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上海模具技术研究所与上海锦隆搪瓷厂合作试制的(?)315毫米球形锅,底部有一小的球形凸起,产品的材料为不锈钢板。产品的技术要求较高,四周壁部高度误差为±0.2毫米,壁部要光滑,不允许有拉毛现象,底部的凸起也有一定的要求。不锈钢球形锅(见图1)工件材料为1Cr18Ni9Ti。拉深模材料为 HT30—54灰口铸铁。在 J44—55E 底传动双动拉仲压力机上进行了加工试验,但产品质量达不到设计要求(见图
Shanghai Institute of Mold Technology and Shanghai Jinlong Enamel Factory trial production (?) 315 mm spherical pot, the bottom of a small spherical bulge, the product of stainless steel plate. High technical requirements of the product, around the wall height error of ± 0.2 mm, the wall to be smooth, does not allow the phenomenon of hair, the bottom of the raised have certain requirements. Stainless steel spherical pot (see Figure 1) The workpiece material 1Cr18Ni9Ti. Draw die material HT30-54 gray cast iron. J44-55E at the end of the drive double-acting pull on the press for processing experiments, but the product quality can not meet the design requirements (see Figure