PI, a leading manufacturer of air bearings and precision motion systems offers two economical series of high-performance direct-drive linear stage modules, namely the V-855 and V-857 product families. The direct-drive stages were specifically designed to cater to high-load and high-duty-cycle industrial precision motion applications, where conventional actuators utilizing leadscrew or timing-belt drives fall short in terms of accuracy, robustness, and reliability.
By leveraging maintenance-free and friction-free high-speed linear motors, these linear motion systems enable enhanced productivity with reduced cycle times and faster return on investment. Their superior performance makes them ideal for high-performance applications that demand smooth scanning motion, minimal tracking errors, and rapid settling times.
Available with travel ranges from 200mm to 800mm, the linear modules are designed for easy configurability allowing multi-axis assemblies, and compact and mid-sized gantry set-ups, all supported by EtherCat-based motion controllers.
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High Resolution Linear Encoders, High Load, Rapid Acceleration
The direct-drive linear stages provide high load capacities to 220lbs (1000N), and long travel ranges up to 32”. Integrated linear encoders provide resolution down to 1 nanometer. Absolute measuring encoders are also available.
Acceleration is as rapid as 5G’s and top speeds of 196”/sec (5m/sec) can be reached. Because of the play-free and backlash-free direct-drive mechanics, settling times are extremely short, and bidirectional repeatability is excellent.
High Performance Industrial EtherCAT-based Motion Controllers
PI provides EtherCAT-based high-performance industrial motion controllers – up to 8 axes can be operated from one 19” rack and EtherCAT makes it very easy to add more.