![]() ![]() ![]() This example provides a deep dive into the manual calculations behind the target Xbar-R chart. ![]() In this example, the target Xbar-R chart allows quality personnel to monitor the crack-pressure testing for three customers and compare whether the process remains consistently on target when the spec requirements change. Each customer has his or her own crack pressure requirements. The valve can be adjusted during assembly to crack at different pressures. Ĭracking pressure, the pressure at which the relief valve opens, is a key characteristic. Relief valve with adjustable cracking pressure capabilities. Review the following example-an excerpt from Innovative Control Charting 1-to get a sense of how a target Xbar-R chart works.įigure 1. Target Xbar and range (Xbar-R) charts can help you identify changes in the average and range of averages of a characteristic. Process Capability (Cp) and Performance (Cpk) Chart.Individual X-Moving Range (IX-MR) Chart.SPC Glossary: Quality Management Reference.Capability and Cpk Manufacturing Charts.Statistical Process Control (SPC) Implementation.How to Choose a Manufacturing Quality Intelligence Platform.How to Sell Your Quality Management Plan.How to Use Quality Metrics to Improve Quality Management in Manufacturing.Quality Management Principles to Build Your Discipline.Digital Transformation in Manufacturing: The Role of Quality.Elevating the Importance of Quality Control in Manufacturing.Dynamic Remote Alarm Monitoring Service (DRAMS).ProFicient on Demand-Dedicated Subscription. ![]()
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