2024年8月13日 · An SPC chart is used to study the changes in the process over time. All the data generated from the process are plotted in time order. The three main components of an SPC chart are - a central line (CL) for the average, a lower control line (LCL) for the lower control unit, and an upper control line (UCL) for the upper control unit.

2024年10月7日 · Statistical Process Control, or SPC, is a data-driven approach to monitoring, controlling, and improving processes using statistical techniques. It’s not just a set of tools; it’s a philosophy that empowers organizations to achieve unprecedented levels of quality and efficiency.

Quality Glossary Definition: Control chart. Also called: Shewhart chart, statistical process control chart. The control chart is a graph used to study how a process changes over time. Data are plotted in time order.

2021年7月26日 · A statistical process control chart is a type of chart that is used to visualize how a process changes over time and is used to determine whether or not a process remains in a state of control. The following step-by-step example shows how to create a statistical process control chart in Excel.

A popular SPC tool is the control chart, originally developed by Walter Shewhart in the early 1920s. A control chart helps one record data and lets you see when an unusual event, such as a very high or low observation compared with "typical" process performance, occurs.

Through the control chart, the process will let you know if everything is “under control” or if there is a problem present. Potential problems include large or small shifts, upward or downward trends, points alternating up or down over time and the presence of mixtures.

Statistical Process Control is a key method used in making sure products are made to specification and efficiently, especially in making expensive products like cars or electronics where margins can be low and the cost of defects can eliminate profitaility.

Statistical process control (SPC) is an analytical technique that plots data over time. It helps us understand variation and in so doing guides us to take the most appropriate action.

2023年7月14日 · SPC is a versatile data-driven method of continual improvement. Whether in need of simple and practical solutions, or faced with managing complex processes – within manufacturing or services – SPC captures critical insights into a process and makes sense of data: Is our process predictable?

Use SPC for process monitoring & live feeds to help reduce process variability.