World's Smallest Linear Motor / Translation Stage

Description

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 4 parts and can replace classical drive elements like rotary motor/leadscrew assemblies or electromagnetic linear motors in a micro-system. Measuring only 9.0x6.5x2.4mm, the new P-652 stage offers a travel range of 3.2mm and can move at velocities of up to 80 mm/sec--almost 10 times faster than other micro-stages. Sub-micron resolution, combined with a high holding force of 20 grams, are state-of-the-art figures for a stage of these minute dimensions. No Leadscrews – no Backlash Because no leadscrews or other rotating parts are involved P-652 systems are absolutely backlash free. Due to its ultrasonic motor design, power consumption in steady state conditions is zero and no external brake is necessary to maintain a stable position. Typical Applications 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 optimized for moving small objects such as fibers, optomechanical components, micro-medical devices, micromechanics (or MEMS) fast and precisely. Features & Advantages n Cost-Effective, High-Volume-Production Drive n Resolution: Better than 0.1 microns n Stage dimensions: 9.0x6.5x2.4 mm n Velocity: Up to 80 mm/sec n Holding Force: > 0.2 N n Stroke: 3.2 mm (customizable) n Operating current: 55 mA n Operating voltage (driver electronics): 2.8–3.2V n Input power (at rest): zero Simple Design 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 110 mN. The P-652 requires only these 4 parts, unlike conventional electric motors. Highly integrated electronics are available for 3 V control.

Specs

• Travel range - 3.2 mm • Minimum incremental motion, open-loop - 0.1 µm* • Typ. step size, open-loop - 13 µm** • Max. velocity - 80 mm/s • Typ. Velocity - 25 mm/s** • Holding force when powered down - 0.2 N • Push / pull force - 0.11 N* • Resonant frequency - 470 kHz • Integrated piezo motor - PILine® P-652 • Driver electronics operating voltage - 2.8–5.0 V • Driver electronics, max. elec. power consumption - 500 mW • Driver electronics, current consumption - 55 mA • Operating temperature range - -20 to +50 °C • Mass - 0.6 g • Recommended controller/driver - C-180K001, dimensions 25 x 10 x 3 mm • Dimensions - 9 x 5.7 x 2.2 mm
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