冲压机床,是一种使用面广量大的机床。据不完全统计,上海有各种型号规格的冲床共约二万多台,大部分是老式冲床。自动化程度较差(平均约占25％),手工操作不安全,容易出工伤事故,而且生产效率低。为了改变这一落后的生产操作,上海广大工人、干部,在市委领导下,贯彻“独立自主、自力更生”方针,大搞技术改造,经过一年的努力,取得了 Stamping machine tools are widely used machine tools. According to incomplete statistics, Shanghai has a total of about 20,000 punches of various models and specifications, most of which are old-fashioned punch presses. The degree of automation is poor (about 25% on average), manual operation is not safe, accidents are easy to produce, and production efficiency is low. In order to change this backward production operation, the majority of workers and cadres in Shanghai, under the leadership of the municipal party committee, implemented the principle of “independence, self-reliance, self-reliance, and reliance on their own efforts” and engaged in technological transformation. After one year of hard work, they achieved