 1800 | 80,85,90,95 | 80,85,90,95 | 172 | 132 | 172 | 400 | 100 | 10 | 0.5 | 0°00´ | 120.70 | 2.122 |
| 100,110 | 100,110 | 212 | 167 | 212 | |||||||||||
| LT12 | 8000 | 1100 | 1450 | 100,110,120,125 | 100,110,120,125 | 212 | 167 | 212 | 475 | 130 | 12 | 0.5 | 0°00´ 0°00´ |
210.34 | 5.39 |
| – | 13 | 252 | 202 | 252 | |||||||||||
| LT13 | 16000 | 800 | 1150 | 120,125 | 120,125 | 212 | 167 | 212 | 600 | 180 | 14 | 0.6 | 0°00´ | 419.36 | 11.58 |
| 130,140,150 | 130,140,150 | 252 | 202 | 252 | |||||||||||
| 160 | 160,170 | 302 | 242 | 302 | |||||||||||
NOTE:
1.Coupling weights in the sheet are calculated according to the minimum diameter and maximum length of the shaft hole.
2.Short overloading can not exceed 2 times rated normal torque.
3.Type of shaft holes, the lengths of L and L1 also can be produced as customer requirements.
4.Rotational inertia are similar value.
Product Show
♦Other Products List
| Transmission Machinery Parts Name |
Model |
| Universal Coupling | WS,WSD,WSP |
| Cardan Shaft | SWC,SWP,SWZ |
| Tooth Coupling | CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK |
| Disc Coupling | JMI,JMIJ,JMII,JMIIJ |
| High Flexible Coupling | LM |
| Chain Coupling | GL |
| Jaw Coupling | LT |
| Grid Coupling | JS |
♦Our Company
HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective.
♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.
2.Product Services
raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→Packing→Shipping
3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.
4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.
5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.
♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing
various series of couplings.
Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.
Q 3:How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.
Q 4: Do you provide samples ? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.
Q 5: How long is your warranty?
A: Our Warranty is 12 month under normal circumstance.
Q 6: What is the MOQ?
A:Usually our MOQ is 1pcs.
Q 7: Do you have inspection procedures for coupling ?
A:100% self-inspection before packing.
Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.
Q 9: What’s your payment?
A:1) T/T.
♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
| Standard Or Nonstandard: | Standard |
|---|---|
| Shaft Hole: | 19-32 |
| Torque: | 70-80N.M |
| Bore Diameter: | 19mm |
| Speed: | 10000r/M |
| Structure: | Flexible |
| Samples: |
US$ 500/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How Does a Pin Coupling Protect Connected Equipment from Shock Loads and Vibrations?
Pin couplings are designed to provide excellent protection to connected equipment from shock loads and vibrations, ensuring the smooth and reliable operation of the machinery. The unique features of pin couplings contribute to their ability to absorb and dampen shock loads and vibrations effectively:
- Flexibility: Pin couplings possess a certain degree of flexibility due to the presence of movable pins. When subjected to sudden shock loads or vibrations, the pins can flex and move slightly, absorbing the impact and preventing it from transmitting directly to the connected equipment. This flexibility helps in reducing stress and minimizing the risk of damage to the machinery.
- Torsional Compliance: The pin coupling’s design allows for a certain amount of torsional compliance. This means that when the connected shafts experience slight misalignments or angular displacements, the pin coupling can compensate for these variations without causing additional stress or vibration in the system. This feature ensures that the machinery remains in proper alignment even under dynamic conditions, reducing wear and tear.
- Damping Characteristics: The presence of movable pins introduces damping characteristics to the coupling. When vibrations occur in the system, the pins can dampen these oscillations, preventing resonance and the amplification of vibrations. This damping effect improves the overall stability and performance of the machinery.
- Strength and Resilience: High-quality pin couplings are constructed from durable materials with excellent fatigue resistance. This enables the coupling to withstand repeated shock loads and vibrations over an extended period without compromising its integrity. The strength and resilience of the pin coupling contribute to the protection of the connected equipment.
Overall, pin couplings are reliable and versatile components that can effectively protect connected equipment from shock loads and vibrations. Their flexibility, torsional compliance, damping characteristics, and robust construction make them suitable for various industrial applications where shock and vibration mitigation are essential for maintaining the health and longevity of machinery and equipment.
Usage of Pin Couplings in Applications with Varying Operating Temperatures
Pin couplings are versatile and can be used in a wide range of operating conditions, including applications with varying temperatures. The performance of pin couplings at different temperature levels depends on the materials used in their construction and the specific design features. Here’s how pin couplings handle varying operating temperatures:
1. Material Selection: Pin couplings can be manufactured using different materials, including steel, stainless steel, alloy steel, and various heat-treated materials. The choice of material depends on the application requirements and the temperature range the coupling will be subjected to. Some materials are suitable for high-temperature applications, while others are more suitable for low-temperature conditions.
2. Heat Dissipation: The simple and open design of pin couplings allows for efficient heat dissipation. As the coupling operates, any heat generated due to friction or other factors can easily dissipate into the surrounding environment. This helps in maintaining a stable operating temperature and prevents overheating of the coupling and connected equipment.
3. Lubrication: Proper lubrication is essential for the smooth operation of pin couplings, especially in applications with high temperatures. Lubricants help reduce friction and wear between the mating surfaces, ensuring that the coupling functions optimally even in elevated temperature conditions.
4. Thermal Expansion Considerations: Pin couplings must be designed with thermal expansion in mind. When the operating temperature increases, the materials may expand, and the coupling should have sufficient clearance or play to accommodate this expansion without causing binding or interference.
5. Temperature Limits: While pin couplings can handle a wide range of temperatures, there are limits to the extremes they can tolerate. Excessive heat can lead to degradation of the coupling material, premature wear, or reduced performance. It’s essential to choose a pin coupling that is rated for the specific temperature range of the application.
6. Insulation: In certain cases, pin couplings may need additional insulation to protect against extreme temperature variations or to prevent heat transfer to sensitive components nearby. Insulation can be achieved using materials with low thermal conductivity or by incorporating insulating coatings or barriers.
When selecting a pin coupling for an application with varying operating temperatures, it’s crucial to consider the specific temperature range, the type of materials used in the coupling’s construction, and any additional factors that may impact its performance. Following the manufacturer’s guidelines and ensuring proper maintenance will help ensure the pin coupling operates effectively and reliably across the expected temperature range.
Understanding Pin Couplings and Their Functionality
A pin coupling, also known as a shear pin coupling, is a type of mechanical coupling used to connect two rotating shafts in a mechanical system. It is designed to transmit torque while allowing for a limited amount of angular misalignment between the shafts. The primary function of a pin coupling is to protect the connected equipment from torque overload and prevent damage to the shafts and other components in case of sudden shock or overload.
How a Pin Coupling Works:
A typical pin coupling consists of two hubs, one on each shaft to be connected, and a series of pins that pass through the hubs to join them together. The pins are usually made of a softer material than the hubs, such as brass or aluminum, to act as sacrificial elements. The number and size of the pins depend on the coupling’s torque rating and the required angular misalignment capacity.
When the shafts are misaligned, the pins experience shear stress as they bend under the applied load. In normal operating conditions, the pins remain intact and allow the torque to transfer from one shaft to another. However, in the event of an overload or excessive misalignment, the pins will shear off, preventing the transmission of excessive torque and protecting the connected equipment from damage.
After shearing, the damaged pins can be easily replaced, and the coupling can be put back into service without major repairs to the equipment. This feature makes pin couplings particularly suitable for applications with varying operating conditions and environments where shock loads or sudden overloads may occur.
Advantages of Pin Couplings:
– Protection against Overload: The shear pins act as a safety feature, protecting the connected equipment from excessive torque and sudden shocks.
– Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts.
– Easy Replacement: After shearing, the damaged pins can be quickly replaced, reducing downtime and maintenance costs.
– Versatility: Suitable for a wide range of applications, including pumps, compressors, and other industrial machinery.
– Cost-Effective: The sacrificial pins are cost-effective components that can be easily replaced, avoiding costly repairs to the main equipment.
Limitations:
– Pin couplings have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings.
– The need to replace the shear pins after each failure may lead to frequent maintenance requirements in applications with frequent overloads or misalignments.
In summary, pin couplings offer a reliable and cost-effective solution for torque transmission and protection against overloads in various mechanical systems. Their ability to accommodate misalignment and absorb shock loads makes them suitable for a wide range of industrial applications.
editor by CX 2023-09-28
China Custom China Flexible Cone Ring Pin & Bush Coupling (MC070)
Product Description
Cone Ring flexible coupling,
1. The coupling consists of 2 hubs: One pin hub with the corresponding pins and a bush hub.
2. The torque is transmitted via the steel pins with their taper elastomer rings and the corresponding bores
in the bush hub.
