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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Temperature and Environmental Limits for Various Beam Coupling Materials

The temperature and environmental limits of beam coupling materials depend on their specific composition and properties. Different materials have varying degrees of resistance to temperature extremes, chemicals, humidity, and other environmental factors. Here are some common beam coupling materials and their associated temperature and environmental limits:

• 1. Stainless Steel:

  Stainless steel beam couplings are known for their excellent mechanical properties and resistance to corrosion. They can typically operate within a wide temperature range, from -40°C to 300°C (-40°F to 572°F). Stainless steel is also resistant to most chemicals, making it suitable for various environments, including industrial and outdoor applications.

• 2. Aluminum:

  Aluminum beam couplings offer lightweight construction and moderate mechanical properties. They have a more limited temperature range compared to stainless steel, typically operating between -20°C to 120°C (-4°F to 248°F). While aluminum has good corrosion resistance in certain environments, it is not as durable as stainless steel in harsh conditions.

• 3. Brass:

  Brass beam couplings have reasonable mechanical properties and corrosion resistance. They are suitable for applications with temperatures ranging from -20°C to 100°C (-4°F to 212°F). Brass is more susceptible to corrosion in certain environments, so it is essential to consider the specific application’s conditions.

• 4. Plastic/Polymer:

  Beam couplings made from plastic or polymer materials offer lightweight and cost-effective solutions. However, their temperature limits are more restricted compared to metal couplings. They typically operate between -30°C to 80°C (-22°F to 176°F). These couplings may not be suitable for high-temperature or chemically aggressive environments.

• 5. Carbon Steel:

  Carbon steel beam couplings are known for their strength and mechanical properties. They generally operate between -40°C to 120°C (-40°F to 248°F). Carbon steel is vulnerable to corrosion, so it may not be ideal for applications in corrosive or humid environments without proper protection.

It’s crucial to consider the temperature and environmental conditions of your specific application when selecting a beam coupling material. Choosing a material that can withstand the intended operating conditions will ensure the longevity and reliable performance of the coupling.

Additionally, keep in mind that various beam coupling manufacturers may offer specific variations of materials with different properties and limits. Always refer to the manufacturer’s datasheets and technical documentation for precise information on the temperature and environmental limits of their beam coupling products.

Where to Find Reputable Suppliers or Manufacturers of Beam Couplings

If you are looking for reputable suppliers or manufacturers of beam couplings to meet your specific needs, there are several avenues you can explore:

• Online Industrial Directories:

  Utilize online industrial directories and platforms that list manufacturers and suppliers of mechanical components, including beam couplings. Websites like Thomasnet, Alibaba, and GlobalSpec allow you to search for specific products and filter results based on your requirements.

• Trade Shows and Exhibitions:

  Attend trade shows and exhibitions related to motion control, automation, and mechanical components. These events often feature a wide range of suppliers and manufacturers showcasing their products, including beam couplings. Engaging with exhibitors in person can provide valuable insights and networking opportunities.

• Industry Associations and Forums:

  Join industry associations and online forums related to motion control and mechanical engineering. These communities often share information about reputable suppliers and manufacturers, and you can seek recommendations from experienced professionals.

• Company Websites and Catalogs:

  Visit the websites of established companies specializing in motion control components. Reputable manufacturers often provide detailed information about their products, technical specifications, and application examples. Many companies offer downloadable catalogs with comprehensive product offerings.

• Customer Reviews and Testimonials:

  Look for customer reviews and testimonials about specific suppliers or manufacturers. Positive feedback and recommendations from other customers can help you gauge the reliability and quality of the products and services.

• Consulting with Experts:

  Seek advice from experts or consultants in the motion control industry. They can provide valuable insights into the best beam coupling options for your specific needs and may have knowledge of reputable suppliers.

• Requesting Quotes and Samples:

  Contact potential suppliers or manufacturers directly to request quotes and product samples. This allows you to compare offerings, pricing, and product quality before making a decision.

When evaluating potential suppliers or manufacturers, consider factors such as product quality, range of available sizes and materials, lead times, customer support, and after-sales services. Choose a reputable and reliable partner who can meet your specific beam coupling requirements and provide long-term support for your motion control needs.

Differences between Single-Beam and Multi-Beam Couplings

Single-beam and multi-beam couplings are two common types of beam couplings used in motion control applications. While they both provide flexibility for misalignment compensation, they have distinct differences in design and performance. Let’s explore these differences:

• Structure:

  A single-beam coupling consists of a single helical beam that connects the two shafts. It is a straightforward design with a single helix providing angular misalignment compensation. On the other hand, a multi-beam coupling has multiple helical beams arranged in parallel around the circumference of the coupling. The multiple beams increase its flexibility and enable compensation for angular, axial, and parallel misalignment.

• Misalignment Compensation:

  Both single-beam and multi-beam couplings are capable of compensating for misalignment between connected shafts. However, the level of compensation differs between the two types. Single-beam couplings are more suitable for applications with primarily angular misalignment. They can handle small amounts of axial and parallel misalignment but are less effective than multi-beam couplings in this regard. Multi-beam couplings, with their multiple beams, can efficiently accommodate more extensive misalignment in all three axes, making them suitable for applications with more complex misalignment requirements.

• Torsional Rigidity:

  Single-beam couplings typically have lower torsional rigidity compared to multi-beam couplings. This means that single-beam couplings may exhibit slightly more torsional flexibility and compliance under torque compared to their multi-beam counterparts. As a result, multi-beam couplings are often preferred in applications where high torsional rigidity is essential to maintain precise motion control and minimize backlash.

• Applications:

  The choice between single-beam and multi-beam couplings depends on the specific requirements of the application. Single-beam couplings are commonly used in applications where space is limited, and primarily angular misalignment needs to be compensated. They are suitable for less demanding misalignment scenarios and can be found in various motion control systems, including small automation machinery and robotics.

  Multi-beam couplings are chosen for applications that require more comprehensive misalignment compensation. They excel in situations where misalignment can occur in multiple axes and are often used in precision motion control systems, optical equipment, and applications with high torsional rigidity and accuracy requirements.

In summary, single-beam and multi-beam couplings both offer flexibility for misalignment compensation in motion control systems. Single-beam couplings are simple, space-efficient, and suitable for applications with primarily angular misalignment. On the other hand, multi-beam couplings provide enhanced misalignment compensation in all three axes and offer higher torsional rigidity, making them ideal for precision applications with more complex misalignment requirements.

editor by CX 2024-04-13