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4hv.org :: Forums :: Electromagnetic Radiation
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Grenadier's big thread of Röntgen related shenanigans

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Adam Munich
Tue May 31 2011, 04:32AM
Adam Munich Registered Member #2893 Joined: Tue Jun 01 2010, 09:25PM
Location: Cali-forn. i. a.
Posts: 2242
I'll look for the hammered paint then because the wood grain still shows through.

Maybe I can use the hammered as a primer and then do the bi color thing over it, then lacquer.

My concern with the hammer paint is well, it's textured and putting labels on the machine is kind of hard when things are all bumpy.
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Adam Munich
Wed Jun 01 2011, 04:34AM
Adam Munich Registered Member #2893 Joined: Tue Jun 01 2010, 09:25PM
Location: Cali-forn. i. a.
Posts: 2242
I done and found the hammered paint.

Accidentally put too many coats on the control panel face of the box so it's less bumpy than the rest of the box, but not that noticeable. To hell with bi-color, this looks awesome as it is. Link2

So far no cat hairs on the paint, and no loss of consciousness from all the xylene fumes in the basement. Thanks for the tip x-ray.
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Xray
Wed Jun 01 2011, 02:40PM
Xray Registered Member #3429 Joined: Sun Nov 21 2010, 02:04AM
Location: Minnesota, USA
Posts: 288
Your panel looks great! I used hammered paint on a panel that I made for my vacuum gauge about 10 years ago, and it's holding up very well. It's even resistant to oil being splashed on it!
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magnet18
Wed Jun 01 2011, 08:03PM
magnet18 Registered Member #3766 Joined: Sun Mar 20 2011, 05:39AM
Location: 1307912312 3766 FT117575 Indiana State
Posts: 624
That thing looks industrially awesome!

For the cable connecting the two boxes, I would wrap the wires in electrical tape and put them in that plastic conduit stuff they sell. Partially because it looks cool and should fit in well with that box, and partially to protect any body parts next to the wires on the off chance that they go HV.

Just my two cents.
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Proud Mary
Wed Jun 01 2011, 08:43PM
Proud Mary Registered Member #543 Joined: Tue Feb 20 2007, 04:26PM
Location: UK
Posts: 4992
My, that has turned out well, Adam.

I use Hammerite - the UK equivalent - on everything I make. and it does very well in concealing small scratches and blemishes.

In wintertime, I set the touch-dry panels or chassis on top of the radiators for a couple of days, to really bake the coat on.

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magnet18
Wed Jun 01 2011, 10:05PM
magnet18 Registered Member #3766 Joined: Sun Mar 20 2011, 05:39AM
Location: 1307912312 3766 FT117575 Indiana State
Posts: 624
Grenadier wrote ...

I done and found the hammered paint.

Accidentally put too many coats on the control panel face of the box so it's less bumpy than the rest of the box, but not that noticeable. To hell with bi-color, this looks awesome as it is. Link2

What's the etch a sketch for?
Bored while the paint dries?
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Adam Munich
Wed Jun 01 2011, 10:13PM
Adam Munich Registered Member #2893 Joined: Tue Jun 01 2010, 09:25PM
Location: Cali-forn. i. a.
Posts: 2242
Yeah pretty much.

The paint doesn't go a very long way, I need to get another can to put another coat on the other half of the box. The paint is dry on both pieces, however it is still soft and probably will take a few days to harden.

Turns out that the 'paint' is lacquer with some dye and powdered mica mixed in. Therefore I won't need the finishing coat of lacquer, so good news there.

I now need to pick a box for the head part of the machine, hopefully it will be smaller than this one but I might have to get the same size box if I can't fit the flyback inside the smaller one.

Been writing the code to control the machine, so far it looks like it will work. Has a safety countdown and stuff. Still have to find some octal bases, and as for making the cable ideally I'd like to find cloth covered tubing, but that might be a long shot.
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Adam Munich
Thu Jun 02 2011, 02:38AM
Adam Munich Registered Member #2893 Joined: Tue Jun 01 2010, 09:25PM
Location: Cali-forn. i. a.
Posts: 2242
Of course the can never told me to not put another coat on after the paint dried... everything flaked off the box (not the lid, which I did not paint again)

So... after a bunch of acetone I stripped the paint off the box and put some new stuff on. Oh well, sht happens.
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magnet18
Thu Jun 02 2011, 03:17AM
magnet18 Registered Member #3766 Joined: Sun Mar 20 2011, 05:39AM
Location: 1307912312 3766 FT117575 Indiana State
Posts: 624
Flyback? I thought it was powered by an xray transformer?
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Adam Munich
Thu Jun 02 2011, 03:20AM
Adam Munich Registered Member #2893 Joined: Tue Jun 01 2010, 09:25PM
Location: Cali-forn. i. a.
Posts: 2242
Nope, it's a battery powered machine.

LiPo Batts > Royer Oscillator > Flyback Transformer > Cockroft walton > Coolidge tube

That reminds me, I need to go buy some LiPos.
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