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← TechnologyWhich risk increases when CNC mill's positional feedback drifts outside specified tolerances?
A)Surface finish exhibits chatter marks✓
B)Cutting tool catastrophic thermal runaway
C)Drive motor winding short circuits
D)Coolant system pump cavitation occurs
💡 Explanation
Chatter increases because the resonance frequency changes due to the positional error; this is dynamic instability. Therefore, the surface finish is affected, rather than tool damage or electromotive consequences under normal operating temperatures.
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