管制图Xbar-R通用表

160.0160.0160.0160.0160.0160.0160.0160.0160.0160.0160.0160.0160.0160.0160.016CL<R>0.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.0130.004CL-σ0.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.0090.009CL-2σ0.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.005LCL(CL-3σ)0.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.0020.002管制图R管制图判读原则:1.有点超出管制上下限。 2.连续7点出现在管制中心线一侧。 3.连续7点出现同时上升或者下降。 4.连续3点中有2点靠近管制上下限。 5.连续5点其中4点不在C区。NO问题点原因分析改善方案123核准:审核:制表QAD-WI-A120-02A