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1. To avoid the problem of interference in a pair of spur gears using a 20° pressure angle, specify the minimum number of teeth allowed on the pinion (Np.act) for each of the following gear ratios, and the corresponding maximum number of teeth on meshing gear (NG,act). Assume full depth tooth. a. 1.25 to 1 b. 1.6 to 1 c. 2.5 to 1 d. 3.2 to 1

1. To avoid the problem of interference in a pair of spur gears using a 20° pressure angle, specify the minimum number of teeth allowed on the pinion (Np.act) for each of the following gear ratios, and the corresponding maximum number of teeth on meshing gear (NG,act). Assume full depth tooth. a. 1.25 to 1 b. 1.6 to 1 c. 2.5 to 1 d. 3.2 to 1

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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1. To avoid the problem of interference in a pair of spur gears using a 20° pressure angle, specify the minimum number of teeth allowed on the pinion \((N_{P, act})\) for each of the following gear ratios, and the corresponding maximum number of teeth on meshing gear \((N_{G, act})\). Assume full depth tooth. a. 1.25 to 1 b. 1.6 to 1 c. 2.5 to 1 d. 3.2 to 1 2. Repeat problem 1 for helical gears with normal pressure angle of 20° and helix angle of 30°.
Transcribed Image Text:1. To avoid the problem of interference in a pair of spur gears using a 20° pressure angle, specify the minimum number of teeth allowed on the pinion \((N_{P, act})\) for each of the following gear ratios, and the corresponding maximum number of teeth on meshing gear \((N_{G, act})\). Assume full depth tooth. a. 1.25 to 1 b. 1.6 to 1 c. 2.5 to 1 d. 3.2 to 1 2. Repeat problem 1 for helical gears with normal pressure angle of 20° and helix angle of 30°.
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