A gear reduction unit uses the countershaft shown in the figure. Gear A receives power from another gear with the transmitted force FA applied at the 20° pressure angle as shown. The power is transmitted through the shaft and delivered through gear B through a transmitted force FB at the pressure angle a = 34°. Determine the bending moment at the critical location assuming the bearings act as simple supports. Put your answer in the lbf.in unit to 4 significant figures. Only enter the numerical value and positive/negative sign. 1.25-india. 16 in Gear A- 20-in dia. FA-300 lbf 20 Gear B 8-in dia.
A gear reduction unit uses the countershaft shown in the figure. Gear A receives power from another gear with the transmitted force FA applied at the 20° pressure angle as shown. The power is transmitted through the shaft and delivered through gear B through a transmitted force FB at the pressure angle a = 34°. Determine the bending moment at the critical location assuming the bearings act as simple supports. Put your answer in the lbf.in unit to 4 significant figures. Only enter the numerical value and positive/negative sign. 1.25-india. 16 in Gear A- 20-in dia. FA-300 lbf 20 Gear B 8-in dia.
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter11: Columns
Section: Chapter Questions
Problem 11.2.4P: Repeat Problem 11.2-3 assuming that R= 10 kN · m/rad and L = 2 m.
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Transcribed Image Text:A gear reduction unit uses the countershaft shown in the figure. Gear A receives power from another gear with the transmitted force
FA applied at the 20° pressure angle as shown. The power is transmitted through the shaft and delivered through gear B through a
transmitted force FB at the pressure angle a = 34º. Determine the bending moment at the critical location assuming the bearings act
as simple supports.
Put your answer in the lbf.in unit to 4 significant figures. Only enter the numerical value and positive/negative sign.
Answer:
1.25-in dia.
Gear A
20-in dia.
F-300 lbf
16 in
20⁰
14 in
Gear B
8-in dia.
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