GS Series Coupling

GS Series Coupling

Product descriptions

This coupling is engineered for precise, synchronized motion, reliably transmitting moderate to high torque while maintaining an extremely short axial profile.

The Single Diaphragm Advantage:

The GS Series utilizes two precision-machined aluminum alloy hubs connected by a single, highly flexible metallic diaphragm (disc), typically crafted from high-strength spring steel or stainless steel.

This unique single-diaphragm design delivers two major benefits:

High Torsional Stiffness: Ensures absolute zero backlash and maintains a rigid connection for critical positional accuracy.
Compact Design: Achieves a minimal overall length, making it ideal for limited space envelopes.

The GS Series primarily excels at compensating for angular and axial shaft misalignments. It is the excellent solution for connecting servo motors to lead screws, gearboxes, and pumps where an accurate, torsionally rigid, and minimal-footprint connection is essential.

Product Components

The GS Single Diaphragm Coupling is a precisely manufactured, multi-component assembly, where the quality and integrity of each part are essential for the final zero-backlash performance.

1. Aluminum Alloy Hubs (Two)

These are the precision-machined end pieces that interface directly with the motor and load shafts. Crafted from high-strength aluminum alloy, they feature low rotational inertia and are typically fitted with an integrated clamp mechanism. This clamp ensures a secure, zero-slip friction lock to the shafts, which is critical for maintaining positional accuracy.

2. Metallic Diaphragm (Single)

This is the heart of the coupling's performance. It is a single, thin, and highly flexible metallic disc, typically fabricated from high-strength spring steel or stainless steel. The diaphragm transmits all rotational torque with zero backlash and, through its elastic deformation, is solely responsible for compensating for angular and axial shaft misalignments.

3. High-Strength Fastener Set

The assembly is secured using a specialized set of high-strength bolts and nuts. These fasteners are crucial for creating the unyielding, rigid connection between the diaphragm and the two aluminum hubs, ensuring the coupling maintains its high torsional stiffness under full operational load.

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