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China manufacturer Gh-16X18 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

 

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oldham coupling

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.

oldham coupling

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.

oldham coupling

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.

China manufacturer Gh-16X18 Oldham Type Coupling Cross Sliding Set Screw Coupling  oldham couplingChina manufacturer Gh-16X18 Oldham Type Coupling Cross Sliding Set Screw Coupling  oldham coupling
editor by CX 2024-02-14