JH21—10开式固定台压力机是仿制日本山田托比公司1978年的CP—10D产品。该机在几何精度,结构性能等方面达到了七十年代后期的国际水平。试制样机于1983年3月通过鉴定,并于5月开始在上海灯泡厂显像管车间与日本压力机一起用于加工小型冲压件,其产品满足了显像 JH21-10 open fixed press is imitation Japan’s Yamato Toby’s CP-10D products in 1978. The aircraft reached the international level of the late seventies in geometric accuracy, structural performance and other aspects. Prototype prototype in March 1983 passed the appraisal and in May began in Shanghai Bulb Factory CRT tube with the Japanese press for processing small stampings, and its products to meet the imaging