3. The couping is maintenance-free an is used in general engineering and the pump industry.
4. Customized requirement is available.
| size | Torque/Nm | Kw/100 RPM | Max Speed RPM |
| 571 | 50 | 0.56 | 6500 |
| 030 | 110 | 1.2 | 5470 |
| 038 | 190 | 2 | 5260 |
| 042 | 290 | 3 | 4750 |
| 048 | 480 | 5 | 4050 |
| 058 | 760 | 8 | 3600 |
| 070 | 1000 | 11 | 3220 |
| 075 | 2600 | 27 | 2730 |
| 085 | 3500 | 37 | 2480 |
| 105 | 5300 | 56 | 2100 |
| 120 | 9000 | 94 | 1880 |
| 135 | 12223 | 128 | 1660 |
| 150 | 16000 | 167 | 1520 |
ZheJiang Shine Transmission Machinery Co., Ltd is specialized in manufacturing and selling transmission products.
Our products are exported to the world famous machinery company in Europe, America, South Africa, Australia, Southeast Asia etc.
Our main products include: European pulley, American pulley, Couplings, taper bushing, QD bush, lock element, adjustable motor base, motor rail, sprockets, chain, bolt on hubs, weld on hubs, jaw crusher equipment & spare parts and all kinds of non-standardcasting products etc.
| Standard Or Nonstandard: | Standard |
|---|---|
| Shaft Hole: | 75/70mm |
| Torque: | 2600nm |
| Bore Diameter: | 75/70mm |
| Speed: | 2730rpm |
| Structure: | Flexible |
| Samples: |
US$ 0.00/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How Does a Pin Coupling Protect Connected Equipment from Shock Loads and Vibrations?
Pin couplings are designed to provide excellent protection to connected equipment from shock loads and vibrations, ensuring the smooth and reliable operation of the machinery. The unique features of pin couplings contribute to their ability to absorb and dampen shock loads and vibrations effectively:
- Flexibility: Pin couplings possess a certain degree of flexibility due to the presence of movable pins. When subjected to sudden shock loads or vibrations, the pins can flex and move slightly, absorbing the impact and preventing it from transmitting directly to the connected equipment. This flexibility helps in reducing stress and minimizing the risk of damage to the machinery.
- Torsional Compliance: The pin coupling’s design allows for a certain amount of torsional compliance. This means that when the connected shafts experience slight misalignments or angular displacements, the pin coupling can compensate for these variations without causing additional stress or vibration in the system. This feature ensures that the machinery remains in proper alignment even under dynamic conditions, reducing wear and tear.
- Damping Characteristics: The presence of movable pins introduces damping characteristics to the coupling. When vibrations occur in the system, the pins can dampen these oscillations, preventing resonance and the amplification of vibrations. This damping effect improves the overall stability and performance of the machinery.
- Strength and Resilience: High-quality pin couplings are constructed from durable materials with excellent fatigue resistance. This enables the coupling to withstand repeated shock loads and vibrations over an extended period without compromising its integrity. The strength and resilience of the pin coupling contribute to the protection of the connected equipment.
Overall, pin couplings are reliable and versatile components that can effectively protect connected equipment from shock loads and vibrations. Their flexibility, torsional compliance, damping characteristics, and robust construction make them suitable for various industrial applications where shock and vibration mitigation are essential for maintaining the health and longevity of machinery and equipment.
Can Pin Couplings Be Used for Both Motor-to-Shaft and Shaft-to-Shaft Connections?
Yes, pin couplings can be used for both motor-to-shaft and shaft-to-shaft connections in various mechanical systems. The versatile design of pin couplings allows them to connect two shafts with aligned or misaligned centers, making them suitable for a wide range of applications.
Motor-to-Shaft Connections: In motor-driven systems, pin couplings are commonly used to connect the motor shaft to the driven shaft of the equipment. The motor can be an electric motor, combustion engine, or any other type of power source. The pin coupling efficiently transfers torque from the motor shaft to the equipment’s driven shaft, enabling power transmission and mechanical motion.
Shaft-to-Shaft Connections: Pin couplings are also well-suited for shaft-to-shaft connections, where two separate shafts need to be joined together. This could be the case when extending the length of a shaft or connecting two separate pieces of rotating equipment. The pin coupling provides a secure and flexible connection between the two shafts, allowing torque to be transmitted between them while accommodating misalignment.
It is essential to consider the specific requirements of the application when selecting a pin coupling. Factors such as the amount of misalignment, torque capacity, operating conditions, and space constraints should be taken into account to ensure the coupling can effectively and reliably connect the motor and shafts.
Overall, the versatility and performance of pin couplings make them a popular choice for both motor-to-shaft and shaft-to-shaft connections in various industrial and mechanical systems.
Can Pin Couplings Handle Misalignment Between Shafts?
Yes, pin couplings are designed to accommodate a certain degree of misalignment between shafts in rotating machinery. They are considered flexible couplings, which means they can provide some degree of angular, parallel, and axial misalignment capability.
Pin couplings typically consist of two hubs, each connected to a shaft, and a central sleeve with pins that transmit torque between the hubs. The pins allow for a limited range of movement, which helps to compensate for slight misalignments between the shafts.
The angular misalignment capacity of a pin coupling is achieved through the bending of the pins. When the shafts are misaligned at an angle, the pins on one side of the coupling experience bending while those on the opposite side are in tension. The pins are designed to withstand these bending and tension forces within their elastic limits, ensuring proper functioning and longevity of the coupling.
Similarly, the pins can accommodate parallel misalignment by sliding within the pin holes of the coupling’s central sleeve. This sliding action allows the hubs to move slightly relative to each other, compensating for any offset between the shafts.
However, it is essential to note that pin couplings have limitations in terms of the amount of misalignment they can handle. Excessive misalignment beyond their specified limits can lead to increased wear on the pins and other coupling components, reducing the coupling’s effectiveness and potentially causing premature failure.
While pin couplings are suitable for applications with moderate misalignment requirements, they may not be the best choice for applications with significant misalignment or where precise alignment is critical. In such cases, more flexible couplings like gear or elastomeric couplings may be more appropriate.
Overall, when considering the use of pin couplings, it is essential to carefully evaluate the specific misalignment requirements of the application and select a coupling that can adequately accommodate those misalignments while ensuring reliable and efficient power transmission.
editor by CX 2023-09-27
China Standard Flexible Flex Fluid Chain Jaw Flange Gear Rigid Spacer Pin HRC Mh Nm Universal Fenaflex Oldham Spline Clamp Tyre Grid Hydraulic Servo Motor Shaft Coupling
Product Description
Flexible Flex Fluid Chain Jaw Flange Gear Rigid Spacer Pin HRC Mh Nm Universal Fenaflex Oldham Spline Clamp Tyre Grid Hydraulic Servo Motor Shaft Coupling
Features
Material: cast iron GG25, GG20 steel: C45
Parts: 2 couplings and 1 tire body.
Size from F40-F250. and Type: “B”, “F”, “H”.
Working temp: -20~80ºC
Transmission torque:10-20000N.M
Axial misalignment: D*2%
Radial deviation: D*1%
Angular misalignment:3°-6°
Application: tire couplings are usually used in wet, dusty, under attract, vibration, rotating, and complex working conditions. like: diesel pump
Installation: easy on, easy off.
Maintenance: no need for lubricating and durability.
