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← TechnologyWithin high-tolerance steel grinding, which condition reduces surface waviness?
A)Increased wheel dressing frequency✓
B)Elevated coolant supply temperature
C)Reduced grinding wheel diameter
D)Higher workpiece rotational speed
💡 Explanation
Increased wheel dressing prevents wheel loading, enabling the abrasive grains to cut cleanly. This cutting action prevents uneven material removal characteristic of the stick-slip *friction*, because the high spots are preferentially removed using a sharp wheel, therefore reducing waviness, rather than thermal deformation.
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