Product Description

Good Quality Flexible Beam Coupling for CNC Machine

 

Description of Good Quality Flexible Beam Coupling for CNC Machine

1. One-piece metallic beam coupling
2. Zero backlash, flexible shaft
3. Spiral and parallel cut designs available
4. Accommodates misalignment and shaft endplay
5. Identical clockwise and counterclockwise rotation
6. Available in aluminum or stainless steel
7. Multiple bore and shaft connecting configurations
 

Parameter of Good Quality Flexible Beam Coupling for CNC Machine

Model	D (mm)	L (mm)	d1-d2 (mm)	hex screw	L1 (mm)	L2 (mm)	L3 (mm)	Fasten Torque (n.m)
LR-D-D15L20	15	20	3.0-8.0	M3.	2.5	2	0.4	1.2
LR-D-D19L25	19	25	6.0-10.0	M3.	3	2	0.4	1.2
LR-D-D25L30	25	30	8.0-12.0	M4	4	2	0.4	2.5
LR-D-D30L35	30	35	8.0-18.0	M4	4	2.5	0.5	2.5
LR-D-D35L40	35	40	8.0-22.0	M5	5	2.5	0.5	5
LR-D-D40L45	40	45	10.0-28.0	M6	6	3.5	0.6	8

Model	Max bore (mm)	Rated Torque (n.m)	Max Torque (n.m)	Max speed (rpm)	Moment of Inertia (kg.m2)	Permissible Radial Deviation (degree)	Permissible Angular Deviation (degree)
LR-D-D15L20	8	0.5	1	30000	2.5*10-7	0.05	0.5
LR-D-D19L25	10	1	2	25000	5.8*10-7	0.05	0.5
LR-D-D25L30	12	1.5	3	18000	1.8*10-6	0.05	0.5
LR-D-D30L35	18	2	4	16000	4.7*10-6	0.05	0.5
LR-D-D35L40	22	3	6	14000	1.1*10-5	0.05	0.5
LR-D-D40L45	28	6	12	12000	2.3*10-5	0.05	0.5

Model	D (mm)	L (mm)	d1-d2 (mm)	Fasten Torque (n.m)
LT-D-D15L20	15	20	4.0-5.0	0.7
LT-D-D19L25	19	25	6.0-10.0	0.7
LT-D-D25L30	25	30	8.0-12.0	0.7
LT-D-D30L35	30	35	8.0-18.0	1.7
LT-D-D35L40	35	40	8.0-22.0	4
LT-D-D40L45	40	45	10.0-28.0	4

Model	Max bore (mm)	Rated Torque (n.m)	Max Torque (n.m)	Max speed (rpm)	Moment of Inertia (kg.m2)	Permissible Radial Deviation (degree)	Permissible Angular Deviation (degree)
LT-D-D15L20	5	0.5	1	30000	2.5*10-7	0.05	0.5
LT-D-D19L25	10	1	2	25000	5.8*10-7	0.05	0.5
LT-D-D25L30	12	1.5	3	18000	1.8*10-6	0.05	0.5
LT-D-D30L35	18	2	4	16000	4.7*10-6	0.05	0.5
LT-D-D35L40	22	3	6	14000	1.1*10-5	0.05	0.5
LT-D-D40L45	28	6	12	12000	2.3*10-5	0.05	0.5

 

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Torque and Speed Ratings for Different Sizes and Materials of Beam Couplings

The torque and speed ratings of beam couplings vary depending on their size, design, and material composition. Different manufacturers offer beam couplings in various configurations to meet specific application requirements. Here are some general considerations regarding torque and speed ratings for different sizes and materials of beam couplings:

• Size and Design:

  Beam couplings come in different sizes and designs to accommodate various shaft diameters and misalignment compensation needs. Larger beam couplings typically have higher torque ratings, as their size allows for more robust construction and increased torsional rigidity. Likewise, different designs, such as single-beam, multi-beam, or bellows couplings, can affect the torque and speed capabilities.

• Material Composition:

  The choice of material for beam couplings significantly impacts their torque and speed ratings. Common materials used in beam couplings include stainless steel, aluminum, and other high-strength alloys. Stainless steel couplings generally have higher torque ratings and are more suitable for high-speed applications due to their excellent mechanical properties and resistance to wear and corrosion.

• Manufacturer Specifications:

  Each manufacturer provides specific torque and speed ratings for their beam coupling products. These ratings are determined through extensive testing and analysis to ensure reliable and safe operation within the specified limits. Always refer to the manufacturer’s datasheets and technical documentation for accurate and up-to-date information on torque and speed ratings.

• Operating Environment:

  The operating environment can also influence the torque and speed ratings of beam couplings. Factors such as temperature, humidity, and exposure to chemicals or harsh conditions may affect the material properties and performance of the coupling. Consider the application’s specific environment when selecting the appropriate coupling.

It is crucial to choose a beam coupling that matches the torque and speed requirements of your application. Exceeding the rated torque or speed can lead to premature wear, coupling failure, and potential damage to other system components. Conversely, selecting a coupling with excessive torque or speed capacity may result in unnecessary costs and reduced system efficiency.

When selecting a beam coupling, always consult the manufacturer’s documentation and consider the specific application requirements to ensure that the chosen coupling can handle the intended torque and speed levels effectively and safely.

