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← TechnologyWhich risk increases significantly when a PLC in a robotic welding cell experiences thermal throttling during a high-duty cycle?
A)Arc instability and weld defects✓
B)Coolant pump cavitation probability
C)Premature torch nozzle degradation
D)Increased spatter adhesion time needed
💡 Explanation
Arc instability increases because *thermal throttling* causes computational jitter in the PLC. The PLC controls the welding parameters; therefore, the welding current and voltage fluctuate, rather than remain stable and suitable to production needs during the established high-duty welding cycle.
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