DS Series Flexible Beam Couplings

The DS Series was designed for today's high-performance motion control systems. This Series incorporates two Helical® beams (double start) in each of two separate Helical® Flexures (double flexure), combining greater end-to-end rotational accuracy with radial flexibility in one design. Available only with integral clamp attachments, the DS series provides the high torsional stiffness and low inertia necessary for positioning devices, servo motors, and lead screws. The DS Series also provides you with substantial .010-inch parallel offset capability, reducing the need for high-precision alignment during assembly operations. It's your ticket to greater system accuracy and reliability.


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DS Series Flexible Beam Couplings Overview

Beam coupling from MW Components - Santa Maria

Custom Manufacturing

Custom Beam Couplings

Custom beam couplings or Helical couplings offer many benefits including, choice of material composition, simplification of assembly, and customizable attachments and tolerances suited to your specific end-use. MW specializes in custom component manufacturing, providing you with the right features to ensure proper performance. Whether you need to eliminate endplay or spring, ensure zero backlash, need to increase torsional stiffness, or reduce windup, we can create the right custom coupling for your specialized need made to your exact specifications. Send us your specs or configure a part.

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Beam Coupling Manufacturing & Configurations


Our beam couplings are produced using either aluminum or stainless steel using various machining services; however, specialty materials and services are also available for custom components. Multiple attachment styles are also available for added functionality. Torque range, bore ranges, operating temperatures, speed, and other performance factors will vary depending on the configuration chosen.

For more details on available coupling configurations, review the list below for a side-by-side comparison, view our Standard Coupling Comparison Guide below.

Standard Coupling Comparison Guide
Component manufacturing and quality assurance

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