Product Description
GH Oldham type coupling cross sliding set screw coupling
Description of GH Oldham type coupling cross sliding set screw coupling
>The colloid material is imported PA66, which has good wear resistance, corrosion resistance and electrical insulation
>Sliding design can compensate radial and angular deviation more effectively
>Detachable design, easy to install
>Fastening method of clamping screw
Dimensions of GH Oldham type coupling cross sliding set screw coupling
| model parameter | common bore diameter d1,d2 | ΦD | L | LF | LP | F | M | tightening screw torque (N.M) |
| GH-16X18 | 4,5,6,6.35,7,8 | 16 | 18 | 7.1 | 11.6 | 3.55 | M3 | 0.7 |
| GH-20X25 | 5,6,6.35,7,8,9,9.525 | 20 | 25 | 9.1 | 12.7 | 4.55 | M4 | 1.7 |
| GH-25X28 | 5,6,6.35,8,9,9.525,10,11,12,14 | 25 | 28 | 11.7 | 16.65 | 5.58 | M4 | 1.7 |
| GH-32×33 | 5,6,8,9,9.525,10,11,12,12.7,14,15,16 | 32 | 33 | 14 | 19.5 | 7 | M4 | 1.7 |
| GH-40X35 | 8,9,9.525,10,11,12,12.7,14,14,16,17,18,19,20 | 40 | 35 | 15.5 | 18.4 | 7.75 | M4 | 1.7 |
| GH-45X46 | 8,9,9.525,10,11,12.7,14,15,16,17,18,19,20,22 | 45 | 46 | 21.5 | 18.4 | 9 | M5 | 4 |
| GH-50X38 | 10,12,12.7,14,15,16,17,18,19,20,22,24,25 | 50 | 38 | 16.5 | 15 | 8.25 | M5 | 4 |
| GH-55X57 | 10,12,12.7,14,15,16,17,18,19,20,22,24,25,28,30,32 | 55 | 57 | 27 | 17.5 | 10.5 | M5 | 4 |
| GH-63X47 | 14,15,16,17,18,19,20,22,24,25,28,30,32 | 63 | 47 | 21 | 17.5 | 10.5 | M6 | 8.4 |
| GH-70X77 | 16,17,18,19,20,22,24,25,28,30,32,38,40 | 70 | 77 | 36.5 | 25 | 13.5 | M8 | 10.5 |
| model parameter | Rated torque (N.M)* |
allowable eccentricity (mm)* |
allowable deflection angle (°)* |
allowable axial deviation (mm)* |
maximum speed rpm |
static torsional stiffness (N.M/rad) |
moment of inertia (Kg.M2) |
Material of shaft sleeve | Material of shrapnel | surface treatment | weight (g) |
| GH-16X18 | 0.7 | 0.8 | 3 | ±0.2 | 9000 | 30 | 3.3×10-7 | High strength aluminum alloy | P A 6 6 | Anodizing treatment | 6 |
| GH-20X25 | 1.2 | 1.2 | 3 | ±0.2 | 7000 | 58 | 1.1×10-6 | 18 | |||
| GH-25X28 | 2 | 1.6 | 3 | ±0.2 | 6000 | 130 | 3.1×10-6 | 25 | |||
| GH-32×33 | 4.5 | 2 | 3 | ±0.2 | 4800 | 270 | 9.6×10-6 | 44 | |||
| GH-40X35 | 9 | 2.4 | 3 | ±0.2 | 3600 | 520 | 2.3×10-5 | 81 | |||
| GH-45X46 | 12 | 2.8 | 3 | ±0.2 | 3500 | 560 | 3.8×10-5 | 136 | |||
| GH-50X38 | 19 | 2.6 | 3 | ±0.2 | 3000 | 800 | 1.8×10-4 | 142 | |||
| GH-55X57 | 22 | 3.3 | 3 | ±0.2 | 2800 | 795 | 8.0×10-4 | 255 | |||
| GH-63X47 | 19 | 3 | 3 | ±0.2 | 2500 | 1200 | 8.3×10-4 | 320 | |||
| GH-70X77 | 56 | 3.8 | 3 | ±0.2 | 2500 | 1260 | 3.9×10-4 | 445 |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
How to Identify Signs of Wear or Damage in an Oldham Coupling?
Regular inspection of Oldham couplings is essential to ensure their proper functioning and prevent unexpected failures. Here are some signs of wear or damage to look for during the inspection:
1. Visible Cracks or Deformation: Check the center disc and the hubs for any visible cracks, tears, or deformation. These can be indicators of excessive stress or misalignment.
