Gears are used to transmit torque and angular velocity in a wide variety of applications.There is also a wide variety of gear types to choose from.The simplest type is spur gears, designedto operate on parallel shafts,while others for nonparallel shafts are usually using helical, bevel andworm gears. Design of gearset is base on given parameters, tables, graphs and standard whichneeds much time for calculating if done manually. Based on that drawback it needs computationaldesign to safe time so that gives more benefit. Computer program’s we made can get accuratedesign which only has small different compare to conventional design method. Those differents aresurface stress for idler-gear mesh and surface stress for pinion-idler mesh. Rounding values inconventional design cause it, while computational design doesnot needs that step.
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