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营口电火花机床厂制造的D6185电火花加工机床,主要用于加工十吨以下锻锤用的锻模型腔,也可以加工其它类似零件的型腔模具。我厂于1974年的下半年开始用这种机床加工型腔模具。据一年时间的统计(每日单班生产),共加工了(直接对模块进行电加工)118种426个大小、繁简不同的模具型腔。其中有锻模、橡胶模、塑料模、铸造硬模和精锻模。加工过的模具型腔,最大的周长尺寸1750毫米,最深的尺寸165毫米。型腔尺寸精度0.05～0.25毫米,光洁度▽4～6,个别的接近于▽7。模具型腔的合格率达百分之百。实践证明,用电火花加工模具,是实现多、快、好、省地加工模具的新工艺、新途径,值得大力推广使用。
D6185 EDM machine tool made by Yingkou EDM Machine Tool Plant is mainly used for processing forging die cavities for forging hammers under ten tons and also for forming cavity molds for other similar parts. I plant in the second half of 1974 began to use this machine cavity mold processing. According to a year’s statistics (daily single-class production), a total of processing (direct processing of the module) 118 kinds 426 size, different mold cavity. Among them forging die, rubber mold, plastic mold, casting die and precision forging die. Machined mold cavity, the largest circumference size of 1750 mm, the deepest size of 165 mm. Cavity size accuracy of 0.05 ~ 0.25 mm, finish ▽ 4 ~ 6, individual close to ▽ 7. Mold cavity pass rate of one hundred percent. Practice has proved that EDM mold, is to achieve more, faster, better, new mold processing methods, new ways, it is worth to promote the use of.