Product Description
| Size | Type | Bush No. | MaxBore | Type F&H | Type H | Serve over Key |
A | C | D | F | M | |||
| mm | Inch | L | E | L | E | |||||||||
| F40 | B | – | 32 | – | – | – | 33 | 22 | M5 | 104 | 82 | – | – | 11 |
| F40 | F | 1008 | 25 | 1″ | 33 | 22 | – | – | – | 104 | 82 | – | – | 11 |
| F40 | H | 1008 | 25 | 1″ | 33 | 22 | – | – | – | 104 | 82 | – | – | 11 |
| F50 | B | – | 38 | – | – | – | 43 | 32 | M5 | 133 | 100 | 79 | – | 12.5 |
| F50 | F | 1210 | 32 | 1 1/4″ | 38 | 25 | – | – | – | 133 | 100 | 79 | – | 12.5 |
| F50 | H | 1210 | 32 | 1 1/4″ | 38 | 25 | – | – | – | 133 | 100 | 79 | – | 12.5 |
| F80 | B | – | 45 | – | – | – | 55 | 33 | M6 | 165 | 125 | 70 | – | 16.5 |
| F80 | F | 1610 | 42 | 1 5/8″ | 42 | 25 | – | – | – | 165 | 125 | 103 | – | 16.5 |
| F60 | H | 1610 | 42 | 1 5/8″ | 42 | 25 | – | – | – | 165 | 125 | 103 | – | 16.6 |
| F70 | B | – | 50 | – | – | – | 47 | 35 | M8 | 187 | 142 | 80 | 60 | 11.5 |
| F70 | F | 2012 | 50 | 2″ | 44 | 32 | – | – | – | 187 | 142 | 80 | 50 | 11.5 |
| F70 | H | 1810 | 42 | 1 5/8″ | 42 | 25 | – | – | – | 187 | 142 | 80 | 50 | 11.5 |
| F80 | B | – | 60 | – | – | – | 55 | 42 | M8 | 211 | 165 | 98 | 54 | 12.5 |
| F80 | F | 2517 | 80 | 2 1/2″ | 58 | 45 | – | – | – | 211 | 165 | 98 | 54 | 12.5 |
| F80 | H | 2012 | 50 | 2″ | 45 | 32 | – | – | – | 211 | 165 | 98 | 54 | 12.5 |
| F90 | H | – | 70 | – | – | – | 63.5 | 49 | M10 | 235 | 188 | 108 | 62 | 13.5 |
| F90 | F | 2517 | 60 | 2 1/2″ | 58.5 | 45 | – | – | – | 235 | 188 | 108 | 62 | 13.5 |
| F90 | H | 2517 | 60 | 2 1/2″ | 58.5 | 45 | – | – | – | 235 | 188 | 108 | 62 | 13.5 |
| F100 | H | – | 80 | – | – | – | 63.5 | 49 | M10 | 235 | 188 | 120 | 62 | 13.5 |
| F100 | F | 3571 | 75 | 3″ | 64.5 | 51 | – | – | – | 235 | 188 | 125 | 62 | 13.5 |
| F100 | H | 2517 | 60 | 2 1/2″ | 58.5 | 45 | – | – | – | 235 | 188 | 113 | 62 | 13.5 |
| F110 | B | – | 90 | – | – | – | 75.5 | 63 | M12 | 279 | 233 | 128 | 62 | 12.5 |
| F110 | F | 3571 | 75 | 3″ | 63.5 | 51 | – | – | – | 279 | 233 | 134 | 62 | 12.5 |
| F110 | H | 3571 | 75 | 3″ | 63.5 | 51 | – | – | – | 279 | 233 | 134 | 62 | 12.5 |
| F120 | B | – | 100 | – | – | – | 84.5 | 70 | M12 | 314 | 264 | 140 | 67 | 14.5 |
| F120 | F | 3525 | 100 | 4″ | 79.5 | 65 | – | – | – | 314 | 264 | 144 | 67 | 14.5 |
| F120 | H | 3571 | 75 | 4″ | 85.5 | 51 | – | – | – | 314 | 264 | 144 | 67 | 14.5 |
| F140 | B | – | 130 | – | – | – | 110.5 | 4 | M16 | 359 | 311 | 178 | 73 | 16 |
| F140 | F | 3525 | 100 | 4″ | 81.5 | 65 | – | – | – | 359 | 311 | 178 | 73 | 16 |
| F140 | H | 3525 | 100 | 4″ | 81.5 | 65 | – | – | – | 359 | 311 | 178 | 73 | 18 |
| F160 | B | – | 140 | – | – | – | 117 | 102 | M20 | 402 | 345 | 187 | 78 | 16 |
| F160 | F | 4030 | 115 | 4 1/2″ | 92 | 77 | – | – | – | 402 | 345 | 197 | 78 | 16 |
| F160 | H | 4030 | 115 | 4 1/2″ | 92 | 77 | – | – | – | 402 | 345 | 197 | 78 | 16 |
| F180 | B | – | 150 | – | – | – | 137 | 114 | M16 | 470 | 394 | 205 | 94 | 23 |
| F180 | F | 4536 | 125 | 5″ | 112 | 89 | – | – | – | 470 | 394 | 205 | 94 | 23 |
| F180 | H | 4535 | 125 | 5″ | 112 | 89 | – | – | – | 470 | 394 | 205 | 94 | 23 |
| F200 | B | – | 150 | – | – | – | 138 | 114 | M20 | 508 | 429 | 205 | 103 | 24 |
| F200 | F | 4535 | 125 | 5″ | 113 | 89 | – | – | – | 508 | 429 | 205 | 103 | 24 |
| F200 | H | 4535 | 125 | 5″ | 113 | 89 | – | – | 508 | 429 | 205 | 103 | 24 | |
| F220 | B | – | 160 | – | – | – | 154.5 | 127 | M20 | 562 | 474 | 223 | 118 | 27.5 |
| F220 | F | 5571 | 125 | 5″ | 129.5 | 102 | – | – | – | 562 | 474 | 223 | 118 | 27.5 |
| F220 | H | 5571 | 125 | 5″ | 129.5 | 102 | – | – | – | 562 | 474 | 223 | 118 | 27.5 |
| F250 | H | – | 190 | – | – | 161.5 | 132 | M20 | 628 | 522 | 254 | 125 | 29.5 | |
Related Products
Company Profile
FAQ
Q: How to ship to us?
A: It is available by air, sea, or train.
Q: How to pay the money?
A: T/T and L/C are preferred, with different currencies, including USD, EUR, RMB, etc.
Q: How can I know if the product is suitable for me?
A: >1ST confirm drawing and specification >2nd test sample >3rd start mass production.
Q: Can I come to your company to visit?
A: Yes, you are welcome to visit us at any time.
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| Standard Or Nonstandard: | Standard |
|---|---|
| Shaft Hole: | 25-190 |
| Torque: | 10-30N.M |
| Samples: |
US$ 5/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
Can Pin Couplings Accommodate High Torque and High-Speed Applications?
Pin couplings are versatile and robust, making them suitable for a wide range of applications, including those involving high torque and high-speed requirements. However, the specific design and construction of the pin coupling will determine its capacity to handle such demanding conditions.
The ability of a pin coupling to accommodate high torque depends on factors such as the material used, the size and number of pins, and the overall design. High-quality pin couplings are often made from strong and durable materials like alloy steel, which allows them to withstand significant torque loads without failure or deformation.
Similarly, the capability of a pin coupling to handle high speeds depends on factors such as the balance of the coupling and the precise manufacturing of the pins and hubs. Properly balanced pin couplings can operate at higher speeds without generating excessive vibration or causing premature wear.
When selecting a pin coupling for high torque and high-speed applications, it is essential to consider the following:
- Design and Construction: Opt for pin couplings with a robust and well-engineered design to handle the expected torque and speed requirements.
- Material: Choose pin couplings made from high-quality materials known for their strength and fatigue resistance.
- Size: Select an appropriate size of pin coupling that can accommodate the torque and speed expected in the application.
- Manufacturer’s Ratings: Refer to the manufacturer’s specifications and torque-speed curves to ensure the coupling meets the desired performance criteria.
By carefully considering these factors and choosing a pin coupling designed for high torque and high-speed applications, you can ensure reliable and efficient power transmission in demanding industrial settings.
Usage of Pin Couplings in Applications with Varying Operating Temperatures
Pin couplings are versatile and can be used in a wide range of operating conditions, including applications with varying temperatures. The performance of pin couplings at different temperature levels depends on the materials used in their construction and the specific design features. Here’s how pin couplings handle varying operating temperatures:
1. Material Selection: Pin couplings can be manufactured using different materials, including steel, stainless steel, alloy steel, and various heat-treated materials. The choice of material depends on the application requirements and the temperature range the coupling will be subjected to. Some materials are suitable for high-temperature applications, while others are more suitable for low-temperature conditions.
2. Heat Dissipation: The simple and open design of pin couplings allows for efficient heat dissipation. As the coupling operates, any heat generated due to friction or other factors can easily dissipate into the surrounding environment. This helps in maintaining a stable operating temperature and prevents overheating of the coupling and connected equipment.
3. Lubrication: Proper lubrication is essential for the smooth operation of pin couplings, especially in applications with high temperatures. Lubricants help reduce friction and wear between the mating surfaces, ensuring that the coupling functions optimally even in elevated temperature conditions.
4. Thermal Expansion Considerations: Pin couplings must be designed with thermal expansion in mind. When the operating temperature increases, the materials may expand, and the coupling should have sufficient clearance or play to accommodate this expansion without causing binding or interference.
5. Temperature Limits: While pin couplings can handle a wide range of temperatures, there are limits to the extremes they can tolerate. Excessive heat can lead to degradation of the coupling material, premature wear, or reduced performance. It’s essential to choose a pin coupling that is rated for the specific temperature range of the application.
6. Insulation: In certain cases, pin couplings may need additional insulation to protect against extreme temperature variations or to prevent heat transfer to sensitive components nearby. Insulation can be achieved using materials with low thermal conductivity or by incorporating insulating coatings or barriers.
When selecting a pin coupling for an application with varying operating temperatures, it’s crucial to consider the specific temperature range, the type of materials used in the coupling’s construction, and any additional factors that may impact its performance. Following the manufacturer’s guidelines and ensuring proper maintenance will help ensure the pin coupling operates effectively and reliably across the expected temperature range.
Types of Pin Coupling Designs
Pin couplings, also known as shear pin couplings, come in various designs to suit different application requirements. The main types of pin coupling designs are as follows:
- 1. Single Pin Coupling: In this design, a single shear pin is used to connect the two shafts. The pin is placed in a hole that runs through both coupling halves. Under excessive torque or shock loads, the pin shears off, disconnecting the shafts and protecting the equipment from damage. Single pin couplings are commonly used in light to moderate-duty applications.
- 2. Double Pin Coupling: Double pin couplings use two shear pins that are positioned 180 degrees apart. This design provides increased torque capacity and improved balance compared to the single pin design. Double pin couplings are suitable for applications with higher torque requirements.
- 3. Triangular Pin Coupling: Triangular pin couplings use three pins arranged in a triangular pattern around the circumference of the coupling. This design offers even higher torque capacity and improved torsional stiffness. Triangular pin couplings are ideal for heavy-duty applications where higher torque and misalignment tolerance are essential.
- 4. Splined Pin Coupling: Splined pin couplings use splines instead of solid pins to transmit torque between the shafts. The splines provide a more secure connection and better torque transmission compared to solid pins. Splined pin couplings are commonly used in precision motion control applications.
