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Which 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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