Q1) Determine the cutting force and feed (thrust) force for a turning operation using following parameters:...
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Q1) Determine the cutting force and feed (thrust) force for a turning operation using following parameters: Material tensile strength 250MPa, Shear strength 120 MPa, chip thickness ratio r = 0.45, depth of cut = 3.0, and rake angle 6°, cutting speed 2.5 m/s, feed 0.2 mm/rev. Q2) A drilling operation is performed on a steel part using a 12.7-mm-diameter twist drill with point angle = 118°. The hole is a blind hole with a depth of 60 mm. Cutting speed = 15 m/min, and feed = 0.20 mm/rev. Determine (a) cutting time of the operation and (b) metal removal rate after the drill bit reaches full diameter. Q1) Determine the cutting force and feed (thrust) force for a turning operation using following parameters: Material tensile strength 250MPa, Shear strength 120 MPa, chip thickness ratio r = 0.45, depth of cut = 3.0, and rake angle 6°, cutting speed 2.5 m/s, feed 0.2 mm/rev. Q2) A drilling operation is performed on a steel part using a 12.7-mm-diameter twist drill with point angle = 118°. The hole is a blind hole with a depth of 60 mm. Cutting speed = 15 m/min, and feed = 0.20 mm/rev. Determine (a) cutting time of the operation and (b) metal removal rate after the drill bit reaches full diameter.
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Related Book For
Materials and process in manufacturing
ISBN: 978-0471656531
9th edition
Authors: E. Paul DeGarmo, J T. Black, Ronald A. Kohser
Posted Date:
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