2. Abnormal Vibrations: Excessive vibrations during operation may suggest that the coupling is not functioning correctly. It could be due to wear in the center disc or improper installation.
3. Unusual Noise: Grinding, clicking, or banging noises during equipment operation may indicate that the Oldham coupling is experiencing excessive backlash or misalignment.
4. Increased Backlash: If there is noticeable play or free movement between the coupling components, it may be a sign of wear in the center disc or worn hubs.
5. Reduced Performance: A decrease in the performance of the machinery or unexpected issues with power transmission could be indicative of coupling problems.
6. Abnormal Heating: If the coupling becomes unusually hot during operation, it may suggest friction or misalignment issues.
7. Excessive Wear on Center Disc: Inspect the center disc for signs of wear, such as grooves, uneven surfaces, or material loss. This may occur over time due to the repeated flexing of the disc.
8. Lubrication Issues: Improper or inadequate lubrication can lead to increased friction and wear in the coupling components.
If any of these signs are observed during the inspection, it is essential to address the issue promptly. Depending on the severity of the wear or damage, the Oldham coupling may require replacement or repair. Regular maintenance and proper lubrication can help extend the life of the coupling and prevent unexpected failures, ensuring smooth and reliable operation in the machinery or equipment.
How do Temperature and Environmental Conditions Affect the Performance of an Oldham Coupling?
The performance of an Oldham coupling can be influenced by temperature and environmental conditions. The choice of materials used in the coupling’s construction plays a vital role in determining its suitability for specific operating environments. Here are some factors to consider:
Temperature: Extreme temperatures can affect the material properties of the Oldham coupling components. High temperatures can lead to thermal expansion, which might cause changes in the coupling’s dimensions and interfere with its performance. In contrast, low temperatures can make materials more brittle, reducing the coupling’s ability to withstand torque and misalignment. It is essential to select materials that can operate effectively within the temperature range of the intended application.
Corrosive Environments: In corrosive environments, such as chemical processing plants or marine applications, it is crucial to use materials that are resistant to corrosion. Stainless steel and other corrosion-resistant alloys are commonly used in such conditions to ensure the longevity and reliability of the Oldham coupling.
Dust and Contaminants: Dust, dirt, and other contaminants can accumulate on the coupling’s moving parts, leading to increased wear and reduced performance. Regular cleaning and maintenance are essential in environments where dust and contaminants are prevalent.
Humidity and Moisture: High humidity or moisture can lead to the formation of rust or corrosion on metal components. For applications in such environments, it is essential to use materials with proper corrosion resistance or consider protective coatings.
Shock and Vibration: In applications where the coupling is subjected to high levels of shock and vibration, it is essential to ensure that the coupling’s design and materials can withstand these dynamic forces without premature failure.
Proper selection of materials and regular maintenance can help mitigate the impact of temperature and environmental conditions on the performance of an Oldham coupling. Additionally, consulting with coupling manufacturers or engineering experts can provide valuable insights into choosing the most suitable coupling for specific operating conditions.
Advantages of Using an Oldham Coupling Compared to Other Types of Couplings
An Oldham coupling offers several advantages over other types of couplings, making it a preferred choice in certain applications:
- Misalignment Compensation: The Oldham coupling can handle both angular and axial misalignments between shafts. It allows for up to a few degrees of misalignment while transmitting torque smoothly, reducing the risk of premature wear and failure caused by misalignment.
- No Backlash: Unlike some other flexible couplings, the Oldham coupling has minimal backlash. This means there is little to no play or clearance between the coupling components during rotation, ensuring precise torque transmission and positioning in high-precision applications.
- Vibration and Noise Damping: The sliding action of the middle block in the coupling helps to isolate the shafts from each other, reducing vibrations and noise during operation. This feature is beneficial in applications where vibration dampening is critical to equipment performance and longevity.
- High Torque Transmission: Oldham couplings can handle relatively high torque transmission, making them suitable for applications with moderate to high torque requirements.
- Low Maintenance: Due to its design, the Oldham coupling experiences minimal wear during operation, leading to lower maintenance requirements and longer service life.
- Easy Installation: Oldham couplings are relatively easy to install and remove, simplifying maintenance and replacement procedures.
- Electrically Insulating: Some Oldham couplings are available with non-conductive materials, providing electrical isolation between shafts, which is essential in certain applications.
