A process can be defined as any procedure that requires repeatable actions. Processes can be as common as getting dressed in the morning, time to or from work, time to make a pot of coffee. Process variation in manufacturing may include differences in part dimensions, texture, alloy composition, or even taste. Statistical Process Control (SPC) […]
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Design of Experiments (DOE) is one of the most powerful tools for solving design or manufacturing problems. However, most people think that you have to be a statistician to use this technique. Institutes of higher learning want to impress each other by putting statistical values on each variable. Manufacturers just want to know which variables
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No design can be better than the measurements made throughout the design and production process. No measurement can be trusted unless the instruments used are precise enough to measure features accurately. This article deals with why such precise measurements are necessary. Remember: “If you can not measure it accurately, you can not fix it.”
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