均值-极差图在汽车总装质量控制中的应用

针对装配过程中具有连续值的质量特性进行研究,运用统计质量控制中的均值-极差图对其进行分析,形成一套有效的质量控制方法。介绍了均值-极差图的工作原理及适用范围。指出均值-极差图既可作为分析用控制图,又可作为控制用控制图,是汽车总装质量控制的有效工具。在汽车装配生产中运用统计手段建立一套完整的质量控制系统,不但可以保证整车的装配质量,而且能够使整个工厂的管理水平上一个台阶。

Application of the Mean Value-Range Chart in the Quality Control in Motor Vehicle Final Assembling

Research is performed in view of the quality characteristics with successive values in the assembling process.The analysis is conducted by using the mean value-range chart used in the statistic quality control to form a complete and effective quality control method.The working principle and applicable scope of the mean value-range chart is introduced.It is noted that the mean value-range chart not only can be used as a control figure for analyzing,but also as a control figure for controlling.It is an effective tool for controlling the final assembling quality of the motor vehicle. Setting up a complete quality control system in the automotive production by using the statistic method not only can guarantee the assembling quality of the motor vehicle,but also can put the managing level in the factory up on a new step.