Do I Need To Do Gage R&R (GR&R) On Each Device Or Just Each Family

O

outdrsman

#11
Hello everyone!
I have several questions. I am in a new position with the responsibility of PPAP packages. This is the first time a customer has requested a PPAP and I am diving in head first not knowing the depth of what I'm diving into. :mg: The customer does not specify ANY requirements for individual pieces of the PPAP so I am assuming that our company has discretion as to how to perform the tasks.
My task at hand is Gage R&R (MSA). Inspection of several features is done by using gage blocks and plug gages. If the tolerance is +.002"/-.000" and our plug gages are in increments of .0005", is this acceptable since it cannot follow the rule of 10? Also, because an actual measurment isn't being taken, only go/no go determinations, can a gage R&R be done? Should a more labor intensive measurment be taken to determine more a more precise number?
The process uses 2 different lathes and a milling center to machine the entire part. Does a Gage R&R need to be done on each family of gages on EACH machine or can I do a single family for the entire part?
Any guidance would be appreciated. ;)
 
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