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← TechnologyWhich outcome occurs when excessive radial force bends a lathe's spindle?
A)Chatter vibrations begin to resonate✓
B)Thermally-induced creep increases
C)The cutting tool work-hardens
D)Machine accuracy remains unchanged
💡 Explanation
When excessive force bends a lathe spindle, the **stick-slip effect** initiates chatter because of fluctuating friction forces between the tool and workpiece. Therefore, vibrations intensify making smooth cuts difficult, rather than increased metal creep, which would occur from elevated temperatures.
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