Degarmo's Materials And Processes In Manufacturing
13th Edition
ISBN: 9781119492825
Author: Black, J. Temple, Kohser, Ronald A., Author.
Publisher: Wiley,
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Textbook Question
Chapter 24, Problem 2RQ
How is the feed per tooth related to the feed rate of the table in in/sec?
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Fill in the data needed in the table
RPM
FEED
LENGTH OF CUT
CUTTING TIME
325
0.006
6.
6 1/8
74
0.010
2 7/8
130
0.008
1 1/2
Write the NC part program for the part. Holes are threaded and requires two tools; T1 is a 0.5"
HSS drill bit and T2 is a 0.5" tapping bit. The rest of the features are cut using a 0.75" HSS
milling tool, T3. Feed rate and spindle speed are 10 ipm and 2000 rpm. The material is low-
carbon steel. Part thickness is 0.5”. Use dotted lines two show the path of tools movements.
Set up proper operation conditions as discussed in the class today.
For straight turn of a 6 x 1.1-inch dia. into 1in finished diameter material. What is the time required to finished a cut when the depth of cut is 0.02 inch and the feed rate 5 inch / sec, RPM is 60.
The subject is Machine Shop Theory
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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