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Subject: Warped Casting problem

Date: 08/08/03 at 6:38 AM
Posted by: gking
E-mail: gking@hayes-lemmerz.com
Message Posted:

We are looking for a solution to a warp problem on an aluminum casting. It's a core pack casting poured in a sand mold and there is warp before heat treat, but measuring the same casting shows more warp after heat treat. Don't know if we can get away from the after heat treat warp, but I would like to find a root cause. We tested right out of the mold, before any handling and still had warp. Anybody out there have any experience with this type of problem.

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