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what paint to use for engraved filling?
We’re engraving logos on acrylics and they would look great if we were to fill the engraving with paint. Does anybody have any pointers on what type of paint to use? application methods? Thanks!
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6 Replies
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i hate doing this and i don’t regard myself as great at it so ill let someone else reply to this :lol1: i normally only have issues with brass, i spend so much time getting the back filling spot on i seem to mark the brass. (and I’m polishing with the grain so to speak)
unless using engraving laminate/sandwich board i tend to try body swerve engraving the likes of brass. i think there are easier ways of making money.oh meant to say… the above is when engraving say, two colour logos milled out areas etc single line fonts and the like on brass are pretty easy.
i asked in the past about backfilling… i think some said there was a pen type tool that holds the liquid, so is more precise. amongst other things, Ive used a syringe in the past…
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quote Carlos Cavanagh:We’re engraving logos on acrylics and they would look great if we were to fill the engraving with paint. Does anybody have any pointers on what type of paint to use? application methods? Thanks!I have done a couple of acrylic signs in the past using reverse cut material. Small single lines are easily filled with a blob of model paint and a squeegee, where as the larger areas are carefully filled with a brush. By painting the back you retain a shiny front and no one sees the ‘over painted’ areas.
As to filling brass, I use smooth hammerite and squeegee the paint into text, and brush into larger areas. Once dry I then take a sanding block with a lint free cloth dipped in hammerite thinners to clean off the excess.
Hope this helps.
P.S. the small marks all over the sign in the pic are rain drops!
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Thanks for the advice! I like the way reverse engraving works but I’m using tinted acrylics so I have no choice but to use the front.
I’ll try a few samples to see how it turns out.
Thanks again! -
quote Robert Lambie:i hate doing this and i don’t regard myself as great at it so ill let someone else reply to this :lol1: i normally only have issues with brass, i spend so much time getting the back filling spot on i seem to mark the brass. (and I’m polishing with the grain so to speak)
unless using engraving laminate/sandwich board i tend to try body swerve engraving the likes of brass. i think there are easier ways of making money.The one thing that troubled me in the early days was the nose cone scratching the brass, as with most rotary cut materials you have to remove the protective surface film first. I now spray the brass with lacquer and remove it with the excess paint once filled….perfect scratch free finish every time.
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quote Graeme Harrold:The one thing that troubled me in the early days was the nose cone scratching the brass, as with most rotary cut materials you have to remove the protective surface film first. I now spray the brass with lacquer and remove it with the excess paint once filled….perfect scratch free finish every time.What I used to do was re-coat it in a piece of calendared vinyl. Just applied dry – nothing fancy, and engrave away – never marks the surface ever. Takes a bit longer to peel off (run it under hot tap) – but keeps the brass/steel/anodised finish in mint condition.
Dave
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We do a lot of engraving in acrylic and fill it with paint, we paint the complete engraved surface with the paint, use a "squeeze" with a nice edge over the paint and this will remove almost all the paint leaving it on the engraved surface only, after then minutes use a scrap piece of acrylic and "wrap" a cloth on it, so the cloth is flat put some alcohol on the flat surface of the cloth and wipe the plaque gentle, change the part of the cloth that is full of paint frequently, this will clean the remains of paint in the plaque.
Some samples, if you need a step by step ask.
The small logo in the last photo, was done with this technique, I painted the engraved lines with black this give you a contour and then with a "steady" hand and a small brush I painted inside the different colors is about 6 cm in talll.
Yeray.
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