Thanks. I was struggling with the d2 constant. It is equal to the 1.128 if you are calculating a M̅R̅ from the last two readings.
After reading Donald Wheeler's ideas about 3-way charts, I agree that this is very applicable to my process. However, I cannot seem to find how...
We are stamping out a steel bracket. The press operates quite quickly: we have coil changes about every 2.5 to 3.0 hours. However, we are doing...
Thank you for the input. We are using 5 pieces in each subgroup. We are measuring parts twice a shift (so every 4 hours). This helps us...
I am trying to roll out an SPC program at my company. We have the software. We have the hardware. We just need to implement the training. In order...
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