Process Capability Minitab Explained. If we look at the formulas for Cpk and Ppk for normal distribution process capability we can see they are nearly identical. As this is the 1st video related to Process Capability I am going to explain all concept their meaning with the help of self-explaining graphs for easy understanding and better clarity.
Specification limits allow you to assess how capable your process is of meeting customer requirements. When a process is capable the process spread is smaller than the specification spread. In the Minitab worksheet you can enter all the data in a single column or you can enter each subgroup into a row.
As this is the 1st video related to Process Capability I am going to explain all concept their meaning with the help of self-explaining graphs for easy understanding and better clarity.
The analysis can also indicate whether your process is centered and on target. Explain the different values and ranges of the Process Capability Index C pk What do they mean in relation a- how well the statistical distribution is centered or not b- how much variation or deviation exist or how close is the mean in relation to the upper and lower specification limits. The overall interval represents the actual process tolerance and is calculated by six times the overall standard. Minitab uses the target to calculate Cpm which describes the capability of your process relative to the target and the specification limits.
