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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clamp coupling

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.

clamp coupling

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.

clamp coupling

Different Types of Beam Couplings for Various Applications

Beam couplings come in various designs to meet different application requirements. Each type offers specific advantages and limitations. Here are some common types of beam couplings used in various applications:

  • 1. Single-Beam Couplings:

    Single-beam couplings consist of a single helical beam that connects the two shafts. They are simple in design and provide good flexibility for compensating angular misalignment. These couplings are ideal for applications where space is limited, and angular misalignment is the primary concern.

  • 2. Multi-Beam Couplings:

    Multi-beam couplings have multiple helical beams arranged in parallel around the circumference of the coupling. This design enhances the coupling’s flexibility and allows for better compensation of angular, axial, and parallel misalignment. Multi-beam couplings are commonly used in applications requiring more comprehensive misalignment compensation and smoother torque transmission.

  • 3. Bellows Couplings:

    Bellows couplings use a thin-walled, accordion-like metal bellows as the flexible element. This design provides high flexibility, making them suitable for applications with significant angular and axial misalignment. Bellows couplings are also effective at damping vibrations and providing precise motion control in sensitive systems.

  • 4. Servo Disc Couplings:

    Servo disc couplings consist of a series of thin metal discs stacked together with a central spacer. This design allows for high torsional rigidity and excellent misalignment compensation. Servo disc couplings are often used in precision applications where minimal backlash and high torque transmission are required.

  • 5. Slit Couplings:

    Slit couplings have one or more slits cut into the helical beam, providing additional flexibility. The slits allow for better compensation of misalignment and increased torsional flexibility. Slit couplings are commonly used in applications with moderate misalignment requirements and where vibration dampening is essential.

  • 6. Step Beam Couplings:

    Step beam couplings have helical beams with varying thickness along their length. This design provides a progressive flexibility gradient, allowing for smoother torque transmission and better misalignment compensation. Step beam couplings are often used in applications where shock absorption and vibration isolation are crucial.

  • 7. Jaw Couplings with Beam Elements:

    Jaw couplings with beam elements combine the features of traditional jaw couplings with the flexibility of beam couplings. They offer excellent misalignment compensation, shock absorption, and easy installation, making them suitable for various power transmission and motion control applications.

The choice of the most suitable beam coupling type depends on the specific requirements of the application, such as the level of misalignment, torque capacity, damping requirements, and the overall system design. Understanding the strengths and limitations of each type will help in selecting the best beam coupling for a particular application, ensuring efficient and reliable performance in various mechanical systems.

China Good quality Aluminum Encoder Coupling Beam Coupling  China Good quality Aluminum Encoder Coupling Beam Coupling
editor by CX 2024-05-10