Product Description
Flexible Oldham Coupling Set Screw/Clamp Type Shaft Coupling for Servo Motor
Description of Flexible Oldham Coupling Set Screw/Clamp Type Shaft Coupling for Servo Motor
1.Zero rotation gap
2. High torque rigidity
3. Allow a large amount of deviation adjustment
4. Vibration absorption
5. Good electrical insulation
6. Simple structure and easy installation
Parameter of Flexible Oldham Coupling Set Screw/Clamp Type Shaft Coupling for Servo Motor
Dimension
| Item | Bore Size | D | L | L1/L2 | F | G | M | Torque N.m |
|||
| d1 | d2 | ||||||||||
| Min | Max | Min | Max | ||||||||
| JH16 | 3 | 6.35 | 3 | 6.35 | 16 | 18 | 7 | 3.5 | M3 | – | 0.7 |
| JH16C | 4 | 6 | 4 | 6 | 29 | 12.5 | 3.5 | – | M2.5 | 1.5 | |
| JH20 | 4 | 8 | 4 | 8 | 20 | 23 | 9 | 4.5 | M4 | – | 1.7 |
| JH20C | 4 | 8 | 4 | 8 | 33 | 14 | 3.5 | – | M3 | 1.5 | |
| JH25 | 5 | 12 | 5 | 12 | 25 | 28 | 11 | 5.5 | M5 | – | 4 |
| JH25C | 5 | 12 | 5 | 12 | 39 | 16.5 | 3.5 | – | M3 | 1.5 | |
| JH32 | 5 | 16 | 5 | 16 | 32 | 33 | 13 | 6.5 | M6 | – | 7 |
| JH32C | 5 | 16 | 5 | 16 | 45 | 19 | 4.5 | – | M4 | 2.5 | |
| JH40 | 8 | 20 | 8 | 20 | 40 | 35 | 14 | 7 | M6 | – | 7 |
| JH40C | 8 | 20 | 8 | 20 | 50 | 23 | 7 | – | M5 | 4 | |
| JH50 | 12 | 24 | 12 | 24 | 50 | 38 | 17 | 8.5 | M8 | – | 15 |
| JH50C | 12 | 24 | 12 | 24 | 58 | 27 | 8 | – | M6 | 8 | |
| JH63 | 14 | 30 | 14 | 30 | 63 | 47 | 21 | 10.5 | M10 | – | 8 |
| JH63C | 14 | 30 | 14 | 30 | 71 | 33 | 10 | – | M8 | 16 | |
Specification
| Item | Rated Torque (Nm) |
Max. Torque (Nm) |
Allowable Speed (min-1) |
Torsional Stiffness N.m/rad |
Moment of Inertia 10-6kgm2 |
Iateral (mm) |
Angular (.) |
Net weight (g) |
| JH16 | 0.7 | 1.4 | 12000 | 31 | 0.32 | 1 | 3 | 7 |
| JH16C | 0.58 | 12 | ||||||
| JH20 | 1.2 | 2.4 | 10000 | 60 | 1 | 1.5 | 3 | 14 |
| JH20C | 1.5 | 19 | ||||||
| JH25 | 2 | 4 | 8000 | 140 | 3 | 2 | 3 | 27 |
| JH25C | 4.4 | 36 | ||||||
| JH32 | 4.5 | 9 | 7000 | 280 | 9.5 | 2.5 | 3 | 50 |
| JH32C | 14 | 69 | ||||||
| JH40 | 9 | 18 | 4800 | 540 | 23 | 3 | 3 | 80 |
| JH40C | 41 | 130 | ||||||
| JH50 | 18 | 36 | 3000 | 820 | 67 | 3.5 | 3 | 150 |
| JH50C | 120 | 230 | ||||||
| JH63 | 36 | 72 | 2800 | 1900 | 220 | 4 | 3 | 300 |
| JH63C | 370 | 450 |
Order Example
| Item | D | C | d1 | d2 |
| JH | 16 | Clamp Type | 3 | 3 |
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Can flexible couplings be used in precision motion control systems?
Yes, flexible couplings can be used in precision motion control systems, but careful consideration must be given to their selection and application. Precision motion control systems require high accuracy, repeatability, and minimal backlash. Flexible couplings can play a crucial role in such systems when chosen appropriately and used in the right conditions.
Selection Criteria: When selecting a flexible coupling for a precision motion control system, several key factors should be considered:
- Backlash: Look for couplings with minimal or no backlash to ensure accurate motion transmission and precise positioning.
- Torsional Stiffness: Choose a coupling with sufficient torsional stiffness to minimize torsional deflection and maintain accurate motion control.
- Misalignment Compensation: Ensure the coupling can accommodate the required misalignment without introducing significant variations in motion accuracy.
- Dynamic Performance: Evaluate the coupling’s dynamic behavior under varying speeds and loads to ensure smooth and precise motion control during operation.
- Material and Construction: Consider the material and construction of the coupling to ensure it can withstand the specific environmental conditions and loads of the motion control system.
- Size and Space Constraints: Choose a compact and lightweight coupling that fits within the available space and does not add excessive inertia to the system.
