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Schrempp Makers A site to gather tips and tricks of Making 2015-02-16T15:03:55 http://www.jimschrempp.com/BB/feed.php?f=7 2015-02-16T15:03:55 2015-02-16T15:03:55 http://www.jimschrempp.com/BB/viewtopic.php?t=5&p=21#p21 <![CDATA[Vacuum Forming • Re: PET-G (Vivak)]]> Statistics: Posted by jschrempp — Mon Feb 16, 2015 3:03 pm

]]> 2015-02-16T15:03:14 2015-02-16T15:03:14 http://www.jimschrempp.com/BB/viewtopic.php?t=16&p=20#p20 <![CDATA[Vacuum Forming • Prevent undersuck]]>
I have tried both water based, air drying clay (the kind you might use to make a pot) and an oil based, never hardens modeling clay.

The never harden clay melted just a bit with the vacuum forming and was a mess to clean up. I placed the clay more as a &quot;rope&quot; around the model and that left a lot of nooks and crannies in the formed plastic that clay was stuck in. On one cycle, for some reason, I smoothed out the clay with my finger and that made the clean up much easier. Still, it is a pain and I don't recommend it.

The water based clay seems like it's going to dry on everything and be a mess. In fact it is easier to clean up. The clay did not &quot;melt a bit&quot; in the heat of forming; I think it became a bit harder. Then the clean up is easy with just flooding the formed plastic with water.

I wish I had never thought to try the oil based clay!

Statistics: Posted by jschrempp — Mon Feb 16, 2015 3:03 pm

]]> 2015-02-16T15:02:39 2015-02-16T15:02:39 http://www.jimschrempp.com/BB/viewtopic.php?t=15&p=19#p19 <![CDATA[Vacuum Forming • Mold Release]]> Statistics: Posted by jschrempp — Mon Feb 16, 2015 3:02 pm

]]> 2015-02-16T15:01:39 2015-02-16T15:01:39 http://www.jimschrempp.com/BB/viewtopic.php?t=5&p=18#p18 <![CDATA[Vacuum Forming • Re: PET-G (Vivak)]]> Statistics: Posted by jschrempp — Mon Feb 16, 2015 3:01 pm

]]> 2015-02-16T14:46:27 2015-02-16T14:46:27 http://www.jimschrempp.com/BB/viewtopic.php?t=5&p=6#p6 <![CDATA[Vacuum Forming • PET-G (Vivak)]]> Statistics: Posted by jschrempp — Mon Feb 16, 2015 2:46 pm

]]> 2015-02-16T14:45:11 2015-02-16T14:45:11 http://www.jimschrempp.com/BB/viewtopic.php?t=4&p=5#p5 <![CDATA[Vacuum Forming • Re: Styrene]]>
I set the vacuum former heaters on 3. This material took 50 seconds to be ready to form. It formed very nicely with excellent detail.

I found that this is substantially thinner material than the 1/32 inch sheets from Tap Plastic.

I wish I had ordered 0.04 inch material from US Plastics.

Statistics: Posted by jschrempp — Mon Feb 16, 2015 2:45 pm

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