Based on the valve coner trapezoidal senew thread size and the material parts.Design of a special thread cwuer for mass prodwtion,Processing to meet the quality reqwirements.

• 基于阀盖梯形内螺纹的尺寸和零件的材质,设计了专门的螺纹铣刀用于批量生产,来满足加工质量的要求。