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D型气缸盖原加工工艺不合理，在加工中心加工时间长，使整个生产节拍不一致。通过改工序集中为工序分散，少工位加工为多工位加工，单刀的多次加工为复合、组合多刃加工之后，减少了所用刀具种类和换刀次数，充分发挥了加工中心的作用，将加工一个D型气缸盖的总工时从原来的17．5h减少到14．8h。
D-type cylinder head of the original processing unreasonable processing time in the machining center for a long time, making the entire production beats inconsistent. By changing the process focus for the scattered process, less work for the multi-station processing, multi-processing single-pole compound, combined with multi-blade processing, reducing the type of tools used and the number of tool change, give full play to the role of the machining center, The total working time for machining a D-type cylinder head has been reduced from 17.5h to 14.8h.