- 5. Taper Pin Coupling: Taper pin couplings use tapered pins that wedge tightly into matching tapered holes in the coupling halves. This design offers excellent torque transmission and alignment capabilities. Taper pin couplings are often used in heavy machinery and power transmission systems.
Each type of pin coupling design has its advantages and limitations, and the selection depends on factors such as the application’s torque requirements, misalignment tolerance, and environmental conditions. It is essential to choose the right type of pin coupling to ensure optimal performance, reliability, and safety in the mechanical system.
editor by CX 2023-09-27
China high quality Made in China Epoxy Painted Pin Lug Fire Hose Camlock Coupling Ldhc Couplings
Product Description
Product Description
ZYfire Hose Corporation, founded in 2000, we research and produce Lay flat frac hose, fire hose, rack hose, industrial hose, forestry hose, snow-making hose, irrigation hose, drag hose, potable water hose, No-dig pipe rehabilitation liner, TPR layflat hose, hose couplings, landing valves and other fire fighting equipments.
Material: Light alloy
Also available in anodized or hard coated edition and with additional locking device
These hose couplings are suitable for hoses with wall thickness of 2, 8 – 3, 2 mm. The binding consists of 3 segments with screws and nuts.
Advantages:
1. Assembly with simple tools (hexagon key)
2. Coupling and binding re-usable
3. Binding protects the endangered range between tail end and hose
4. Short length supports problem-free rolling up
5. High pressures are possible because of enormous firmness of the binding
6. No fixed hook when pulling the hose because of the bevel at the binding
Main Products
Company Profile
FAQ
| Certification: | CE |
|---|---|
| Surface Treatment: | Epoxy Painting |
| Material: | Carbon Steel |
| Application: | Hose |
| Transport Package: | Cartons |
| Specification: | Coupling |
| Samples: |
US$ 5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How Does a Pin Coupling Protect Connected Equipment from Shock Loads and Vibrations?
Pin couplings are designed to provide excellent protection to connected equipment from shock loads and vibrations, ensuring the smooth and reliable operation of the machinery. The unique features of pin couplings contribute to their ability to absorb and dampen shock loads and vibrations effectively:
- Flexibility: Pin couplings possess a certain degree of flexibility due to the presence of movable pins. When subjected to sudden shock loads or vibrations, the pins can flex and move slightly, absorbing the impact and preventing it from transmitting directly to the connected equipment. This flexibility helps in reducing stress and minimizing the risk of damage to the machinery.
- Torsional Compliance: The pin coupling’s design allows for a certain amount of torsional compliance. This means that when the connected shafts experience slight misalignments or angular displacements, the pin coupling can compensate for these variations without causing additional stress or vibration in the system. This feature ensures that the machinery remains in proper alignment even under dynamic conditions, reducing wear and tear.
- Damping Characteristics: The presence of movable pins introduces damping characteristics to the coupling. When vibrations occur in the system, the pins can dampen these oscillations, preventing resonance and the amplification of vibrations. This damping effect improves the overall stability and performance of the machinery.
- Strength and Resilience: High-quality pin couplings are constructed from durable materials with excellent fatigue resistance. This enables the coupling to withstand repeated shock loads and vibrations over an extended period without compromising its integrity. The strength and resilience of the pin coupling contribute to the protection of the connected equipment.
Overall, pin couplings are reliable and versatile components that can effectively protect connected equipment from shock loads and vibrations. Their flexibility, torsional compliance, damping characteristics, and robust construction make them suitable for various industrial applications where shock and vibration mitigation are essential for maintaining the health and longevity of machinery and equipment.
What Industries Commonly Use Pin Couplings for Power Transmission?
Pin couplings are widely used in various industries for power transmission due to their ability to accommodate misalignment and provide reliable torque transmission. Some of the industries where pin couplings are commonly employed include:
- 1. Manufacturing: In manufacturing processes, pin couplings are used in conveyor systems, mixers, agitators, and other machinery to transfer power between motors and driven equipment.
- 2. Pulp and Paper: The pulp and paper industry uses pin couplings in machinery such as pumps, fans, and rotary kilns for continuous power transmission.
- 3. Chemical and Petrochemical: Pin couplings find applications in chemical processing plants, refineries, and petrochemical facilities for various rotating equipment.
- 4. Water and Wastewater: Pin couplings are used in water treatment facilities, pumps, and blowers to transfer power efficiently.
- 5. Steel and Metal Processing: Steel mills and metal processing plants utilize pin couplings in rolling mills, extruders, and other equipment.
- 6. Food and Beverage: Pin couplings are employed in food processing machinery, packaging equipment, and conveyor systems.
- 7. Mining and Quarrying: The mining industry uses pin couplings in crushers, conveyor belts, and various mineral processing equipment.
- 8. Oil and Gas: Pin couplings are used in the oil and gas sector for pumps, compressors, and drilling equipment.
- 9. Power Generation: In power plants, pin couplings are used in turbines, generators, and other power transmission systems.
- 10. Construction and Heavy Equipment: Pin couplings find applications in construction machinery, earthmoving equipment, and other heavy-duty machinery.
- 11. Agriculture: In agricultural machinery, pin couplings are used in tractors, irrigation systems, and grain processing equipment.
These are just some examples of the industries where pin couplings are commonly used. Pin couplings offer versatility, ease of installation, and reliability, making them suitable for a wide range of applications in different sectors where power transmission is essential.
Limitations and Disadvantages of Using Pin Couplings
While pin couplings offer various advantages and are suitable for many applications, they also have some limitations and disadvantages to consider:
- Misalignment Restrictions: Pin couplings can accommodate a certain degree of misalignment, but excessive misalignment can lead to increased wear and stress on the coupling components. They are not as effective at handling large angular or parallel misalignments compared to other flexible couplings like gear or elastomeric couplings.
- Less Damping Capacity: Pin couplings have limited damping capacity, which means they may not effectively absorb and reduce vibrations in the system. In applications where vibration damping is critical, elastomeric or flexible couplings may be more suitable.
- Noisy Operation: The rigid nature of pin couplings can lead to increased noise during operation, especially at high speeds or in applications with significant misalignment. This noise can be a concern in environments where noise levels need to be minimized.
- Higher Maintenance: Compared to maintenance-free couplings like certain types of elastomeric couplings, pin couplings may require more frequent inspection and maintenance. The pins and other components may experience wear over time and need replacement.
- Environmental Limitations: Some pin couplings may not be suitable for use in corrosive or high-temperature environments, depending on the materials used. Stainless steel or other corrosion-resistant materials can help mitigate this limitation.
- Size and Weight: In certain applications, the size and weight of pin couplings may be larger and heavier compared to other types of couplings. This can be a consideration in applications where weight is a concern or space is limited.
Despite these limitations, pin couplings remain a popular choice for many applications where their advantages, such as simplicity, durability, and cost-effectiveness, outweigh their disadvantages. It is crucial to carefully assess the specific requirements of the application and consider factors like misalignment, vibration, maintenance needs, and environmental conditions when selecting a coupling type.
editor by CX 2023-09-21
China Good quality Galvanized Frame Scaffolding Joint Pin Coupling Pin for Walk Through Frames
Product Description
Product Description
Frame scaffolding is also called tubular steel frame scaffolding, door style frame scaffolding, is a long established modular frame scaffolding system serving as working platform for construction and decoration purposes, which is composed of main frames, catwalk or walk board, braces or cross braces, brackets, coupling pins of spigot, guardrails and sometimes casters, etc.
| Pic. | Item | A (Width) | B (Height) | |
| Main Frame
Outer tube: 42*2.2mm/2.0mm/1.8mm Inner tube: 25*1.5mm/1.8mm/2.0mm |
1219mm | 914mm | ||
| 1219mm | 1219mm | |||
| 1219mm | 1524mm | |||
| 1219mm | 1700mm | |||
| 1219mm | 1930mm | |||
| 914mm | 1219mm | |||
| 914mm | 1524mm | |||
| 914mm | 1700mm | |||
| 914mm | 1930mm | |||
| H Frame
Outer tube: 42*2.2mm/2.0mm/1.8mm Inner tube: 25*1.5mm/1.8mm/2.0mm |
1219mm | 914mm | ||
| 1219mm | 1219mm | |||
| 1219mm | 1524mm | |||
| 1219mm | 1700mm | |||
| 1219mm | 1930mm | |||
| 914mm | 914mm | |||
| 914mm | 1219mm | |||
| 914mm | 1524mm | |||
| 914mm | 1700mm | |||
| 914mm | 1930mm | |||
| Item | A (width) | B (height) | C (length) | |
| 1829mm | 1219mm | 2198mm | ||
| 1219mm | 1219mm | 1724mm | ||
| 1829mm | 914mm | 2045mm | ||
| 1829mm | 610mm | 1928mm | ||
| 1219mm | 610mm | 1363mm | ||
| Item | Size | |||
| Joint Pin | 36*1.5*225mm | |||
| 36*1.2*225mm | ||||
| 36*1.0*225mm | ||||
Packaging & Shipping
Application
Company Profile
HangZhou CHINAMFG Industry Co., Ltd, with an investment of U.S. Dollars of 8 million, is a professional manufacturer engaged in the design, production & sale of scaffolding systems.
