Question: Please, give me the complete solution. The procedure is notaccepted. Thank you. Motor base base NI shaft Coupling winch drum 75:1 speed reduction gear box
Please, give me the complete solution. The procedure is notaccepted. Thank you.
Motor base base NI shaft Coupling winch drum 75:1 speed reduction gear box Assume that the hay bale's weight varies depending on its moisture content but can be assumed to average above 60 lb. The hay truck holds 100 bales and the farmer would like to unload it in 30 min. The lift height is 24 ft. Use nylon rope of in dia with break strength of about 8000 lb and a spring constant of about 50,000 lb/in per ft of length in axial tension. For an assumed winch-drum radius of 10 inch, design a set of spur gears for a 75:1 speed reduction. Also, design the shaft and the bearings. Note that at steady state, the load on the rope will simply be bales and the dead-load of rope, and hook. However at startup, the load can be significantly higher due to the need to accelerate the load to its steady state velocity, and due to the fact that there are both spring and mass in the system. Requirements: Design the gears, bearings, and the shafts MAKE ANY NECESSARY ASSUMPTIONS. THE ASSUMPTIONS MUST BE REASONABLE.
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