A helical gearset has 1.5 mm module and a pressure angle of 20°. The width of gears is 40 mm, the pinion has 20 teeth, and gear has 120 teeth. Determine: a) The total contact ratio for the gears. b) The helix angle for the case in which the total contact ratio for gears equals 4.0.

A helical gearset has 1.5 mm module and a pressure angle of 20°. The width of gears is 40 mm, the pinion has 20 teeth, and gear has 120 teeth. Determine: a) The total contact ratio for the gears. b) The helix angle for the case in which the total contact ratio for gears equals 4.0.

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 helical gearset has 1.5 mm module and a pressure angle of 20°. The width of gears
is 40 mm, the pinion has 20 teeth, and gear has 120 teeth. Determine:
a) The total contact ratio for the gears.
b) The helix angle for the case in which the total contact ratio for gears equals 4.0.

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