This paper introduces the manufacture of sealing surface (valve body) about great size check valve and analyzes the choices and the decisions about geometrical parameters of tools.
介绍了大口径止回阀阀体密封面的加工方法，分析了刀具几何参数的选择与确定。
This paper introduces the manufacture of sealing surface (valve body) about great size check valve and analyzes the choices and the decisions about geometrical parameters of tools.
介绍了大口径止回阀阀体密封面的加工方法，分析了刀具几何参数的选择与确定。
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