Smaller stage is faster and more precise
A
PI (Physik Instrumente) product story
Edited by the Engineeringtalk editorial team
Aug 28, 2006
Piezoelectric linear-motor driven translation stage is claimed to be significantly smaller than other miniature stages and provides very high speed and resolution.
PI's patented P-652 piezoelectric linear-motor driven translation stage is significantly smaller than other miniature stages and provides very high speed and resolution.
The stage consists of only four parts and can replace classical drive elements like rotary motor/leadscrew assemblies or electromagnetic linear motors in a microsystem.
Measuring only 9.0 x 6.5 x 2.4mm, the new P-652 stage offers a travel range of 3.2mm and can move at velocities of up to 80mm/s - almost 10 times faster than other micro-stages.
Submicron resolution, combined with a high holding force of 20g, are state-of-the-art figures for a stage of these minute dimensions.
Because no leadscrews or other rotating parts are involved P-652 systems are absolutely backlash free.
Thanks to its ultrasonic motor design, power consumption in steady state conditions is zero and no external brake is necessary to maintain a stable position.
P-652-series PILine piezoelectric ultrasonic motor drives are ideal for OEM applications where quantities are high, space is limited and masses are small.
The systems were optimised for moving small objects such as fibres, optomechanical components, micromedical devices, micromechanics (or MEMS) fast and precisely.
The P-652 has the simplest possible design, comprising an ultrasonic piezoelectric resonator and two lateral sliders pressed against it by a spring doubling as moving carriage.
The load to be moved is mounted directly on the carriage and moved by a force of up to 110mN.
The P-652 requires only these four parts, unlike conventional electric motors.
Highly integrated electronics are available for 3V control.
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Contact PI (Physik Instrumente)
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