Product Description

Aluminum Encoder Coupling Beam Coupling

 

Description of Aluminum Encoder Coupling Beam Coupling

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 Aluminum Encoder Coupling Beam Coupling

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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Specific Maintenance Requirements for Prolonging the Life of Beam Couplings

Proper maintenance is essential for prolonging the life and ensuring the optimal performance of beam couplings in motion control systems. While beam couplings are designed for reliability and low maintenance, some specific maintenance practices can help maximize their longevity. Here are the key maintenance requirements:

• Regular Inspection:

  Perform regular visual inspections of the beam couplings to check for signs of wear, damage, or misalignment. Look for any visible cracks, deformations, or signs of corrosion. Detecting issues early can prevent further damage and potential coupling failure.

• Lubrication:

  For couplings with movable components, such as beam couplings with elastomeric elements or bellows, proper lubrication is crucial. Follow the manufacturer’s recommendations for lubrication intervals and use the appropriate lubricants. Lubrication helps reduce friction and wear, ensuring smooth operation.

• Torque Checks:

  Periodically check the tightness of the coupling’s fasteners, such as set screws or clamps. Over time, vibrations and loads can cause these fasteners to loosen. Make sure they are properly tightened to maintain a secure connection between the shafts and the coupling.

• Environmental Protection:

  If the beam couplings are exposed to harsh environments, consider implementing protective measures. Shield the couplings from dirt, dust, moisture, and corrosive substances that could impact their performance and lead to premature wear.

• Alignment Checks:

  Regularly check the alignment of the connected shafts. Misalignment can place additional stress on the coupling and reduce its lifespan. Make any necessary adjustments to ensure proper shaft alignment within the coupling’s specified tolerance.

• Load Capacity:

  Ensure that the beam coupling is operating within its rated load capacity. Avoid exceeding the maximum torque or axial load to prevent overloading the coupling and potential failure.

• Replace Worn Components:

  If any components of the beam coupling show signs of wear or damage beyond their limits, replace them promptly. Continuing to use worn or damaged couplings can lead to unsafe operation and compromise system performance.

By following these specific maintenance requirements, you can prolong the life of beam couplings, reduce the risk of unexpected failures, and maintain the overall efficiency and reliability of your motion control system. Regular inspections and proactive maintenance practices are crucial to ensure trouble-free operation and maximize the lifespan of beam couplings in various applications.

Beam Couplings Accommodating Different Shaft Diameters and Mounting Configurations

Beam couplings are highly versatile and can accommodate different shaft diameters and mounting configurations, making them suitable for a wide range of motion control applications. Their design and construction allow for flexibility in adapting to various shaft sizes and mounting setups. Here’s how beam couplings achieve this:

• Multiple Bore Sizes:

  Beam couplings are available in various bore sizes to match different shaft diameters. Manufacturers offer a wide range of coupling sizes, ensuring that there is an appropriate coupling size available to fit the specific shaft diameter of your application. Some beam couplings come with set screws or clamps that securely fasten onto the shafts, accommodating shafts of different sizes within the coupling’s specified range.

• Clamp or Set Screw Mounting:

  Beam couplings commonly employ clamp or set screw mounting methods to connect to the shafts. Clamp-style couplings use split hubs that can be tightened around the shaft with screws, providing a secure and concentric connection. Set screw couplings, on the other hand, utilize screws to press against the shaft, achieving a firm and non-marring grip.

• Step Bores and Adapters:

  In cases where the shafts have significantly different diameters or when transitioning between metric and imperial measurements, some beam couplings offer step bores or adapter options. Step bores feature multiple bore sizes within the same coupling, allowing for flexibility in accommodating various shaft diameters. Adapters are also available to bridge the gap between different shaft sizes.

• Customization:

  For unique or specialized applications, manufacturers may offer customization options for beam couplings. This could include modifying the bore sizes, lengths, or other design parameters to suit specific shaft dimensions and mounting configurations.

• Compatibility with Misalignment:

  Beam couplings are designed to handle misalignment between the shafts. This characteristic provides additional flexibility during installation, as it can compensate for slight positioning errors or misalignment during assembly.

When selecting a beam coupling for your application, ensure that the chosen coupling size matches the shaft diameters within the specified range. Also, consider the mounting method that best suits your setup, whether it’s clamp-style or set screw-type. For applications with specific requirements, such as adapting between different shaft sizes, explore options with step bores or adapters or inquire about custom solutions from coupling manufacturers.

Overall, the ability of beam couplings to accommodate different shaft diameters and mounting configurations makes them a versatile and widely-used choice in motion control systems across various industries.

Advantages of Using Beam Couplings in Precision Positioning Systems

Beam couplings offer several advantages when used in precision positioning systems. These advantages make them a popular choice for applications that demand accurate motion control and positioning. Here are the key benefits of using beam couplings in precision positioning systems:

• 1. Misalignment Compensation:

  Beam couplings are designed to provide flexible connections between shafts, allowing them to compensate for various types of misalignment, including angular, axial, and parallel misalignment. In precision positioning systems, where accurate alignment is critical for maintaining positioning accuracy, beam couplings help prevent unnecessary stress on the components caused by misalignment, reducing wear and ensuring consistent performance.

• 2. Torsional Rigidity:

  Beam couplings offer high torsional rigidity, meaning they effectively transmit torque without significant torsional deformation. This rigidity is essential for maintaining precise motion control and minimizing backlash in precision positioning systems. It ensures that the desired position is accurately maintained without undue twisting or torsional deflection.

• 3. Low Inertia:

  Beam couplings have a compact and lightweight design, resulting in low rotational inertia. Low inertia is crucial in precision positioning systems, as it allows for rapid and accurate changes in direction and speed. The low inertia of beam couplings helps improve the system’s response time and overall dynamic performance.

• 4. Zero Backlash:

  Beam couplings can provide backlash-free performance when correctly installed and utilized within their specified torque and speed ratings. This characteristic is particularly valuable in precision positioning systems, where any play or backlash can result in position errors and reduced accuracy.

• 5. Vibration Dampening:

  Beam couplings exhibit some degree of vibration dampening due to their flexible design. This feature is beneficial in precision positioning systems, where damping vibrations can reduce mechanical resonances, improve stability, and minimize settling times, resulting in smoother and more precise motion.

• 6. Long Service Life:

  High-quality beam couplings made from durable materials have excellent resistance to wear and fatigue. With proper installation and maintenance, beam couplings can have a long service life, providing reliable and consistent performance in precision positioning systems.

• 7. Easy Installation:

  Beam couplings are relatively easy to install and do not require elaborate alignment procedures. Their flexible design allows for some misalignment tolerance during installation, making the setup process more straightforward and efficient.

• 8. Cost-Effective:

  Beam couplings offer an excellent balance of performance and cost-effectiveness. Compared to some other types of precision couplings, beam couplings often provide a more budget-friendly solution without compromising on essential performance characteristics.

In summary, beam couplings offer significant advantages in precision positioning systems, including misalignment compensation, torsional rigidity, low inertia, zero backlash, vibration dampening, long service life, easy installation, and cost-effectiveness. These advantages contribute to the overall accuracy, stability, and reliability of precision motion control applications, making beam couplings a popular choice for demanding positioning tasks.

editor by CX 2024-04-13