V-408 Linear Motor Stage with Miniaturized Dimensions and fast 3-Phase Linear Motor by Physik Instrumente

The V-408 compact linear motor stage from Physik Instrumente is an affordable, precision positioning stage for automation applicaitons in industry and research. 3-phase magnetic direct drives do not use mechanical components in the drivetrain, they transmit the drive force to the motion platform directly and without friction. The drives reach high velocities and accelerations. Iron core motors are used when forces and accelerations need to be achieved in a limited installation space. The design with iron cores maximizes the magnetic forces and ensures high thermal stability of the drive.
Crossed roller guide

With crossed roller guides, the point contact of the balls in ball guides is replaced by line contact of the hardened rollers. Consequently, they are considerably stiffer and need less preload, which reduces friction and allows smoother running. Crossed roller guides are also distinguished by high guiding accuracy and load capacity. Force-guided rolling element cages prevent linear guide creeping.
Direct position measurement

Position measuring takes place directly at the motion platform with the highest accuracy so that nonlinearity, mechanical play or elastic deformation have no influence on position measuring.

Application fields

The key features of the V-408 linear stage are:

  • Iron core 3-phase linear motor
  • Crossed roller bearings for high load capacity
  • Minimum incremental motion 20 nm
  • Bidirectional repeatability ±0.1 µm
  • Compact design
  • Low price


Industry and research. Automation technology with high demands on dynamics and precision.

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