Product Description

Product Description

A beam coupling, also known as helical coupling, is a flexible coupling for transmitting torque between 2 shafts while allowing for angular misalignment, parallel offset and even axial motion, of 1 shaft relative to the other. This design utilizes A single piece of material and becomes flexible by removal of material along a spiral path resulting in a curved flexible beam of helical shape. Since it is made from a single piece of material, the Beam Style coupling does not exhibit the backlash found in some multi-piece couplings. Another advantage of being an all machined coupling is the possibility to incorporate features into the final product while still keep the single piece integrity.

 

Changes to the lead of the helical beam provide changes to misalignment capabilities as well as other performance characteristics such as torque capacity and torsional stiffness. It is even possible to have multiple starts within the same helix.

 

The material used to manufacture the beam coupling also affects its performance and suitability for specific applications such as food, medical and aerospace. Materials are typically aluminum alloy and stainless steel, but they can also be made in acetal, maraging steel and titanium. The most common applications are attaching encoders to shafts and motion control for robotics.
Features
1.Materail: Aluminium alloy or steel
2.Elastic Spider: Three type of Elatic Spider can be choosed 86SH. A 92SH. A 98SH. A 
3.Surface treatment: black finished / Anodizing 
4.High sensitivity  High torque rigid Zero back lash 
5.Type of shaft lock: Set screw or Clamp type 

6.Stock to ensure a prompt delivery with in 2 weeks.

7.High-performance with competitive prices.
Except our standard parts, we also can make the parts according customers’ drawing or design according customer requirement, please send us enquiry if there any need.

Detailed Photos

Product Parameters

Packaging & Shipping

Package	Standard suitable package / Pallet or container.  Polybag inside export carton outside, blister and Tape and reel package available.  If customers have specific requirements for the packaging, we will gladly accommodate.
Shipping	10-20working days ofter payment receipt comfirmed (based on actual quantity).  Packing standard export packing or according to customers demand.     Professional goods shipping forward.

Company Profile

FAQ

Q: Are you trading company or manufacturer?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment=1000USD, 30% T/T in advance ,balance before shippment.

We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit. To supply customers excellent quality products with good price and punctual delivery time is our responsibility.

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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.

Handling Misalignment and Compensating for Shaft Offset in Beam Couplings

Beam couplings are designed to handle misalignment between connected shafts and compensate for shaft offset in motion control systems. Their flexible and helical beam structure allows them to accommodate various types of misalignment, ensuring smooth and reliable operation. Here’s how beam couplings handle misalignment and compensate for shaft offset:

• Helical Beam Design:

  Beam couplings consist of one or more helical beams, which are thin, flexible metal strips arranged in a helix shape. The helical beam design gives beam couplings their characteristic flexibility, allowing them to bend and twist in response to misalignment and shaft offset.

• Angular Misalignment:

  If the connected shafts are not collinear and are at an angle to each other, it results in angular misalignment. Beam couplings can handle angular misalignment by allowing the helical beams to flex, bending at an angle to accommodate the misaligned shafts. The flexibility of the beams enables the coupling to transmit torque smoothly even when the shafts are not perfectly aligned.

• Axial Misalignment:

  Axial misalignment occurs when the two shafts are not on the same axis or are not aligned in the same line. Beam couplings can compensate for axial misalignment by permitting the helical beams to elongate or compress in the axial direction. This axial flexibility allows the coupling to accommodate the offset between the shafts without causing excessive stress on the components.

• Parallel Misalignment:

  Parallel misalignment refers to the situation where the two shafts are not at the same height or parallel to each other. Beam couplings handle parallel misalignment by permitting the helical beams to shift laterally. This lateral movement allows the coupling to adjust to the offset between the shafts and maintain an effective connection.

• Compensation Range:

  Beam couplings have a specified range of misalignment they can accommodate. The amount of misalignment they can handle depends on the number of helical beams and the design of the coupling. Multi-beam couplings typically have a higher misalignment compensation range compared to single-beam couplings, making them more suitable for applications with more significant misalignment requirements.

• Limitations:

  While beam couplings can compensate for a certain degree of misalignment, they do have limitations. Excessive misalignment beyond the coupling’s rated capacity can lead to premature wear, increased stress on the components, and reduced coupling performance. It’s essential to operate the beam coupling within its specified misalignment limits to ensure optimal functioning and longevity.

In summary, beam couplings handle misalignment and compensate for shaft offset by virtue of their flexible helical beam design. The ability to bend, twist, elongate, and shift laterally enables them to accommodate angular, axial, and parallel misalignment in motion control systems. Choosing the appropriate beam coupling type and staying within its rated misalignment range are essential to ensure effective compensation and reliable operation in various applications.

editor by CX 2024-04-11