AS9102 FAI for Circuit Card Assembly - Measure each hole and document it?

Al Rosen

Holed-up in a Hotel in South Florida
Staff member
Super Moderator
#1
I was wondering how to meet the AS9102 FAI for a printed circuit board that has hundreds of holes. Circuit boards typically contain many groups of holes. Each group is of the same size. Do we have to measure each hole and document it on the form or can we take a sample? If we must measure each hole, can we document the range of the measurement?
 
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#3
Re: AS9102 FAI for Circuit Card Asembly - Measure each hole and document it?

One of the problems with printed circuits is plating consistency across the board. This can cause holes to be plated more in some areas, less in others (I'm assuming you're talking of plated thru holes).

Some, by design may just be 'via' holes, others are component holes. One way to quickly assess size is to have a pin jig made, rather than individually measure all holes - since the only practical way is with a tapered hole gauge which isn't the most accurate. Once you've got the gauge you could drop a board on it periodically just to check process control.
 

Al Rosen

Holed-up in a Hotel in South Florida
Staff member
Super Moderator
#4
Re: AS9102 FAI for Circuit Card Asembly - Measure each hole and document it?

We design and manufacture to customer spec. We might build 6 to 12 pieces and may not build any more. It doesn't make much sense to do it under these conditions. Can we take exception in the case of a small lot?
 

Frank T.

Involved in Discussions
#5
Re: AS9102 FAI for Circuit Card Asembly - Measure each hole and document it?

We might build 6 to 12 pieces and may not build any more.
I know its fustrating, I do FAI's on pieces we only make one or two of.:mad:
It doesn't make much sense to do it under these conditions. Can we take exception in the case of a small lot?
You can take exception only if your customer agrees. Unfortunately you will still have to show compliance to 8.2.4.2 of AS9100. If your an AS registered organization.
 

Al Rosen

Holed-up in a Hotel in South Florida
Staff member
Super Moderator
#6
Re: AS9102 FAI for Circuit Card Asembly - Measure each hole and document it?

I know its fustrating, I do FAI's on pieces we only make one or two of.:mad: You can take exception only if your customer agrees. Unfortunately you will still have to show compliance to 8.2.4.2 of AS9100.
We have a process in place and can do it, but at what cost to the customer? There is the law of diminishing return.
 

Frank T.

Involved in Discussions
#7
Re: AS9102 FAI for Circuit Card Asembly - Measure each hole and document it?

We have a process in place and can do it, but at what cost to the customer? There is the law of diminishing return.
Do you not include the cost of performing the FAI, prior to accepting the contract?
 
Last edited:

Al Rosen

Holed-up in a Hotel in South Florida
Staff member
Super Moderator
#8
Re: AS9102 FAI for Circuit Card Asembly - Measure each hole and document it?

Do you not include the cost of performing the FAI, prior to accepting the contract?
Yes, but unfortunately someone failed to include the cost in the original quote.
 
D

domingue

#9
Re: AS9102 FAI for Circuit Card Asembly - Measure each hole and document it?

Yes, but unfortunately someone failed to include the cost in the original quote.
That is unfortunate indeed. To the best of my knowledge though, AS9102 requires that every feature be verified without exception. I wouldn't buy off a FAIR from a supplier otherwise, and I'm sure I wouldn't hear the end of it if I did.
 

Wes Bucey

Quite Involved in Discussions
#10
Re: AS9102 FAI for Circuit Card Asembly - Measure each hole and document it?

FWIW: A neighboring company in the industrial park where my business was located came to me with a similar query about a thin metal plate which had 625 holes of varying sizes.

It so happened I had visited another neighbor who had just installed a closed circuit TV with magnifying, measuring lenses, which compared and measured very small products with a three decimal accuracy. I walked the one neighbor over to the other to see the system. They struck a bargain where the TV guy performed the first article inspection with video-tape record of each of the 625 holes with exact[?] measurement for 3 first pieces (one from each of three production machines.) The whole process was completed in less than one day from their first meeting.

The system was capable of being programmed to perform a rapid test of either EVERY product (100%), or of the samples in SPC charting. It was very cool.

Perhaps you have an organization near you with similar equipment? (I'd go to manufacturers and distributors of such equipment to find "satisfied customers" where you can go "see it in action.")
 
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