PI Introduces Its Miniature Linear Servo Motor Air Bearing Stage
(Nanowerk News) PI (Physik Instrumente) L.P., a leading developer and manufacturer of precision motion systems and solutions, recently released the A-141 miniature air bearing linear positioner, the newest member of the frictionless PIglide family of air bearing stages. Air bearings provide advantages over mechanical bearings when vibration-free motion is required, highly constant velocity control is crucial, and when angular repeatability and geometric performance must be optimal.
Miniature Linear Servo Motor Air Bearing Stage.
Why Use Air Bearings?
Designed to float on a cushion of air without rollers or sliding components, air bearing positioners deliver extremely precise and vibration-free motion, with excellent velocity stability, and zero wear of mechanical components, which are ideal for high-end industrial inspection and manufacturing operations. Air bearing stages are ideally suited for many high precision applications, such as metrology, photonics alignment, semiconductor, flat panel display, precision scanning applications, and cleanroom applications.
Linear Motor and Encoder Deliver Ultra-Precision, High Speed, and Acceleration
The compact A-141 features preloaded air bearings and an integral optical linear encoder. With an overall height of only 38mm, it is one of the smallest air bearing stages on the market and is well-suited to fit in small spaces. There are no electrical cables to manage. Smooth motion with no cogging or attractive forces is provided by ironless linear motors; position information down to 20nm resolution comes from integrated linear encoders. The powerful linear motors reach velocities up to 0.5m/sec and acceleration to .75g.
Applications include metrology, photonics alignment, semiconductor, flat panel display, precision scanning applications, and cleanroom applications.
Features & Advantages
Travel range to 40 mm
Payload 3.5 kg
Linear Encoder, 20nm resolution
Max. Velocity 500 mm/sec
Acceleration to 0.75 g
PI is a leading manufacturer of precision motion control equipment, piezo motors, air bearing stages and hexapod parallel-kinematics for semiconductor applications, photonics, bio-nano-technology and medical engineering. PI has been developing and manufacturing standard & custom precision products with piezoceramic and electromagnetic drives for 4 decades. The company has been ISO 9001 certified since 1994 and provides innovative, high-quality solutions for OEM and research. PI is present worldwide with eleven subsidiaries, R&D / engineering on 3 continents and total staff of 850.