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May 2016

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Subject:
From:
Yuan-chia Joyce Koo <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Yuan-chia Joyce Koo <[log in to unmask]>
Date:
Sun, 29 May 2016 19:54:27 -0400
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text/plain
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text/plain (68 lines)
hopefully, it is not voting system.  otherwise, you get vote out to  
the lowest std.  (one system designer, with many part vendor,  
supplier, marketing guys, bean  counters, etc. the program mgr will  
get over powered sometimes... horrible).
         jk
On May 29, 2016, at 2:19 PM, Richard Kraszewski wrote:

> I would suggest  the use of a pFMEA or dFMEA  to assist in making  
> that decision.
> Need to have all stakeholders involved in that exercise.
> (yes I know this can be pain)
>
> Rich  Kraszewski
> (920) 969-6075
>
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Douglas Pauls
> Sent: Thursday, May 26, 2016 10:00 AM
> To: [log in to unmask]
> Subject: [TN] How much change is change?
>
> Good morning all,
>
> One of the IPC groups that I am leading is presently wrestling with  
> the issue of minor vs. major change.  Generally along the lines  
> that if you have a baselined or qualified manufacturing process,  
> how much can that process change before it needs to be re-baselined  
> or re-qualified?
> Sometimes this is referred to as Level 1 vs. Level 2 change.
>
> So far, every quality documentation system that I have looked at,  
> like AS9100, ISO9000, etc., gets really fuzzy and uses vague terms  
> when you approach this issue.  Most of these documentation systems  
> have change better defined for products, but get extremely fuzzy  
> and extremely vague about manufacturing processes.
>
> This forum has a lot of very smart, very experienced people. How  
> would you differentiate a minor change, which would not impact form  
> fit or function, from a major change, which "could/would" impact  
> form fit or function?
>
> And I want all you lurkers to come out of the woodwork on this one.
>
> Doug Pauls
> Principal Materials and Process Engineer Rockwell Collins
>
>
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