Baking painted metal parts with a domestic oven

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Lner fan Sam

Baking painted metal parts with a domestic oven

Post by Lner fan Sam » Wed Dec 18, 2013 10:55 pm

I have got some loco body parts that I am planning to paint with halfords car paints. As a primer I will be using upol acid etch 8 and was wondering if it is ok to bake the parts with this acid etch in the kitchen oven? If so does anyone have any tips on how long the parts should be in the oven for and at what temputure?

Thanks in advance.
Last edited by Lner fan Sam on Thu Dec 19, 2013 6:11 pm, edited 1 time in total.

MDLR

Post by MDLR » Wed Dec 18, 2013 11:07 pm

MAJOR RULE 1:

ONLY DO THIS WHEN 'ER INDOORS OR THE DOMESTIC AUTHORITIES ARE NOT PRESENT as it can stink the house out!

MAJOR RULE 2:

Only have the oven running at its minimum temperature - it's all that's needed.

MAJOR RULE 3:

Bake for short periods and keep checking - half-an-hour should be more than enough

MAJOR RULE 4:

Remember the bits will be HOT!!

DolwyddelanLightRail

Post by DolwyddelanLightRail » Wed Dec 18, 2013 11:10 pm

MDLR:94016 wrote:MAJOR RULE 1:

ONLY DO THIS WHEN 'ER INDOORS OR THE DOMESTIC AUTHORITIES ARE NOT PRESENT as it can stink the house out!

MAJOR RULE 2:

Only have the oven running at its minimum temperature - it's all that's needed.

MAJOR RULE 3:

Bake for short periods and keep checking - half-an-hour should be more than enough

MAJOR RULE 4:

Remember the bits will be HOT!!
MAJOR RULE 5:

Don't accidentally put them under the grill, and please don't ask how I know this!

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Post by jim@NAL » Wed Dec 18, 2013 11:12 pm

theres no reason it shouldn't work id put in on a low temp thou

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Post by jim@NAL » Wed Dec 18, 2013 11:14 pm

RULE 6 do it then the wife is out

RULE 7 don't tell the wife

LnBmad

Post by LnBmad » Wed Dec 18, 2013 11:28 pm

RULE 8: allow the aerosol propellant smell to go before putting them in the oven.

RULE 9: check every 5mins to insure no fires where not wanted

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Keith S
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Post by Keith S » Thu Dec 19, 2013 2:14 am

It works, though. After painting my roundhouse kit engine, I noticed the boiler wrapper was taking on a nice, less "model"-y looking texture while the cab and tender were not. I realized that this was due to the heat of the boiler "baking" the paint, so I put the whole engine in the oven for an hour at a low setting. Now the paint looks the same all over the engine, and seems harder and less rubbery.

Don't do it while there are any women at home. For some reason they don't understand how necessary it is.

METHSSNIFFER

Post by METHSSNIFFER » Thu Dec 19, 2013 3:02 am

Baking in respect of two pack yes cos heats needed for the reaction between the resins. With halfords paint heat the metal parts with a hairdryer and lightly fan as you are spraying this ensures atomisation.
I wouldn't advise baking anything in an over other than food.
A microwave does make a good spraying booth with a turntable though I have an old one with the drive disconnected and rotate by hand.

Big Jim

Post by Big Jim » Thu Dec 19, 2013 9:24 am

Bake at a low temp by all means for two pack and enamel. Watch out with a fan oven as it will blow any small bits of muck on to your new paint.

I have warmed brass kits up on a radiator before spraying and that can work quite well.

I like the idea of the microwave spray booth. does this mean you can do a 3hr job in 10 mins? :lol:

MDLR

Post by MDLR » Thu Dec 19, 2013 9:49 am

I put spray painted items in front of the fan heater - the paint goes off VERY quickly! Make sure the fan heater's been started and run before you do this, to avoid dust from the heater being blown onto the wet paint.

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