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一、前言低熔点合金模具是一项新技术,资本主义国家实行封锁和垄断。遵照毛主席关于“独立自主、自力更生”的伟大教导,自一九七三年以来,莱阳拖拉机厂、烟台重工局科技所、济南汽车厂、沈阳汽车厂、北京汽车厂、济南铸锻所等单位,实行厂所结合,大搞群众运动,对低熔点合金材料、铸模工艺、板冲工艺试验、寿命试验以及样模研制等方面,都取得一定成绩,在航空、汽车、拖拉机、仪表及钟表等行业得到应用,在生产上有明显的经济
First, the preface Low melting point alloy mold is a new technology, the capitalist countries blockade and monopoly. In accordance with Chairman Mao’s great teaching on “independence and self-reliance,” since 1973, units of Laiyang Tractor Factory, Yantai Heavy Industry Bureau Science and Technology Institute, Jinan Automobile Plant, Shenyang Automobile Plant, Beijing Automobile Plant, Jinan Casting and Forging Company, The implementation of plant integration, the masses engaged in mass movement, the low melting point alloy materials, mold technology, board Chong process test, life test and model research and development, have made some achievements in the aviation, automotive, tractors, instruments and watches and other industries Get applied, there is a clear economy in production