Interpreting The Mechanical Check Pattern - GRAPHTEC CUTTING PRO FC3100-60 Service Manual

5.18 Interpreting the Mechanical Check Pattern

(1) Overshoot (sawtooth waves)
Measure the maximum peak using a glass scale and loupe.
0.14 mm ≥ ∆ε
(2) Circular distortion (a circle of 2-mm diameter)
Measure the inner diameter at eight points using a loupe.
0.14 mm ≥ (Maximum value) - (minimum value)
* Be sure to measure all eight points.
(3) Backlash (pattern)
Visually check the six backlash patterns and then measure the pattern that appears to have the largest
X/Y deviation using a glass scale and loupe.
0.15 mm ≥ α - 0.3
0.15 mm ≥ β - 0.3
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FC3100-60 Service Manual
P/N53802-031T Rev. A