innovative feature is the application of the analysis method , and its essence is to use science to solve problems through the black box method to find the relationship between input and output analysis to determine the functions to be designed to reach us to achieve the purpose . I mainly design part is Y38 main drive gear hobbing , and gear hanging round mainly through different hanging round to achieve hob speed changes . The drawings for the design of the main pillars of the assembly drawings , including control hob move up and down and from the guide screw spline shaft The specific dimensions can see the work of assembly .РThe program has given the main shaft gear train , gear hanging belt drive pulley wheel and gear shift . Transmission parts and transmission parameters in the design
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