26型单功能轴冷温挤压工艺与模具设计

26型单功能轴为偏心凸轮轴，精度高，加工难度大。阐述了采用冷温挤压代替切削加工的优点，对偏心轴零件进行了分析，制定了合理的工艺路线并据此设计出了成形模具。经实际生产证明，所做的工艺理论分析正确可行，模具设计合理，使材料利用率和生产效率提高。

Cold-warm Extrusion Process and Mold Design for 26 Model Single-function Axis

26 model single function axis is an eccentric camshaft, which demands a higher precision and leads to more difficult process. The advantages of the cold temperature extrusion instead of cutting process is described through analyzing the eccentric shaft, the reasonable process line, the corresponding forming mold is designed. Practice proved that the process theoretical analysis is correct and feasible, mold design is rational, and the material utilization and production efficiency are greatly improved.