1. Location: HangZhou CHINAMFG is leading scaffolding manufacturer, located in HangZhou, ZheJiang Province, the raw material basement.
2. Team: We have professional team for sale, project design and construction.
3. Main products: Ringlock Scaffolding, Frame Scaffolding, Steel Plank, Catwalk, Ladders, Pipe & Clamp, Steel Prop, etc.
4. Production capacity: 7000-10000 Tons/month.
5. Loading capacity: 8-12 containers/day.
6. Delivery time: 10-15 days for 3-5 containers.
Fast delivery to satisfy your urgent project demand.
FAQ
Q1: Are you a factory or trading company?
A: We are a factory specializing in manufacturing scaffolding material.
Q2: Where is the loading port?
A: ZheJiang (Xihu (West Lake) Dis.g) Port.
Q3: What’s the MOQ of the product?
A: Different item has different MOQ. Normally one Container is preferred.
Q4: What certificates do you have?
A: We have ISO 9001, SGS certification.
Q5: Can I get some samples?
A: Yes, but usually the customer will pay for the cost and freight charges.
Q6: Do you have an OEM service?
A: Yes. We can provide OEM and ODM services as your requirements.
Q7: How long is the production cycle after ordering?
A: General it is about 15-30 days, according to different quantity requirement.
| Material: | Steel |
|---|---|
| Structural Style: | Multi-Pole Scaffolding |
| Framework: | Combined Scaffolding |
| Supporting Mode: | Projecting Scaffolding |
| Lapping Form: | Full Scaffolding |
| Scaffolding Part Type: | Scaffolding Frames |
| Customization: |
Available
| Customized Request |
|---|
How Do Pin Couplings Compare to Other Types of Couplings in Terms of Performance?
Pin couplings offer certain advantages and disadvantages compared to other types of couplings, and their performance characteristics can vary depending on the specific application requirements. Below is a comparison of pin couplings with some commonly used couplings:
1. Gear Couplings:
- Flexibility: Gear couplings are more rigid than pin couplings and may not offer the same level of misalignment capacity.
- Torsional Stiffness: Gear couplings provide higher torsional stiffness, making them suitable for applications requiring precise torque transmission.
- Shock Absorption: Gear couplings can handle higher shock loads due to their robust design and greater stiffness.
- Maintenance: Gear couplings may require periodic lubrication and maintenance compared to maintenance-free pin couplings.
- Applications: Gear couplings are commonly used in heavy-duty and high-torque applications where precise torque transmission is essential.
2. Flexible (Elastomeric) Couplings:
- Flexibility: Elastomeric couplings offer higher misalignment capacity than pin couplings and can handle angular, parallel, and axial misalignment.
- Shock Absorption: Elastomeric couplings provide excellent shock absorption, damping vibrations, and protecting connected equipment.
- Torsional Stiffness: Elastomeric couplings have lower torsional stiffness compared to pin couplings, making them more forgiving in high shock load applications.
- Installation: Elastomeric couplings are easy to install and require no lubrication, making them maintenance-free.
- Applications: Elastomeric couplings are commonly used in pumps, compressors, and other machinery where vibration isolation is crucial.
3. Rigid Couplings:
- Torsional Stiffness: Rigid couplings provide high torsional stiffness, ensuring accurate torque transmission.
- Misalignment Capacity: Rigid couplings have little to no misalignment capacity and require precise shaft alignment.
- Applications: Rigid couplings are used in applications where precise alignment is essential, such as shaft-to-shaft connections in high-precision systems.
Conclusion:
Pin couplings strike a balance between flexibility and torsional stiffness, making them suitable for applications with moderate misalignment and shock loads. They are often used in general industrial applications, conveyors, and light to medium-duty machinery.
When selecting a coupling for a specific application, it is crucial to consider factors such as misalignment requirements, shock and vibration loads, torsional stiffness, maintenance needs, and the level of precision required. Each coupling type has its strengths and weaknesses, and the appropriate choice will depend on the specific demands of the application.
Role of Pin Coupling in Reducing Downtime and Maintenance Costs
A pin coupling plays a crucial role in reducing downtime and maintenance costs in various mechanical systems and power transmission applications. Its design and features contribute to improved reliability and ease of maintenance, resulting in enhanced operational efficiency and cost savings. Here’s how pin couplings achieve these benefits:
1. Shock Absorption: Pin couplings are known for their ability to absorb and dampen shocks and vibrations generated during operation. By cushioning the impact of sudden loads or torque spikes, they protect the connected equipment from potential damage, reducing the frequency of unexpected breakdowns and downtime.
2. Misalignment Tolerance: Pin couplings can tolerate a certain degree of misalignment between shafts, such as angular and parallel misalignment. This flexibility allows for easier installation and alignment of equipment, saving time and effort during setup and reducing the need for precise alignment procedures.
3. Low Maintenance: Pin couplings are designed with simplicity in mind, often consisting of only two coupling halves connected by pins. This straightforward construction means fewer components that can wear out or require regular maintenance. Additionally, the flexibility of the pins helps reduce wear on the coupling and connected equipment, leading to longer maintenance intervals.
4. Easy Replacement: In the event of a failure or wear, pin couplings are relatively easy to replace compared to some other coupling types. The simplicity of their design allows for quick disassembly and reassembly, minimizing downtime during maintenance or replacement procedures.
5. Cost-Effective: The combination of low maintenance requirements and reduced downtime translates into cost savings for businesses. With fewer unexpected breakdowns and lower maintenance expenses, the overall cost of ownership for systems employing pin couplings can be more economical.
6. Reliability: Pin couplings are known for their reliability and durability. When properly selected and installed, they can provide long service life without frequent replacements, contributing to stable and consistent system performance.
By minimizing downtime, maintenance efforts, and associated costs, pin couplings are a preferred choice in various industrial applications. However, it is crucial to ensure that the pin coupling is correctly sized and installed, and regular inspections and maintenance are conducted to maximize its benefits and prevent premature failure.
Selecting the Appropriate Pin Coupling for a Specific Application
Choosing the right pin coupling for a specific application involves considering several factors to ensure optimal performance, reliability, and safety. Here are the key steps to select the appropriate pin coupling:
- 1. Determine the Application Requirements: Understand the specific requirements of the application, including torque and speed specifications, shaft sizes, and misalignment tolerances. Consider the operating conditions, such as temperature, humidity, and exposure to corrosive substances.
- 2. Calculate Torque and Power: Calculate the torque and power requirements of the application to determine the appropriate pin coupling’s torque capacity. Make sure to consider both steady-state and peak torque loads.
- 3. Consider Misalignment Tolerance: Evaluate the degree of misalignment expected in the system. Different pin coupling designs offer varying levels of misalignment tolerance. Choose a coupling that can accommodate the expected misalignment without compromising performance.
- 4. Select the Pin Coupling Type: Based on the application requirements, choose the appropriate pin coupling type – single pin, double pin, triangular pin, splined pin, or taper pin coupling. Each type offers different torque capacities and misalignment capabilities.
- 5. Check Material and Construction: Consider the materials used in the pin coupling’s construction. Common materials include steel, stainless steel, and alloy materials. The material should be suitable for the application’s environmental conditions and corrosion resistance.
- 6. Verify Safety Features: Ensure the selected pin coupling has safety features, such as a fail-safe mechanism to protect equipment from overload or shock loads. Safety is crucial to prevent damage to machinery and ensure operator protection.
- 7. Consult with Manufacturers or Engineers: If unsure about the best pin coupling for the application, consult with coupling manufacturers or mechanical engineers. They can provide valuable insights and recommendations based on their expertise.
By following these steps, you can select the appropriate pin coupling that matches the specific needs of the application, providing reliable and efficient power transmission while minimizing the risk of downtime and equipment failure.
editor by CX 2023-09-21
China best FCL140 Cast Iron Flexible Rubber Couplings Rubber Screw Pin Coupling for Pump
Product Description
Product Description
Company profile
HangZhou Terry Machinery Co.Ltd is a leading supplier of bearings, Linear motion system for CNC , Ball transfer Unit
and transmission component .the growing industrial and Favorable policy of HangZhou benefit the development of Terry
Machinery .Our products are utilized in industrial, motorcycle, vehicle and Automation applications. Now we are exporting
to 46 countries.including USA, GBR , Germany , Spain, Poland ,Turkey ect .The Goal of Terry Machinery to provide out
customers with widest range of products at competitive prices, backed with the best Service.OUR ADVANTAGE Products
Our major products & Supplied:Meet all the international standards and ISO9001 -TS1694 Certificate Big volume in Stock,
No MOQ required Personnel Our salespersons are well trained to accommodate your requests and speak English for your
conveniences.Our technicians and engineers Experience in the Industry area exceeds 23 years Service &Quality control ,
We supply detailed drawings and offer when ever necessary,We help all customers promote and improve their sales.We
inspect every piece of products by ourselves before delivery.
Customer Praise
FAQ
| Material: | Cast Iron |
|---|---|
| Flexible or Rigid: | Flexible |
| Weight: | 5.81kg |
| Length: | 100mm |
| Outer Diameter: | 140mm |
| Certification: | So9001/ISO9000 |
| Samples: |
US$ 55/Piece
1 Piece(Min.Order) | |
|---|
What Are the Maintenance Requirements for Pin Couplings?
