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 shown. For the steel countershaft shown below, assume the bearings have a maximum slope specification of 0.062° for good bearing life. Check wether the shaft dia below meets the requirement. If not determine a suitable shaft diameter.

Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter1: Tension, Compression, And Shear
Section: Chapter Questions
Problem 1.8.10P: A steel punch consists of two shafts: upper shaft and lower shaft. Assume that the upper shaft has a...
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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 Fg at the pressure angle shown. For the steel
countershaft shown below, assume the bearings have a maximum slope
specification of 0.062° for good bearing life. Check wether the shaft dia below meets
the requirement. If not determine a suitable shaft diameter.
400 mm
FB
350 mm
25°
300 mm
FA = 11 kN•
20°
50-mm dia.
Gear A, 600-mm dia.
Gear B, 300-mm dia.
mm.
The minimum shaft diameter is determined to be
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 Fg at the pressure angle shown. For the steel countershaft shown below, assume the bearings have a maximum slope specification of 0.062° for good bearing life. Check wether the shaft dia below meets the requirement. If not determine a suitable shaft diameter. 400 mm FB 350 mm 25° 300 mm FA = 11 kN• 20° 50-mm dia. Gear A, 600-mm dia. Gear B, 300-mm dia. mm. The minimum shaft diameter is determined to be
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