<section powered-by="xiumi.us" style="white-space: normal; margin: 10px 0px; padding: 0px; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px 5px 0px 20px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; display: inline-block; min-width: 10%; vertical-align: top; border-width: 2px; border-radius: 0px; border-style: dashed; 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margin-bottom: 0px; text-align: left; text-indent: 32px; padding: 0px; clear: both; max-width: 100%; box-sizing: border-box; min-height: 1em; overflow-wrap: break-word !important;"><span style="font-size: 18px; color: rgb(0, 0, 0);"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; letter-spacing: 0.544px; overflow-wrap: break-word !important;">148『PRR</strong></strong><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;">』</strong></span></p></section></section></section></section></section></section></section></section><p style="white-space: normal;"><br/></p><p></p><section powered-by="xiumi.us" style="white-space: normal; margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; 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overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 20px 0px 13px; padding: 0px; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px 10px; max-width: 100%; box-sizing: border-box; color: rgb(240, 176, 121); line-height: 1.8; letter-spacing: 1.8px; overflow-wrap: break-word !important;"><p style="margin-bottom: 16px; text-indent: 35px;"><span style="font-size: 17px; font-family: &quot;思源黑体 CN Regular&quot;, sans-serif; color: rgb(0, 0, 0);">&nbsp;各位朋友大家好。欢迎来到Tonii老师精益讲堂。接下来Tonii老师将带领大家进入每天5分钟精益伴你行系列课程。</span></p><p style="margin-bottom: 16px; text-indent: 35px;"><span style="font-size: 17px; font-family: &quot;思源黑体 CN Regular&quot;, sans-serif; color: rgb(0, 0, 0);">&nbsp;今天我们学习的是<strong>PRR</strong>。</span></p><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);">PRR即工厂退货率，它的英文是Plant Return Rate，是Non Quality的关键业绩指标之一，可以让工厂从客户的角度去了解特定的制造部门生产的产品和设备的质量水平。</span></section><p></p><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);"><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);">那么什么是退货呢？退货有两种情形，第一种情形就是客户买了产品然后退回，第二种就是没有退回，但是在客户端出现了问题，在统计PRR的时候也需要算进去。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);"><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);">所以说大家一定不要被它的字面意思迷惑了，工厂退货率的退货一是指客户实际退回，二是客户没有实际退回但是在客户端已经出现了质量问题的货物。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);"><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);">大家都知道，对于一个工厂来讲，质量控制最好是没有质量问题，如果有质量问题，首先能够在生产线上迅速解决是最好的，这种时候成本损失还有客户对我们的信赖度的影响都是最小的。其次在出厂之前如果有质量问题能够及时发现并改正，那么这种时候成本损失以及对客户的影响度也是非常小的。最后就是我们最不愿意看到的，不良品流入到了客户端，这种时候无论是成本损失还是客户对产品的信赖度等等都会有很大的影响。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);"><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);">所以说对于一个制造型的工厂来讲，PRR是一个非常严肃的质量问题。那么PRR是怎么计算呢？</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);"><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);">其实计算比我们想象的稍微复杂一些但是逻辑是比较清晰的。PRR的计算原理就是每一个工厂按制造部门一个月之内退回的或者是报告的缺陷产品占过去12个月平均生产产品数量的比例。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);"><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);">它的计算公式是PRR=NPR m / (Sum of NPF j=m to j=m-11)/12，这个公式怎么去理解呢？比如说要计算某一个月的PRR那么就看当月退回的或者是报告的缺陷产品的数量，除以过去(我们叫rolling)从当月往回递推12个月之内累计发货的数量再除以12。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);"><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></span></section><img class="rich_pages" data-ratio="0.1326145552560647" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/x7XibiaRviayZiax6au48Tg4eu7T0Z6SNH9f2mWYXtxI5IqDBXh0ib0Cm0zw4RhSq2SXtvrMOq6gFfJt2NkLFwzaibSA/640?wx_fmt=png" data-type="png" data-w="1855" _width="677px" src="//cdn-2c-02.industics.com/public/upload/image/20210415/1618477795721689.png" crossorigin="anonymous" alt="图片" data-fail="0" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; height: 68px; width: 452px; visibility: visible !important; float: left;" width="452" height="68"/><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><br/><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);"></span></section><p></p><p></p><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);"><br/></span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);"><br/></span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);">比如说上面这个例子，第二排是1—12月每一个月的生产数量和发货数量，第三排是每个月退回的数量，那么请问能否通过以上数据计算7月份的PRR呢？</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);"><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></span></section><section style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(240, 176, 121); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.8px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 43px; line-height: 2em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 17px; color: rgb(0, 0, 0);">答案是否定的，如果只是上面表格上的数据是没法办法计算7月的PRR的，因为表格中缺少上一年的8、9 、10 、11、 12月的数据，所以说在这个表格当中只能算12月份的PRR。如果要算12月份的，那么就是4除以过去12个月每个月的交付数量总和再除以12，也就是4÷（1000x12）÷12=千分之四，就是12月的PRR。</span></section><p></p><p style="margin-bottom: 16px; text-indent: 35px;"><span style="font-size: 17px; font-family: &quot;思源黑体 CN Regular&quot;, sans-serif; color: rgb(0, 0, 0);"><br/></span></p><p style="margin-bottom: 16px; text-indent: 35px;"><span style="font-size: 17px; font-family: &quot;思源黑体 CN Regular&quot;, sans-serif; color: rgb(0, 0, 0);">&nbsp;今天的课程就到这里，感谢大家！</span></p><p style="margin-bottom: 16px; text-indent: 35px;"><br/></p></section></section></section></section><section powered-by="xiumi.us" style="white-space: normal; margin: 0px; padding: 0px; color: rgb(51, 51, 51); max-width: 100%; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; 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