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应某厂要求,我厂接受了三种杯形件的生产。该件属典型的反挤压件,因我厂设备吨位较小,且下顶料机构年久失修,用反挤压一次成形,不仅对设备不利,且出模困难。我们采用2500t热模锻压力机与800t机械压力机组成挤压变薄拉延连续生产线,至今已生产约15万件。关于热反挤压生产杯形件已有较多文献发表,本文仅就热变薄拉延工艺和工装作以介绍。
Should be a factory request, I plant accepted the production of three kinds of cup. The piece is a typical anti-extrusion parts, due to the smaller tonnage of our plant equipment, and under the material agencies in disrepair long, anti-extrusion with a forming, not only unfavorable to the equipment, and the die difficult. We use 2500t hot forging press and 800t mechanical press to form extrusion thinning and drawing continuous production line, so far it has produced about 150,000 pieces. There have been more literature published on the hot extrusion extrusion cup, this article only on the hot thinning drawing process and tooling for the introduction.