精密冲压技术于本世纪二十年代首先在德国和瑞士开展研究,随后得到了广泛应用和发展,特别是近几年来,随着电子、仪表等高技术的发展,精密冲压技术发展尤为迅速。随着国内精密引进线增多,用作精密冲压模用预硬钢在国内尚属空白,迫切需要开展与之相适应的预硬钢研究工作。本所承担了这一研究工作。在研究和使用单位(上海灯泡厂、仪表钢模 Precision stamping technology was firstly researched in Germany and Switzerland in the 1920s and then widely applied and developed. Especially in recent years, with the development of high technology such as electronics and instrumentation, the precision stamping technology has developed rapidly. With the introduction of more sophisticated domestic wire, used as a precision stamping die with pre-hardened steel is still blank in the country, there is an urgent need to carry out the corresponding pre-hardened steel research. The Institute undertook this research. In the research and use of units (Shanghai Bulb Factory, instrument steel mold