@Mike, John and Nick: Thank you for the information on construction (and I had never heard of that Mattel toy. Pretty cool).
@Scott and JSC 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! On Tue, Dec 20, 2022 at 11:28 PM Jeffrey Crews <cruze...@gmail.com> wrote: > 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. > > JSC > > On Tue, Dec 20, 2022, 23:13 Scott Hall <scottgha...@gmail.com> wrote: > >> Charles (& Mike), >> 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. >> >> On Tue, Dec 20, 2022, 9:56 PM Mike Lisanke via TriEmbed < >> triembed@triembed.org> wrote: >> >>> Charles, >>> >>> Hope everything is going great for you and yours. >>> I recall as a child using this... >>> https://www.ebay.com/b/Mattel-Vacuform/727/bn_7114054425 >>> much later in life but still years ago, I've watched DIY Youtube videos >>> on vacuum forming. >>> I was interested in the tech and was surprised that a great number of >>> vacuum draw holes was Not needed. >>> But still it all depends on the size and requirements of the product. >>> Your product idea seems to fit in the vacuform size and pin spacing. >>> as I recall (after very long time) it had a great number of tiny >>> pinholes in its forming platen. >>> I held thin plastic sheets in a metal frame which is held against a >>> heater (opposite of the forming platen) >>> which is then swung into place for vacuum pump down. >>> Anyway, I hope the story helps. >>> I haven't worked on implementing my own (yet) because there's so much >>> manufacturing tech to look at/choose! >>> >>> On Tue, Dec 20, 2022 at 9:31 PM Charles West via TriEmbed < >>> triembed@triembed.org> wrote: >>> >>>> Hello! >>>> >>>> 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. >>>> >>>> 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. >>>> >>>> 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. >>>> >>>> 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. >>>> >>>> ... as part of that, I need to find, make or buy a vacuum forming >>>> machine and give it a go. >>>> >>>> TL;DR: >>>> Does anyone know where I could find a vacuum forming machine that I >>>> could use or about their experience homebrewing one? >>>> >>>> Thanks, >>>> Charlie >>>> >>>> Triangle, NC Embedded Interest Group mailing list >>>> >>> >>> -- >>> Best regards, Mike >>> >>> Triangle, NC Embedded Interest Group mailing list >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "Splat Space " group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to durham-makerspace+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/durham-makerspace/CALOtY4MWJBhNEA6CJzKujEhn%2BNY0VMck9NVnQVo-aTBDyp4C%3Dw%40mail.gmail.com >> <https://groups.google.com/d/msgid/durham-makerspace/CALOtY4MWJBhNEA6CJzKujEhn%2BNY0VMck9NVnQVo-aTBDyp4C%3Dw%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> >
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