Zero-Max Offers Couplings for Encoder Applications

Featured in a new free brochure, Control-Flex couplings from Zero-Max are designed to meet the precision feedback requirements of encoder applications. Featuring a Control-Flex centre disc design, the couplings have a parallel linkage system that is intended to minimise reaction forces occurring as a result of unavoidable shaft misalignments. Control-Flex couplings have high parallel, angular and axial shaft misalignment capabilities with considerably less side loads on shaft bearings and seals.

They are designed with clamp-style zero-backlash hubs and feature electrically insulating flex components with low weight and inertia. When compared with standard beam-style couplings, Control-Flex couplings have the added features of clamp hubs and electrical insulation. Precision-designed Control-Flex couplings consist of two hubs (to be attached to the system shafts) and a centre flex member.

This flexible member is affixed to the hubs through pins. Clamp-style hubs provide a positive shaft connection. Two versions of the coupling are available: a single-flex disc version for standard torque capacity and a two-flex disc version for increased torque capacity and torsional stiffness.

Control-Flex couplings are suitable for use in packaging systems, medical devices, machine tools and conveying and automated assembly systems - wherever encoders are used. Robert Mainz, Zero-Max's sales manager, said: 'Control-Flex couplings satisfy the high-performance requirements of today's encoders that convert rotational speed into precise electrical signals. 'They are a better option for these high-precision applications than standard beam-style couplings, which tend to vibrate, loosen and produce inaccurate encoder readings,' he added.

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