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Physik Instrumente (PI), a specialist in piezo motors, has introduced the M-272 linear actuator for automation applications based on a maintenance-free PIline ultrasonic ceramic motor.

PIline ultrasonic drives are said to offer an affordable alternative to electromagnetic linear motors and motor-leadscrew combinations when small dimensions and/or high-speed are important.

With velocities of up to 200mm/s, these drives are fast, compact and readily integrated.

In addition, PIline motors are self-locking at rest with zero heat generation, eliminating the need for an additional motor brake.

The M-272 closed-loop linear drive combines motor, actuator, linear encoder, guiding system and brake functionality in a compact package.

Due to the integrated guiding system, a payload can be easily attached to the drive rod of the M-272 drive and positioned precisely.

Features of the M-272 include: maintenance-free ceramic linear motor; travel range: 50mm; 5um resolution with integrated linear encoder; fast: 200mm/sec (8in/sec); high speed and dynamics for fast settling; self-locking at rest, no need for external brakes and no energy consumption; OEM driver electronics for ultrasonic motors available.

Physik Instrumente

PI is a global manufacturer of high precision positioning systems and products based on piezo technology. Used in markets as diverse as biotechnology, semiconductor, defence and astronomy, PI’s products work to improve the speed and precision of many cutting edge processes. Actuators, sensors and positioning systems with either sub-micron or nanometre level precision; many customised for the end user, are included in the product range.

With manufacturing and subsidiary offices around the world and a workforce of more than 500 PI provides direct local support where it is needed. Products range from component level piezo ceramic assemblies to six axis hexapod positioning robots. PI manufactures its own piezo ceramic material including multilayer devices that incorporate its patented ceramic insulation technology. Lead free ceramic technology is now also included in the company’s product range. With the flexibility and continuity of supply offered by having control of piezo ceramic production comes security and speed of delivery for customers who rely on or are looking to move into this area of technology. PI’s piezo ultrasonic and step drive motor technologies offer unique performance including self-locking capability, high force or high speed and non-magnetic and vacuum compatibility.

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