Pin couplings are known for their simplicity and ease of maintenance. Regular maintenance helps ensure the longevity and optimal performance of pin couplings in various mechanical systems. Here are the key maintenance requirements for pin couplings:
- Lubrication: Most pin couplings require periodic lubrication to reduce friction between the pins and the coupling hubs. Lubrication helps prevent wear and corrosion, ensuring smooth operation.
- Inspection: Regular visual inspections are essential to identify any signs of wear, misalignment, or damage. Inspecting the pins, coupling hubs, and surrounding components can help detect potential issues early on.
- Torque Check: It is crucial to periodically check and retighten the bolts or screws that secure the coupling to the shafts. Loose fasteners can lead to misalignment and coupling failure.
- Alignment: Proper shaft alignment is critical for the effective functioning of pin couplings. Regularly check and adjust the alignment if necessary to minimize wear and vibrations.
- Environmental Protection: In harsh environments or corrosive conditions, take measures to protect the pin coupling from contaminants or chemicals that could cause damage.
- Replacement of Worn Components: When any of the coupling components, such as pins or hubs, show signs of significant wear, they should be replaced promptly to prevent further damage.
It is important to follow the manufacturer’s maintenance guidelines and recommendations for the specific type of pin coupling used in the application. Regular maintenance not only ensures the smooth operation of the coupling but also helps prevent unexpected breakdowns and reduces the risk of costly downtime. Proper maintenance can extend the service life of pin couplings and contribute to the overall reliability of the connected equipment.
How Does a Pin Coupling Handle Angular, Parallel, and Axial Misalignment?
A pin coupling is designed to handle different types of misalignment, including angular, parallel, and axial misalignment. The unique construction of pin couplings allows them to accommodate these misalignments without compromising the efficiency and performance of the connected equipment.
1. Angular Misalignment: Angular misalignment occurs when the axes of the driving and driven shafts are not parallel but intersect at an angle. Pin couplings can tolerate angular misalignment because of their flexible and floating pin design. The two coupling halves are connected by a series of pins, which can pivot and move within the pin holes. This flexibility allows the coupling to bend slightly, adjusting to the angle of misalignment between the shafts.
2. Parallel Misalignment: Parallel misalignment happens when the axes of the driving and driven shafts are parallel, but they are laterally displaced from each other. Pin couplings can handle parallel misalignment to some extent due to the floating nature of the pins. The pins can move laterally within the pin holes, allowing the coupling to adapt to the offset between the shafts.
3. Axial Misalignment: Axial misalignment occurs when there is a linear displacement along the axis of one shaft concerning the other. While pin couplings primarily focus on handling angular and parallel misalignment, they may offer limited axial misalignment capabilities. The floating pins provide a small degree of axial movement, but excessive axial misalignment is best avoided to prevent additional stresses on the coupling.
It is important to note that while pin couplings can accommodate some degree of misalignment, excessive misalignment should be avoided to prevent premature wear and potential failure of the coupling and connected equipment. Regular inspection and maintenance can help identify and address any misalignment issues, ensuring the optimal performance and longevity of the pin coupling in power transmission applications.
Limitations and Disadvantages of Using Pin Couplings
While pin couplings offer various advantages and are suitable for many applications, they also have some limitations and disadvantages to consider:
- Misalignment Restrictions: Pin couplings can accommodate a certain degree of misalignment, but excessive misalignment can lead to increased wear and stress on the coupling components. They are not as effective at handling large angular or parallel misalignments compared to other flexible couplings like gear or elastomeric couplings.
- Less Damping Capacity: Pin couplings have limited damping capacity, which means they may not effectively absorb and reduce vibrations in the system. In applications where vibration damping is critical, elastomeric or flexible couplings may be more suitable.
- Noisy Operation: The rigid nature of pin couplings can lead to increased noise during operation, especially at high speeds or in applications with significant misalignment. This noise can be a concern in environments where noise levels need to be minimized.
- Higher Maintenance: Compared to maintenance-free couplings like certain types of elastomeric couplings, pin couplings may require more frequent inspection and maintenance. The pins and other components may experience wear over time and need replacement.
- Environmental Limitations: Some pin couplings may not be suitable for use in corrosive or high-temperature environments, depending on the materials used. Stainless steel or other corrosion-resistant materials can help mitigate this limitation.
- Size and Weight: In certain applications, the size and weight of pin couplings may be larger and heavier compared to other types of couplings. This can be a consideration in applications where weight is a concern or space is limited.
Despite these limitations, pin couplings remain a popular choice for many applications where their advantages, such as simplicity, durability, and cost-effectiveness, outweigh their disadvantages. It is crucial to carefully assess the specific requirements of the application and consider factors like misalignment, vibration, maintenance needs, and environmental conditions when selecting a coupling type.
editor by CX 2023-09-18
China Professional CZPT Customized Bush Pin Type Stainless Steel Universal Bush Coupling
Product Description
Densen customized bush pin type stainless steel universal bush coupling with Buffer black
| Product Name | Densen customized bush pin type stainless steel universal bush coupling with Buffer black |
| DN mm | 12~160mm |
| Rated Torque | 25~25000 N·m |
| Allowable speed | 15300~1500 N·m |
| Material | 35CrMo/ZG270/45# steel/Aluminum alloy |
| Application | Widely used in metallurgy, mining, engineering and other fields. |
Why Choose Us
1. One stop service:
We have 5 own factories and 50+ sub-contractors located in different areas of China to offer you one-stop manufacturing and purchasing services to help you save time and reduce procurement cost.
2. Your eyes in China:
Our commitment to quality permeates from quoting, scheduling, production, inspection to deliver into your warehouse, our QC team will remark the errors if has on QC documents for your checking before delivery as your 3rd party.
3. Your R&Dconsultant:
With professional engineers team and 29 years manufacture experience ,we would help you work out problems during new parts’ development, optimize design and recommend the most cost-effective solution.
4. Your Emergency Solver:
With continued grown factories team and our QC teams located in different areas, if customers need to expedite the delivery, we would be able to adopt another factory to produce together immediately.
5. Quality Guaranty:
No matter how long time the products delivered, we are responsible for the quality. In case the products be rejected, we would replace them or return fund according to your demand without hesitation
FAQQ1. Are you a manufacturer or a trader?
Manufacture, we have 5 own foundries, 4 in ZheJiang Province, 1 in ZHangZhoug Province
Q2. Do you have MOQ request?
1 pcs per order is ok with us , unless material is seldom used.
Q3. If I only have a sample,without drawings, can you quote then manufacture for me?
Just send us the sample, we would have the sample simulated and measured by professional equipment then issue formal drawings for
you , at the same time, we could help you optimize the design according to your demand and related processes’ feasibility.
| Standard Or Nonstandard: | Standard |
|---|---|
| Structure: | Universal |
| Material: | Steel |
| Color: | Red,Yellow, Blue etc. |
| Transport Package: | Normal Package |
| Specification: | Customized |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How Do Pin Couplings Compare to Other Types of Couplings in Terms of Performance?
Pin couplings offer certain advantages and disadvantages compared to other types of couplings, and their performance characteristics can vary depending on the specific application requirements. Below is a comparison of pin couplings with some commonly used couplings:
1. Gear Couplings:
- Flexibility: Gear couplings are more rigid than pin couplings and may not offer the same level of misalignment capacity.
- Torsional Stiffness: Gear couplings provide higher torsional stiffness, making them suitable for applications requiring precise torque transmission.
- Shock Absorption: Gear couplings can handle higher shock loads due to their robust design and greater stiffness.
- Maintenance: Gear couplings may require periodic lubrication and maintenance compared to maintenance-free pin couplings.
- Applications: Gear couplings are commonly used in heavy-duty and high-torque applications where precise torque transmission is essential.
2. Flexible (Elastomeric) Couplings:
- Flexibility: Elastomeric couplings offer higher misalignment capacity than pin couplings and can handle angular, parallel, and axial misalignment.
- Shock Absorption: Elastomeric couplings provide excellent shock absorption, damping vibrations, and protecting connected equipment.
- Torsional Stiffness: Elastomeric couplings have lower torsional stiffness compared to pin couplings, making them more forgiving in high shock load applications.
- Installation: Elastomeric couplings are easy to install and require no lubrication, making them maintenance-free.
- Applications: Elastomeric couplings are commonly used in pumps, compressors, and other machinery where vibration isolation is crucial.
3. Rigid Couplings:
- Torsional Stiffness: Rigid couplings provide high torsional stiffness, ensuring accurate torque transmission.
- Misalignment Capacity: Rigid couplings have little to no misalignment capacity and require precise shaft alignment.
- Applications: Rigid couplings are used in applications where precise alignment is essential, such as shaft-to-shaft connections in high-precision systems.
Conclusion:
Pin couplings strike a balance between flexibility and torsional stiffness, making them suitable for applications with moderate misalignment and shock loads. They are often used in general industrial applications, conveyors, and light to medium-duty machinery.
When selecting a coupling for a specific application, it is crucial to consider factors such as misalignment requirements, shock and vibration loads, torsional stiffness, maintenance needs, and the level of precision required. Each coupling type has its strengths and weaknesses, and the appropriate choice will depend on the specific demands of the application.
