Weld Washer System (a special fixing method developed by Kaveri) where in motherplate is not punctured.
焊接垫圈系统(韦里开发一个特殊的固定方法),母盘不刺破。
2
The paper mainly introduces the calculating equation for piston skirt molded lines, the drawing of piston, and the design for convexity motherplate molded lines.