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Probe Calibration and Form Resutls

acgarcia
Can probe calibration affect form results?

Using TP20, 3 way (T-shaped) build. Taking about 50 vector points around a cylinder and constructing a cylinder (least squared). Output cylindricity and it measured 0.0024" yesterday afternoon. Calibrated the probe this morning, re ran the same part and cylindercity measured 0.0011". All the other diameters and distances measured were different by 0.0001"-0.0002".
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  • As far as I am concerned the calibration only sets the position and the diameter of the sphere. It should not affect the cylindricity especially by that much.

    For me it is best to have a graphical analysis of the cylindricity and compare. A small impurity on the cylinder can cause this if you are not using any outlier filter.
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  • As far as I am concerned the calibration only sets the position and the diameter of the sphere. It should not affect the cylindricity especially by that much.

    For me it is best to have a graphical analysis of the cylindricity and compare. A small impurity on the cylinder can cause this if you are not using any outlier filter.
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