防错方法：案例之一防错方法：案例之一RodsRod Clearance Area2021/6/161防错方法：案例之二防错方法：案例之二过程描述：过程描述：螺栓通过贯穿工厂的压力气管以特定的扭矩装紧。改进前：改进前：如工具在装配过程中气压下降，操作工根本无法察觉，操作继续进行，从而导致扭矩不足的不合格产品出厂。过程：螺栓装配过程：螺栓装配问题：气压下降导致装配扭矩不足问题：气压下降导致装配扭矩不足改进后：改进后：在气管上装一个气压表，当气压降到一定程度时，灯亮，铃响，传输线自动停止作业。 2021/6/162防错方法：案例之三防错方法：案例之三Process Description: Making a pot of coffee过程描述：泡一壶咖啡Before Improvement:改进前：改进前：Water needed to be measured for each pot of coffee often resulting in coffee that was too weak or too strong泡前每壶咖啡的水量都要测量常常泡前每壶咖啡的水量都要测量常常导致咖啡过淡或过浓。导致咖啡过淡或过浓。2021/6/163防错方法：案例之三防错方法：案例之三Process Description: Making a pot of coffee过程描述：泡一壶咖啡After Improvement:改进后：改进后：Coffee maker was redesigned to measure and add the precise amount of water from a water bottle重新设计咖啡机以使每次从水瓶中加入的重新设计咖啡机以使每次从水瓶中加入的水的量都一样多水的量都一样多2021/6/164防错方法：案例之四防错方法：案例之四Process Description: A label is pasted into a recess in a molded chassis程序描述：将标签贴在底盘的凹槽内Before Improvement:改进前：改进前：The recess and the label were both rectangular. The label could be glued in upside-down.凹槽和标签都是长方形。标签可能会贴反。凹槽和标签都是长方形。标签可能会贴反。Recess in chassis底盘的凹槽底盘的凹槽Label标签标签Model T6AC 110V10 WAfter Improvement:改进后：改进后：A notch was made in the corner of the label, and in the recess of the chassis. Incorrect mounting is completely eliminated.在标签和凹槽的一角做一个切口。就能完全在标签和凹槽的一角做一个切口。就能完全防止错误发生。防止错误发生。Recess in chassis底盘的凹槽底盘的凹槽Label标签标签Model T6AC 110V10 W2021/6/165防错方法：案例之五防错方法：案例之五 Process Description: Install slides into a slide projector 程序描述：将幻灯片装入幻灯机中Before Improvement:改进前：改进前：Are some slides upside down?有一些幻灯片装反了吗？有一些幻灯片装反了吗？After Improvement:改进后：改进后：Top edge of each slide marked with a red dot.每张幻灯片的上边都有一红点。每张幻灯片的上边都有一红点。2021/6/166防错方法：案例之六防错方法：案例之六Process Description: Torquing a number of bolts recessed deep in a cavity.程序描述：将大量螺栓拧进空腔深处的凹槽内Before Improvement:改进前：改进前：The socket extension required to reach the bolts caused nicks and scratches in the painted surfaces that it contacted during assembly.在操作的过程中，用来拧螺栓的拧杆柄会对油漆表面造成刮伤。After Improvement:改进后：改进后：A rubber hose was installed over the socket extension and was specified on the work instructions.一个橡皮管被装在拧杆柄上并在工作一个橡皮管被装在拧杆柄上并在工作说明书上有详细说明。说明书上有详细说明。2021/6/167 结束语结束语若有不当之处，请指正，谢谢！若有不当之处，请指正，谢谢！