Force Stepping Piezo Actuator : a motorised solution for high resolution positioning and external forces resistance

Cedrat technologies

Request for information

Innovation
Cedrat technologies

Similar products

Actionneurs piezoélectriques pour positionnement rapide et précis

Discover

A bistable piezoelectric harvester for wideband mechanical frequency excitation

Discover

Active washer for smart mechanical linkage

Discover

Force Stepping Piezo Actuator : a motorised solution for high resolution positioning and external forces resistance

0,00 

Typical holding force of piezo motors is defined by friction force, required to make motor move. However, increase of friction force is not inconsequent for motor performances in terms of speed, max motion force and lifetime (tribology). In this paper, a new motor, offering high resolution positioning and holding position when unpowered, is presented. Based on a Stepping Piezo Actuator [1] at its core, this new design decouples the outer forces from the most sensitive parts of the motor. This allows the motor to propose a high force/mass ratio and sustain even higher forces without supply. Results obtained on prototype are presented, giving the reader the benefits of proposed technology.