New Scale Technologies (Victor, NY) has announced a prototype rotary piezoelectric micro drive system. Unlike servo drives, the new rotary drive has no measurable jitter, holds position without power, and generates no magnetic fields. The 44 × 44 × 36 mm prototype operates at 350 degrees/second and has an acceleration of 3000 degrees/second2.
A tiny rotating stage integrates a high-torque, direct-drive piezoelectric motor, precision ball bearings with low run out and wobble, optical encoder with zero reference mark, and New Scale drive electronics and closed-loop control system. The device is PC-controlled using New Scale Pathway™ software.
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