China best Flexible Beam Coupling Shaft Coupling

Product Description

Flexible Beam Coupling Shaft Coupling

 

Description of Flexible Beam Coupling Shaft 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 Flexible Beam Coupling Shaft 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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flexible coupling

What are the maintenance-free options available for flexible couplings?

Several maintenance-free options are available for flexible couplings, designed to reduce or eliminate the need for regular maintenance and lubrication. These options offer long-lasting performance and reliability while minimizing downtime and operational costs. Below are some maintenance-free options for flexible couplings:

1. Maintenance-Free Elastomeric Couplings: Elastomeric couplings with a specific design and materials can be maintenance-free. These couplings often incorporate high-quality elastomeric elements that do not require periodic lubrication. The elastomeric material provides damping of shocks and vibrations and allows for misalignment compensation, making them suitable for various applications without the need for regular maintenance.

2. Non-Lubricated Metallic Couplings: Some metallic couplings are designed to operate without the need for lubrication. These couplings use self-lubricating materials or specialized coatings that reduce friction between moving parts, eliminating the need for manual lubrication. They can handle high torque and speed requirements while providing reliable performance over extended periods without maintenance.

3. Pre-Lubricated Couplings: Certain flexible couplings come pre-lubricated during manufacturing. These couplings have grease or lubricant already applied to the critical components, providing sufficient lubrication for an extended period of operation. As a result, users do not need to perform regular lubrication maintenance, reducing maintenance tasks and associated costs.

4. Sealed Couplings: Some flexible couplings are designed with integrated seals or shields that protect internal components from contaminants and prevent lubricant leakage. These sealed couplings are inherently maintenance-free, as they ensure long-lasting performance without the need for external maintenance or re-lubrication.

5. Non-Wearing Materials: Certain flexible couplings are constructed using non-wearing materials, such as high-performance polymers. These materials offer excellent resistance to wear and abrasion, reducing the need for maintenance and replacement due to wear-related issues.

6. Torque-Responsive Couplings: Some maintenance-free couplings are designed to disengage or slip when the torque exceeds a certain threshold. This feature protects the connected equipment from excessive loads, preventing damage and reducing the need for maintenance or repairs caused by overload conditions.

Summary: Maintenance-free options for flexible couplings are available, offering reliable and long-lasting performance without the need for regular maintenance and lubrication. These couplings utilize specialized materials, designs, and features to handle various operating conditions while minimizing downtime and operational costs. Selecting a maintenance-free coupling that suits the specific application requirements can significantly improve the overall efficiency and reliability of the mechanical system.

flexible coupling

What are the differences between single and double flexible coupling designs?

Single and double flexible couplings are two common designs used for power transmission in various mechanical systems. Here are the main differences between the two:

  • Design: The primary difference lies in their configuration. A single flexible coupling consists of one flexible element connecting two shafts, while a double flexible coupling, also known as a two-piece flexible coupling, uses two flexible elements with an intermediate shaft in between. The double flexible coupling resembles two single couplings connected in series.
  • Torsional Flexibility: Single flexible couplings typically provide greater torsional flexibility than double flexible couplings. The presence of an intermediate shaft in the double coupling design adds some rigidity and reduces the overall torsional flexibility of the system.
  • Compensation of Misalignment: Both single and double flexible couplings can compensate for angular and parallel misalignment between shafts. However, due to its additional flexible element, the double flexible coupling may have slightly better misalignment compensation capabilities.
  • Length and Space: Single flexible couplings are generally shorter in length compared to double flexible couplings. The double flexible coupling’s design requires additional space to accommodate the intermediate shaft, making it longer than the single coupling.
  • Shaft Separation: Single flexible couplings connect the two shafts directly without any intermediate components, while the double flexible coupling separates the shafts using an intermediate shaft. This shaft separation in the double design can be advantageous in certain applications.
  • Stiffness: The double flexible coupling tends to be slightly stiffer than the single flexible coupling due to the presence of the intermediate shaft, which may affect its ability to absorb vibrations and shock loads.
  • Application: Single flexible couplings are commonly used in various applications, including pumps, compressors, fans, and general power transmission systems. Double flexible couplings are often preferred in applications where a higher level of torsional stiffness is required, such as certain industrial machinery.

Both single and double flexible coupling designs have their advantages and are suitable for different types of machinery and power transmission requirements. The choice between the two depends on factors such as the specific application, the level of misalignment compensation needed, the available space, and the desired torsional flexibility for the system.

flexible coupling

What industries commonly use flexible couplings for power transmission?

Flexible couplings are widely used in various industries for power transmission and motion control applications. Their ability to accommodate misalignment, dampen vibrations, and protect equipment from shock loads makes them valuable components in many industrial processes. Here are some of the industries that commonly utilize flexible couplings:

  • Manufacturing: Flexible couplings are extensively used in manufacturing industries such as automotive, aerospace, electronics, and consumer goods production. They play a critical role in transmitting power between motors and various machinery, including conveyor systems, robots, and assembly lines.
  • Oil and Gas: In the oil and gas industry, flexible couplings are used in pumps, compressors, turbines, and generators. They help transfer power in offshore platforms, refineries, pipelines, and drilling operations while compensating for the dynamic nature of these applications.
  • Power Generation: Power plants, both conventional and renewable, rely on flexible couplings to transmit power from turbines and generators to electrical generators. They are used in coal-fired, natural gas, nuclear, hydroelectric, and wind power plants.
  • Mining: In mining operations, flexible couplings are employed in various equipment, including conveyor systems, crushers, and large industrial pumps. They are designed to withstand the heavy loads and harsh conditions commonly found in mining environments.
  • Marine: Flexible couplings are essential in marine propulsion systems, connecting engines to propellers or water jets. They also find use in shipboard machinery, auxiliary systems, and offshore applications.
  • Pulp and Paper: The pulp and paper industry relies on flexible couplings in machinery used for wood processing, pulp production, papermaking, and printing processes.
  • Chemical and Petrochemical: In chemical plants and petrochemical refineries, flexible couplings are utilized in pumps, mixers, agitators, and other rotating equipment to ensure efficient power transmission and protect sensitive machinery.
  • Construction: The construction industry employs flexible couplings in various equipment, such as concrete pumps, cranes, excavators, and drilling machines.
  • Water and Wastewater: Flexible couplings are used in water treatment plants, wastewater facilities, and irrigation systems to transfer power between motors and pumps.
  • Agriculture: In agricultural machinery, flexible couplings are utilized in tractors, harvesters, and irrigation systems, enabling efficient power transmission and operation.

The versatility and adaptability of flexible couplings make them indispensable components in a wide range of industries, contributing to increased equipment reliability, reduced downtime, and improved overall system performance.

China best Flexible Beam Coupling Shaft Coupling  China best Flexible Beam Coupling Shaft Coupling
editor by CX 2024-04-11

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