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Old 6th March 2012, 11:24 PM   #1
NYCOne is offline NYCOne  United States
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Default Wanted: Backyard Aluminum Foundry in SF Bay Area

I'm looking at a novel build and I'd like to pour a cast aluminum case for an amp. I don't have a foundry in my backyard, yet I'm aware of many DIYers who do. I'm seeking a fellow DIYer in the SF Bay Area to try a Class A case of cast aluminum.

Thanks
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Old 7th March 2012, 02:46 AM   #2
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Inquire in the art/sculpture community.

Btw, I thought you were in Manhattan NYC?

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Old 7th March 2012, 03:39 AM   #3
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You local college or community college usually has a foundry for classes. Sometimes they use molten brass, sometimes aluminum. They'll have all the forms and sand, as well as the machines for making cores etc.
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Old 7th March 2012, 05:19 AM   #4
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Try "The Crucible" in Oakland?
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Old 7th March 2012, 05:54 AM   #5
qusp is offline qusp  Australia
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any reason it has to be cast not CNC? or is it actually cheaper to cast? i would have thought it more expensive and CNC from solid billet should be stronger too yeah?
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Old 7th March 2012, 06:35 AM   #6
benb is offline benb  United States
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Look for a local hackerspace, makerspace or "TechShop" (name brand of a workshop chain) and ask if they do aluminum pours.
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Old 7th March 2012, 06:59 AM   #7
NYCOne is offline NYCOne  United States
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Quote:
Originally Posted by bear View Post
Inquire in the art/sculpture community.

Btw, I thought you were in Manhattan NYC?

_-_-bear
I moved over Thanksgiving
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Old 7th March 2012, 03:17 PM   #8
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casting requires post machining too.

what's it gonna be?

_-_-bear

oh there are shape limits and thickness limits also.
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Old 7th March 2012, 06:20 PM   #9
benb is offline benb  United States
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I was at the local hackerspace in 2010. As I was leaving I saw an Atlanta "Skyline" (part of the Freeside Atlanta logo) cut out of styrofoam with a hot-wire cutter. I didn't think anything of it (how impressive is something made of styrofoam? not much) until I saw this pic the next day. They had obviously used it to make a mold for the pour:
https://twitter.com/#!/raifords/status/20592777404
Quote:
casting requires post machining too.
This surface isn't good enough?
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