Applications: Flexible couplings are commonly used in precision motion control systems, such as robotics, CNC machines, semiconductor manufacturing equipment, optical systems, and high-precision measurement instruments. They help transmit motion from motors to various components, such as lead screws, spindles, or precision gears, while compensating for misalignments and providing shock and vibration absorption.
Specialized Couplings: For ultra-high precision applications, specialized couplings, such as zero-backlash or torsionally rigid couplings, may be preferred. These couplings are designed to provide precise motion transmission without any play or torsional deflection, making them suitable for demanding motion control tasks.
Installation and Alignment: Proper installation and alignment are critical to achieving optimal performance in precision motion control systems. Precise alignment of the coupling and connected components helps maintain accurate motion transmission and minimizes eccentricities that could impact the system’s precision.
Summary: Flexible couplings can indeed be used in precision motion control systems when chosen and applied correctly. By considering factors like backlash, torsional stiffness, misalignment compensation, and dynamic performance, users can select the right coupling to ensure high accuracy, repeatability, and reliable motion control in their specific application.
What are the factors influencing the thermal performance of a flexible coupling?
The thermal performance of a flexible coupling can be influenced by several factors, including:
- Material Composition: The material used in the construction of the flexible coupling can impact its thermal performance. Different materials have varying thermal conductivity and heat resistance properties, which can affect how well the coupling dissipates heat generated during operation.
- Operating Speed: The rotational speed of the flexible coupling can influence its thermal behavior. Higher speeds can result in increased friction, leading to more heat generation. Couplings designed for high-speed applications often incorporate features to manage and dissipate heat effectively.
- Power Transmission: The amount of power transmitted through the flexible coupling plays a role in its thermal performance. Higher power levels can lead to increased heat generation, and the coupling must be designed to handle and dissipate this heat without compromising its integrity.
- Environmental Conditions: The ambient temperature and surrounding environment can impact the thermal performance of the flexible coupling. In high-temperature environments, the coupling may need to dissipate heat more efficiently to avoid overheating.
- Lubrication: Proper lubrication is essential for managing friction and heat generation within the coupling. Insufficient or inappropriate lubrication can lead to increased wear and heat buildup.
- Design and Geometry: The design and geometry of the flexible coupling can influence its thermal performance. Some coupling designs incorporate features such as cooling fins, ventilation, or heat sinks to enhance heat dissipation.
- Load Distribution: The distribution of loads across the flexible coupling can affect how heat is generated and dissipated. Proper load distribution helps prevent localized heating and reduces the risk of thermal issues.
Manufacturers consider these factors during the design and selection of flexible couplings to ensure they can handle the thermal demands of specific applications. Proper application and maintenance of the flexible coupling are also essential for optimizing its thermal performance and overall efficiency.
Can flexible couplings be used in applications with varying operating temperatures?
Yes, flexible couplings can be used in applications with varying operating temperatures. The suitability of a flexible coupling for a specific temperature range depends on its design and the materials used in its construction. Different types of flexible couplings are available to handle a wide range of temperature conditions, making them versatile for use in various industries and environments.
High-Temperature Applications:
For applications with high operating temperatures, such as those found in certain industrial processes, exhaust systems, or high-temperature machinery, flexible couplings made from materials with excellent heat resistance are used. These materials may include stainless steel alloys, heat-treated steels, or specialized high-temperature elastomers. High-temperature flexible couplings are designed to maintain their mechanical properties, including flexibility and torque transmission capabilities, even at elevated temperatures.
Low-Temperature Applications:
Conversely, for applications in extremely cold environments or cryogenic processes, flexible couplings constructed from materials with low-temperature resistance are employed. These couplings are designed to remain flexible and functional at very low temperatures without becoming brittle or losing their ability to handle misalignment. Some low-temperature couplings may use special polymers or elastomers with excellent cold-temperature performance.
Temperature Range Considerations:
When selecting a flexible coupling for applications with varying operating temperatures, it is essential to consider the specific temperature range in which the coupling will operate. Some flexible couplings have a wider temperature range, allowing them to function effectively in both high and low-temperature environments. However, in extreme temperature conditions, specialized couplings may be necessary to ensure reliable performance and prevent premature failure.
Manufacturer Guidelines:
Manufacturers of flexible couplings provide guidelines and specifications regarding the temperature range of their products. It is crucial to consult the manufacturer’s documentation to ensure that the chosen coupling is suitable for the intended operating temperature of the application. Using a coupling beyond its recommended temperature range can lead to performance issues, reduced efficiency, or even failure.
Applications:
Flexible couplings with varying temperature resistance find use in numerous industries, including aerospace, automotive, manufacturing, power generation, and more. Whether in high-temperature exhaust systems, low-temperature cryogenic processes, or regular industrial applications with temperature fluctuations, flexible couplings play a vital role in providing reliable power transmission and misalignment compensation.
In summary, flexible couplings can be effectively used in applications with varying operating temperatures, provided that the coupling’s design and material properties align with the specific temperature requirements of the application.
editor by CX 2024-03-18
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