Mini vacuum forming help

  1. #1

    Mini vacuum forming help

    Well I'm thinking of making a mini vacuum former for making the eyes for my Cad Bane masks I'll be selling, and some dentures for the masks aswell.

    Anyone have some plans or ideas? I already have a vacuum pump and I'm thinking of using a modded toster for the oven.

    Please give me some tips.

    -Sp-

  2. #2

    Re: Mini vacuum forming help

    Anyone?

  3. #3

    Re: Mini vacuum forming help

    just use your oven.

    it will be small enough you can make a gate system with your vac table. If its small enough, i once made a vac table out of a TV dinner tray from walmart. Just drill a hole in the center, attach a hose to it from the vacuum pump, and make a gate to fit. Throw the plastic in the gate, then in the oven and heat it up, and then suck it down over your mold.

  4. #4

    Re: Mini vacuum forming help

    Ya, um.. I don't think I could use my real oven, but thats a different storie. Do you think this would work:

    http://cgi.ebay.com/ws/eBayISAPI.dll...=STRK:MEWAX:IT

  5. #5

    Re: Mini vacuum forming help

    I think you'd be better off with an electric griddle than a toaster oven. It's the same basic idea as the heater in a bigger table, just small. Good temperature control, relatively low power requirements.

  6. #6

    Re: Mini vacuum forming help

    I recommend an electric grill and a good vacuum cleaner -1,-1,5 bar

    http://www.youtube.com/watch?v=bBl-kA8ITlA

  7. #7

    Re: Mini vacuum forming help

    Like one of these?


  8. #8

    Re: Mini vacuum forming help

    lol, not a griddle....I think he meant more like a hot plate, like this.


  9. #9
    cal196's Avatar
    Member Since
    Aug 2004
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    Earth
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    2,617

    Re: Mini vacuum forming help

    Why cant you use your house Oven? The Plastic has 0 vapor and is 100% non toxic.

    http://www.youtube.com/watch?v=BVVE5...eature=related

    If you still don't want that though.. oven element works pretty well. Need two for big projects.

    http://www.bestbuy.com/site/Emerson+...=1218012139757

  10. #10

    Re: Mini vacuum forming help

    cal196 said: View Post
    Why cant you use your house Oven? The Plastic has 0 vapor and is 100% non toxic.

    http://www.youtube.com/watch?v=BVVE5...eature=related

    If you still don't want that though.. oven element works pretty well. Need two for big projects.

    http://www.bestbuy.com/site/Emerson+...=1218012139757
    The reason why I don't want to use my oven is because then I'll have to run into my garage and then my dog might get out.
    I might just go with the oven I posted, I found it for $20.00 and heard it works good. Thanks for the help anyways

  11. #11

    Re: Mini vacuum forming help

    super, do you have a shop vac? I mean I can literally draw up plans for you to use a tv tray:



    A shop vac, and some wooden gates you'll construct yourself. Total production cost, bout 30 bucks.

    Then you can literally set it all up in your kitchen, and then break it down super easy.

  12. #12

    Re: Mini vacuum forming help

    Would this vacuum work?

    http://cgi.ebay.com/Rotary-Vane-Vacu...item5ad6969ad8

    I got it a while back.

  13. #13
    Ogait-Nas's Avatar
    Member Since
    Jul 2009
    From
    Seville, Spain
    Posts
    388

    Re: Mini vacuum forming help

    Gilmore of OK said: View Post
    super, do you have a shop vac? I mean I can literally draw up plans for you to use a tv tray:



    A shop vac, and some wooden gates you'll construct yourself. Total production cost, bout 30 bucks.

    Then you can literally set it all up in your kitchen, and then break it down super easy.
    Those plans are not in the main computer... I want them in the name of the Empire!

    LOL, I mean I'm very interested on having them.
    Last edited by Ogait-Nas; Feb 1, 2010 at 1:15 AM.

  14. #14

    Re: Mini vacuum forming help

    the best electric grill was that the old type with multiple heating coils.
    Unfortunately, you need to pump motor and control which push up costs.

  15. #15
    phantomfett's Avatar
    Member Since
    Jun 2002
    From
    Bellevue, NE
    Posts
    613

    Re: Mini vacuum forming help

    http://www.halloweenfear.com/vacuumformintro.html

    These are the plans I used, more or less.... It works great!

  16. #16

    Re: Mini vacuum forming help

    SUPERprops said: View Post
    Would this vacuum work?
    ooh, this is something i've been working on lately!

    based on the numbers, i'm skeptical of the machine... 29.9"... that's near perfect vacuum. I find it VERY hard to believe it can actually do that, especially at that price. if it does work that well, i'll by half a dozen of them!

    the flow rate is pretty low (3 cfm), so it would take a long time to evacuate a tank.

    which leads to the next thing... you don't usually pull straight from a pump like that. you usually use the pump to evacuate a tank, then pull from the tank.

    this is the setup i'm building:


    2 10 gallon tanks, evacuated by a rotary vane pump.

    my pump is a 3/4 horsepower, 10 CFM, but only rated for -26". the pump is about $800, which i why i was surprised to see a $100 one that says it will do 29.9.

    for a small / casual use system it may be easier to just use a shop vac.

  17. #17

    Re: Mini vacuum forming help

    Gilmore of OK said: View Post
    super, do you have a shop vac? I mean I can literally draw up plans for you to use a tv tray:



    A shop vac, and some wooden gates you'll construct yourself. Total production cost, bout 30 bucks.

    Then you can literally set it all up in your kitchen, and then break it down super easy.
    Hey I would love some plans. Just keep in mind that I don't have electric skills and welding skills, as for my tools for the wood part I have: A belt sander, detal sander, and hand saw.

  18. #18

    Re: Mini vacuum forming help

    Have a power drill?

  19. #19

    Re: Mini vacuum forming help

    Sure do.
    Last edited by SUPERprops; Mar 12, 2010 at 4:31 PM.

  20. #20

    Re: Mini vacuum forming help

    Bump, how are the plans coming along?

  21. #21
    ShocKWavE's Avatar
    Member Since
    Oct 2002
    From
    San Diego, CA
    Posts
    1,096

    Re: Mini vacuum forming help

    For the budget minded, I built a well-working little vac table awhile ago using common parts from Home Depot. If I remember correctly, it's about 24" x 18". Excuse the hand-sketch, but hopefully it helps someone. Believe it or not, with good technique, it actually pulls pretty good detail. I use my oven though for heating the frame+styrene. I've been wanting to attach an upper heating element so that I can slide the frame quickly right down to the base. Keep in mind the size of the material you will be buying when figuring out the dimensions to keep from wasting a lot (Styrene sheets usually come in 8'x4' sheets from manufacturers).

    Last edited by ShocKWavE; Feb 17, 2010 at 9:32 PM.

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