Question: In testing the wear life of gear teeth, the gears are assembled by using a pretorsion. In this way, a large torque can exist even

In testing the wear life of gear teeth, the gears are assembled by using a pretorsion. In this way, a large torque can exist even though the power input to the tester is small. The arrangement shown in the figure uses this principle. Note the symbol used to indicate the location of the shaft bearings used in the figure. Gears A, B, and C are assembled first, and then gear C is held fixed. Gear D is assembled and meshed with gear C by twisting it through an angle of 4◦ to provide the pretorsion. Find the maximum shear stress in each shaft resulting from this preload.

4.ft B. 6-in dia C. 6-in dia Ã·india. 2-in dia D. 22 in dia. A. 2-in dia.

4.ft B. 6-in dia C. 6-in dia Ã·india. 2-in dia D. 22 in dia. A. 2-in dia.

4.ft B. 6-in dia C. 6-in dia india. 2-in dia D. 22 in dia. A. 2-in dia.

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