Role of Pin Coupling in Reducing Downtime and Maintenance Costs
A pin coupling plays a crucial role in reducing downtime and maintenance costs in various mechanical systems and power transmission applications. Its design and features contribute to improved reliability and ease of maintenance, resulting in enhanced operational efficiency and cost savings. Here’s how pin couplings achieve these benefits:
1. Shock Absorption: Pin couplings are known for their ability to absorb and dampen shocks and vibrations generated during operation. By cushioning the impact of sudden loads or torque spikes, they protect the connected equipment from potential damage, reducing the frequency of unexpected breakdowns and downtime.
2. Misalignment Tolerance: Pin couplings can tolerate a certain degree of misalignment between shafts, such as angular and parallel misalignment. This flexibility allows for easier installation and alignment of equipment, saving time and effort during setup and reducing the need for precise alignment procedures.
3. Low Maintenance: Pin couplings are designed with simplicity in mind, often consisting of only two coupling halves connected by pins. This straightforward construction means fewer components that can wear out or require regular maintenance. Additionally, the flexibility of the pins helps reduce wear on the coupling and connected equipment, leading to longer maintenance intervals.
4. Easy Replacement: In the event of a failure or wear, pin couplings are relatively easy to replace compared to some other coupling types. The simplicity of their design allows for quick disassembly and reassembly, minimizing downtime during maintenance or replacement procedures.
5. Cost-Effective: The combination of low maintenance requirements and reduced downtime translates into cost savings for businesses. With fewer unexpected breakdowns and lower maintenance expenses, the overall cost of ownership for systems employing pin couplings can be more economical.
6. Reliability: Pin couplings are known for their reliability and durability. When properly selected and installed, they can provide long service life without frequent replacements, contributing to stable and consistent system performance.
By minimizing downtime, maintenance efforts, and associated costs, pin couplings are a preferred choice in various industrial applications. However, it is crucial to ensure that the pin coupling is correctly sized and installed, and regular inspections and maintenance are conducted to maximize its benefits and prevent premature failure.
Understanding Pin Couplings and Their Functionality
A pin coupling, also known as a shear pin coupling, is a type of mechanical coupling used to connect two rotating shafts in a mechanical system. It is designed to transmit torque while allowing for a limited amount of angular misalignment between the shafts. The primary function of a pin coupling is to protect the connected equipment from torque overload and prevent damage to the shafts and other components in case of sudden shock or overload.
How a Pin Coupling Works:
A typical pin coupling consists of two hubs, one on each shaft to be connected, and a series of pins that pass through the hubs to join them together. The pins are usually made of a softer material than the hubs, such as brass or aluminum, to act as sacrificial elements. The number and size of the pins depend on the coupling’s torque rating and the required angular misalignment capacity.
When the shafts are misaligned, the pins experience shear stress as they bend under the applied load. In normal operating conditions, the pins remain intact and allow the torque to transfer from one shaft to another. However, in the event of an overload or excessive misalignment, the pins will shear off, preventing the transmission of excessive torque and protecting the connected equipment from damage.
After shearing, the damaged pins can be easily replaced, and the coupling can be put back into service without major repairs to the equipment. This feature makes pin couplings particularly suitable for applications with varying operating conditions and environments where shock loads or sudden overloads may occur.
Advantages of Pin Couplings:
– Protection against Overload: The shear pins act as a safety feature, protecting the connected equipment from excessive torque and sudden shocks.
– Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts.
– Easy Replacement: After shearing, the damaged pins can be quickly replaced, reducing downtime and maintenance costs.
– Versatility: Suitable for a wide range of applications, including pumps, compressors, and other industrial machinery.
– Cost-Effective: The sacrificial pins are cost-effective components that can be easily replaced, avoiding costly repairs to the main equipment.
Limitations:
– Pin couplings have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings.
– The need to replace the shear pins after each failure may lead to frequent maintenance requirements in applications with frequent overloads or misalignments.
In summary, pin couplings offer a reliable and cost-effective solution for torque transmission and protection against overloads in various mechanical systems. Their ability to accommodate misalignment and absorb shock loads makes them suitable for a wide range of industrial applications.
editor by CX 2023-09-18
China best Brass Material Type Air Hose Coupling for Plumbing Fire Hose M42X2 Thread with Pin Lug
Product Description
Product Description
TYPE: AIR – MATERIAL: BRASS – THREAD: M42 X 2 – TECHNICAL: FORGED
Product Parameters
| Code No. | Inlet size | Hose End |
| HY003-011A-00 | M42X2 | 6mm |
| HY003-011B-00 | M42X2 | 8mm |
| HY003-011C-00 | M42X2 | 9mm |
| HY003-011D-00 | M42X2 | 12mm |
| HY003-011E-00 | M42X2 | 15mm |
| HY003-011F-00 | M42X2 | 19mm |
| HY003-011G-00 | M42X2 | 25mm |
Product catalog
Production workflow chat
| Surface Treatment: | Polishing/Sand Blasting |
|---|---|
| Material: | Brass |
| Inlet: | M42X2 |
| Technical: | Forged |
| Model No.: | Hy003-011-00 |
| Transport Package: | Carton&Pallet |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How Do Pin Couplings Compare to Other Types of Couplings in Terms of Performance?
Pin couplings offer certain advantages and disadvantages compared to other types of couplings, and their performance characteristics can vary depending on the specific application requirements. Below is a comparison of pin couplings with some commonly used couplings:
1. Gear Couplings:
- Flexibility: Gear couplings are more rigid than pin couplings and may not offer the same level of misalignment capacity.
- Torsional Stiffness: Gear couplings provide higher torsional stiffness, making them suitable for applications requiring precise torque transmission.
- Shock Absorption: Gear couplings can handle higher shock loads due to their robust design and greater stiffness.
- Maintenance: Gear couplings may require periodic lubrication and maintenance compared to maintenance-free pin couplings.
- Applications: Gear couplings are commonly used in heavy-duty and high-torque applications where precise torque transmission is essential.
2. Flexible (Elastomeric) Couplings:
- Flexibility: Elastomeric couplings offer higher misalignment capacity than pin couplings and can handle angular, parallel, and axial misalignment.
- Shock Absorption: Elastomeric couplings provide excellent shock absorption, damping vibrations, and protecting connected equipment.
- Torsional Stiffness: Elastomeric couplings have lower torsional stiffness compared to pin couplings, making them more forgiving in high shock load applications.
- Installation: Elastomeric couplings are easy to install and require no lubrication, making them maintenance-free.
- Applications: Elastomeric couplings are commonly used in pumps, compressors, and other machinery where vibration isolation is crucial.
3. Rigid Couplings:
- Torsional Stiffness: Rigid couplings provide high torsional stiffness, ensuring accurate torque transmission.
- Misalignment Capacity: Rigid couplings have little to no misalignment capacity and require precise shaft alignment.
- Applications: Rigid couplings are used in applications where precise alignment is essential, such as shaft-to-shaft connections in high-precision systems.
Conclusion:
Pin couplings strike a balance between flexibility and torsional stiffness, making them suitable for applications with moderate misalignment and shock loads. They are often used in general industrial applications, conveyors, and light to medium-duty machinery.
When selecting a coupling for a specific application, it is crucial to consider factors such as misalignment requirements, shock and vibration loads, torsional stiffness, maintenance needs, and the level of precision required. Each coupling type has its strengths and weaknesses, and the appropriate choice will depend on the specific demands of the application.
What Industries Commonly Use Pin Couplings for Power Transmission?
Pin couplings are widely used in various industries for power transmission due to their ability to accommodate misalignment and provide reliable torque transmission. Some of the industries where pin couplings are commonly employed include:
- 1. Manufacturing: In manufacturing processes, pin couplings are used in conveyor systems, mixers, agitators, and other machinery to transfer power between motors and driven equipment.
- 2. Pulp and Paper: The pulp and paper industry uses pin couplings in machinery such as pumps, fans, and rotary kilns for continuous power transmission.
- 3. Chemical and Petrochemical: Pin couplings find applications in chemical processing plants, refineries, and petrochemical facilities for various rotating equipment.
- 4. Water and Wastewater: Pin couplings are used in water treatment facilities, pumps, and blowers to transfer power efficiently.
- 5. Steel and Metal Processing: Steel mills and metal processing plants utilize pin couplings in rolling mills, extruders, and other equipment.
- 6. Food and Beverage: Pin couplings are employed in food processing machinery, packaging equipment, and conveyor systems.
- 7. Mining and Quarrying: The mining industry uses pin couplings in crushers, conveyor belts, and various mineral processing equipment.
- 8. Oil and Gas: Pin couplings are used in the oil and gas sector for pumps, compressors, and drilling equipment.
- 9. Power Generation: In power plants, pin couplings are used in turbines, generators, and other power transmission systems.
- 10. Construction and Heavy Equipment: Pin couplings find applications in construction machinery, earthmoving equipment, and other heavy-duty machinery.
- 11. Agriculture: In agricultural machinery, pin couplings are used in tractors, irrigation systems, and grain processing equipment.
These are just some examples of the industries where pin couplings are commonly used. Pin couplings offer versatility, ease of installation, and reliability, making them suitable for a wide range of applications in different sectors where power transmission is essential.
