Re: Aluminum shrinkage?

ArtMetal
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Posted by Lyle Landstrom on April 14, 19100 at 21:26:32:

In Reply to: Aluminum shrinkage? posted by Jack Fisher on April 09, 19100 at 17:30:12:

I have attached a link on how I cast aluminum which might help you.

I don't think a number 10 crucible will be large enough to efficiently cast all those links. Especially if you cast them in gangs. Use a 1/4 inch per foot shrink factor for something the size you mentioned. Shrink factors vary depending on alloy, pouring temp, and size/shape of casting but 1/4 inch will be very close.

Read the article. It follows the pattern making process to the casting of a motorcycle cam cover but the idea is the same for the tank links.


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