Product category:
Positioners, servo drives
News Release from: PI (Physik Instrumente) | Subject: P-601 series
Edited by the Processingtalk Editorial
Team on 09 January 2008
Zero-wear piezo-flexure actuators
Flexure-based piezo-actuators provide up to 10 times larger travel ranges than classical piezo-stack actuators in a low profile package, with virtually unlimited resolution and lifetime
Piezo-electric specialist PI manufactures these actuators, such as the P-601 series, with a stiff construction to allow for fast response, with rise times much shorter than one millisecond The design involves no friction, no lubricants and no wear
This article was originally published on Processingtalk on 12 Jul 2006 at 8.00am (UK)
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Because of the many advantages over motor/leadscrew-driven positioners, more and more flexure actuators are used in fast-focusing mechanisms and for other precision positioning tasks, ranging from data storage to pharmaceutical and biotech applications.
In life science applications, piezo-actuators can be used for micro-dispensing and valve control applications, or for scanning and fast optical adjustments in drug screening apparatus.
* x10 longer lifetime.
The lifetime of the actuators depends mainly on the integrated piezo-ceramic "motion engine".
Here, the latest ceramic encapsulated low-voltage multilayer piezo stacks provide protection from humidity and moisture, and deliver up to 10 times longer service life than the still widely used epoxy-coated multilayer piezo stacks.
A preload protects the ceramics from tension forces during dynamic positioning.
* Easy mounting and integration, no guiding system required.
The latest flexure actuators already incorporate a precision frictionless guiding mechanism.
When integrating the actuators into a positioning system, no extra linear bearings or roller bearings are needed, saving further cost and space.
* Vacuum compatible and non-magnetic designs.
Piezo-flexure actuators require no lubricants, and if ceramic encapsulated piezo-ceramics are used (no outgassing / high bake-out temperatures) they are ideal for ultra-high-vacuum applications. Request a free brochure from PI (Physik Instrumente) ...
Non magnetic designs are also available!.
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