Chris Butterworth
Industrial Problem Solving - Example
We had two suppliers of parts for one of our subassemblies. A wood products company provided the cabinet and a plastic injection molder...
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Chris Butterworth
- Feb 24, 2020
- 3 min
Industrial Problem Solving- Random Defects
In manufacturing, most companies have to deal with costly quality problems eating up too much of their profit. Many of these problems...
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Chris Butterworth
- Jun 12, 2018
- 3 min
Process Improvement with Control Charts
Statistical process control (SPC) charts were developed by Walter Shewhart and introduced to the world in his 1931 book "Economic Control...
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Chris Butterworth
- Mar 11, 2018
- 3 min
Understand Measurement Variability
We take measurements every day to control processes and to accept or reject products. Often, there is little thought that goes into...
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Chris Butterworth
- Oct 18, 2017
- 3 min
Industrial Problem Solving - Sum of Variances
Too much variation is a common cause of defects in a manufacturing company. This variation causes some items to be over or under the...
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Chris Butterworth
- Sep 20, 2017
- 2 min
Industrial Problem Solving
Manufacturers lose most of their profits due to Quality problems. Consider that for a moment. Do you think that is true at your...
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Chris Butterworth
- Nov 8, 2016
- 2 min
Learning Through Data - Residual Analysis
In this post I want to describe a simple technique that can lead to learning something new. In this case, we found out something...
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Chris Butterworth
- Sep 10, 2015
- 3 min
Getting Started with Process Improvement
There are a lot of people who are responsible for business process improvement and it can be a daunting task. Where does one begin? All...
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Chris Butterworth
- May 22, 2015
- 2 min
Your Data Holds Key Insight
All organizations today dedicate some level of effort on improving their business processes. It's an important component of competitive...
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Chris Butterworth
- Mar 20, 2015
- 1 min
Develop your statistical competence
There have been several occassions in my work history when something out of the world of applied statistics struck me as being rather...
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Chris Butterworth
- May 10, 2014
- 2 min
Understand Your Processes
I think this advice is pretty obvious but I don't see it being employed often enough. Many of us are tasked with improving a process...
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