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Failure To Knit Surfaces in Mold

Question asked by Ivy Courtney on Oct 16, 2017
Latest reply on Oct 17, 2017 by Ivy Courtney

I am working on an impeller and I am trying to extract the core from the model but I cannot get the tooling split to save my life. It jsut keeps saying that it can't knit the surfaces.

 

I tried using the STEP in and out method but that didn't work either.

 

I realize that I am using a machined model but the internal is the same as the as cast (which has an odd parting line, which I might have screwed up). The draft is correct in the model and should not be changed.

 

Any ideas?

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