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← TechnologyWhich consequence results when excessive downforce is applied during centerless grinding?
A)Increased workpiece surface chatter✓
B)Elevated coolant flow restriction
C)Localized thermal expansion reduction
D)Reduced grinding wheel consumption
💡 Explanation
Excessive downforce deforms the workpiece because springback causes the workpiece to lift off the regulating wheel, leading to inconsistent material removal manifesting as surface chatter rather than even grinding; therefore chatter increases, rather than smooths the surface.
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