Application NotesAP-1117Calibration of a Coordinate measuring machine (CMM) by a MCV-5002 Laser Calibration System I.What is the problem For volumetric calibration or compensation of a CMM machine, the linearposition errors, the straightness errors, angular errors and squareness errors should all be measured for all three axes of motion. Traditional techniques forcalibration of CMMs involve measuring angles using professional lasers, autocollimatorsand/or levels, followed by straightness measurements performed with either laser Wollenston Prism setups or straight artifacts, perpendicularity measurements done with the laser or artifact, and linear measurements performed with a laser or step gage. These measurements are time consuming.

+ ROLL-

Light Flat mirror MCV-500Laser Doppler1 and 2

Z Y X

P Fig-1 Measurement of ROLL angular movement along Z axis movement (Vertical) Same set up for measurement Yaw along Y axis and Position error along Y axis II.How MCV-5002 solves the problem The MCV 5002 offers the capability to perform all of the above positioning error measurements. This will eliminate the complicated Wolleston prism setups and reduce the number of setups.
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