Question: 6 . 0 A machine shaft turning at 6 0 0 rpm is supported on bearings 7 6 cm apart . Fifteen ( 1 5

6.0 A machine shaft turning at 600 rpm is supported on bearings 76 cm apart . Fifteen (15 kW ) is Kw is
supported through a 46 cm pulley located 26 cm to the right bearing. Power is transmitted from
shaft through a 20 cm spur gear located 26 cm to the right of the left bearing. The belt drive is at an
angle of 60 degrees above the horizontal. The pulley weighs 90 kg to provide some flywheel effect.
The ratio of the belt tension is 3:1. The gear has a 20 tooth form and meshes with another gear
directly above the shaft. Shaft material has Su=482,500kPa;Sy=320MPa. Design the shaft.
6 . 0 A machine shaft turning at 6 0 0 rpm is

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