Q96
Internal or external threads of different pitches can be produced by
A.
Pantograph milling machine
B.
Profiling machine
C.
Planetary milling machine
AnswerD.
Piano miller
Answer: Option C
Solution
Answer: Option C
Solution:
Planetary Mills are ideally suited for fine grinding of hard, medium-hard, soft, brittle, tough and moist materials.
Internal or external threads of different pitches can be produced by Planetary milling machine