Limitations and Disadvantages of Using Pin Couplings
While pin couplings offer various advantages and are suitable for many applications, they also have some limitations and disadvantages to consider:
- Misalignment Restrictions: Pin couplings can accommodate a certain degree of misalignment, but excessive misalignment can lead to increased wear and stress on the coupling components. They are not as effective at handling large angular or parallel misalignments compared to other flexible couplings like gear or elastomeric couplings.
- Less Damping Capacity: Pin couplings have limited damping capacity, which means they may not effectively absorb and reduce vibrations in the system. In applications where vibration damping is critical, elastomeric or flexible couplings may be more suitable.
- Noisy Operation: The rigid nature of pin couplings can lead to increased noise during operation, especially at high speeds or in applications with significant misalignment. This noise can be a concern in environments where noise levels need to be minimized.
- Higher Maintenance: Compared to maintenance-free couplings like certain types of elastomeric couplings, pin couplings may require more frequent inspection and maintenance. The pins and other components may experience wear over time and need replacement.
- Environmental Limitations: Some pin couplings may not be suitable for use in corrosive or high-temperature environments, depending on the materials used. Stainless steel or other corrosion-resistant materials can help mitigate this limitation.
- Size and Weight: In certain applications, the size and weight of pin couplings may be larger and heavier compared to other types of couplings. This can be a consideration in applications where weight is a concern or space is limited.
Despite these limitations, pin couplings remain a popular choice for many applications where their advantages, such as simplicity, durability, and cost-effectiveness, outweigh their disadvantages. It is crucial to carefully assess the specific requirements of the application and consider factors like misalignment, vibration, maintenance needs, and environmental conditions when selecting a coupling type.
editor by CX 2023-09-14
China Best Sales CZPT Lzz Type Flexible Pin Bush Couplings Brake Wheel Two Half Couplings Connection
Product Description
LZZ Type Elastic Coupling with Brake Wheel(GB/T 5015-2003)
♦Description
♦Basic Parameter and Main Dimension
Allowable Compensation for Elastic Pin & Bush Gear Couplings
Note:
N.m= Nominal Torque; r/min= Allowable speed of rotation; d1.d2= Diameter of shaft hole;
Y L= Length of shaft hole; kg.m²= Rotational inertia; kg= Mass
△Y= Radial; △X= Axial; △α= Angular
1. The measuring part of radial compensation is half of the maximum outer circle width of the half coupling.
2. The compensation quantity listed in the table refers to the relative offset of 2 axles caused by installation error, shock, vibration, deformation, temperature change and other factors. The installation error must be less than the value listed in the table.
♦Other Products List
| Transmission Machinery Parts Name |
Model |
| Universal Coupling | WS,WSD,WSP |
| Cardan Shaft | SWC,SWP,SWZ |
| Tooth Coupling | CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK |
| Disc Coupling | JMI,JMIJ,JMII,JMIIJ |
| High Flexible Coupling | LM |
| Chain Coupling | GL |
| Jaw Coupling | LT |
| Grid Coupling | JS |
♦Our Company
HangZhou CZPT Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective.
♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.
2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping
3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.
4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.
5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.
♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.
Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.
Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.
Q 4: Do you provide samples? Is it free or extra?
Yes, we could offer the sample but not for free. Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.
Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.
Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.
Q 7: Do you have inspection procedures for coupling?
A: 100% self-inspection before packing.
Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.
Q 9: What’s your payment?
A: T/T.
♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
| Standard Or Nonstandard: | Nonstandard |
|---|---|
| Shaft Hole: | as Your Requirement |
| Torque: | as Your Requirement |
| Bore Diameter: | as Your Requirement |
| Speed: | as Your Requirement |
| Structure: | Flexible |
| Samples: |
US$ 500/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How Does a Pin Coupling Protect Connected Equipment from Shock Loads and Vibrations?
Pin couplings are designed to provide excellent protection to connected equipment from shock loads and vibrations, ensuring the smooth and reliable operation of the machinery. The unique features of pin couplings contribute to their ability to absorb and dampen shock loads and vibrations effectively:
- Flexibility: Pin couplings possess a certain degree of flexibility due to the presence of movable pins. When subjected to sudden shock loads or vibrations, the pins can flex and move slightly, absorbing the impact and preventing it from transmitting directly to the connected equipment. This flexibility helps in reducing stress and minimizing the risk of damage to the machinery.
- Torsional Compliance: The pin coupling’s design allows for a certain amount of torsional compliance. This means that when the connected shafts experience slight misalignments or angular displacements, the pin coupling can compensate for these variations without causing additional stress or vibration in the system. This feature ensures that the machinery remains in proper alignment even under dynamic conditions, reducing wear and tear.
- Damping Characteristics: The presence of movable pins introduces damping characteristics to the coupling. When vibrations occur in the system, the pins can dampen these oscillations, preventing resonance and the amplification of vibrations. This damping effect improves the overall stability and performance of the machinery.
- Strength and Resilience: High-quality pin couplings are constructed from durable materials with excellent fatigue resistance. This enables the coupling to withstand repeated shock loads and vibrations over an extended period without compromising its integrity. The strength and resilience of the pin coupling contribute to the protection of the connected equipment.
Overall, pin couplings are reliable and versatile components that can effectively protect connected equipment from shock loads and vibrations. Their flexibility, torsional compliance, damping characteristics, and robust construction make them suitable for various industrial applications where shock and vibration mitigation are essential for maintaining the health and longevity of machinery and equipment.
Factors to Consider When Choosing a Pin Coupling for a Specific System
When selecting a pin coupling for a specific system, several critical factors need to be considered to ensure optimal performance, reliability, and longevity. Each application has unique requirements, and choosing the right pin coupling involves assessing the following factors:
1. Torque and Power Requirements: Determine the torque and power transmission requirements of the system. The pin coupling must be capable of handling the maximum torque and power generated by the connected equipment.
2. Operating Speed: Consider the rotational speed of the system’s driving and driven shafts. The pin coupling’s design should allow for smooth and efficient operation at the specified speed range.
3. Misalignment Tolerance: Assess the degree of misalignment between the shafts that the coupling needs to accommodate. Pin couplings are suitable for applications with moderate angular, parallel, and axial misalignment.
4. Operating Environment: Consider the environmental conditions the coupling will be exposed to, including temperature, humidity, dust, and presence of corrosive substances. Choose a pin coupling with materials and surface treatments suitable for the operating environment.
5. Size and Space Constraints: Ensure that the selected pin coupling fits within the available space and does not interfere with other components in the system.
6. Serviceability and Maintenance: Evaluate the ease of installation, maintenance, and replacement of the pin coupling. Easy-to-service couplings can help reduce downtime and maintenance costs.
7. Shock and Vibration: Consider the level of shock and vibration the system will experience. The pin coupling should be robust enough to handle these dynamic loads without failure.
8. Cost: Evaluate the overall cost of the pin coupling, including its initial purchase price, maintenance costs, and potential downtime expenses. Choose a coupling that offers the best balance of performance and cost-effectiveness.
9. Material Selection: Select the appropriate materials for the pin coupling based on the application requirements. Common materials include carbon steel, stainless steel, and alloy steel.
10. Compatibility: Ensure that the pin coupling is compatible with the specific shaft sizes and configurations of the system’s driving and driven components.
11. Compliance with Industry Standards: Check if the pin coupling meets relevant industry standards and safety requirements.
By carefully considering these factors, engineers and system designers can choose the most suitable pin coupling for their specific application. It’s essential to work closely with coupling manufacturers or suppliers to ensure that the selected coupling meets all the necessary specifications and requirements.
Advantages of Using Pin Couplings in Mechanical Systems
Pin couplings, also known as shear pin couplings, offer several advantages when used in mechanical systems. These advantages make them a popular choice for various industrial applications:
- 1. Overload Protection: Pin couplings are designed to provide overload protection to connected equipment. In case of excessive torque or sudden shock loads, the sacrificial pins will shear off, preventing damage to the shafts and other components.
- 2. Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts. This helps to compensate for minor misalignments and reduces the stress on the connected equipment.
- 3. Cost-Effective: The shear pins used in pin couplings are relatively inexpensive compared to other coupling components. In the event of a failure, replacing the damaged pins is a cost-effective solution, avoiding more significant repairs to the main equipment.
- 4. Easy Replacement: After shearing, the damaged pins can be quickly and easily replaced. This leads to reduced downtime and lower maintenance costs in the long run.
- 5. Versatility: Pin couplings are suitable for a wide range of applications, including pumps, compressors, fans, and other industrial machinery. Their ability to handle varying operating conditions makes them versatile in different environments.
- 6. Shock Load Absorption: Pin couplings can absorb and dissipate shock loads effectively. The shear pins act as a buffer, protecting the equipment from sudden impacts or overloads.
Despite their numerous advantages, it is essential to consider the limitations of pin couplings as well. They have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings. Additionally, the need to replace shear pins after each failure may lead to more frequent maintenance requirements in applications with frequent overloads or misalignments.
In conclusion, pin couplings provide reliable torque transmission and safety features, making them a valuable component in various mechanical systems. Their ability to protect against overloads and accommodate misalignments makes them a practical choice in a wide range of industrial applications.
editor by CX 2023-09-14