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How do PiezoWalk Motors work in Linear Nanositioning Stages?
PI (Physik Instrumente) LP Posted 06/07/2019
The video explains the concept of PiezoWalk Motors in precision motion and nanopositioning applications. Walking piezomotors are use four or more piezoceramic fingers which actuate in a stepping sequence to drive a workpiece in a desired direction. Between steps, sub-nanoscale actuation can be achieved. High power-off holding forces and essentially unlimited travel characterize these designs, exemplified by PI’s NEXACT and NEXLINE technologies.