Real-World Examples of Successful Beam Coupling Installations and Their Benefits

Beam couplings have been widely adopted in various industries, and there are numerous real-world examples of successful installations showcasing their benefits. Here are some specific cases:

• Industrial Automation:

  In a factory automation setting, beam couplings are used in robotic arms and automated machinery to transmit torque between motors and actuators. The flexibility of beam couplings helps compensate for minor misalignments, reducing wear on connected components and enhancing system reliability. Additionally, the low inertia of beam couplings enables faster response times, improving the overall efficiency of the automated systems.

• Medical Robotics:

  Medical robots, such as surgical robots and diagnostic equipment, rely on precise and smooth motion control. Beam couplings, with their low backlash and high torsional stiffness, ensure accurate positioning and reduced vibration. The stainless-steel construction of some medical-grade beam couplings makes them suitable for sterilization processes, ensuring compliance with medical industry requirements.

• Photonic Systems:

  In optical systems and laser equipment, beam couplings are used to connect stepper motors and motion stages. The damping properties of beam couplings help reduce vibrations, preventing optical misalignment and maintaining the stability of laser beams. This is critical for high-precision applications like laser cutting and micromachining.

• Satellite Components:

  Beam couplings find applications in satellite components, where weight and size constraints are critical. Aluminum or lightweight alloys are used to minimize the overall mass while providing reliable power transmission between actuators and mechanisms. The low inertia of beam couplings contributes to smoother satellite movements and precise adjustments in space.

• Renewable Energy Systems:

  Beam couplings are employed in renewable energy systems, such as solar tracking mechanisms and wind turbine pitch control systems. Their ability to handle harsh environmental conditions, such as wind and weather exposure, ensures consistent and efficient energy production. The use of non-magnetic materials in some couplings prevents interference with sensitive electronics.

The benefits of successful beam coupling installations in these real-world examples include:

• Improved Precision: Beam couplings provide accurate torque transmission, reducing positioning errors and enhancing the precision of motion control systems.
• Enhanced Reliability: The flexibility of beam couplings compensates for misalignments, reducing stress on connected components and extending the lifespan of the motion system.
• Reduced Vibrations: Beam couplings dampen vibrations, leading to smoother movements and preventing resonance-induced failures.
• Weight and Space Savings: In applications with weight and space constraints, beam couplings’ lightweight design is advantageous.
• Cost-Effectiveness: Beam couplings offer a cost-effective solution for motion control, especially when compared to more complex coupling options.

These successful installations demonstrate the versatility and effectiveness of beam couplings across various industries, highlighting their ability to improve motion system performance, reliability, and efficiency.

Selecting the Appropriate Beam Coupling for Your Motion Control Needs

Choosing the right beam coupling for your specific motion control needs involves considering several factors to ensure optimal performance and reliability. Here’s a step-by-step guide to help you make an informed decision:

1. Identify Application Requirements:

   Start by understanding the specific requirements of your motion control application. Consider factors such as the type and amount of misalignment, torque capacity, shaft sizes, operating environment, speed, and precision requirements.

2. Types of Beam Couplings:

   Familiarize yourself with the different types of beam couplings available, such as single-beam, multi-beam, bellows, servo disc, slit, step beam, and jaw couplings with beam elements. Each type has unique characteristics that cater to different motion control needs.

3. Misalignment Compensation:

   Assess the level of misalignment in your application. If you require compensation for angular, axial, and parallel misalignment, multi-beam or bellows couplings might be suitable. For primarily angular misalignment, a single-beam coupling could be sufficient.

4. Torsional Rigidity:

   Consider the required torsional rigidity for precise motion control. Servo disc couplings offer high torsional rigidity and low backlash, making them ideal for precision applications, while slit couplings provide more torsional flexibility and vibration dampening.

5. Environmental Factors:

   Take into account the operating environment, including temperature, humidity, and exposure to chemicals. Choose a beam coupling with materials that can withstand the environmental conditions of your application.

6. Speed and Torque Capacity:

   Evaluate the speed and torque requirements of your motion control system. Ensure that the selected coupling can handle the specified torque while maintaining the desired speed without compromising performance.

7. Space Constraints:

   If your application has limited space, consider compact designs like single-beam or slit couplings. These types can efficiently fit into tight spaces while providing the necessary misalignment compensation.

8. Backlash and Precision:

   For applications that demand minimal backlash and high precision, servo disc couplings are a suitable choice due to their exceptional torsional rigidity and accurate torque transmission.

9. Vibration Dampening:

   If your system requires vibration dampening to protect sensitive components or improve overall performance, consider beam couplings with features like slits or bellows.

10. Customization Options:

    Check if the coupling supplier offers customization options. Some manufacturers can tailor the beam coupling to meet specific application requirements, providing an optimal solution for your motion control needs.

11. Consult with Experts:

    If you are uncertain about the best beam coupling choice for your application, consult with motion control experts or the coupling manufacturer’s technical support team. They can offer valuable insights and recommendations based on your specific needs.

By carefully evaluating these factors and considering the advantages and limitations of each beam coupling type, you can select the most appropriate coupling for your motion control needs. Making the right choice will contribute to the efficiency, reliability, and longevity of your motion control system.

editor by CX 2024-01-19