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Paint baking question

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  • Member since
    September 2003
  • From: South Central Wisconsin
Paint baking question
Posted by Daywalker on Saturday, December 29, 2007 8:55 AM
I remember reading about baking the finish of models, but cannot remember exactly where I saw it.  Someone also showed a photo of their homemade paint oven, using a cardboard box, aluminum foil, and a light.  I made one for myself this morning, and was wondering if anyone who has a similar setup could give me a basic guide to temps and time in the oven.  IIRC, someone ssaid NO MORE than 150 degrees for about an hour.  Does this sound right?  TIA!

Frank 

 

  • Member since
    August 2006
  • From: Neenah, WI
Posted by HawkeyeHobbies on Saturday, December 29, 2007 9:41 AM

Make sure there are holes in the bottom to let cool air in and hots at the top to let the hot air escape. A low wattage light bulb is sufficient. Experiment with different watt bulbs until you find one that will hit the ideal temp you want...no more than 120 degrees TOPS! Also place a heat shield between the bulb and the model.

I do my drying on top of the lamp above my workbench. If I need a larger 'oven' I particon off the area of the shelf above the light to 'hold' the heat in. Works great.

The aluminum mitre box works as a heat sink in which I place small parts to 'bake'. Draping a cover over the front of the shelf and lamp helps hold more heat. This area tends to be a bit more dust free since it is high above the 'work zone'. 

Gerald "Hawkeye" Voigt

http://hawkeyes-squawkbox.com/

 

 

"Its not the workbench that makes the model, it is the modeler at the workbench."

  • Member since
    September 2003
  • From: South Central Wisconsin
Posted by Daywalker on Saturday, December 29, 2007 10:04 AM
Thanks for the quick reply Gerald!  RIght now, I have a 60W bulb in the "oven" and my temps with the holes in the bottom and top are between 115 and 125 degrees.  I left the flaps on the box so that I can open them like dampers to regulate the heat.  I also used on of those remote sensor digital thermometers with the sensor mounted in the middle of the box.  Thanks you for the temp I need, how long do you bake your finishes for?

Frank 

 

  • Member since
    January 2003
  • From: Peoples Socialist Democratic Republic of Illinois
Posted by Triarius on Saturday, December 29, 2007 12:11 PM

Depends on the paint, but I generally give it about an hour.

Make sure the paint is completely dry to touch before you put it to bake. 

Ross Martinek A little strangeness, now and then, is a good thing… Wink

  • Member since
    April 2003
  • From: Hayward, CA
Posted by MikeV on Saturday, December 29, 2007 1:49 PM

Frank,

That was probably my drying booth that you are referring to.

I have a 100 watt bulb and no holes in the box anywhere as I see no need for them.

The box's internal dimensions are 20" long x 15" deep x 13" tall 

I put an old black T-shirt hanging down over the opening of the box and the temperature usually gets around 112-116 degrees. I leave the part in there for about 45 minutes to an hour and it is thoroughly dried. I use Tamiya acrylics exclusively.  

Wisdom is the right use of knowledge. To know is not to be wise. Many men know a great deal, and are all the greater fools for it. There is no fool so great a fool as a knowing fool. But to know how to use knowledge is to have wisdom. " Charles Spurgeon
  • Member since
    September 2003
  • From: South Central Wisconsin
Posted by Daywalker on Saturday, December 29, 2007 6:14 PM

Thanks guys for the help! Thumbs Up [tup]

Mike- Yep, that's exactly the one I used as a reference!  Great idea, looks like it will work a treat!

BTW, I have been playing around with my new Badger 200-3, and I love it!  Turn the needle in tight enough and I can do the smallest mottle, and open her up and she's ready for clearcoats!

Frank 

 

  • Member since
    August 2006
  • From: Neenah, WI
Posted by HawkeyeHobbies on Saturday, December 29, 2007 7:23 PM
Bake time varies from model to model and paint to paint. I also let my putty work cure in the oven as well. I do find that MM enamels tend to stay sticky even after baking a while. So I just leave them set overnight with the oven off. Next morning they are hard cured.

Gerald "Hawkeye" Voigt

http://hawkeyes-squawkbox.com/

 

 

"Its not the workbench that makes the model, it is the modeler at the workbench."

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