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Search Results for: physik

FAQ: What are flexure guided piezo actuators?

March 8, 2016 By Danielle Collins Leave a Comment

flexure guided piezo actuators

When a voltage is applied to a piezoelectric material, it generates motion and force due to the expansion or contraction of the material. Piezo actuators take advantage of this effect, incorporating piezoelectric materials into useful devices for generating very small, high-frequency movements and producing relatively high forces. Flexure guided piezo actuators incorporate mechanical hinges (flexure […]

Filed Under: FAQs + basics, Motors, Piezo Motors Tagged With: physikinstrumente

FAQ: Where are ultrasonic piezo motors suitable?

March 2, 2016 By Danielle Collins Leave a Comment

Ultrasonic Piezomotors

Ultrasonic piezo motors harness oscillations induced in a piezoelectric material to produce motion, which can be either rotary or linear. Their design and operation are relatively simple but allows them to achieve very high accelerations and speeds, and to produce high holding forces when no current is applied. Construction and operation For rotary motion, the piezo […]

Filed Under: FAQs + basics, Motors, Piezo Motors Tagged With: physikinstrumente

PI’s newest compact rotary stage is 32 mm wide x 7 mm high

December 10, 2015 By Miles Budimir Leave a Comment

PI (Physik Instrumente) recently added a new piezo inertia drive rotary stage to its existing Q-Motion product line of compact linear and rotary systems – the Q-632. This compact micropositioning drive is only 32 mm wide, 7 mm high, and has a 30 mm turntable diameter with 360° rotation range. The Q-632 delivers precision rotation […]

Filed Under: Gantries + Stages Tagged With: physikinstrumente

FAQ: What benefits do piezo motors offer?

September 3, 2015 By Danielle Collins 1 Comment

Piezo Motor 2-Axis Stage

Piezo motors rely on piezo materials, which are ceramics that change shape when an electrical field is applied, to produce vibrations that cause motion—either linear or rotary.  (Conversely, piezo materials can also produce electricity when mechanically loaded.) There are several principles on which piezo motors can operate, with the most common of these being the use of ultrasonic […]

Filed Under: FAQs + basics, Piezo Motors Tagged With: physikinstrumente

Miniature Piezo Flexure Positioning Stage from PI

August 28, 2015 By Miles Budimir Leave a Comment

PI’s (Physik Instrumente) new PIHera Z flexure-guided piezo nanopositioning stage features travel ranges of 50 µm to 250 µm (400 µm open-loop).  Flexure guided piezo positioning stages provide vibrationless motion with virtually unlimited resolution and fast response. Due to the lack of rolling elements, there is no bearing rumble to affect the uniformity or straightness […]

Filed Under: Gantries + Stages Tagged With: physikinstrumente

Linear motor stage with absolute encoder and ironless motor

July 31, 2015 By Mike Santora Leave a Comment

PI-Global-map-image

Physik Instrumente has released a new member of the PIMag family of precision positioning stages with magnetic direct drives. The compact ultra-precise V-551 motorized linear translation stage debuted at Laser World of Photonics, held in Munich, Germany last month. V-551 comes equipped with an integrated absolute-measuring, 2nm resolution encoder – no more wasted time for […]

Filed Under: Gantries + Stages, Linear Encoders Tagged With: Physik Instrumente, physikinstrumente

FAQ: What are piezo elements and piezo motors?

May 26, 2015 By Lisa Eitel Leave a Comment

Piezo elements are ceramics that change shape when subject to electricity or (when subject to mechanical loading) output electricity. Manufacturers process and press plumbum, zirconate, titanate (PZT) powder together and fire it into a quartz. Then they integrate the ceramic with ferroelectric material to make electrodes. Finally, manufacturers apply electromagnetic fields to the piezo elements […]

Filed Under: FAQs + basics, Motors, Piezo Motors Tagged With: physikinstrumente

Tighter integration and programming take positioning stages into 21st century

March 4, 2015 By Lisa Eitel Leave a Comment

5-Newport-stages-14940

Few motion technologies show more recent innovation than positioning stages. Their hardware and software are increasingly custom to fit specific output requirements, thanks in large part to tighter integration and advanced programming. No wonder that today’s positioning stages can make moves with incredible accuracy; synchronize complicated axis commands; and optimize travel from coarse and fine […]

Filed Under: Gantries + Stages, Linear Motion Tagged With: Aerotech, Bell Everman, Moog, Newport Corp., physikinstrumente

Piezoelectric Positioners offer Precise Control in Nanopositioning Applications

February 12, 2014 By Motion Control Tips Editor Leave a Comment

miniaturized-hexapod-nanopositioning-system

By Stefan Vorndran and Scott Jordan, PI, Physik Instrumente L.P. Ever-increasing requirements for more precise motion control has forced manufacturers of piezoelectric positioners to find ways to overcome their limitations, such as travel range and linearity, while preserving the unmatched speed, reliability and resolution capabilities of piezoelectric devices. Precision motion control in general, and nanopositioning […]

Filed Under: Actuators, Encoders, Gantries + Stages, Linear Motion, Motors, Piezo Motors Tagged With: physikinstrumente

Motion Controller for Precision Linear Positioners and Rotation Stages

April 4, 2013 By Stacy Combest Leave a Comment

PI (Physik Instrumente) LP is offering a new motion controller for closed-loop precision positioning systems. The C-884, 4-axis digital servo controller was designed to control motorized linear translation stages and rotary positioners with very high accuracy and repeatability.  The high-speed encoder interface allows the use of the latest direct-metrology linear and angular scales with resolutions down […]

Filed Under: Controls Tagged With: physikinstrumente

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