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  1. #1

    Join Date
    Nov 2009
    Location
    Oslo, Norway
    Posts
    10
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    0

    Default DIY Exposure unit plans inc. vacuum top

    Hey up!

    We run a small print shop in Norway and have been reading the forum for several years but itīs not often we put out any posts. We thought it was time to give the love back and show you all our new exposure unit.

    We like a lot of people here have been using the old skool foam pad, sheet of glass and a halogen lamp to make our exposures. Itīs been fine for basic stuff but as soon as we wanted to print big or get those tiny halftones popping it just didnīt cut the biscuit. After gleaning as much info from the forum as possible, and of course some advice from Andy we got it finished a few weeks ago...........oh are we smiling!

    The basic design is based upon those plans that have been floating around here for a while (Peter Mar's/dave@confusement.com) so thanks a lot for those. Weīve dropped a copy of our design in the Premium section, take a look, make it better......

    Graham and Erling, Automaton
    www.automatonstudio.no

    Hereīs some pics:















    Last edited by Grimbalo; 08-18-2010 at 01:43 AM.

  2. #2
    bongalong's Avatar

    Join Date
    Jan 2005
    Location
    switzerland
    Posts
    286
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    54

    Default

    looks great, thanks for sharing.

    try using sun tan neon lights, the ones that are used at the solarium tan shops.

    i've found that they are a lot better than the black lights.

  3. #3
    Premium Member
    DenisMutter's Avatar


    Join Date
    Apr 2002
    Location
    Very Near Dayton, Ohio y'all
    Posts
    8,185
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    735

    Default

    Can i get one at my local IKEA?
    API Local, Member 025 - Hack For Life!
    http://www.fnharsh.com
    http://fnharshdesign.bigcartel.com/

  4. #4

    Join Date
    Jun 2009
    Location
    UK
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    23
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    0

    Default

    Great job... it looks huge. What are the dimensions?

  5. #5

    Join Date
    Nov 2009
    Location
    Oslo, Norway
    Posts
    10
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    0

    Default

    Just waiting for IKEA now, gunna flat pack it into a 1/2 tonn package, and supply a really cheap shit screwdriver to put it all together!

    Those solarium bulbs are what we wanted to use, but had loads of trouble sourcing the ballasters, seems like thereīs a lot things happening in the world of fluorescent lighting and a lot of stuff is getting phased out, well at least over here in Norway!!

    As for dimensions, well the glass plate is 190 x 150cm give or take a few mm. Takes our 130 x 155 screens no worries.

  6. #6
    Premium Member
    Streeter's Avatar


    Join Date
    Apr 2003
    Location
    iowa city
    Posts
    2,269
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    100

    Default

    What is the round piece in the corner?

    Love the windows in the front, I'm assuming thats to check for good contact?

    Great job! Thanks for sharing!

  7. #7
    Premium Member
    Nicholas Wilson's Avatar

    Join Date
    Mar 2006
    Location
    Columbia, SC
    Posts
    1,659
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    408

    Default

    circle is probably for ventilation.
    The Half and Half
    Now Selling Speedball Ink for all your East Coasters.

  8. #8

    Join Date
    Jun 2009
    Location
    UK
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    23
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    Default

    Yeah the windows are a nice idea. I often wish i could take a look inside my unit to make sure i have good contact.

  9. #9
    Josh Rickun's Avatar

    Join Date
    Dec 2005
    Location
    MILWAUKEE
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    3,424
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    2506

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    dang that's intense. i just use pink insulation and bricks...makes it nice and dusty and i think i'm gona break the glass everytime i burn a screen.

  10. #10

    Join Date
    Nov 2009
    Location
    Oslo, Norway
    Posts
    10
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    0

    Default

    Yeah the round thing is an extractor fan, thereīs an intake on the other side. Not sure if itīs 100% neccessary but i remember reading something about that a fluorescent tube's colour temperature changes according to temperature....thus the airflow.

    The windows are to check the positive's position, but also so we can change the bulbs, that glass plate is seriously heavy and we shat bricks when we were installing it, i really donīt want to have to play with that again!

    Josh - We built the main box first and tried to get away without building the vacuum top, but it was scarey as hell, we had to put loads of weight up on the glass in order to get anything like good contact between the screen and the positive, but it never worked very well. Maybe itīs the size of our unit but the glass began to bend under the weight, giving bad contact, so we needed to use more weight and of course the more weight you put on the more the glass bends and the more weight you need and so on and so on until you reach that magic point when the glass shatters, sprays shards in your face and everything suddenly goes dark! or...build a vacuum top

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