Answers (3)

lathika 01-09-2012
lathika - Rashtrasant Tukdoji Maharaj Nagpur University
Two purposes of dressing a grinding wheel are (1) to renew the wheel surface by fracturing abrasive particles and (2) to remove tiny pieces of embedded workpiece material.
bnsii 01-09-2012
bnsii - Agra University
Removal of tiny pieces and renewal of wheel surface are two main purposes of dressing a grinding wheel.

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