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 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.

/* 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

View More

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.

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.

How an Oldham Coupling Accommodates Misalignment Between Shafts

An Oldham coupling accommodates misalignment between shafts through its unique design, which consists of three main components:

1. Two Hubs: Each hub is attached to the shaft of the connected equipment. The hubs have a series of slots around their circumference.
2. Middle Block: The middle block fits between the two hubs and has perpendicular slots on its inner diameter. It connects the two hubs while allowing relative movement between them.

When the shafts experience angular or axial misalignment, the middle block slides within the slots of both hubs. The perpendicular slots on the middle block engage with the slots on the hubs, creating a parallelogram linkage.

This parallelogram linkage allows the Oldham coupling to compensate for angular misalignment by enabling the hubs to rotate independently about their own axes. The sliding action of the middle block accommodates axial misalignment by allowing the hubs to move slightly closer or farther apart.

The use of sliding contact instead of direct physical contact between the hubs minimizes friction, backlash, and wear, making the Oldham coupling an efficient and reliable method for transmitting torque while accommodating misalignment.

Overall, the Oldham coupling’s ability to handle both angular and axial misalignment ensures smooth and precise torque transmission between shafts, reducing stress on connected equipment and extending the lifespan of mechanical components.

editor by CX 2024-05-10

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 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.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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.

Real-World Examples of Oldham Coupling Usage in Mechanical Engineering

Oldham couplings are widely used in various mechanical engineering applications due to their ability to transmit torque while compensating for angular misalignment. Here are some real-world examples of Oldham coupling usage:

• Packaging Machinery: Oldham couplings are commonly employed in packaging machines that require precise and continuous motion. These couplings help connect the motor shaft to various components in the packaging process, such as conveyor belts, rollers, and cutting blades.
• Automated Assembly Lines: In automated assembly lines, Oldham couplings are utilized to transfer torque from the motor to the robotic arms or handling mechanisms. The couplings enable smooth and accurate movement, ensuring precise positioning of components during assembly.
• Printing Equipment: Printing machines utilize Oldham couplings to transmit power from the motors to the printing cylinders and rollers. The couplings accommodate any misalignment between the shafts and minimize vibration, resulting in improved print quality.
• Material Handling Systems: Material handling systems, such as conveyor systems, use Oldham couplings to connect drive motors to the conveyor belts. These couplings facilitate the efficient transfer of goods while compensating for any misalignment that may occur during operation.
• Industrial Pumps: Oldham couplings are employed in industrial pumps to transfer power from the motor to the pump impeller. They aid in absorbing vibration and maintaining alignment, which is crucial for the pump’s optimal performance and longevity.
• Medical Devices: Some medical devices, such as scanning equipment and diagnostic machines, incorporate Oldham couplings to ensure precise and reliable motion, contributing to accurate medical imaging and diagnosis.

These examples demonstrate the versatility of Oldham couplings in various mechanical engineering applications. Their ability to handle misalignment, reduce vibration, and transmit torque makes them a valuable component in many industrial sectors.

Materials Used in Manufacturing Oldham Couplings

Oldham couplings are commonly made from various materials to suit different application requirements. The choice of material depends on factors such as torque capacity, operating conditions, and environmental considerations. Some of the commonly used materials in manufacturing Oldham couplings include:

• Aluminum: Aluminum is a popular choice for Oldham couplings due to its lightweight and excellent machinability. It is suitable for low to medium torque applications and offers good corrosion resistance.
• Stainless Steel: Stainless steel is known for its high strength, corrosion resistance, and durability. Oldham couplings made from stainless steel are ideal for applications requiring higher torque transmission and operating in harsh or corrosive environments.
• Acetal: Acetal, also known as Delrin, is a thermoplastic material with good mechanical properties. It provides low friction and wear resistance, making it suitable for applications where reduced friction is essential.
• Nylon: Nylon is another thermoplastic material used in Oldham couplings. It offers good chemical resistance and is often chosen for applications with moderate torque requirements.
• Carbon Steel: Carbon steel is robust and cost-effective, making it suitable for heavy-duty applications. It has high strength and can handle higher torque loads compared to some other materials.
• Brass: Brass is a durable metal that offers good corrosion resistance. Oldham couplings made from brass are suitable for certain industrial and marine applications.

The material selection for an Oldham coupling depends on factors such as the torque to be transmitted, operating speed, environmental conditions, and budget constraints. Manufacturers often offer a range of material options to meet the diverse needs of different industries and applications.

editor by CX 2024-02-15