Content by Steve Wise
Mastering the Possibilities of SPCThere’s a better way to fully utilize the data you already collect
Mon, 10/05/2020 - 12:02
The importance of data analysis in manufacturing operations can’t be overstated. Over the years, manufacturers have used statistical process control (SPC) methods and tools to study historical data and reveal differences between comparable items:…
Operational Insights: Bringing Treasure to the Surface of Your Quality DataQuality intelligence tools automate SPC analysis to reveal actionable insights
Mon, 06/22/2020 - 12:01
Quality data are the heart and soul of statistical process control (SPC), the industry standard methodology for measuring and controlling quality in manufacturing processes. Asking manufacturers to give up data is like asking them to give up water.…
How to Determine In-Process Sampling StrategiesWhat should you measure or avoid?
Wed, 03/27/2013 - 11:34
Determining an effective in-process sampling strategy can be a tricky business. What should you measure? What should your sample size be? What are the pitfalls? Your approach can be the determining factor to whether you will ever attain true…
Control Charts: Which One Should I Use?First ask, ‘Why am I collecting data on this part?’
Tue, 03/13/2012 - 12:03
Selecting the right control chart starts by knowing something about what you want the chart to say about the process—what questions do you want the chart to answer? Another way to look at this is to ask yourself, “Why am I collecting data on this…
Where’s the Thief?The solution
Tue, 06/19/2007 - 22:00
The manager of a local grocery store is having dinner with his statistician friend. The store manager tells his friend about a certain cashier who is stealing from the company. The manager is frustrated because he thinks he knows who the thief is,…
Chart My GaugeIf you dare
Tue, 04/03/2007 - 22:00
Some folks like to use control charts to analyze gauge study results. When using a control chart in this manner, one can assume that the chart should represent a series of gauge studies conducted over a period of time. In this example, let’s say…
What’s the Cure?Pick a chart, any chart
Tue, 09/19/2006 - 22:00
In a certain operation, a part is subject to a high-temperature curing cycle. The ideal curing scan is illustrated in the chart below. The oven chamber begins at room temperature, ramps up to a conditioning temperature of about 80 degrees, dwells…