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Subject: Rework Cost Model

Date: 04/12/02 at 5:50 PM
Posted by: Tom
E-mail: tgnoonan@aol.com
Message Posted:

I know the information is out there somewhere, but I need to find information on a rework cost model that helps determine at what point rework should/should not performed. I had this task dropped in my lap and I’m trying to turn this around quickly.

Some background:
Products that are diagnosed as fails in the field are sent directly to a CM to inspect, test and if needed reworked. (typically ~50% are ‘no trouble found’, and I don't want to belabor the quality of our field service techs.) . The boards are then circulated back into the service pipeline, which at some point are sent out to customers. The process then may/may not be repeated. In some cases the boards complete this cycle more than we care to omit :-(
Long story short, I don’t want to recreate a cost model that others may have developed and proven.
Can anyone provide some insight ?
Also, since we are trying to pull in the reins on the CM’s (in terms of quality & number of acceptable reworks), I am looking for recommendations on what others might see as guidelines to number of reworks, “rules of thumb” or other ideas relative to managing the quality and quantity of acceptable reworks.
Thanks to any or all . . . .



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