石家庄汽车制造公司根据“重量法”原理，并采用无飞边闭式胎模锻工艺方法，解决了农用汽车轴头深孔锻造这一难题，研制出了深孔轴头一火胎模锻的工艺方法，获得了极大的经济效益。深孔轴头无飞边闭式胎模锻工艺用于生产@刘日仓@杨宝琴 Shijiazhuang Automobile Manufacturing Company based on the “weight method” principle, and the use of non-flash-side closed die forging process to solve the problem of deep-hole forged agricultural vehicles shaft forging this problem, developed a deep-fat head of a tire die forging Process method, access to a great deal of economic benefits. Deep-hole shaft head without flash closed fetal die forging process used in the production of Liu @ @ Yangbaoqin positions