not always possible, but it helps pro- vide initial expectations for outlining the control plan. “Our preference is always to


work with our customer,” Hartigan said. “The more give and take there is, the more successful the part will be. We are in the middle of a huge program, and it is fantastic to have them on the phone with us every day, or in our building often enough that we practically need to set up cubicles for them.” According to Hartigan, PPAPs


have varying degrees of require- ments, depending on the applica- tion of the part and how critical it is to the whole. Te process was first developed by the automotive industry to avoid critical failure that could result in death. “FMEA is basically asking what


Section 2 of the PPAP requires a design record, including a blueprint or 3-D model, geometric dimen- sioning and tolerancing, and additional specifications.


can go wrong, and if it does, how badly can it affect things,” he said. “You can prioritize the control docu-


42 | MODERN CASTING September 2013


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