- Cost-Effective: Compared to other high-performance couplings, Oldham couplings are often more cost-effective, providing reliable performance without breaking the budget.
Overall, the Oldham coupling is an excellent choice in applications where misalignment compensation, precision torque transmission, vibration dampening, and low maintenance are critical factors for successful operation. Its unique design and features make it suitable for various industrial and automation systems, contributing to smoother and more efficient mechanical power transmission.
editor by CX 2024-05-15
China manufacturer Oldham Couplings Clamp or Screw up Aluminum Anodize Torsionally Flexible Coupling oldham coupling
Product Description
Coupling
1. The couplings offer a range of hub and element selection to meet different demands.
2. They can absorb shock and cater for incidental misalignment and damp out small amplitude vibrations.
3. NBR, Urethane, Hytrel elements.
4. Customized requirement is available.
Oldham Couplings
Characteristic:
Zero rotary clearance
High torque
Allow large quantity of error adjustment
Absorption of vibration
Electrical insulation
The advantages of simple structure, convenient installation
Main Products:
1. Timing Belt Pulley (Synchronous Pulley), Timing Bar, Clamping Plate;
2. Forging, Casting, Stampling Part;
3. V Belt Pulley and Taper Lock Bush; Sprocket, Idler and Plate Wheel;Spur Gear, Bevel Gear, Rack;
4. Shaft Locking Device: could be alternative for Ringfeder, Sati, Chiaravalli, Tollok, etc.;
5. Shaft Coupling: including Miniature couplings, Curved tooth coupling, Chain coupling, HRC coupling,
Normex coupling, Type coupling, GE Coupling, torque limiter, Universal Joint;
6. Shaft Collars: including Setscrew Type, Single Split and Double Splits;
7. Gear & Rack: Spur gear/rack, bevel gear, helical gear/rack.
8. Other customized Machining Parts according to drawings (OEM) Forging, Casting, Stamping Parts.
PACKING
| Packaging | |
| Packing
|
We use standard export wooden case, carton and pallet, but we can also pack it as per your special requirements. |
OUR COMPANY
ZheJiang Mighty Machinery Co., Ltd. specializes in offering best service and the most competitive price for our customer.
After over 10 years’ hard work, MIGHTY’s business has grown rapidly and become an important partner for oversea clients in the industrial field and become a holding company for 3 manufacturing factories.
MIGHTY’s products have obtained reputation of domestic and oversea customers with taking advantage of technology, management, quality and very competitive price.
Your satisfaction is the biggest motivation for our work, choose us to get high quality products and best service.
OUR FACTORY
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 but the cost of freight on buyer’bill.
Q: What is your terms of payment ?
A: Payment=10000USD, 50% 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.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Can an Oldham Coupling Reduce Vibration and Backlash in Mechanical Systems?
Yes, an Oldham coupling can help reduce vibration and minimize backlash in mechanical systems, making it a popular choice for applications that require precise and smooth power transmission.
Vibration Reduction: Oldham couplings are designed with a three-piece construction, comprising two hubs and a center disc. The center disc, also known as the spacer, is made of a flexible material such as acetal or nylon. When torque is transmitted through the coupling, the center disc flexes, absorbing any misalignment between the shafts. This flexing action helps dampen vibration and reduces resonance in the system, leading to smoother operation and less mechanical stress on connected components.
Backlash Minimization: Backlash is the amount of play or free movement between the mating parts of a mechanical system. In traditional couplings like gear couplings, there can be significant backlash due to the nature of the gear teeth. However, Oldham couplings have a unique design that allows them to transmit torque with minimal backlash. The center disc provides a small amount of clearance between the hubs, enabling smooth rotation without backlash. This characteristic is especially beneficial in applications that require precise motion control, such as robotics and CNC machines.
Overall, the flexible and backlash-free nature of Oldham couplings makes them well-suited for applications where vibration reduction and precise motion control are essential. By reducing vibration and backlash, Oldham couplings contribute to the overall efficiency, accuracy, and reliability of the mechanical system they are employed in.
What are the Maintenance Requirements for Oldham Couplings to Ensure Their Longevity?
Maintaining Oldham couplings is essential to ensure their longevity and optimal performance. Proper maintenance practices can prevent premature wear and damage, reducing the risk of unexpected failures and downtime. Here are some maintenance requirements to consider for Oldham couplings:
- Regular Inspection: Perform regular visual inspections of the coupling to check for signs of wear, misalignment, or damage. Look for cracks, corrosion, or any unusual behavior during operation.
