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c) The selected material is an AGMA Grade 2 steel with Brinell Hardness 240 HB. Find the fatigue bending strength and factor of safety for bending fatigue failure given the follow 200°F operating temperature 99 % reliability 10' loading cycles Sib. psi No.

c) The selected material is an AGMA Grade 2 steel with Brinell Hardness 240 HB. Find the fatigue bending strength and factor of safety for bending fatigue failure given the follow 200°F operating temperature 99 % reliability 10' loading cycles Sib. psi No.

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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only part c plzzz(hand written asap)
1. A pair of spur gears is to be selected for a drivetrain. The pinion is labeled 2, and the gear is labeled 3. The following are given: The drivetrain transfers 3 HP at a pinion shaft speed of 800 RPM (electric motor, driven machinery has "moderate shock" loading) Standard, full-depth 20-degree pitch AGMA teeth gears are made from solid disks (no thin rims) gear quality index is Q, = 1o N2 = 26, Na = 55, Pa = 14, face width F = 1.52 inches a) Find the pitch diameter of the pinion, torque load on the pinion, and tooth tangential force Lin. T 36,31 W 254,55 in-Ibf Ibf b) Find the bending stress factors, and then compute the tooth bending stress Bending stress geometry factor for the pinion, J, 0,346 V 386.93 K, 1.1 Pitch line velocity feet / minute Dynamic factor Application factor K. 1.25 Load distribution factor Size factor K, 1.03 Rim thickness factor Idler factor Bending stress, o, 0.13 psi c) The selected material is an AGMA Grade 2 steel with Brinell Hardness 240 HB. Find the fatigue bending strength and factor of safety for bending fatigue failure given the following • 200°F operating temperature 99 % reliability 10' loading cycles Stb. psi No.
Transcribed Image Text:1. A pair of spur gears is to be selected for a drivetrain. The pinion is labeled 2, and the gear is labeled 3. The following are given: The drivetrain transfers 3 HP at a pinion shaft speed of 800 RPM (electric motor, driven machinery has "moderate shock" loading) Standard, full-depth 20-degree pitch AGMA teeth gears are made from solid disks (no thin rims) gear quality index is Q, = 1o N2 = 26, Na = 55, Pa = 14, face width F = 1.52 inches a) Find the pitch diameter of the pinion, torque load on the pinion, and tooth tangential force Lin. T 36,31 W 254,55 in-Ibf Ibf b) Find the bending stress factors, and then compute the tooth bending stress Bending stress geometry factor for the pinion, J, 0,346 V 386.93 K, 1.1 Pitch line velocity feet / minute Dynamic factor Application factor K. 1.25 Load distribution factor Size factor K, 1.03 Rim thickness factor Idler factor Bending stress, o, 0.13 psi c) The selected material is an AGMA Grade 2 steel with Brinell Hardness 240 HB. Find the fatigue bending strength and factor of safety for bending fatigue failure given the following • 200°F operating temperature 99 % reliability 10' loading cycles Stb. psi No.
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