Mechanical Engineering - Production Engineering - Discussion

Discussion Forum : Production Engineering - Section 8 (Q.No. 53)
53.
The cutting speed for drilling __________ with high speed steel drills is 24 to 45 m/min.
mild steel
copper
aluminium
brass
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Paby said:   7 years ago
Stainless steel - 12-18 m/min,
Copper - 18-30 m/min,
Mild Steel - 24-45 m/min,
Al, Brass & Bronze - 60-90 m/min.
(3)

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