一种钢筋切断的定位设计第一汽车集团公司模具中心牛洪亮汽车上有许多钢筋类零件，如各类栓杆、钢板弹簧上“Ｕ”形螺栓等。由于生产纲领很大，所以这类零件一般采用冷冲压模具制造工艺。图１是钢筋切断模示意图（产品零件为直径１２ｍｍ长１８０ｍｍ的钢筋）。模具工作过... A steel cut off the positioning of the first car group mold center Niu Hongliang car has a lot of steel parts, such as various types of bolts, leaf springs on the “U” -shaped bolts. As the production program is very large, so these parts generally use cold stamping die manufacturing process. Figure 1 is a schematic diagram of the steel cutting mold (product parts are 12mm in diameter and 180mm in length). Mold work ...