03-21-2012 04:08 AM CET - Industry, Real Estate & Construction
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Ceramic Drivers for Higher Precision

Press release from: Physik Instrumente GmbH & Co. KG
The N-381 linear actuator with NEXACT® piezo stepping drive combines dynamic motion and high position resolution in compact design
The N-381 linear actuator with NEXACT® piezo stepping drive combines dynamic motion and high position resolution in compact design
Piezo stepping drives replace the usual stepper or DC motors in the linear actuators of the N-381 series from Physik Instrumente (PI). As a direct linear drive the stepping drive is free of precision losses due to the exchange from rotational to linear motion. The N-381 can be operated at a velocity of 10 mm/s, provides resolutions of 20 nanometers, the position is measured using an integrated linear encoder.

The position is locked when not in operation, it does not drift or oscillate. The clamping force is 15 N. The drive does not have to be supplied with current in its target position and does not heat up. Furthermore, the drive principle of the piezo stepping motor enables very high resolution within one step cycle. In open-loop operation, the motions can be resolved to about one nanometer and lower. PI also offers controllers suitable for the linear actuator.

Well-known for the high quality of their products, PI is one of the leading players in the global market for precision positioning technology. PI has been developing and manufacturing standard and OEM products with piezo or motor drives for 40 years now. With four German factories and ten subsidiaries and sales offices abroad, the PI group is represented internationally.

Kathrin Mössinger
Marketing Coordinator
Marketing & Products

Physik Instrumente (PI) GmbH & Co. KG
Auf der Roemerstrasse 1
76228 Karlsruhe
Germany
www.pi.ws

Phone + 49 721 48 46 - 1810
Fax + 49 721 48 46 - 1019
k.moessinger@pi.ws

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