Product Description

Flexible Spring Coupling GD Electrical High Torque Connection Elastic Coupling For Encoder Step Motor

 

Description of Flexible Spring Coupling GD Electrical High Torque Connection Elastic Coupling For Encoder Step Motor
>The main body is made of zinc alloy
>The middle elastomer is made of spring steel
>It has the advantages of simple structure, good flexibility, low inertia and less allowable angular deviation
>Easy installation, spring steel more effective compensation radial, shaft deviation
>Suitable for micro motor and encoder
>Fastening method of set screw

 

Catalogue of Flexible Spring Coupling GD Electrical High Torque Connection Elastic Coupling For Encoder Step Motor

 

 

model parameter	common bore diameter d1,d2	ΦD	L	LF	F	M	tightening screw torque (N.M)
GD-16 x27	5,6,6.35,7,8,9,10	16	27	8.5	3	M3	0.7
GD-16 x35	5,6,6.35,7,8,9,10	16	35	12.5	3.5	M4	1.7
GD-26 x50	6,6.35,7,8,9,10,11,12,12.7,14	26	50	17	4.5	M5	4

model parameter	Rated torque(N.m)	Maximum torque(N.M)	maximum speed (rpm)	moment of inertia(Kg.M2)	allowable eccentricity(mm)	allowable deflection angle(°)	weight (g)
GD-16 x27	0.5	1	3000	1.02×10-6	1	8	30
GD-16 x35	0.5	1	3000	1.02×10-6	1	8	70
GD-26 x50	1.5	3	3000	1.15×10-5	1.2	8	130

 

 

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Compensation for Misalignment in Elastic Couplings

Elastic couplings are designed to accommodate certain degrees of misalignment between connected components in mechanical systems. The elastomeric material used in the coupling plays a crucial role in this compensation process:

When the two components connected by the elastic coupling experience angular, parallel, or axial misalignment, the elastomeric material deforms to a certain extent. This deformation allows the coupling to maintain its connection while absorbing the misalignment-induced stresses and forces.

The elastomer acts as a flexible link between the components, allowing them to move relative to each other within specified limits. The deformation of the elastomer also helps distribute the load more evenly, reducing stress concentrations and the risk of premature wear or damage to the coupling or connected components.

Elastic couplings can compensate for both static and dynamic misalignment, making them suitable for applications where minor misalignment is unavoidable due to factors such as manufacturing tolerances, thermal expansion, or vibration.

It’s important to note that while elastic couplings can accommodate misalignment, excessive misalignment should still be avoided, as it can lead to accelerated wear and reduced coupling lifespan. Regular inspection and maintenance are recommended to ensure that the coupling is operating within its designed limits.

Alternatives to Elastic Couplings for Flexible Connections in Machinery

There are several alternatives to elastic couplings for achieving flexible connections in machinery:

1. Universal Joints: Universal joints, also known as U-joints, are mechanical devices that allow rotational motion between two shafts at different angles. They are suitable for applications with significant misalignment.

2. Cardan Shafts: Cardan shafts consist of a series of universal joints connected in a line, allowing for the transmission of torque and rotation in complex systems.

3. Oldham Couplings: Oldham couplings use sliding disks to transmit torque while accommodating small misalignments. They are suitable for applications where precise positioning is required.

4. Beam Couplings: Beam couplings use a flexible beam to transmit torque and compensate for angular and axial misalignment.

5. Diaphragm Couplings: Diaphragm couplings use thin diaphragms to transmit torque while compensating for misalignment. They are often used in high-performance applications.

6. Gear Couplings: Gear couplings use teethed gears to transmit torque and accommodate misalignment. They are suitable for heavy-duty applications.

7. Chain Couplings: Chain couplings use roller chains to transmit torque and handle misalignment. They are commonly used in low-speed, high-torque applications.

8. Bellows Couplings: Bellows couplings use a bellows-like flexible element to transmit torque while compensating for misalignment.

Each of these alternatives has its own advantages and limitations, and the choice depends on the specific requirements of the application.

Types of Elastic Couplings for Specific Applications

There are various types of elastic couplings available, each designed to suit specific industrial applications:

• Flexible Jaw Couplings: These couplings use an elastomeric element to transmit torque and accommodate misalignment. They are commonly used in applications where shock absorption and vibration damping are important, such as pumps, compressors, and conveyor systems.
• Diaphragm Couplings: Diaphragm couplings use thin metal diaphragms to transmit torque while allowing for angular, axial, and radial misalignment. They are often used in high-performance applications where precise motion transmission is required, such as in robotics, precision machinery, and aerospace systems.
• Torsional Couplings: Torsional couplings are designed to handle high torque loads and are commonly used in heavy-duty applications, including industrial machinery, mining equipment, and large pumps.
• Disc Couplings: Disc couplings use multiple thin metal discs to transmit torque and accommodate misalignment. They are suitable for applications requiring high torque transmission and precise motion control, such as turbines, generators, and high-speed machinery.
• Beam Couplings: Beam couplings use helical cuts in a flexible beam to provide torsional flexibility and misalignment compensation. They are used in applications that require moderate torque transmission and misalignment accommodation, such as stepper motors and motion control systems.
• Oldham Couplings: Oldham couplings use three disks to transmit torque while allowing for axial misalignment. They are commonly used in applications that require accurate motion transmission, such as linear actuators and CNC machinery.

The choice of the right type of elastic coupling depends on factors such as the application’s torque requirements, speed, misalignment characteristics, and specific performance needs.

editor by CX 2024-03-29