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← TechnologyWhich consequence results when resolver sensor drift exceeds tolerances within a CNC mill's rotary axis feedback loop?
A)Increased bearing preload instability risk.
B)Catastrophic coolant pump cavitation occurs.
C)Unintended workpiece profile distortions occur.✓
D)Drive amplifier over-current protections engage.
💡 Explanation
Workpiece distortions occur because accumulated `positional error` in the rotary axis calibration increases rather than maintaining accuracy under load; therefore, the machined part deviates beyond acceptable tolerances, as servo control falters, not purely overload or bearing concerns via a temperature change.
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