Maybe the place to start your thinking is that the 6 sigma level with respect to a 24 X 7 X 365 operating machine schedule is about 107 seconds per year. Compute the six sigma level on your machines (99.99966%) using the best ideal operating schedule & compare with where you are. Then set the goal level at any future state sigma level you want t…[Read more]
The only thing a capabaility analysis will tell you is if the process is or is not capable. It tells you that only if the system is stable/in statistical control. You need to check this stability issue. Also check your data collection R&R if you haven’t already.
I would report that the process is “not capable” at present. It may be that…[Read more]