Companies that have moved from a highly reactive environment to a more planned one notice significant improvement. A computer maintenance management system (CMMS) or an enterprise asset management (EAM) is a useful tool to create a planned environment, help build accurate equipment history, and develop comprehensive analysis capability.
Reprinted with permission from Plant Engineering and Maintenance magazine.
and, in turn, eliminated. Factors like tool wear, equipment that's out of adjustment, defective parts and human error can contribute to assignable variability. To determine whether or not a process is in control, sample data can be plotted on a control chart. For example, random clustering around the average for a given attribute, such as machine cycle time, signals that a process is in control. If points are plotted outside the UCL and LCL, then the process is considered out of control and root cause