M. Gerusky


  • Not familiar with the Type 1 & 2 designations. I’m assuming (from your statement) that Type 1 is the repeatability component and Type 2 is reproducibility. Why would you separate the two when you can generate the data simultaneously? To establish repeatability, you have to make sure that your repeatability deficiencies are not with just one…[Read more]

  • Mark-
    The topic is Measurement System Analysis (Gage R&R) with attribute data, not manufacturing capabilities (to which the lofty measure of six sigma applies).
    Gage R&R’s for variable data are fairly straightforward whether using Xbar&R or ANOVA. The AIAG has provided guidelines as:
    Ideal 10% or less
    Acceptable 10-20%
    Marginal…[Read more]