- Lubrication: Oldham couplings may require periodic lubrication to reduce friction between moving parts and prevent excessive wear. Check the manufacturer’s guidelines for the appropriate lubrication schedule and type of lubricant to use.
- Alignment: Proper alignment is crucial for Oldham couplings to function correctly. Ensure that the shafts and hubs are correctly aligned to avoid additional stress on the coupling components.
- Torque Check: Periodically check the coupling’s torque to verify that it is within the recommended operating range. Over-torqueing or under-torqueing can lead to coupling failure.
- Environmental Protection: In harsh environments or applications exposed to contaminants, consider using protective covers or enclosures to shield the coupling from debris, dirt, and moisture.
- Replacement of Worn Parts: If any component of the Oldham coupling shows signs of wear or damage, promptly replace it with a new one from the manufacturer.
- Proper Handling: During installation or maintenance, handle the coupling components with care to avoid any accidental damage.
It is crucial to follow the manufacturer’s maintenance guidelines and recommendations specific to the Oldham coupling model being used. Proper maintenance practices will not only extend the coupling’s lifespan but also contribute to the overall reliability and efficiency of the mechanical system it is part of.
What is an Oldham Coupling and How Does It Function in Mechanical Systems?
An Oldham coupling is a type of flexible coupling used in mechanical systems to transmit torque between two shafts that are misaligned. It consists of three main components: two hubs or discs and a middle block. The two hubs are connected to the respective shafts, and the middle block sits in between them.
The key feature of the Oldham coupling is the middle block, which has slots on its opposite faces and is connected to the hubs using pins or keys. The slots in the middle block are oriented perpendicular to each other, allowing the middle block to move in a plane perpendicular to the axis of the shafts.
When torque is applied to one shaft, it is transmitted to the middle block of the coupling. Due to the slots, the middle block can slide laterally as the shafts rotate, accommodating both angular and axial misalignments between the shafts. This sliding action helps to reduce the reaction forces and wear that would otherwise occur in rigid couplings when misalignment is present.
Oldham couplings are known for their ability to provide constant velocity transmission even when misalignment exists. They do not have any backlash, which means there is minimal play between the coupling components during rotation. This feature makes them suitable for precision applications where accurate torque transmission and positioning are required.
One of the main advantages of the Oldham coupling is that it effectively isolates the connected shafts from each other, which can help in reducing vibrations and noise. Additionally, it can compensate for parallel misalignment between the shafts, making it ideal for applications where parallel shafts need to be connected while allowing some degree of misalignment.
Oldham couplings are commonly used in various industrial machinery and automation systems, including CNC machines, robotics, printing presses, and conveyor systems. They are particularly useful in applications where precise torque transmission, misalignment compensation, and low maintenance are essential.
editor by CX 2024-05-03
China manufacturer Gh-40X35 Oldham Type Coupling Cross Sliding Set Screw Coupling oldham coupling
Product Description
GH Oldham type coupling cross sliding set screw coupling
Description of GH Oldham type coupling cross sliding set screw coupling
>The colloid material is imported PA66, which has good wear resistance, corrosion resistance and electrical insulation
>Sliding design can compensate radial and angular deviation more effectively
>Detachable design, easy to install
>Fastening method of clamping screw
Dimensions of GH Oldham type coupling cross sliding set screw coupling
