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曲轴是一种典型的轴类零件，一般由曲轴的专业制造厂或专用生产线，按照严格的工艺文件经过三、四十道工序加工完成。用手工设计工艺文件劳动强度大、设计周期长、文件质量不容易保证。采用计算机辅助工艺设计很好地克服了这些缺陷。曲轴根据其曲拐个数、主曲轴径、轴径长度的?
Crankshaft is a typical shaft parts, usually by the crankshaft of the professional manufacturer or a dedicated production line, in accordance with the strict process documents after three or four processes completed. Manual design process documents with labor-intensive, long design cycle, document quality is not easy to guarantee. The use of computer-aided process design to overcome these shortcomings. Crank according to its number of crank, the main crankshaft diameter, shaft length?