已经有次观看 wencong在2014-08-12发布

Channel：Non-ferrous Metal 标签： machining  procedures,  machinery  manufacturing  process 

简介：Machining process design steps and requirements: ⑴ production type large; ⑵ right parts for process analysis [new GB]; ⑶ determine the rough type, shape, size and accuracy; ⑷ preparation process route; ⑸ determine processes used equipment; ⑹ determine the processes used process equipment; ⑺ determine the allowance of each process, the calculation process dimensions and tolerances; ⑻ determine cutting parameters of each process; ⑼ determine the time fixed; ⑽ fill process documents.