| model parameter | common bore diameter d1,d2 | ΦD | L | LF | LP | F | M | tightening screw torque (N.M) |
| GH-16X18 | 4,5,6,6.35,7,8 | 16 | 18 | 7.1 | 11.6 | 3.55 | M3 | 0.7 |
| GH-20X25 | 5,6,6.35,7,8,9,9.525 | 20 | 25 | 9.1 | 12.7 | 4.55 | M4 | 1.7 |
| GH-25X28 | 5,6,6.35,8,9,9.525,10,11,12,14 | 25 | 28 | 11.7 | 16.65 | 5.58 | M4 | 1.7 |
| GH-32×33 | 5,6,8,9,9.525,10,11,12,12.7,14,15,16 | 32 | 33 | 14 | 19.5 | 7 | M4 | 1.7 |
| GH-40X35 | 8,9,9.525,10,11,12,12.7,14,14,16,17,18,19,20 | 40 | 35 | 15.5 | 18.4 | 7.75 | M4 | 1.7 |
| GH-45X46 | 8,9,9.525,10,11,12.7,14,15,16,17,18,19,20,22 | 45 | 46 | 21.5 | 18.4 | 9 | M5 | 4 |
| GH-50X38 | 10,12,12.7,14,15,16,17,18,19,20,22,24,25 | 50 | 38 | 16.5 | 15 | 8.25 | M5 | 4 |
| GH-55X57 | 10,12,12.7,14,15,16,17,18,19,20,22,24,25,28,30,32 | 55 | 57 | 27 | 17.5 | 10.5 | M5 | 4 |
| GH-63X47 | 14,15,16,17,18,19,20,22,24,25,28,30,32 | 63 | 47 | 21 | 17.5 | 10.5 | M6 | 8.4 |
| GH-70X77 | 16,17,18,19,20,22,24,25,28,30,32,38,40 | 70 | 77 | 36.5 | 25 | 13.5 | M8 | 10.5 |
| model parameter | Rated torque (N.M)* |
allowable eccentricity (mm)* |
allowable deflection angle (°)* |
allowable axial deviation (mm)* |
maximum speed rpm |
static torsional stiffness (N.M/rad) |
moment of inertia (Kg.M2) |
Material of shaft sleeve | Material of shrapnel | surface treatment | weight (g) |
| GH-16X18 | 0.7 | 0.8 | 3 | ±0.2 | 9000 | 30 | 3.3×10-7 | High strength aluminum alloy | P A 6 6 | Anodizing treatment | 6 |
| GH-20X25 | 1.2 | 1.2 | 3 | ±0.2 | 7000 | 58 | 1.1×10-6 | 18 | |||
| GH-25X28 | 2 | 1.6 | 3 | ±0.2 | 6000 | 130 | 3.1×10-6 | 25 | |||
| GH-32×33 | 4.5 | 2 | 3 | ±0.2 | 4800 | 270 | 9.6×10-6 | 44 | |||
| GH-40X35 | 9 | 2.4 | 3 | ±0.2 | 3600 | 520 | 2.3×10-5 | 81 | |||
| GH-45X46 | 12 | 2.8 | 3 | ±0.2 | 3500 | 560 | 3.8×10-5 | 136 | |||
| GH-50X38 | 19 | 2.6 | 3 | ±0.2 | 3000 | 800 | 1.8×10-4 | 142 | |||
| GH-55X57 | 22 | 3.3 | 3 | ±0.2 | 2800 | 795 | 8.0×10-4 | 255 | |||
| GH-63X47 | 19 | 3 | 3 | ±0.2 | 2500 | 1200 | 8.3×10-4 | 320 | |||
| GH-70X77 | 56 | 3.8 | 3 | ±0.2 | 2500 | 1260 | 3.9×10-4 | 445 |
Specific Safety Considerations for Using Oldham Couplings in High-Speed Applications
When using Oldham couplings in high-speed applications, there are several safety considerations to keep in mind to ensure the safe and efficient operation of the machinery:
1. Material Selection: Choose high-quality materials for the Oldham coupling components to withstand the stresses and forces experienced at high speeds.
2. Proper Installation: Ensure the coupling is installed correctly and securely to prevent any chances of coupling failure or disengagement during high-speed operation.
3. Balancing: Balance the coupling components accurately to minimize vibration and prevent excessive wear, which can be more pronounced at high speeds.
4. Regular Inspections: Implement a regular inspection and maintenance schedule to identify any signs of wear, misalignment, or damage that may occur due to high-speed operation.
5. Lubrication: Use appropriate lubrication to reduce friction and heat generation, which is crucial in high-speed applications.
6. Temperature Consideration: Monitor the temperature of the coupling during operation as high speeds can result in increased heat generation.
7. Avoid Overloading: Do not exceed the recommended torque and speed limits specified by the manufacturer to avoid overloading the coupling.
8. Coupling Guards: Consider using coupling guards or covers to protect personnel from rotating or moving coupling components in high-speed systems.
9. Emergency Shutdown: Install an emergency shutdown system to quickly stop the machinery in case of coupling failure or other emergencies.
10. Compliance with Standards: Ensure that the Oldham coupling and its installation comply with industry standards and regulations for high-speed applications.
By adhering to these safety considerations and implementing preventive measures, the risk of accidents, machinery damage, and downtime in high-speed applications can be significantly reduced. Always consult the coupling manufacturer’s guidelines and follow best practices for safe operation and maintenance.
