The LAH15-19-000A linear voice coil actuator from BEI Kimco (Vista, CA) provides low hysteresis/ low friction with bi-directional position control. It is suited for applications where low friction and high force accuracy are needed. The low-friction design features a patent-pending symmetrical flex circuit that prevents friction caused by movement. A solid brass ball cage with captured steel balls also reduces friction. The actuator offers a hysteresis of 10 mN. Other features include a peak force of 4.7 N, a total stroke of 7.4 mm, and a compact size of 38 mm in diameter by 48.3 mm in length.
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