Composite disc (CD) shaft couplings combine high-performance materials, design features, and precision to withstand the rigors of demanding servomotor systems. Precision machined of ASTM A 108 steel and 6061-T6 aluminum, the body components of these CD couplings are inherently balanced. With similar precision, the functioning components of CD couplings are made from precisely oriented and layered composite material similar to those composites used in aerospace applications. To ensure precise alignment, the assembled components use ISO Class 12.9 hardened shoulder bolts.
CD Coupling design features provide a combination of high dynamic load capacity and high torsional stiffness to ensure reliable system operation. In addition, these couplings have zero backlash, are excellent for reversing loads, provide smooth operation at high speeds, and are compact with a clamping design that fits most applications. Standard models and sizes include single and double-flex models with clamp style hubs with or without keyways. Torque capacities range from 40 to 1436 Nm and beyond with speed ratings from 4,400 to 17,000 rpm.
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