How to Calculate the Required Size and Specifications for an Oldham Coupling
Calculating the required size and specifications for an Oldham coupling involves considering several key factors. Here’s a step-by-step guide to help you with the calculations:
- Identify the Torque Requirements: Determine the maximum torque that the coupling needs to transmit between the two shafts. This can be done by analyzing the torque demands of the application and considering safety factors.
- Select the Coupling Material: Based on the operating conditions and the type of machinery, choose a suitable material for the Oldham coupling. Common materials include aluminum, stainless steel, and acetal.
- Calculate the Bore Diameter: Measure the diameters of the shafts that the coupling will connect. The bore diameter of the coupling should match the shaft diameters for a proper fit.
- Determine the Coupling Size: The coupling’s size is typically specified by its outside diameter and length. Ensure that the selected coupling size fits within the available space in the mechanical system.
- Consider Misalignment Compensation: Oldham couplings can accommodate angular misalignment. However, it’s essential to check the coupling’s rated misalignment capability to ensure it meets the application’s requirements.
- Check Operating Speed: Verify that the selected coupling can handle the rotational speed (RPM) of the application without exceeding its critical speed.
- Factor in Environmental Conditions: If the coupling will be exposed to harsh environmental conditions or corrosive substances, choose a material that can withstand these conditions.
Once you have gathered all the necessary information and made the calculations, you can select the appropriate Oldham coupling that meets the requirements of your specific application. It’s important to consult with coupling manufacturers or engineering experts to ensure the coupling’s compatibility and reliability in your system.
Transmission of Torque in Oldham Couplings
An Oldham coupling is designed to transmit torque between two shafts that are misaligned but parallel to each other. It consists of three components: two hubs (also known as drive hubs) and a center disc. The hubs are connected to their respective shafts, while the center disc sits between them.
The center disc of the Oldham coupling is characterized by slots or keyways on its opposite sides, which engage with the hubs. The slots allow the center disc to slide or float within the hubs while maintaining a constant angular velocity between the shafts.
When torque is applied to the drive hub on one side, it induces a rotational force on the center disc. This rotational force is then transferred to the other drive hub, which results in torque transmission to the second shaft. The center disc acts as an intermediary between the two hubs, compensating for any axial or radial misalignment between the shafts.
Regarding the question of different shaft diameters, the Oldham coupling can accommodate shafts with different diameters as long as the hub design allows for a secure connection. The keyways or slots in the center disc and hubs should be compatible with the shaft dimensions to ensure proper torque transmission and to prevent slippage or damage.
It is essential to select the appropriate size and design of the Oldham coupling to match the shaft diameters and to ensure reliable torque transmission while accommodating any misalignment between the shafts.
editor by CX 2023-11-28
China manufacturer Flexible Jaw Cross Sliding Set Screw Type and Clamp Type Aluminum Shaft Oldham Coupling oldham coupling
Product Description
| Product Name | Oldham coupling |
| Material | Aluminum |
| Type | OC16-63 |
| Structure | Setscrew and Clamp |
| Bore size | 3-30mm |
| Weight | 7-450 g/pcs |
| packing | plastic bag +paper box +wooden box +wooden pallet |
1. Engineering: machine tools, foundry equipments, conveyors, compressors, painting systems, etc.
2. Pharmaceuticals& Food Processing: pulp mill blowers, conveyor in warehouse, agitators, grain, boiler, bakery machine, labeling machine, robots, etc.
3. Agriculture Industries: cultivator, rice winnower tractor, harvester, rice planter, farm equipment, etc.
4. Texitile Mills: looms, spinning, wrappers, high-speed auto looms, processing machine, twister, carding machine, ruler calendar machine, high speed winder, etc.
5. Printing Machinery: newspaper press, rotary machine, screen printer machine, linotype machine offset printer, etc.
6. Paper Industries: chipper roll grinder, cut off saw, edgers, flotation cell and chips saws, etc.
7. Building Construction Machinery: buffers, elevator floor polisher mixing machine, vibrator, hoists, crusher, etc.
8. Office Equipments: typewriter, plotters, camera, money drive, money sorting machine, data storage equipment, etc.
9. Glass and Plastic Industries: conveyor, carton sealers, grinders, creeper paper manufacturing machine, lintec backing, etc.
10. Home Appliances: vacuum cleaner, laundry machine, icecream machine, sewing machine, kitchen equipments, etc.
Typical Applications of Oldham Couplings
Oldham couplings find various applications in different industries due to their unique features and benefits. Some typical applications include:
1. Industrial Machinery: Oldham couplings are commonly used in industrial machinery, such as conveyor systems, packaging machines, and assembly lines. They help transmit torque between shafts while accommodating misalignment, reducing vibration, and protecting sensitive components.
