abstract
After carried on a series of curricula studied us to carry on this curriculum to design，Front the goal is deepens understanding the knowledge through this design Meanwhile makes an upholstery for we later design curriculum This design content is one and so on the crankshaft.His design mainly has from the casting produces to the processing formation Entire process: Including semifinished materials casting,Engine bed choice，Cutting tool choice Processing working procedure design as well as processing error computation and so on a series of processes. Gets up has two most main processes:first, Engine bed and cutting tool computation and choice; Working procedure unit clamp design. Is carrying on these two parts is must the particularly patience, Searches each kind of handbook and the reference book completes the design,Finally must carry on the examination to the entire process
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