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← TechnologyWhich outcome occurs when exceeding tolerance limits during CNC lathe machining of a hardened steel aerospace component?
A)Increased stress concentration and cracking✓
B)Improved surface finish characteristics
C)Enhanced dimensional stability at high temp
D)Decreased material removal rates required
💡 Explanation
Increased stress concentration and cracking occurs because exceeding tolerance limits causes undue mechanical stress during machining due to tool contact forces inducing micro-cracks; therefore the component is prone to failure, rather than exhibiting improved properties.
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