The new reference-class linear stages L-417 and V-417 from precision nanopositioning specialist PI (Physik Instrumente) are available in ballscrew and linear motor configurations. Both designs offer high resolution with improved tracking performance, smaller tracking error and improved settling time, according to their maker. Applications for both include high demands on dynamics, precision, smooth scan motion, short settling times and low tracking error, such as laser cutting, scanning, digital printing, electronics assembly and inspection, AOI (automatic optical inspection), automation and flat panel manufacturing.
The L-417 precision, heavy-duty ball screw model accommodates a load capacity of 450 N on its 166-m width frame with a travel up to 813 mm. With a synchronous servo motor, it uses rotary and linear encoders, and can be re-lubricated without disassembly, further extending its high reliability and long lifetime. A cover strip on the side and the purge air connection prevent contamination of the working components by particles. An optional holding brake allows an increase in its usability as a Z axis stage.
With a similar load capacity, width and travel range, the V-417 is powered by an ironless linear motor and precision linear encoder. The 3-phase magnetic direct drive transmits a drive force of 87N to the motion platform directly, without friction. Such smooth running at high and low velocities means no vibration and easy position control. Also, like its ball-screw family member, the V-417 has a cover strip on the side and the purge air connection prevents contamination of the working components by particles.
Standard and custom
PI can modify existing product designs or provide a fully customized OEM part to fit the exact requirements of the customer’s application.