How do I Know What Product or Process Characteristics to Control?
Statistical Process Control/Process Capability
By Steven Wachs / January 5, 2021

How do I Know What Product or Process Characteristics to Control?

While the construction of control charts is relatively straight-forward, often a more difficult question is “how do I know what...

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10 Keys for Maximizing the Benefits of your SPC Program
Statistical Process Control/Process Capability
By Steven Wachs / December 29, 2020

10 Keys for Maximizing the Benefits of your SPC Program

Statistical Process Control charts have been called the Voice of the Process. Progressive manufacturers utilize control charts to “listen” to...

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What is the Philosophy of Process Control (Rather than Product Control)
Statistical Process Control/Process Capability
By Steven Wachs / December 21, 2020

What is the Philosophy of Process Control (Rather than Product Control)?

What is Quality? Ask people involved with the design and manufacture of a product the following question: “What is Quality?”...

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Analyzing the Experiment (Part VI)
Design of Experiments
By Steven Wachs / December 8, 2020

Analyzing the Experiment (Part VI)

In the last Blog, we explored the use of contour plots and other tools (such as a response optimizer) to...

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Analyzing the Experiment (Part V)
Design of Experiments
By Steven Wachs / November 17, 2020

Analyzing the Experiment (Part V)

In the last Blog, we learned how to work with predictive models to find solutions that solve for desired responses. ...

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Analyzing the Experiment (Part IV)
Design of Experiments
By Steven Wachs / November 10, 2020

Analyzing the Experiment (Part IV)

In the last Blog, we learned how to determine the coefficients of a predictive model for 2-level screening designs.It is...

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Analyzing the Experiment (Part III)
Design of Experiments
By Steven Wachs / November 3, 2020

Analyzing the Experiment (Part III)

In the last Blog, we learned how to determine which effects are statistically significant.  This is an important step to...

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Analyzing the Experiment (Part II)
Design of Experiments
By Steven Wachs / October 27, 2020

Analyzing the Experiment (Part II)

In the last Blog, we learned how to compute and graphically interpret both main effects and interaction effects.  Eventually the...

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Analyzing the Experiment (Part I)
Design of Experiments
By Steven Wachs / October 23, 2020

Analyzing the Experiment (Part I)

We are ready to learn how to analyze the data collected during the experiment.  This is the most exciting part...

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Conducting the Experiment
Design of Experiments
By Steven Wachs / October 7, 2020

Conducting the Experiment

In this week’s blog entry, we discuss some guidelines for conducting an experiment.  As we discussed in an earlier post,...

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