1. According to characteristics of the drive ratch-et, the process of forming technique for the part has been determined; the drawings of cold extrusion have been made out and the technique parameters been calculated and been checked with introduction of extrusion die structure.
根据传动棘轮的特点，确定该零件的成形工艺流程，制订了零件的冷挤压图，计算及校核各工艺参数，并介绍了挤压模具的结构特点。