The torque applied to the driving gear is a uniform T = 250 [lbf - in]. Both isks made from 1060 Normalized steel with a quality factor of Qv = 8. As , a safety factor of Sf = 1.5 and a reliability of 95%. Use AGMA standard m Find the pitch circle diameter (dp) for the pinion and the number of teeth ( Determine the maximum allowable bending stress (au) for the pinion gear Determine the required face width (F)for the pinion gear, Determine the face width (F) required based on surface ntact stress analysis. What is the final face width chosen for the gear system?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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In the gear system shown below, the driving gear should rotate at 4 times the speed of the driven
gear. The torque applied to the driving gear is a uniform T = 250 [lbfin]. Both gears are to be
full disks made from 1060 Normalized steel with a quality factor of Q₂ = 8. Assume 5 × 108
cycles, a safety factor of Sf = 1.5 and a reliability of 95%. Use AGMA standard methodology.
a) Find the pitch circle diameter (dp) for the pinion and the number of teeth (N₂).
b) Determine the maximum allowable bending stress (all) for the pinion gear.
Determine the required face width (F)for the pinion gear,
d) Determine the face width (F) required based on surface
contact stress analysis. What is the final face width chosen for the gear system?
Driven
dy
d₂
Driving
d = 8 in. Ng = 64 teeth
Pitch angle: = 20°
980 rpm
Transcribed Image Text:In the gear system shown below, the driving gear should rotate at 4 times the speed of the driven gear. The torque applied to the driving gear is a uniform T = 250 [lbfin]. Both gears are to be full disks made from 1060 Normalized steel with a quality factor of Q₂ = 8. Assume 5 × 108 cycles, a safety factor of Sf = 1.5 and a reliability of 95%. Use AGMA standard methodology. a) Find the pitch circle diameter (dp) for the pinion and the number of teeth (N₂). b) Determine the maximum allowable bending stress (all) for the pinion gear. Determine the required face width (F)for the pinion gear, d) Determine the face width (F) required based on surface contact stress analysis. What is the final face width chosen for the gear system? Driven dy d₂ Driving d = 8 in. Ng = 64 teeth Pitch angle: = 20° 980 rpm
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