Discussion
Knurling is the operation done on which machine
Answer: D
Knurling is done on the lathe machine.
Knurling presses a straight or diamond pattern into a cylindrical surface, such as a tool handle or a thumb screw, to give a better grip. The work revolves in the lathe while a knurling tool, carrying hardened knurled wheels, is held in the tool post and forced against it with a slow speed and a coarse feed. The metal is displaced rather than cut.
A grinding machine finishes surfaces with an abrasive wheel, a milling machine cuts with a rotating multi-tooth cutter, and a drilling machine makes holes. None of them rotates the work against a fixed forming roller the way a lathe does.
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