A spur gear set is cut with a hob. The spur gears have a pressure angle of 20 degrees and a diametral pitch of 16 teeth/inch. The pinion has 32 teeth while the gear has 80. The customer wants to replace the spur gear set with a custom helical gear set. The only requirements are: (1) the same hob must be used (2) the gear set center distance must remain the same (3) the gear ratio must remain the same. The designer has decided to use a helical pinion with 28 teeth. For the helical gear set, select the proper helix angle that will guarantee the three requirements. Report your answer in degrees, 3 decimal places.
A spur gear set is cut with a hob. The spur gears have a pressure angle of 20 degrees and a diametral pitch of 16 teeth/inch. The pinion has 32 teeth while the gear has 80. The customer wants to replace the spur gear set with a custom helical gear set. The only requirements are: (1) the same hob must be used (2) the gear set center distance must remain the same (3) the gear ratio must remain the same. The designer has decided to use a helical pinion with 28 teeth. For the helical gear set, select the proper helix angle that will guarantee the three requirements. Report your answer in degrees, 3 decimal places.
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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![A spur gear set is cut with a hob. The spur gears have a pressure angle of 20
degrees and a diametral pitch of 16 teeth/inch. The pinion has 32 teeth while the
gear has 80.
The customer wants to replace the spur gear set with a custom helical gear set.
The only requirements are: (1) the same hob must be used (2) the gear set center
distance must remain the same (3) the gear ratio must remain the same.
The designer has decided to use a helical pinion with 28 teeth.
For the helical gear set, select the proper helix angle that will guarantee the three
requirements. Report your answer in degrees, 3 decimal places.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4ea7ce3f-288f-4cd7-99a8-a1515bbcea05%2Fdbf496d3-cf1e-4d77-8e60-b27320aee079%2Fowspt9k_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A spur gear set is cut with a hob. The spur gears have a pressure angle of 20
degrees and a diametral pitch of 16 teeth/inch. The pinion has 32 teeth while the
gear has 80.
The customer wants to replace the spur gear set with a custom helical gear set.
The only requirements are: (1) the same hob must be used (2) the gear set center
distance must remain the same (3) the gear ratio must remain the same.
The designer has decided to use a helical pinion with 28 teeth.
For the helical gear set, select the proper helix angle that will guarantee the three
requirements. Report your answer in degrees, 3 decimal places.
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