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← TechnologyWhich outcome occurs when a CNC lathe's toolpath deviates during stainless-steel machining?
A)Increased surface roughness✓
B)Complete machine shutdown
C)Reduced tool wear rate
D)Improved dimensional accuracy
💡 Explanation
Increased surface roughness results because undesired vibration causes chatter. Instabilities excite the tool and workpiece at resonant frequencies, causing poor surface finish due to the self-excited vibration effect, rather than reduced tool wear or dimensional accuracy, therefore damaging product tolerances.
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