Step-Flex™ Coupling eliminates resonance in stepper motor ball screw assemblies. Two-part elastomer element combination dampens vibration caused by actuator carrier trying to find its home position. Hard element being separated from aluminum alloy hubs by softer elastomer maintains sufficient torsional stiffness for precise positional accuracy while allowing minimal angular and parallel misalignment. Power-transmitting element also reduces counter force generated by misalignment.<br />
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