How do I link Process Capability Indices to Number (PPM) Defects?
podcast episode with speaker Chris Jackson
We often use the word ‘quality’ to describe products that are manufactured with minimal defects (… and within tolerances). If you are involved in the field of quality (and manufacturing), then you might have heard of ‘capability indices.’ These are simple numbers that essentially describe the ‘quality’ of things being manufactured. There are certain guidelines and industry ‘standards’ for what these numbers should be. Have you ever heard of the ‘6 sigma’? It promotes a capability index of two (2). But what does this mean? These numbers also correspond with the fraction of defective products. Want to learn what these capability indices mean? … and how to get them? … and how to convert them to things like Parts Per Million (PPM) defects? Or better yet … if you need to learn a bit more about manufacturing and how we measure quality in general? Join us for this webinar.
This Accendo Reliability webinar was originally broadcast on 24 October 2023.
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To view the recorded video/audio and PDF workbook of the event visit the webinar page.
Additional content that may be of interest
Process Capability, Tolerance, and Reliability webinar
Process Capability VI – Non-Normal Variables article
Process Capability – Article Links article
Process Capability Analysis I – Overview and Indices article
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Progressive manufacturers use control charts to “listen” to their processes to detect and rectify potentially harmful changes.
How do I link Process Capability Indices to Number (PPM) Defects?
if you need to learn a bit more about manufacturing and how we measure quality in general? Join us for this webinar.
What is Statistical Process Control or SPC?
You may have heard of Statistical Process Control, 6-sigma, Shewhart, the Japanese Economic Miracle, X̅ – R Charts … or perhaps none of them.
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A process is considered ‘capable’ if it creates products that, with production natural variation, are still within what ‘good’ looks like.
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Statistical control charting (SPC) is a method for monitoring and determining whether a process is in control or stable.
Fundamentals of Process Capability
Let’s explore the steps necessary to obtain valid and valuable process capability ratios. Then, let’s examine how to use this information.
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