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← TechnologyWhich outcome occurs when a CNC lathe is unable to maintain positional tolerances during titanium alloy machining?
A)Increased tool wear, material deformation✓
B)Optimal surface finish, reduced costs
C)Decreased thermal stress, higher rigidity
D)Improved chip control and accuracy
💡 Explanation
Increased tool wear and material deformation occurs because excessive vibration due to insufficient rigidity activates **chatter**. Tool and workpiece deviations cause friction and increased temperature, therefore leading to premature tool failure and altered part dimensions, rather than optimal finish because vibration degrades quality.
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