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 31, Problem 37RQ
What is the most important property of a crown gear?
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Chapter 31 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 31 - How does the pitch diameter differ from the major...Ch. 31 - Prob. 2RQCh. 31 - Prob. 3RQCh. 31 - Prob. 4RQCh. 31 - Prob. 5RQCh. 31 - Explain the meaning of 14 -20 UNC-3A.Ch. 31 - Prob. 7RQCh. 31 - Prob. 8RQCh. 31 - Prob. 9RQCh. 31 - Prob. 10RQ
Ch. 31 - Prob. 11RQCh. 31 - Prob. 12RQCh. 31 - Prob. 13RQCh. 31 - What is the reason for using a taper tap before a...Ch. 31 - Prob. 15RQCh. 31 - Can a fluteless tap be used for threading a hole...Ch. 31 - What provisions should a designer make so that a...Ch. 31 - What is the major advantage of a spiral-point tap?Ch. 31 - Prob. 19RQCh. 31 - Is it desirable for a tapping fluid to have...Ch. 31 - How does thread milling differ from thread...Ch. 31 - What are the advantages of making threads by...Ch. 31 - Prob. 23RQCh. 31 - Prob. 24RQCh. 31 - What is a fluteless tap?Ch. 31 - Why is the involute form used for gear teeth?Ch. 31 - What is the diametral pitch of a gear?Ch. 31 - What is the relationship between the diametral...Ch. 31 - On a sketch of a gear, indicate the pitch circle,...Ch. 31 - What five requirements must be met for gears to...Ch. 31 - What are the advantages of helical gears compared...Ch. 31 - Prob. 32RQCh. 31 - What difficulty would be encountered in bobbing a...Ch. 31 - What is the only type of machine on which...Ch. 31 - Prob. 35RQCh. 31 - Why arent more gears made by broaching?Ch. 31 - What is the most important property of a crown...Ch. 31 - What are three basic processes for machining...Ch. 31 - Which basic gear-machining process is utilized in...Ch. 31 - When a helical gear is machined on a milling...Ch. 31 - Why is a gear-hobbing machine much more productive...Ch. 31 - Prob. 42RQCh. 31 - What are the advantages of cold-roll forming for...Ch. 31 - Prob. 44RQCh. 31 - Under what conditions should shaving not be used...Ch. 31 - Prob. 46RQCh. 31 - Can lapping be used to finish cast iron gears?Ch. 31 - What factors are usually checked in inspecting...Ch. 31 - What are the basic methods for gear finishing?Ch. 31 - A hob that has a pitch diameter of 76.2 mm is used...Ch. 31 - In Figure 31.17, a form-milling operation and...Ch. 31 - A gear-broaching machine can complete the gear in...Ch. 31 - Prob. 4PCh. 31 - If only three gears described in Problem 4 were to...Ch. 31 - Based on the size and shape of the product,...Ch. 31 - What type of engineering materials might be able...Ch. 31 - Prob. 3CS
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- Describe gear and classification of gears and detail also explain terms used in gears?arrow_forwardQuestion 1 What is the difference between bending stress and pitting resistance? And why is it important to verify the bending stress of the standard selected gearsarrow_forwardTwo mating 20°, 8-pitch, spur gears have 14 and 42 teeth. Will they interfere?arrow_forward
- 3.Explain by drawing a figure how the relationship between the basic circle diameter of the Evolvent gears and the radius of the rolling circle is obtained?arrow_forwardThe questions is this: A 5000-lb. gear box is provided with a steel (as rolled B1113) eyebolt for use in moving it. What size bolt should be used: a.if UNC threads are used? b.If UNF threads are used? c.If the 8-thread series is used? and I got the answer in the picture provided. Can you explain further the basis of the choice of the design factor?arrow_forwardIf the diametral pitch is 6 teeth per mm, what is the tooth thickness for a 14.5 degree composite gear?arrow_forward
- QUESTION 25 For practical working gears as manufactured, typically O the addendum, a, is larger than the dedendum, b. O tooth thickness exceeds witth of space O Victory is snatched from the jaws of defeat!" O width of space exoeeds tooth thíckness O the base circle is slightly larger than the pitch circle.arrow_forwardState law of gearing? What do you understand by the term ‘interference’ as applied to gears? Give me a clear answer please. with a drawingarrow_forwardwhat is the range of gear sizes can be achieved by forging, extrusion and metal removal processes.arrow_forward
- How can we define the module of a spur gear? a. The pitch diameter over the pi number (3.14). b. The pitch diameter multiplied by the tooth number. c. The circular pitch multiplied by the pi number (3.14). d. The circular pitch over the pi number (3.14).arrow_forwardThis question from subject engineering drawingarrow_forwardWhat is the pressure angle for gear teeth? Why would some gears have different pressure angles?arrow_forward
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