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PI is a leading manufacturer of precision motion control and automation systems, hexapod 6-axis parallel robotic stages, air bearing motion systems, Gantry Systems, 3D printing, laser machining, and piezoelectric nano-positioning solutions. Applications include photonics, semiconductor technology, medical engineering, assembly, inspection, materials handling, and bio-nanotechnology. PI has been developing and manufacturing standard & custom precision products with piezoceramic and electromagnetic drives for 4 decades and provides innovative, high-quality solutions for OEM and research including industrial motion controllers (ACS). The PI group employs more than 1,300 people worldwide in 15 subsidiaries and R&D / engineering centers on 3 continents. ISO 9001 certified since 1994.

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N470 Miniature Opto-Mechanical Actuator with Position Sensor based on Piezo Ratchet Drive

POSTED 06/11/2019

PI's N-470 and N-472 closed-loop miniature optomechanical actuators are based on a screw and ratchet mechanism, with a small piezo ceramic actuator block. These actuators provide nanometer resolution, with excellent position stability. The PIshift piezo motor locks the screw when at rest or powered down, with no current draw and heat generation.