AVX System User Guide
8.4 Performing Monthly Calibration Verification While not always strictly necessary, it is recommended that the calibration verification described in this section be performed periodically depending on user experience. A calibration verification standard artifact is available from Starrett authorized distributors or directly from the Starrett service department. Calibration should also be verified after the system has been serviced or moved. The following is a brief description of the steps recommended for the verification of your machine.
Figure 31. Calibration Verification Standard Placement
To validate calibration, perform the following steps:
1. Place the calibrated verification standard in one the six positions on the glass stage as shown in the previous figure. Secure the standard with hot melt glue or other suitable retaining method so that stage translation cannot move the standard under any condition. 2. Skew the center of the two end circles. Refer to the MetLogix M3 Video and FOV Inspection Software User’s Guide for detailed information. 3. Measure the distance between the 1st and 2nd, 1st and 3rd, 1st and 4th, 1st and 5th, and the 1st and 6th fiducials.
4. Repeat these measurements three times.
5. Calculate the absolute average deviation for each of the six groups of distance measurements.
6. Repeat the measurements for all six locations shown in the previous figure.
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