2. Robotics and Automation: Oldham couplings are employed in robotics and automation systems to connect motor shafts and other mechanical components. Their ability to handle misalignment and their compact design make them suitable for precision movements and robotic applications.
3. Printing and Labeling: In printing and labeling machines, Oldham couplings are utilized to connect rollers and drive shafts. They ensure accurate and reliable torque transmission while allowing for angular misalignment that may occur during operation.
4. Medical Equipment: Oldham couplings are used in medical equipment, such as imaging devices and surgical instruments. Their low backlash and smooth operation are crucial for precise positioning and reducing wear on sensitive medical components.
5. Automotive Industry: In automotive applications, Oldham couplings are used in various systems, including windshield wipers, power seat adjustments, and steering mechanisms. They aid in transferring torque smoothly and maintaining alignment even in dynamic conditions.
6. Textile Machinery: Textile manufacturing equipment often incorporates Oldham couplings to connect spindles and other rotating components. These couplings allow for misalignment while delivering reliable power transmission in high-speed textile processes.
7. Food and Beverage Processing: Oldham couplings are suitable for food and beverage processing machinery, where hygiene and precision are critical. They help connect drive shafts in mixers, conveyors, and packaging equipment.
8. Aerospace and Defense: In aerospace and defense applications, Oldham couplings are used in systems that require reliable torque transmission while compensating for misalignment and vibration. They can be found in various aircraft and defense equipment.
These are just a few examples of the many applications where Oldham couplings play a vital role in ensuring smooth and efficient power transmission and minimizing the wear and tear of mechanical systems.
Differences Between Oldham Couplings and Other Types of Flexible Couplings
Oldham couplings are a type of flexible coupling used in mechanical systems to transmit torque between two shafts. Here are some key differences between Oldham couplings and other types of flexible couplings:
- Mechanism of Torque Transmission: Oldham couplings use a sliding motion between the center disc and the hubs to transmit torque. The center disc has slots that engage with pins on the hubs, allowing for torque transmission while accommodating misalignment. In contrast, other flexible couplings, such as jaw couplings or beam couplings, typically use elastic materials or flexible elements like rubber or springs to transmit torque.
- Misalignment Compensation: Oldham couplings are specifically designed to handle angular misalignment between shafts. They can accommodate parallel misalignment to a limited extent but are not well-suited for axial misalignment. Other flexible couplings like beam couplings or bellows couplings may offer more comprehensive misalignment compensation, including axial misalignment.
- Backlash: Oldham couplings have a small amount of backlash due to the clearance between the center disc and the hubs. This backlash can be beneficial in some applications to reduce shock loads and vibrations. However, other flexible couplings like beam couplings or jaw couplings may have minimal or zero backlash.
- Construction and Materials: Oldham couplings are typically made of materials like aluminum for the hubs and center disc, and acetal or other plastics for the center disc’s sliding parts. Other flexible couplings come in various materials, including aluminum, stainless steel, elastomers, and composite materials, depending on the application’s requirements.
- Operating Speed: Oldham couplings are suitable for moderate to high rotational speeds, but their speed limitations depend on the material and design. Some other flexible couplings, such as bellows couplings, can handle even higher speeds due to their construction.
- Applications: Oldham couplings are commonly used in applications that require moderate torque transmission and angular misalignment compensation, such as pumps, packaging machines, and automation equipment. Other flexible couplings are used in a wide range of applications, including motion control systems, robotics, aerospace, and automotive industries, where specific coupling characteristics are needed.
Choosing the right flexible coupling depends on the specific requirements of the application, including torque, misalignment, speed, space constraints, and environmental conditions. Engineers and designers should carefully consider these factors to select the most appropriate coupling for their mechanical system.
What is an Oldham Coupling and How Does It Function in Mechanical Systems?
An Oldham coupling is a type of flexible coupling used in mechanical systems to transmit torque between two shafts that are misaligned. It consists of three main components: two hubs or discs and a middle block. The two hubs are connected to the respective shafts, and the middle block sits in between them.
The key feature of the Oldham coupling is the middle block, which has slots on its opposite faces and is connected to the hubs using pins or keys. The slots in the middle block are oriented perpendicular to each other, allowing the middle block to move in a plane perpendicular to the axis of the shafts.
