PPAP Checking aids, what to do exactly?

Thanks sir (Jim Wyne) for the reply.

I have already read this sheet before and i found that you need to cover all the H-D Design specifications but if I don't have the desired measurement instrument or gage to check a particular dimension which is also not that important in the manufacturing of that particular part, then can i skip those dimensions, while making the list of checking aids ?
Do you understand what constitutes a checking aid? What types of devices are you referring to?
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Welcome to the Cove. :bigwave:

when Harley-Davidson adopted the AIAG PPAP process in 1999, I was involved in establishing the requirements for suppliers. As a part of that I wrote a guidelines document that described H-D's expectations. I've attached the checking aids section. While it describes generic requirements, the expectations of individual customers vary widely, so it's always best to check for customer requirements regardless of what the PPAP manual says.
Jim, for the Checking-Aid where we use a CMM, would the CMM be considered an Aid since the program to measure the parts is part specific? Thanks



Forum Moderator
These pictures may help clarify. As Jim said, checking aids are part specific, often Go/No-go or have provisions for indicator gages. Aid in checking GDT features with MMC.

1658764553100.png 1658764625051.png
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