DeGarmo's Materials and Processes in Manufacturing
12th Edition
ISBN: 9781118987674
Author: J. T. Black, Ronald A. Kohser
Publisher: WILEY
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Textbook Question
Chapter 24, Problem 3P
If the depth of cut is 0.35 in., what is the metal removal rate in Problem 2?
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Must solve all the questions. Otherwise dont attempt it. If attempted partially, i will surely dislike. So solve all questions.
.cutting speed is 9m/min. The return time to cutting time is 1:4 and the feed is 3mm
Q.4 (i)
Find the time required for taking a cemplete cut on a plate 600 × 900 mm", if the
cutting speed is 9m/min. The return time to cutting time is 1:4 and the feed is 3mm
for the shaper. The clearance at each end is 75 mm.
(11) A hole of 30 mm diameter and 75 mm depth is to be drilled. The feed is 1.3
mm/rev and the cutting speed is 62 m/min. Assuming tool approach and tool over
travel as 6 mm. Calculate :
(a) Cutting time and
(b) Material removal rate
Q.5 Write short note on the following -
(i) Up milling and down milling processes
(ii) Balancing of grinding wheels
(iii) Gear hobbing
ittp3.7 w w w.ItuommC.com
An orthogonal cutting operation is being carried out under the following conditions:
depth of cut, to = 0.1 mm, rake angle, a = 10°, Cutting force, Fc =1500 N, and Thrust
force, Ft = 800 N. Calculate the shear force.
Chapter 24 Solutions
DeGarmo's Materials and Processes in Manufacturing
Ch. 24 - Suppose that you wanted to machine cast iron with...Ch. 24 - How is the feed per tooth related to the feed rate...Ch. 24 - Why must the number of teeth on the cutter be...Ch. 24 - Why is the question of up or down milling more...Ch. 24 - For producing flat surfaces in mass-production...Ch. 24 - Milling has a higher metal removal rate than...Ch. 24 - Which type of milling (up or down) is being done...Ch. 24 - Why does down milling dull the cutter more rapidly...Ch. 24 - What parameters do you need to specify in order to...Ch. 24 - In Figure 24.2b, the tool material is carbide....
Ch. 24 - What is the advantage of a helical-tooth cutter...Ch. 24 - What would the cutting force diagram for Fc look...Ch. 24 - Could the stub arbor-mounted face mill shown in...Ch. 24 - In a typical solid arbor milling cutter shown in...Ch. 24 - Make some sketches to show how you would you set...Ch. 24 - Make some sketches to show how you would set up a...Ch. 24 - Explain how controlled movements of the work m...Ch. 24 - Prob. 18RQCh. 24 - What is the purpose of the hole-circle plate on a...Ch. 24 - You have selected a feed per tooth and a cutting...Ch. 24 - How much time will be required for a milling...Ch. 24 - If the depth of cut is 0.35 in., what is the metal...Ch. 24 - Prob. 4PCh. 24 - Calculate the spindle rpm and table feed (ipm) for...Ch. 24 - A gray cast iron surface 6 in. wide and 18 in....Ch. 24 - Prob. 7PCh. 24 - In Figure 24.12, the feed is 0.006 in. per tooth....Ch. 24 - Suppose you want to do the job described in...Ch. 24 - The Bridgeport vertical-spindle milling machine is...Ch. 24 - The KC Machine Works, which does job shop...
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- Write down the steps required to proof the mathematical relation for SHEAR PLANE ANGLE in Orthogonal Cutting Model. i-e. Prove the following relation:arrow_forwardQuestion 3. a. A cast iron component for motorcycle is to be turned with machine settings of feed = 0.22 mm/rev, and speed = 100 m/min. The cutting tool is a carbide tip with a nose radius of 1.2 mm and the rai for the material at a cutting speed of 100 m/min is 1.3. Calculate the surface roughness for this cut. [6 marks]arrow_forwardProblem 10.21 Estimate the time required for one complete cut on a workpiece of length 350 mm and diameter 70 mm by a cutting tool which operates at 35 m/min. Take feed to be 0.25 mm/rev.arrow_forward
- During orthogonal cutting of mild steel with a 10° rake angle tool, the chip thickness ratio was obtained as 0.4 .Calaculate the shear angle.arrow_forwardPlease provide a sketch for each tool in each step! I want to get a full mark please read the instructions. Thank you!arrow_forwardQ1. What are parameters of cutting process? mention it with units.arrow_forward
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- Note: Read the question carefully and give me right solutions according to the question. In orthogonal cutting of steel tube of 150 mm diameter and 2 mm thick, the cutting force was 130 kg and feed force was 35 kg for chip thickness of 0.3mm. The orthogonal cut was taken at 60 meter per minute with a feed of 0.14 mm/rev. If the back rack angle of the cutting tool was - 8 o (minus 8 degree), then calculate the shear strain and strain energy per unit volume.arrow_forwardcalculate the time taken to complete a 300 mm long cut on an aluminium plate using a 75 mm diameter slab mill with 6 teeth.arrow_forwardWhat would a .010 - .020 cutback of a 14.500 Diameter be?arrow_forward
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