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Old 12-03-2014, 12:02 PM
duck26 duck26 is offline
Join Date: Oct 2008
Posts: 2
Makers Mark

I'm using a Etch o matic to try and etch some 0-1 tool steel after heat treat. I've experimented quite a bit and almost always end up with a slight rusty cloud around the mark.
Best results are 3 applications of 10 secs, then rub on a baking soda mixture followed by wd-40. Within a day or 2 rust appears in and around the mark. Any ideas on what I an missing?
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Old 12-03-2014, 12:45 PM
Ray Rogers's Avatar
Ray Rogers Ray Rogers is offline
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Join Date: Jun 2002
Location: Wauconda, WA
Posts: 9,840
I use the same etcher on O1 all the time but my method is slightly different. You have 3 applications of 10 seconds each, I use one application of 20 seconds BUT I hold the etcher down for 3 seconds and raise it for 2 seconds four times. I still get a brown cloud which I easily remove with a light application of Semi-Chrome metal polish applied over the entire blade. The brown doesn't come back, the blade doesn't rust and no WD-40 is involved.

Aside from that, I use the 'general use' etchant that comes with the Etch-O-Matic for my carbon blades. For stainless I use their stainless etchant and increase the time to 25 seconds ...


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Old 12-04-2014, 11:35 PM
Bob Hatfield Bob Hatfield is offline
Steel Addict
Join Date: Apr 2004
Location: Northern CA.
Posts: 114
I threw the instructions away that came with the Etch-O-Matic and do the following. I grind the blade to a 400 or 600 grit on my Bader 2"X72" grinder. then etch the blade as following. On the etch cycle I touch the pad to the stencil 20 times for 1 second each time. This gives a deep 3-4 thousand etch into the steel. I switch then to the "mark" cycle and repeat the 1 second intervals for about 12-15 times.
I then go back to the grinder and do a very light polish using the 400 or 600 grit that I had polished the blade too before the etching process. It cleans up the "brown cloud" and leaves a sharp crisp logo on the blade.

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back, blade, blades, carbon, etch, etching, grind, grinder, heat, heat treat, knife, metal, polish, sharp, stainless, steel, stencil

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