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 |
/* 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
Simultaneous Handling of Axial Motion and Angular Misalignment by Beam Couplings
Beam couplings are designed to handle both axial motion and angular misalignment simultaneously in motion control systems. Their unique helical beam design allows them to accommodate various types of misalignment, providing flexibility in multiple axes. Let’s explore how beam couplings achieve this:
1. Axial Motion:
Beam couplings can compensate for axial motion, which occurs when the two connected shafts are not collinear and have some linear offset along their common axis. The helical beams of the coupling can elongate or compress to absorb the axial movement between the shafts. This axial flexibility enables the coupling to maintain a continuous and efficient connection even when the shafts experience slight linear displacement.
2. Angular Misalignment:
Angular misalignment refers to the situation where the two shafts are not perfectly aligned and are at an angle to each other. Beam couplings handle angular misalignment by allowing the helical beams to flex, bending at an angle to accommodate the misaligned shafts. The flexible beams can twist and adjust their shape as needed, providing a reliable connection between the shafts and transmitting torque efficiently.
3. Simultaneous Handling:
What makes beam couplings advantageous is their ability to handle both axial motion and angular misalignment simultaneously. As the shafts experience angular misalignment, the helical beams can flex to compensate for the misalignment angle. At the same time, if there is any axial motion between the shafts, the beams can elongate or compress to absorb the linear offset. This simultaneous handling of axial motion and angular misalignment allows beam couplings to maintain smooth operation and effective torque transmission even in applications with complex misalignment requirements.
It is essential to select the appropriate size and type of beam coupling based on the specific application’s misalignment characteristics and torque requirements. Properly installed and maintained beam couplings can provide reliable and efficient performance, ensuring accurate motion control and extended system life.
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.
Beam Coupling: Function and Role in Mechanical Systems
A beam coupling, also known as a helical coupling or helical beam coupling, is a type of flexible coupling used in mechanical systems to connect two shafts while compensating for misalignment and transmitting torque. It consists of one or more helical beams (usually made of metal) that connect the shafts and allow for angular, axial, and parallel misalignment while maintaining a torsionally rigid connection. Here’s how a beam coupling functions in mechanical systems:
Structure:
A beam coupling typically has two ends, each with a helical beam. The beams are oriented at opposite angles to create a helix shape. The beams can vary in number, and some designs may include additional features like slits or keyways to enhance flexibility or improve torque capacity.
Misalignment Compensation:
When the two shafts connected by a beam coupling are misaligned, the helical beams flex, allowing the coupling to compensate for different types of misalignment. Angular misalignment occurs when the shafts are not collinear, axial misalignment when they are not on the same axis, and parallel misalignment when the shafts are not at the same height. The flexibility of the helical beams allows the coupling to accommodate these misalignments, reducing the stresses on the connected components.
Torque Transmission:
The helical beams of a beam coupling efficiently transmit torque from one shaft to the other. The beams twist and deform slightly under the applied torque but return to their original shape once the torque is removed. This torsional rigidity ensures that the coupling efficiently transfers rotational power while minimizing backlash and maintaining accurate positioning in motion control systems.
Damping and Vibration Absorption:
Beam couplings can provide some level of vibration dampening due to their inherent flexibility. The slight deformation of the beams can absorb shocks and vibrations, reducing the transmission of vibrations between the connected shafts.
Applications:
Beam couplings find applications in various mechanical systems, including robotics, CNC machines, stepper motor drives, and other motion control systems. They are especially useful in applications that require moderate misalignment compensation, high torsional rigidity, and low backlash.
Considerations:
While beam couplings offer several advantages, they do have some limitations. They may not be suitable for applications with high misalignment requirements or high torque loads, as excessive misalignment or torque can cause premature wear or failure of the coupling. Additionally, beam couplings may have limited axial stiffness, making them less suitable for applications with significant axial loads.
In summary, a beam coupling is a flexible coupling with helical beams that allows for misalignment compensation, efficient torque transmission, and some vibration dampening. Its design and flexibility make it an excellent choice for various mechanical systems, particularly those that require moderate misalignment compensation and high torsional rigidity.
editor by CX 2024-02-14