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| Physik Instrumente introduces P-601 Piezo Flexure Actuators | ||
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 January 7, 2008 - Piezo specialist PI’s flexure-based piezo actuators such as the P-601 series provide up to 10 times larger travel ranges than classical piezo stack actuators a in low profile package, with virtually unlimited resolution and lifetime. The stiff construction allows for fast response with rise times much shorter than one millisecond. The design involves no friction, no lubricants and no wear. Because of the many advantages over motor/leadscrew-driven positioners, more and more flexure actuators are used in fast-valve actuation mechanisms, and for other precision positioning tasks, ranging from automotive to data storage and biotech applications. Features & Advantages: Typical Applications: High-Speed Valve Control, Photonics, Clean Room Micro-Manufacturing, Laser & Spectrometer Tuning, Medical Instrumentation, Nanotechnology, Auto Focus, High Throughput Screening, Micro-Dispensing, 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 bakeout temperatures) they are ideal for ultra-high-vacuum applications. Non magnetic designs are also available. |
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