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Manufacturing Q10 - The shear strength of a certain work material 50,000 lb'in". An orthogonal cutting...

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Q10 - The shear strength of a certain work material 50,000 lb'in". An orthogonal cutting operation is perfommed using a tool with a rake angle = 20° at the following cutting conditions: cutting speed = 100 ft/min, chip thickness before the cut = 0.015 in, and width of cut = 0.150 in. The resulting chip thickness ratio = 0.50. Determine (a) the shear plane angle; (b) shear force; (c) cutting force and thrust force, and (d) friction force. wers: o = 29.5, Fs = 228 Ib, Fc = 397 Ib, Ft = 238 Ib, F = 359 lb


Q8- The orthogonal cutting operation described in previous Problem 21.7 involves a work material whose shear strength is 40,000 lb/in². Based on your answers to the previous problem, compute (a) the shear force, (b) cutting force, (c) thrust force, and (d) friction force. wers: Fs = 91.2 lb, Fc = 155 Ib, Ft = 77.2 lb, F = 115 lb
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