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Vacuum Forming, Movie Prop, Sci-fi and GIjOE Forum
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tekno
Joined: 07 May 2011
Posts: 1
Location: United States
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 Posted: Sat May 07, 2011 8:32 pm Post subject: Hello |
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Hello - I just joined TK560 to learn about doing vacuum molding. I have a project that will probably be a one off. Im in the Sf bay area.
Right now Im interested in how to make a mold for 3/16 ABS.
thanks
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jegner
Site Admin
Joined: 30 May 2003
Posts: 2144
Location: Texas, USA
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| Posted: Mon May 09, 2011 9:09 am Post subject: |
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jdougn
Guru
Joined: 18 Mar 2009
Posts: 714
Location: Louisville KY area
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| Posted: Mon May 09, 2011 1:46 pm Post subject: Re: Hello |
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| tekno wrote: | Hello - I just joined TK560 to learn about doing vacuum molding. I have a project that will probably be a one off. Im in the Sf bay area.
Right now Im interested in how to make a mold for 3/16 ABS.
thanks |
Hey tekno, welcome to the forum. I use 3/16" ABS for most of what I do. What's your actual project? The vac former has to be near commercial grade to get the heat & vacuum necessary to form plastic that thick. Consider the ProtoForm design talked about in various threads if you're looking to build your own vac former.
All vac forming molds require some "draft" to allow the cooled plastic to release. Basically, no undercuts or 90 degree verticals on normal molds for vac forming. The mold should generally be solid to withstand the intense pressure needed to form the plastic. The mold will also need to be relatively resistant to high heat in the neighborhood of 350 +- degrees F.
Hth, DougN
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DougN - Just in case you're wondering, I got my "rating" legitimately... by posting aimless drivel, useless advice, and pointless questions. |
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