iSixSigma

TNH1

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  • @tnh1 You can substitute (in an attribute study) machines for operators. That is the easiest way I can think of. you can use hypothesis testing but you need to know specifically by piece if there is agreement. 1 year, 2 months ago

  • @tnh1,

    Thomas Rust of Autoliv gave a great presentation on attribute MSA at the 2016 ASQ Fall Technical Conference. To get the recordings, you can contact ASQ. I’m not sure what the charge would be, but I’m guessing it will be marginal. I have found their costs to be very reasonable. Since you have a vision system, you more than likely have…[Read more]

  • @tnh1 I wouldn’t think the number of components on the board would be as big an issue as the density of the components. This is kind of a pretty basic test. It has been 30 years since I did this specifically on a PCB so our visual systems were pretty rudimentary. The concept doesn’t differ.

    You are using Attribute data so sample sizes can be…[Read more]

  • @tnh1 I am just going to give you what I would do or what I am thinking I would do. This is going to be what we call Jerry Garcia Theory (stay as high as you can for as long as you can except this is high level view not drugs). There is no reason to dive into this deeply until you have a reason to do so.

    If you do the attribute agreement study…[Read more]