防错案例 PPT

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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：
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 说明书上有详细说明。
防错案例
防错方法：案例之一
Rods
Rod Clearance Area
防错方法：案例之二
过程：螺栓装配
问题：气压下降导致装配扭矩不足
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： 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。
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：
The socket extension required to reach the bolts caused nicks and scratches in the painted surfaces that it contacted during assembly.
Recess in chassis
底盘的凹槽
Recess in
c标签
Model T6 AC 110V 10 W
Label 标签
Model T6 AC 110V 10 W
防错方法：案例之五
• Process Description: Install slides into a slide projector
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。
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：
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 导致咖啡过淡或过浓。
• 程序描述：将幻灯片装入幻灯机中
Before Improvement: 改进前：
Are some slides upside down? 有一些幻灯片装反了吗？
After Improvement: 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。
After Improvement: 改进后：
A notch was made in the corner of the label, and in the recess of the chassis. Incorrect mounting is pletely eliminated. 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：
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 水的量都一样多
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：
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。