Answer to Question #122967 in Mechanical Engineering for Sebastian

Question

An intermediate shaft of a gearbox, supporting two spur gears A and B and mounted between two bearings C1 and C2, is shown in the figure below. The pitch circle diameters of gears A and B are 500 and 250 mm respectively. The shaft is made of alloy steel 20MnCr5. (Sut = 620 and Syt = 480 N/mm2). The factors kb and kt of the ASME code are 2 and 1.5 respectively. The gears are keyed to the shaft. Determine the shaft diameter using the ASME code.

Answer 1

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