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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Chapter 31, Problem 42RQ
To determine
The meaning of generation of tooth profile in gear shaping and gear hobbing.
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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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- I need the answer quicklyarrow_forwardA power of 25 KW is transmitted by a pair of spur gears. Pressure angle= 20, radial force generated is 220 daN, the first gear speed is 600 rpm and the number of teeth is 33, the rotation ratio is 3 and the pitch diameter of the second gear how much?arrow_forwardI need Some good Expert answer this Question, Don't Submit previous solution.arrow_forward
- In a single-stage gear wheel system with an evolvent profile, the rotating (driveThe number of teeth of the gear is Z1=10, the number of teeth of the rotated gear is Z2=20 and the modulus is m=5 mm; The rotating gear rotates clockwise.a) By calculating gear sizes; Draw in 1:1 scale.arrow_forwardExplain various types of Gear. With the help of a neat sketch, explain the law of gearing? Explain the need of clearance in a gear. What are the harmful effect of backlash error?arrow_forwardplease show derivations, and how did u get them. thank you!!arrow_forward
- How many revolutions per minute is a spur gear turning, if it has 30 teeth, a circular pitch of 0.785-in. and a pitch line velocity of 15 ft/sec?arrow_forwardIf in a gear design problem, the required hardness of steels per allowable gear bending strength is: HB = 158; while the required hardness of steels per allowable gear contact strength is: HB = 256. Which material HB hardness will be used for gear material specification? 256 158 120 400arrow_forwardRefer to Figure 1 and answer the below questions specifying the values and units when necessary: What is the outer radius of the gear: • What is the inner radius of the gear: • What is the value of a tooth width: What is the value of a tooth angle: • What is the scale factor of a Detail A: How many teeth does the gear have: How many 018mm holes does the gear have: • What is the thickness of the gear: • What is the radius of the middle hole: DETAIL A SCALE 2:1arrow_forward
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