M-122 Miniaturized Precision Linear Positioning Stage with Linear Encoder from Physik Instrumente

The M-122 palm-top-sized translation stage integrates small dimensions, high speeds and very high accuracy at a competitive price. It features a space-saving, folded drive train with the servo motor and drive screw side-by-side.

Equipped with a non-contacting optical linear encoder and a preloaded, precision-ground, ball-screw, these stages can provide much higher accuracy and better repeatability than conventional stepper motor stages or rotary encoder-equipped servo motor stages.

Due to its low-friction, the backlash-free ball screw yields significantly higher mechanical efficiency than leadscrews, and allows maintenance-free, high duty-cycle operation at high velocities up to 20 mm/sec.

M-122 stages can be combined to very compact XY and XYZ systems. The M-122.AP1 mounting bracket is available to mount the Z-axis. In order to protect the equipment non-contact Hall-effect limit and reference switches are installed. The direction-sensing reference switch supports advanced automation applications with high precision.

Key Features

The key features of the M-122 are:

  • Travel Range 25 mm
  • Optical Linear Encoder for Highest Accuracy & Repeatability
  • Min. Incremental Motion to 0.2 µm
  • Max. Velocity 20 mm/s
  • Cross-Roll Bearings
  • Recirculating Ball Screw Drives Provide High Speeds & Long Lifetimes
  • Invar Version On Request

Application Examples

The M-122 find applications in the following areas:

  • Photonics packaging
  • Fiber positioning
  • Metrology
  • Quality assurance testing
  • Testing equipment
  • Micromachining
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