Tag: Long Travel Linear Stage Motion Control

Improving Accuracy of Long Travel Linear Positioning Stages with Error Mapping

Linear encoders significantly improve the accuracy and repeatability in stepper or servo-motor positioning stages based on lead or ballscrew drives – they remove drivetrain based play, backlash, and screw pitch errors. But even the best linear encoders are not perfectly linear. As long as these linearity errors are repeatable, there is a way to reduce […]

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About PI

PI (Physik Instrumente) 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 fifteen subsidiaries, R&D / engineering on 3 continents and total staff of more than 1,000.

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