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一、前言 用陶瓷型精密铸造的方法制造模具,是我厂在文化大革命中诞生的一项新工艺,是我厂在模具制造,特别是在型板(铝模)和热芯盒(铁模)制造方面的一项重大革新,为我厂拖拉机产、质量的不断提高起了一定的作用。在毛主席的无产阶级革命路线指引
I. Preface Making molds by means of ceramic type precision casting is a new process that was born in our factory during the Cultural Revolution. It is a new process that our factory makes in mold making, especially in the formwork (aluminum mold) and hot core box ) A major innovation in manufacturing has played a role in the continuous improvement of tractor production and quality in our factory. Guided by Chairman Mao’s proletarian revolutionary line