How does minitab calculate the CPK of a part? Many friends are not familiar with the related operations. Below, I will explain the detailed steps of Minitab to calculate the CPK of a part. I hope it will be helpful to you.

In a group of data recording forms, there must be at least 32 data. The more data, the more truly the level of processing capability can be reflected;

Open minitab, copy the data obtained from the test into the minitab software, and put the data in the same column

Click Stat-Quality Tools-Capability analyzers-Normals in minitab software

A dialog box as shown in the figure will pop up. Enter the following parameters in sequence and click OK to confirm. The CPK calculation value at the beginning of this article will be generated. It can be seen that the cpk of this set of data is 0.9 and needs improvement.

The above explains the detailed steps for minitab to calculate the CPK of a part. I hope friends in need can learn it.