How can an OC Curve be Used to Manage the Risk of Undetected Special Causes?
When applied properly, SPC provides manufacturers a proven method to increase profitability and achieve a deeper understanding of their processes.. Additionally, SPC can prevent problems—saving companies money that would have been lost in scrap, rework, warranty, litigation, and market share decline. A key factor in obtaining these SPC benefits is the proper deployment of control charts. Correctly designed control charts identify significant changes to a process. These can be changes that are still within specification, but are statistically different than where the process was previously running. By identifying the changes, personnel can determine what caused the change and potentially improve the process or prevent the production of inferior products. [Read more…]