Available resolutions range from 0.0158 to 0.127 mm/step and deliver thrust voluntarily to 222 N. The units can be microstepped for finer resolution. A proprietary manufacturing process uses engineering thermoplastics in the rotor-drive nut and a stainless-steel Acme leadscrew to ensure reliability and performance.

Typical applications include medical equipment, semiconductor handling, valve control, X-Y tables, handheld instruments, and telecommunications.

Haydon Switch & Instrument Inc., 1500 Meriden Rd., Waterbury, CT 06705, (203) 756-7441, hsi-inc.com

3500 series double stack linear actuator