Y B pulley B E trailing shaft b driving shaft Y pinion F gear C Section s-s T₂ Utilizing the fatigue strength criterion

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Y B Pulley B E Trailing Shaft B Driving Shaft Y Pinion F Gear C Section S S T Utilizing The Fatigue Strength Criterion 1 (55.92 KiB) Viewed 40 times

Y B pulley B E trailing shaft b driving shaft Y pinion F gear C Section s-s T₂ Utilizing the fatigue strength criterion and geometric constraints, design the main shaft ABCD. Determine; T77 Given: a=76 mm, b=225 mm, c=100 mm, and e=40, E=204 GPa. The driving shaft is receiving power P=4400 kW at a constant speed of N=1400 rpm and supports pinion F with 20 teeth. The gear system consist of 25° pressure angle, where pinion F drives gear C through a gear ratio of 1:4. Gear C with a module of 4mm is mounted on the trailing shaft ABCD, which in turn drives pulley B, as shown in the figure above. The shaft is made from a special alloy with =440 MPa and e=200 MPa. Pulley B with a pitch diameter of 133 mm, transmits torque via a flat belt system to a pulley directly opposite (as shown in the figure) with the same PCD as B. The coefficient of friction in the pulley system is μ-22.