92%Available
88%Performance
96.8%Quality
Station cycle time
takt 24.0 s
Load30.8s
Weld A32.5s
Weld B28.5s
Inspect26.0s
Paint27.4s
Cure32.2s
Pack33.8s
Weld B is the constraint. Every second above takt costs 148 units per shift.
Defect pareto
this shift, 100 units scrapped
- 41%Porosity
- 27%Misalign
- 18%Scratch
- 9%Short weld
- 5%Other
Porosity and misalignment are two thirds of the scrap. The amber
line is the cumulative share.
Control chart
weld penetration, 40 samples
- Cp
- 1.18
- Cpk
- 0.94
- Rule broken
- 4 of 5 beyond 1 sigma