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我厂主要生产轮胎硫化机、橡胶机、制药机、化工机械和造纸机械配套铸件。生产的特点是铸件品种较多,批量小;其中部分铸件在强度、耐压、耐磨、硬度、材质等方面往往还有特殊要求。铸件重量小的只有二两,大的达三吨左右(受起重设备条件限止)。铸件壁厚最大的达200毫米左右。在无产阶级文化大革命的推动下,我厂广大职工破除迷信,解放思想,自一九六七年开始全面采用湿型铸造新工艺。图1和图2为我厂用湿型生产的两种典型铸件结构示意图。几
I plant mainly produces tire curing machine, rubber machine, pharmaceutical machine, chemical machinery and paper machinery supporting castings. Production is characterized by more varieties of castings, small quantities; some of which castings in strength, pressure resistance, wear resistance, hardness, materials, etc. often have special requirements. Castings of small weight only two or two large up to about three tons (subject to the conditions of lifting equipment). Casting the largest wall thickness of 200 mm or so. Under the impetus of the Great Proletarian Cultural Revolution, the vast majority of our factory workers broke away from superstition and emancipated their minds. Since 1967, the wet-casting process has been fully adopted. Figure 1 and Figure 2 for the plant with wet production of two typical castings schematic structure. a few