Please solve it on neat paper. A mild steel block is being drilled with a drill of 10 mm diameters. GivenHelix angle = 30°Feed = 0.2 mm/rev%3DTs = 450 N/mm?Estimate the drilling torque and thrust using Lee and Shaffer's shear angle relation. Assumethe coefficient of friction between the chip and the drill to be 0.75.

Drilling is the most common hole-making operation. It is usually performed with the help of a twist…

A mild steel block is being drilled with a drill of 10 mm diameters. Given Helix angle = 30° Feed = 0.2 mm/rev = 450 N/mm? Estimate the drilling torque and thrust using Lee and Shaffer's shear angle relation. Assume the coefficient of friction between the chip and the drill to be 0.75.

A mild steel block is being drilled with a drill of 10 mm diameters. Given Helix angle = 30° Feed = 0.2 mm/rev = 450 N/mm? Estimate the drilling torque and thrust using Lee and Shaffer's shear angle relation. Assume the coefficient of friction between the chip and the drill to be 0.75.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Mechanical Drawings

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Please solve it on neat paper.

A mild steel block is being drilled with a drill of 10 mm diameters. Given
Helix angle = 30°
Feed = 0.2 mm/rev
%3D
Ts = 450 N/mm?
Estimate the drilling torque and thrust using Lee and Shaffer's shear angle relation. Assume
the coefficient of friction between the chip and the drill to be 0.75.

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