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由三○一研究所、北京航空学院、第四设计院组成的调研组,在各有关飞机工厂的大力支持下,于一九七五年七月、八月和一九七六年二月、七月,先后到六个工厂,调查了九机两弹的11万项有色钣金零件和六个机种的近8000项黑色钣金零件的成形工艺。主要分析了: 1.橡皮液压成形工艺在飞机钣金零件生产中所占的地位,及其在技术改造中的潜力; 2.橡皮液压件的项数和工时按零件的长、宽、高尺寸的分布情况,以确定橡皮成形液压机工作台合理的尺寸分级; 3.对一些有代表性的零件和关键性的零
The research group comprising the 301 Institute, Beijing Institute of Aeronautics and the Fourth Design Institute, with the strong support of all relevant aircraft factories, held a number of research projects in July, August and February 1976, In July, he went to six factories and investigated the forming process of 110,000 colored sheet metal parts and nearly 8,000 black sheet metal parts of six aircraft with nine machines and two bombs. The main points of this paper are as follows: 1. The status of rubber hydraulic forming process in aircraft sheet metal parts production and its potential in technological transformation; 2. The number of rubber hydraulic parts and working hours according to the parts of the length, width and height dimensions Distribution to determine the rubber forming hydraulic table reasonable size classification; 3. For some representative parts and the key zero