When torque is applied to one shaft, it is transmitted to the middle block of the coupling. Due to the slots, the middle block can slide laterally as the shafts rotate, accommodating both angular and axial misalignments between the shafts. This sliding action helps to reduce the reaction forces and wear that would otherwise occur in rigid couplings when misalignment is present.
Oldham couplings are known for their ability to provide constant velocity transmission even when misalignment exists. They do not have any backlash, which means there is minimal play between the coupling components during rotation. This feature makes them suitable for precision applications where accurate torque transmission and positioning are required.
One of the main advantages of the Oldham coupling is that it effectively isolates the connected shafts from each other, which can help in reducing vibrations and noise. Additionally, it can compensate for parallel misalignment between the shafts, making it ideal for applications where parallel shafts need to be connected while allowing some degree of misalignment.
Oldham couplings are commonly used in various industrial machinery and automation systems, including CNC machines, robotics, printing presses, and conveyor systems. They are particularly useful in applications where precise torque transmission, misalignment compensation, and low maintenance are essential.
editor by CX 2023-10-19
High manufacturer Quality Flexible Aluminum Coupling Jm-25 for Motor and Ball Screw Type Coupling with ce certificate top quality low price
Product Description
High Quality Flexible CZPT CZPT Jm-25 for CZPT and Ball CZPT Type CZPT
Quick Details
Structure: Jaw / Spider
Flexible or Rigid: Flexible
Standard or CZPT standard: Standard
Material: Aluminium
Brand Name: YD
Place of Origin: ZheJiang , CZPT (Mainland)
Certificate: ISO9001:2008
Bore forming: Made by CNC centres
Unique Feature: Exquisite Workmanship
Bore Size: Meet inch dimension
Invertory: In stock
Spider color: Red (Green and Yellow selected)
Model Number:5 mm*8mm**25 mm
inner Bore Dmin: 3-14mm
Inner Bore Dmax: 10-45mm
Diameter: 30mm
Length: 20-114mm
Allowable speed: 15200min-1
Invertory: In stock
Introduction of coupling
Coupling is used to link the two different organization shafts (positive shaft and driven shaft) together with the transfer of the rotating torque of mechanical parts. In the overloaded CZPT transmission, some coupling can improve the vibration and reduce shaft system dynamic performance of the role. It consist of 2 parts, positive shaft and driven shafts . Generally speaking, CZPT run by coupling and most work be connected to the machine.
Features:
1.Coupling assembled by pressing a polyurethane sleeve into hubs on both sides
2.Could absorb the vibration parallel ,angular misalignments and shaft end-play
3. Resistance to oil and electrical insulation
4.Identical clockwise and anticlockwise rotational characteristics
5.Three different hardness sleeves are CZPT
6.flexible coupling
7.ISO 9001:2008 qaulified
8.Made to drawing and order
9.Fast delivery and response
10.Clamp type
Dimensions:
| Model
|
Inner Diameter | Outer Diameter |
Length | Torque(N.M.) | |||
| D1 | D2 | ||||||
| Min. | Max. | Min. | Max. | ||||
| JM14 | 3 | 7 | 3 | 7 | 14 | 22 | 0.7 |
| JM16 | 3 | 7 | 3 | 7 | 16 | 22 | 0.7 |
| JM20 | 4 | 10 | 4 | 10 | 20 | 30 | 1.7 |
| JM25 | 4 | 12 | 4 | 12 | 25 | 34 | 1.7 |
| JM30 | 5 | 16 | 5 | 16 | 30 | 35 | 1.7 |
| JM40 | 6 | 24 | 6 | 24 | 40 | 66 | 4.0 |
| JM55 | 8 | 28 | 8 | 28 | 55 | 78 | 4.0 |
| JM65 | 10 | 38 | 10 | 38 | 65 | 90 | 15.0 |
| JM80 | 12 | 45 | 12 | 45 | 80 | 114 | 15.0 |
| JM95 | 14 | 55 | 14 | 55 | 95 | 126 | 15.0 |
| JM105 | 15 | 62 | 15 | 62 | 105 | 140 | 15.0 |
| JM120 | 20 | 74 | 20 | 74 | 120 | 160 | 32.0 |
| JM135 | 22 | 80 | 22 | 80 | 135 | 185 | 32.0 |
Packaging Details:
Wooden or ply cases for export standard or according to the CZPT ers
Delivery Detail:3-5 days after receiving the 30% deposit
