Straightness Data Routine

Data analysis and calculations for measuring straightness

How to Measure Straightness With the Microgage

The laser transmitter projects a straight reference beam that passes over the surface or object to be measured. The receiver is then placed on the surface, track, rail, shaft or item to be checked and the display shows the height from the bottom of the receiver housing to the center of the laser reference beam. Taking multiple linear measurements provides a profile of the surface.

Step by Step Instructions

  1. Place receiver at Distance A, and record readings in table.
  2. Place receiver at Distance B, and record readings in table.
  3. The calculated rise over run is a factor that can now be applied to any measured distance.
  4. Record any further measurements in the table in increasing increments of distance, and the deviation from the calculated line will be reported.

Typical Linear Measurement Applications

  • Measuring straightness of long machine beds
  • Checking for runout on moving slides, tables and stages
  • Measure bend and profiles in tracks and guide rails
  • Shaft and drive alignment
  • Positioning bearings and shaft supports over long runs
  • Monitoring surface deflections and bending in long structures
  • Aligning long rail and track sections
  • Checking roll flatness and profiles
  • Measuring deflections on rams, actuators, and extrusion presses
  • Other measurement of linear deflections

Contact Pinpoint Laser Systems

Discuss your application needs with one of our alignment specialists or contact us with any questions you may have. We can be reached at:

(Phone) 978-532-8001 • (Fax) 978-532-8002 • (Email) info@pinpointlaser.com

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