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Unformatted text preview: F t F n F c F s Shear angle ) cos( sin / ) cos(+= bA F C solution From t1 and t2 get the chip thickness ratio and calculate the shear angle tan = r t cos / (1 r t sin ) r t = t1/t2 From the power and the speed get the cutting force Fc Power = Fc speed From the shear angle and the rake angle get the friction angle From the friction angle calculate the friction coefficient 2 / 2 / 4 / += N F = = tan Cont. From the friction coefficient and the cutting force calculate the trust force from: Ft = ( Fc  Fc tan) /(1+ tan) tan tan t c c t F F F F+ = Calculate Fs from: Calculate the dynamic shear stress Sd from Sd = Fs/As As = w t1/sin sin cos t c s F F F=...
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This note was uploaded on 04/29/2008 for the course ME 1800 taught by Professor Brown during the Winter '08 term at WPI.
 Winter '08
 Brown
 Shear, Stress

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