A through hole is drilled in an aluminum alloy plate of 15 mm thickness with a drill bit of diameter 10 mm, at a feed of 0.25 mm/rev and spindle speed of 1200 rpm. If the specific energy required for cutting this material is 0.7 N−m/mm3, the power required is_____(round off to two decimal places).274.89

A through hole is drilled in an aluminum alloy plate of 15 mm thicknes

1.	A through hole is drilled in an aluminum alloy plate of 15 mm thickness with a drill bit of diameter 10 mm, at a feed of 0.25 mm/rev and spindle speed of 1200 rpm. If the specific energy required for cutting this material is 0.7 N−m/mm3, the power required is_____(round off to two decimal places).274.89
Answer» A through hole is drilled in an aluminum alloy plate of 15 mm thickness with a drill bit of diameter 10 mm, at a feed of 0.25 mm/rev and spindle speed of 1200 rpm. If the specific energy required for cutting this material is 0.7 $N - m / m m^{3}$ , the power required is_____(round off to two decimal places). 274.89

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