The four gears are attached to a steel shaft that is rotating at 2Hz. Gear B supplies 70KW of power to the shaft. Of that power, 20KW are used by gear A, 20KW by gear C, and 30KW by gear D. Use G=83GPa for steel. a. Find the uniform shaft diameter if the shear stress in the shaft is not to exceed 60MPa. b. If a uniform shaft diameter of 100mm is specified, determine the angle by which one end of the shaft lags behind the other end.
The four gears are attached to a steel shaft that is rotating at 2Hz. Gear B supplies 70KW of power to the shaft. Of that power, 20KW are used by gear A, 20KW by gear C, and 30KW by gear D. Use G=83GPa for steel. a. Find the uniform shaft diameter if the shear stress in the shaft is not to exceed 60MPa. b. If a uniform shaft diameter of 100mm is specified, determine the angle by which one end of the shaft lags behind the other end.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The four gears are attached to a steel shaft that is rotating at 2Hz. Gear B supplies 70KW of power to the shaft. Of that power, 20KW are used by gear A, 20KW by gear C, and 30KW by gear D. Use G=83GPa for steel.
a. Find the uniform shaft diameter if the shear stress in the shaft is not to exceed 60MPa.
b. If a uniform shaft diameter of 100mm is specified, determine the angle by which one end of the shaft lags behind the other end.
Transcribed Image Text:-20 kW
+70 kW
-20 kW
-30 kW
A
В
C
D
2 m 1.5 m→-1.5 m→
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