Analysing the specialities on technologies and the clamp in maching body of cuneiform ball valve,indicating the fectect of the clamp on maching body of cuneiform ball valve and improving the clamp.

• 介绍了楔式球阀阀体密封面的加工工艺和夹具特点,分析了阀体密封面加工夹具存在的问题,对其进行了改进。