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Which process limit is reached first, if thermal deformation is uncorrected during high-precision grinding of hardened steel?

A)Workpiece surface finish tolerance
B)Grinding wheel wear threshold
C)Coolant fluid flow capacity
D)Machine vibration damping limits

💡 Explanation

Surface finish gives out before temperature controls become limiting, because thermal expansion causes uneven grinding of the steel. Therefore, the workpiece exceeds the specified finish, rather than wheel geometry degrading or any fluid constraint becoming the dominant problem.

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