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PI has announced the M-692 series of low-profile, ultrasonic linear translation stages designed for high-speed positioning tasks with limited space.

These stages are closed-loop, linear motor equipped, micropositioning systems.

Two standard versions are available: M-692.1U4 with 20mm stroke and M-692.2U4 providing 90mm.

Both versions are equipped with integrated linear encoders for backlash-free positioning.

The stages can be arranged to form compact XY systems.

The M-692 design is scalable and can be varied to provide different travel ranges to 300mm for OEM quantities.

Vacuum-compatible versions are also available on request.

For optimum performance, the C-867 motion controller is available.

This ultrasonic motor controller also integrates the drive electronics to generate the ultrasonic oscillations for the piezo-ceramic element.

Furthermore, the controller features a number of special characteristics to address the requirements of ultrasonic motors such as continuous automatic drive frequency adjustment and dynamic parameter switching for optimised dynamics and settling behaviour.

Features of these micro-positioning systems include a self-locking at rest function, with no energy consumption, a 14mm profile (0.6in height); and an ultrasonic linear motor that provides velocity to 350mm/s (14in/s).

The motors can be used in biotechnology, micromanipulation, microscopy, automation, research and development and quality assurance testing, for example.

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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