Moving Magnet Voice Coil Actuators

Moving magnet voice coil linear actuators have acceleration to 20 gs, zero cogging, resolution to 8.3 µm/m (0.0001 in. /ft), repeatability to 5 µm (0.0002 in.), and long life. Ideal applications include mirror tilt and focusing, laser beam steering, position control, and Z axis for pick-and-place equipment. Other suitable applications are robotics, testing, medical diagnostic probes, and hermetically sealed cryo cooler actuators.

The actuators are small and have a high force-to-weight ratio. Standard sizes have stroke lengths from 3.8mm (0.15 in.) to 76.2mm (3.00 in.), continuous force to 80 N (25.0 lbs), and peak force to 240.3 N (75.0 lbs).


H2 Technologies offers a complete motion control, plug-and-play system. To find out more, visit

H2W Technologies
28310-C Avenue Crocker
Valencia, CA 91355

Tel: 888-702-0540
Fax: 661-702-9348


About H2W Technologies

H2W Technologies, Inc. designs and manufactures linear and rotary motion products used in the motion control industry. Linear electric motors include: Single and dual axis linear steppers, DC brush and brushless linear motors, voice coil actuators, and AC induction motors. Also offered is a complete line of ball screw, lead screw, and belt driven positioning stages. Other motion control products include: Limited angle torque motors for compact, limited angular excursion rotary servo applications, 3-phase brushless rotary servo motors with matching digital servo amplifiers and permanent magnet linear brakes for fail-safe zero power braking.

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