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液化石油气钢瓶落料模刃口改进豫新机械厂液化石油气钢瓶自１９７４年投产以来，上下封头一直采用滚剪法下料，效率较低。１９９３年改在３１５ｔ液压机上用落料模生产。由于冲裁力较大，１９９４年下模板出现裂纹，且情况严重，无法继续使用。较大的振动冲击还曾数次导致...
Liquefied petroleum gas cylinder blanking die edge improvement Yu Xin Machinery Factory liquefied petroleum gas cylinder since its production since 1974, the upper and lower head has been using rolling shear cutting, the efficiency is low. In 1993 changed to 315t hydraulic machine with blanking die production. Due to the large blanking force, the crack appeared in the template in 1994 and was in serious condition and could not be used continuously. Larger vibration impact has also led several times ...