GATE 2020: Manufacturing Quiz 5
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Two cutting tools are being compared for a machining operation. The tool life equations are:
Carbide tool: VT1.6 = 3000
HSS tool: VT0.6 = = 200
where V is the cutting speed in m/min and T is the tool life in min. The carbide tool will provide higher tool life if the cutting speed in m/min exceeds
Where V is cutting speed in m/minute and T is tool life in minutes. The breakeven cutting speed beyond which Tool 2 will have a higher tool life is ________ m/minute.
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