GATE ME 2016 Set 2 — Question 34
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Manufacturing Processes → Machining & Machine Tools → Conventional Machine Tools
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Question
The following data is applicable for a turning operation. The length of job is , diameter of job is , feed rate is and optimum cutting speed is . The machining time (in min) is __________
Correct answer
7.4 to 7.6
Solution
Machining time () for a turning operation is given by the formula:where:
- is the length of the job ()
- is the feed rate ()
- is the rotational speed in rpm.
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