This article focuses on the process of shaping the mixed rifle with a large spiral angle in the cannon, and proposes a cone-like cathode structure with asymmetric cuneiform working tooth.

• 分析了火炮身管大缠角混合膛线的成型过程,提出圆锥体单边切进楔形工作齿的阴极结构,经试验确定了阴极体锥度、长度与楔形工作齿角度的匹配关系。