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Thread: Painting tubes ?
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8th July 2012, 10:01 PM #1
Painting tubes ?
Turned a bunch of pens over the weekend for my wedding shop customer. Because they require white / pastel colors for the bride and black /darker colors for the groom, I have been spray painting the 'roughed-up' brass tubes of these pens with a corresponding flat spray enamel. I let dry for 48 hrs before gluing into the blank. Today I turned 9 wedding pens, and out of these, 2 of the pens, upon assembly, the tubes actually began to let go and come loose from the blank. On one of these pens I removed the brass tube, which came out, pretty much minus the paint, it was scratched up shiney brass. The paint remained glued to the inner wall of the tube hole. So, obviously the strength of the tube glue-up within the blank is determined by how well the paint adheres to the brass tube in the first place. Maybe I will try auto spray paint ?. What are you guys using to paint your brass tubes ?.
I never forget anything I remember !!
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8th July 2012 10:01 PM # ADSGoogle Adsense Advertisement
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8th July 2012, 10:25 PM #2
Hey Pariss i use Fiddly Bits or white Knight equivalent to spray my tubes. Not the el cheapo stuff from $$$ stores. Just a thought what type of glue are you use to glue up. maybe a reaction between the glue and the paint.
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8th July 2012, 10:33 PM #3
Paris it might pay to use an etch primer under the colour. These are acidic and as the name sugested etches into the metal to then provide a good adhesion layer for the final coat. Something like this. (Declaration - I work for this company).
cheers
WH
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9th July 2012, 06:50 AM #4
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9th July 2012, 08:48 AM #5
Pariss
If you are using CA to glue the tubes, try Weldbond instead. It will grip anything. Available at your local Bunnings.
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9th July 2012, 08:59 AM #6Senior Member
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Hi Pariss, I usually use an aerosol grey auto primer from SCA and have had no problems.
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9th July 2012, 09:16 AM #7
Thanks fellers for the advise. I'll grab some Etch Primer today. Hi Greg, re-the CA, the paint forms a barrier on the brass tube so no glue even touches the tube. So the entire strength of the tube glue-up rests with how well the paint sticks to the tube. After I did a forensic dissection of the pens, the paint was well & truly glued to the inside of the pen blanks tho ha ha. At least I saved both kits
I never forget anything I remember !!
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9th July 2012, 01:45 PM #8
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9th July 2012, 05:32 PM #9
I've only ever painted the tubes with nail polish and never had a failure but then I only ever glue with Gary Pye 15 minute epoxy.
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9th July 2012, 07:23 PM #10Old Fart (my step daughters named me)
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I only paint the inside of th blanks with hobby paints. Allso the only type of glue I use is 2 pack stuff.
Tried super glue once and had same problem. No problems with the 2 pack stuff tho.
Cookie
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10th July 2012, 07:56 AM #11
Pariss
After much delving around on the internet I have found the solution for you.
www.painters-quotes.com.au/
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13th July 2012, 02:42 AM #12
ILL just gave this link to Arry with his drilling jig problem soo Pen Tubes - Woodturning Tools and Timber, Woodturner Accessories, Woodcarver Supplies, Woodturning Equipment ring Brian and see what other tubes he has .
insanity is a state of mind if you don't mind it does not matter.
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13th July 2012, 06:07 PM #13
Thanks again guys for your great help. I ended up getting a couple of cans of this Aerosol Etch Primer 400g, Septone Products Australia
Should do the trick.I never forget anything I remember !!
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13th July 2012, 06:11 PM #14
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15th July 2012, 09:56 PM #15
I think more importantly reverse painting the blank is the thing to do. You still see the glue lines through some of those acrylics especially when turned real thin. You can do both but now you need a slightly larger hole because of the layers of paint. Just my 2 cents.
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