Posted in | Optics and Photonics

Innovative Range of Piezo Inertia Drives from PI

This video shows the operation and features of PI’s Piezo Inertia Drives. PIShift drives in particular are ideal for drift-free long-term positioning. The piezo inertia drives are space-saving and affordable piezo-based drives, with comparatively high holding forces and a nearly limitless travel range. They utilize the stick-slip effect (inertia effect) – a cyclical alternation of static and sliding friction between the drive element and a runner produced by the piezo element – for a nonstop feed of the runner. The operating frequency of over 20 kHz enables the runner to be instantly driven at velocities in excess of 5 mm/second.

Features such as linear positioning stage with a width of 21 mm, rotation stage with a diameter of 14 mm, six-axis parallel kinematic; self-locking at rest, no heat generation; non-magnetic and vacuum-compatible operating principle; and optional integrated encoder with resolution of 1 nm (10 nrad) are included.

Run Time 0:23min

Stick / Slip Piezo Linear Motor Animation - Mini Motor Actuator by www.pi.ws

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