Thread: Matt silver finish, how to?
4th Feb 2011, 05:08 PM #1
Matt silver finish, how to?
The graduated dials on my Arboga mill are a sort of frosted silver finish.
One dial is perfect with distinct markings and numbers, the other is lightly rusted.
How on earth am I going to return it to it's former matt finish? If I simply remove the rust, I'll finish up with a shiny finish, something I don't want.
Is there a chemical that will dull off the metal, but not dissolve the paint in the graduations? I'm sure new paint will have to applied, then buffed off.
Next time I'm at the factory, I'll get some pics.
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4th Feb 2011, 09:10 PM #2
They could well be satin chrome plate. Reasonably common on Euro machines.
4th Feb 2011, 09:29 PM #3
Satin chrome is something I had not thought about. If it was satin chrome originally, it's strange that it has rusted lightly and uniformly.
Satin chrome would be an ideal finish, I could repaint all the graduations, and then buff the high points off without marring the finish, good one.
4th Feb 2011, 10:25 PM #4
Electroless nickel if you like the idea of doing it yourself....
4th Feb 2011, 10:29 PM #5
Electroless nickel, DIY? Can you expand on this?
Sounds interesting, I'm always up for expanding my skills.
4th Feb 2011, 10:44 PM #6
Is the rust light enough to remove with a Scotch Brite pad? Panel beaters supply shops sell a range of Scotch Brite pads. It's worth having a selection on hand anyway.
All the ball cranks on your AR are made from 1214. You've only got to glance sideways at that stuff for it to rust. A soft grey pad is perfect for removing the rust and maintaining the shine.
4th Feb 2011, 10:58 PM #7
Yes, the rust is light, the graduated collar is an even brown colour. I'm concerned that even using a scotch brite pad, will leave a glossy finish.
4th Feb 2011, 11:15 PM #8
Shake the dust of your camera and give us some photos.
It's a hard one Ken. Send it out for replating and there's a chance that it will come back a different sheen and colour. Not everyone out there is capable of a sensitive restoration. Do it yourself and you have some control over the process. Do a test scour in a place that's not too obvious and see if you can live with the results.
5th Feb 2011, 07:26 AM #9
Throw the mill away and get a new one!
If you like, for a small fee, I can dispose of it for you !!
5th Feb 2011, 11:08 AM #10
The easy way is to buy an electroless nickel kit from somewhere like - http://www.caswellplating.com.au/plating_kits.html or http://www.janekits.com.au/contents.php
Or, if you really like the start from scratch, make your own nickel acetate from nickel oxide (from a pottery supplies place) and vinegar - YouTube - How to make Nickel Acetate solution for use in electroplating and YouTube - Nickel Plating Made Easy (Part 1)
Of course, you won't be able to stop at plating just one thing.....
But I think mav's idea of throwing your mill away is a good one. I have a trailer and can remove it for you for free....
5th Feb 2011, 05:35 PM #11
You could bead blast it to make it matt again.
5th Feb 2011, 07:54 PM #12
Mav & MS,
You are both right. With a bit of surface rust on it, it's probably time I chucked it out on the nature strip, and bought a nice new shiny Chaiwanese mill complete with casting sand inside the gearbox, blowholes and dodgy electrics.
RC, bead blasting sounds interesting, what sort of blast medium would you recommend?
5th Feb 2011, 08:48 PM #13Dave J Guest
Sand would do it, but you would have to coat it with clear paint after woods, other wise it would suck oil and dirt into it and also rust. Blasting leaves a sort of porous surface.
5th Feb 2011, 08:59 PM #14
Sorry, no idea what media to use, but I know that bead blasting is how they give stainless steel is given a matte finish..
5th Feb 2011, 10:22 PM #15
Ken, glass bead blasting. As it turns out I am buying a bead blasting gun next week for my Deckel dials. Bring yours over for the treatment.
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