<div dir="ltr"><div>@Mike, John and Nick:</div><div>Thank you for the information on construction (and I had never heard of that Mattel toy. Pretty cool).</div><div><br></div><div>@Scott and JSC</div><div>Awesome. Sometime in January would be good, if that is doable? There's a proposal that's gonna be due in March and it would be great if we can include it. Thank you!<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Dec 20, 2022 at 11:28 PM Jeffrey Crews <<a href="mailto:cruzetti@gmail.com">cruzetti@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Hello, I am close to finishing the VF machine. I mostly need to get some aluminum angle to hold the heater above the bed, and make some platens. What is your time frame? Holidays slowed me down. <div dir="auto"><br></div><div dir="auto">JSC</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Dec 20, 2022, 23:13 Scott Hall <<a href="mailto:scottghall1@gmail.com" target="_blank">scottghall1@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto"><div><div><div dir="auto">Charles (& Mike),</div><div dir="auto">Jeff Crews at SplatSpace has built a vacuum-forming machine from scratch. I cross-posted this message so that he might see it and respond to you.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Dec 20, 2022, 9:56 PM Mike Lisanke via TriEmbed <<a href="mailto:triembed@triembed.org" rel="noreferrer" target="_blank">triembed@triembed.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Charles, <div><br></div><div>Hope everything is going great for you and yours.</div><div>I recall as a child using this...</div><div><a href="https://www.ebay.com/b/Mattel-Vacuform/727/bn_7114054425" rel="noreferrer noreferrer" target="_blank">https://www.ebay.com/b/Mattel-Vacuform/727/bn_7114054425</a><br></div><div>much later in life but still years ago, I've watched DIY Youtube videos on vacuum forming. </div><div>I was interested in the tech and was surprised that a great number of vacuum draw holes was Not needed. </div><div>But still it all depends on the size and requirements of the product.</div><div>Your product idea seems to fit in the vacuform size and pin spacing. </div><div>as I recall (after very long time) it had a great number of tiny pinholes in its forming platen.</div><div>I held thin plastic sheets in a metal frame which is held against a heater (opposite of the forming platen) </div><div>which is then swung into place for vacuum pump down. </div><div>Anyway, I hope the story helps. </div><div>I haven't worked on implementing my own (yet) because there's so much manufacturing tech to look at/choose!</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Dec 20, 2022 at 9:31 PM Charles West via TriEmbed <<a href="mailto:triembed@triembed.org" rel="noreferrer noreferrer" target="_blank">triembed@triembed.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Hello!</div><div><br></div><div>I'm kinda all over the place project wise (apologies Paul), but one of the things I am working on right now is a Phase 1 STTR grant from NASA for a new solar sail material.</div><div><br></div><div>As part of that, I'm trying to figure out the barriers to implementing a new solar sail design called a "space tow". It's composed of a bunch of little solar sails all strung together like sled dogs to pull on something.</div><div><br></div><div>As part of that, I am trying to see whether it's possible to form corrugations in a thin plastic sheet (1-5 microns thick) so that it has some rigidity and won't need reinforcement to stay planar.</div><div><br></div><div>As part of that, I would like to try vacuum forming one of the sheets and see if that can produce the desired change in shape.</div><div><br></div><div>... as part of that, I need to find, make or buy a vacuum forming machine and give it a go.</div><div><br></div><div>TL;DR:</div><div>Does anyone know where I could find a vacuum forming machine that I could use or about their experience homebrewing one?</div><div><br></div><div>Thanks,</div><div>Charlie<br></div></div><br>
Triangle, NC Embedded Interest Group mailing list<br></blockquote></div><div><br></div>-- <br><div dir="ltr">Best regards, Mike</div><br>
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