Tag: Improving Accuracy of Long Travel Linear Positioning Stages with Error Mapping

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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