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← TechnologyWhich risk increases when back-EMF corrupts a CNC mill's rotary table encoder signal?
A)Erroneous positional feedback✓
B)Thermal runaway in the motor
C)Increased tool wear rate
D)Over-pressurization of cooling system
💡 Explanation
In rotary encoders, excessive back-EMF can induce erroneous currents that disrupt the **signal integrity**, because it overrides the encoder's intended output. Therefore, the CNC controller receives false positional feedback, rather than executing precise movements, causing machining errors.
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