3. A helical gear has a transverse diametral pitch of 6, a transverse pressure angle of 14°, 36 teeth, a face width of 1.00 in, and a helix angle of 45°. (a) If the gear transmits 15.0 hp at a speed of 2200 rpm, compute the tangential force, the axial force, and the radial force. (b) If the gear operates with a pinion having 12 teeth, compute the bending stress in the pinion teeth. The power comes from a six-cylinder gasoline engine, and the drive is to a concrete mixer. Specify a qual- ity number for the teeth. (c) Specify a suitable material for the pinion and the gear considering both strength and pitting resis- FITN

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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3. A helical gear has a transverse diametral pitch of 6, a
transverse pressure angle of 145°, 36 teeth, a face width
of 1.00 in, and a helix angle of 45°.
(a) If the gear transmits 15.0 hp at a speed of
2200 rpm, compute the tangential force, the
axial force, and the radial force.
(b) If the gear operates with a pinion having 12 teeth,
compute the bending stress in the pinion teeth. The
power comes from a six-cylinder gasoline engine,
and the drive is to a concrete mixer. Specify a qual-
ity number for the teeth.
(c) Specify a suitable material for the pinion and the
gear considering both strength and pitting resis-
tance.
Transcribed Image Text:3. A helical gear has a transverse diametral pitch of 6, a transverse pressure angle of 145°, 36 teeth, a face width of 1.00 in, and a helix angle of 45°. (a) If the gear transmits 15.0 hp at a speed of 2200 rpm, compute the tangential force, the axial force, and the radial force. (b) If the gear operates with a pinion having 12 teeth, compute the bending stress in the pinion teeth. The power comes from a six-cylinder gasoline engine, and the drive is to a concrete mixer. Specify a qual- ity number for the teeth. (c) Specify a suitable material for the pinion and the gear considering both strength and pitting resis- tance.
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