Group: Newport
Catalog excerpts
VP-25AA High-Performance Precision Motorized Actuator The VP-25AA actuator combines precise positioning with highly reliable performance. It is based on the same innovative design as used in our VP-25XA linear stages and features a high resolution linear scale for exceptional repeatability and accuracy. The scale is fixed on a moving rail, to which the actuator’s tip is permanently attached without any contact to the mounting shaft. This concept eliminates all drivetrain induced motion errors and minimizes hysteresis between the scale and the actuator tip. The non-rotating tip is also essential to avoid undesirable periodic motion variations caused by variable contact made between the actuator tip and the mating surface. The top rail of the VP-25AA can also be used as a single-rail linear stage to position optical fibers, micro-optics, sensors, or other small and lightweight parts. For added versatility, a mounting interface for a dovetail rail compatible to our popular ULTRAlign positioning system is provided. This system offers a whole selection of interchangeable mounts for optical fibers, fiber arrays, objectives, or GRIN lenses. VP-25AA-DS (07/01) 1 Design Details Base Material Aluminum Bearings Recirculating ball bearings Drive Mechanism Backlash-free ball screw Drive Screw Pitch 1 mm Feedback Linear steel scale, 20 ìm signal period, 0.1 ìm resolution Limit Switches Optical Origin Optical, at center of travel Motor DC servo motor with tachometer UE25CC Cable Length 1.5 m MTBF 20,000 hours Key Features • Integrated linear encoder for exceptional repeatability and accuracy • Non-rotating tip avoids periodic motion variations • Very low friction design provides high sensitivity with 0.1 ìm minimum incremental motion • Convenient manual adjustment knob • 20,000 hours MTBF reliability
Open the catalog to page 12 VP-25AA-DS (07/01) Belgium Newport BV, filiaal Belgie Tel: +32-(0)16-402927 Fax: +32-(0)16-402227 Danemark Gamma Optronik AB Tel: +46-(0)18-56-58-30 Fax: +46-(0)18-69-66-66 Finland R.T.S. Cheos Oy Tel: +358-(0)9-7518-9100 Fax: +358-(0)9-7518-9194 Germany Newport GmbH Tel: +49-(0)6151-3621-0 Fax: +49-(0)6151-3621-52 Israel Lahat Technologies LTD Tel: +972-(0)4-999-0151 Fax: +972-(0)4-999-0826 Italy Newport/Micro-Controle Italia Tel: +39-(0)2-92-90-921 Fax: +39-(0)2-92-32-448 Netherlands - Luxembourg Newport B.V. Tel: +31-(0)30-65-92111 Fax: +31-(0)30-65-92120 Norway W. Tverdal A/S Tel:...
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