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Machine Design

New Product: Flexible miniature coupling

The Microflex Series FK flexible microcoupling is designed for micropumps and micromotors in the medical and biotech industries.

Composed of a flexible beam-cut polyamide element clamped to shafting with stainless-steel hubs and setscrews, standard-design microcouplings are balanced for up to 10,000 rpm. Low lateral spring stiffness lets the coupling absorb restoring forces on shaft bearings in slight misalignment, while maintaining backlash-free qualities at a torsional stiffness of 23 Ncm/rad. The hub’s design provides clearance for shaft burrs created by the 2-mm setscrew.

The microcoupling has 1.4-oz/in. nominal torque capacity and 2.8-oz/in. peak torque capacity. Standard bore diameter is 1.5 mm.

R+W America L.P., 1120 Tower Lane, Bensenville, IL 60106, (630) 521.9911,

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