331 Series Stage

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SKU: 90160000

331 Series Stage

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331 Series Stage


The 331 precision ball bearing translation stage offers exceptionally smooth linear travel. The time-tested design has been improved with the addition of more bearing area than similar stages. The increased bearing surface reduces non-linear motion when changing directions, and maximizes linearity towards the end of travel. The 331 has a side located non-influencing lock that is integrated with a graduated scale for position readout of 0.04 inches (1 mm). The actuator mounting block and stop block are designed to enable either right or left-hand mounting of the drive device. The actuator mounting block is compatible with our TPI series adjustment screws, 400 and 800 series actuators, as well as standard micrometers. The spring-loaded 331 stage is stackable for XY positioning requirements and is compatible with our MX-AB for Z-axis applications.

Product Features

  • Integrated scale / lock
  • Right and left-hand drive adjustable
  • Compatible with standard micrometers
  • Vacuum compatible versions available upon request

Performance Specifications

  • Maximum horizontal axis load: 15 lbs, centered
  • Maximum vertical axis load: 3 lbs, centered
  • Travel: 1.0-inch (25mm)
  • Minimum controllable motion:
    • 20TPI: 20 µm
    • 40TPI: 10 µm
    • 80TPI: submicron
    • 100TPI: submicron
    • 127TPI: submicron

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