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← TechnologyWithin a hot metal forging press, which consequence results when an actuator's hydraulic oil overheats?
A)Decreased actuator positional control✓
B)Increased actuator mechanical stiffness
C)Elevated quenching phase temperature
D)Enhanced die lubrication performance
💡 Explanation
Elevated oil temperature reduces its viscosity; this invokes increased internal leakage within the actuator through viscous drag reduction that interferes with servovalve control. Therefore, position accuracy decreases, rather than viscosity improving or affecting other coupled thermal stages.
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