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Aluminum name plates

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Angie

Grumbler in Training
Thread starter
Joined
Dec 19, 2020
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1
Location
Kentucky
Business
Events Imaging
I stumbled on this forum by chance but there seems to be a lot of knowledgeable people here. I am hoping for some help. I am a photographer but Covid has decimated my business. I have an opportunity to make some money producing aluminum halter plates for horses. I have access to a mechanical engraver and only need to put names on the plates, but I am having trouble getting info on how to blacken the letters. I know there is an oxidation process, but I want to do it right and produce a quality product. Any help would be greatly appreciated. I am trying to learn a new field and I have jumped into the deep end of the pool!
 

Frances M.

CGF II, Certified Grumble Framer Level 2
Joined
Apr 10, 2006
Messages
377
Location
Columbus, GA
Long history with horses but pretty much all of the names plates I've seen on halters, bridles and saddles are brass, so be prepared to supply and engrave that as well. Also, consider plates for dog collars, even if it is just a phone number for the pet owner.
 

David Hewitt

MGF, Master Grumble Framer
Joined
Feb 26, 2009
Messages
547
Location
Tennessee 931-202-2433
These were brass, black paint was used to fill the lettering. Squeegee, the paint, when dry, wipe lightly with thinner. ( This was a simple machine I found that was used for making animal collars, I used it for making plates for on the backs of picture frames )

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Last edited:

wpfay

Comfort Badger
Forum Support Team
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Sep 1, 2000
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12,549
Location
Jacksonville Beach, FL USA
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Sunshine Frames
Welcome to the G.
The blackening on engraved aluminum plates isn't an oxidation process, it is a pigment of some kind that is rubbed into the recesses of the engraving then wiped off the flat surface. When aluminum oxidizes it produces a white powder, Aluminum Oxide.
Metals that tarnish like brass and silver are blackened with an oxidizing agent.
There are a few members here that do engraving, perhaps one will fill in the details a bit.
 
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