The single-axis linear stage, the PA 30×40-SM01 from Steinmeyer Inc., Burlington, Mass. (, measures only 30-mm wide and 40-mm high and is fully enclosed. The stage can be from 25 to 150-mm long. Top speed is 50 mm/sec and load capacity is 100 N. Positioning repeatability is 1 micron.

This stage includes a preloaded 8-mm Steinmeyer ball screw, a Size 9 linear guideway, noncontact limit switches, and either a stepper motor or dc servomotor with encoder. A separate motion controller is optional.

Edited by Stephen J. Mraz