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Piezo Ceramic Replacement Actuators for Medical Design Engineers: Sterile, Fast and Non-Magnetic

03-18-2008 04:38 PM CET | Science & Education

Press release from: PI (Physik Instrumente) L.P. Piezo Nano Positioning

PI's new line of compact ceramic piezo motors & actuators replaces classical actuators & motion control components in medical and pharmaceutical applications

PI's new line of compact ceramic piezo motors & actuators replaces classical actuators & motion control components in medical and pharmaceutical applications

PI's new line of compact ceramic piezo motors & actuators replaces classical actuators & motion control components in bio-medical, pharmaceutical and photonics applications. High-speed motors, high-force actuators and zero-wear flexure designs are available.

Applications: OCT, MRI, optics & imaging, liquid dispensing, fast valve control, scanning microscopy, applications in high magnetic fields, vacuum, fast pumps.

Advantages: sterile, no lubricants, high speed, millisecond responsiveness,
vacuum compatible, non-magnetic

Three Different Designs, one for Every Application
PI offers three advanced types of ceramic, non-magnetic linear motor actuators. The three types are distinguished by force, travel range, and speed and precision.

More Information:
http://www.physikinstrumente.com/en/products/piezo_motor/index.php?NR

Basic features of the linear motor actuator designs:
- Non-magnetic, bakeable to 150C, and vacuum-compatible
- Self-locking at rest, basically unlimited linear travel
- Stiff construction, millisecond responsiveness & high bandwidth
- Very compact (from 8x6x2 mm) and cost-effective
- Forces to 500 N (50 kg) (stepping type)
- Speed to 800 mm/sec (ultrasonic type)
- Position resolution to 30 picometers (stepping type)

Self-Locking, No Wear, Maintenance-Free, No Lubricants
In contrast to servo or stepper motor actuators, the piezo ceramic linear motors effect linear motion directly, without the need to transform rotation with gears and leadscrews. Backlash and wear are eliminated and the drive is maintenance-free. Piezo ceramic actuators exhibit high stiffness and are self-locking when powered down with nanometer position stability, and zero heat dissipation or servo-dither at rest.

Controllers & Software
A variety of controllers ranging from OEM boards to rack mount systems and extensive software support is available to precisely control and automate the actuators.

PI (Physik Instrumente) L.P., 16 Albert St.,
Auburn, MA 01501,
USA
www.pi-usa.us, info@pi-usa.us

About PI
PI is a leading manufacturer of precision motion-control equipment for photonics, bio-nanotechnology & semiconductor applications. PI has been developing and manufacturing standard & custom precision products with piezoceramic and electromagnetic drives for 35+ years. The company has been ISO 9001 certified since 1994 and provides innovative, high-quality solutions for OEM and research. PI is present worldwide with eight subsidiaries and total staff of 450+.

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