GATE ME 2015 Set 2 — Question 62
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Manufacturing Processes → Machining & Machine Tools → Merchant's Circle & Forces
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Question
A single point cutting tool with rake angle is used in an orthogonal machining process. At a cutting speed of , the thrust force is . If the coefficient of friction between the tool and the chip is , then the power consumption (in kW) for the machining operation is ________
Correct answer
2 to 2.2
Solution
Given:
Rake angle,
Cutting speed,
Thrust force,
Coefficient of friction, For orthogonal cutting with zero rake angle ():Power consumption () is given by:The power consumption is .
Rake angle,
Cutting speed,
Thrust force,
Coefficient of friction, For orthogonal cutting with zero rake angle ():Power consumption () is given by:The power consumption is .
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