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← TechnologyWhich outcome arises when hydraulic actuator in machine tool encounters excessive cutting forces on workpiece?
A)Fluid overheating and accelerated oxidation
B)Actuator stalling and pressure relief valve actuation✓
C)Increased servo valve wear from dither
D)Rod buckling and cylinder wall damage
💡 Explanation
When excessive force is applied on the hydraulic actuator, it stalls when the pressure reaches the maximum set by the relief valve because fluid is bypassing the actuator. Therefore the pressure relief valve actuates and the actuator stalls, rather than overheating, valve wear, or rod buckling which require different stress or degradation mechanisms.
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