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Author Topic: Etching with a home made machine.  (Read 295 times)

Offline J Mack

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Etching with a home made machine.
« on: September 09, 2011, 01:07:42 PM »
I’m making an etching machine to etch some barrels and put some serial numbers on some parts I made and I’m posting this info if anyone needs to mark a firearm.


Detailed instructions on assembling the etcher:
http://www.knives.mlogiudice.com/knifeshop/etcher/index.shtml

More detailed instructions on assembling the etcher:
http://chriscrawfordknives.com/#/electro-etching-unit/4535265119

Technical information on etching including chemicals in the etching solutions: 
http://www.buehler.com/technical_information/Buehler%20Book/etching.pdf

Video of a guy using his home made etcher:
http://youtu.be/UTRaAdvnnj8

Instructions for a professional etcher I used to help me set up my home made etcher: 
http://www.markingmethods.com/pdf/ecm_parts_catalog.pdf

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Offline Idaho_Gun_Nut

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Re: Etching with a home made machine.
« Reply #1 on: September 10, 2011, 04:52:23 AM »
That's pretty cool, I'm going to have to look into building one of those.
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Offline J Mack

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Re: Etching with a home made machine.
« Reply #2 on: September 10, 2011, 07:58:52 AM »
I have been testing the process with salt water and 24VDC and it works remarkably well.
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Offline fj40mojo

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Re: Etching with a home made machine.
« Reply #3 on: September 10, 2011, 09:01:49 AM »
Quote from: J Mack on September 10, 2011, 07:58:52 AM
I have been testing the process with salt water and 24VDC and it works remarkably well.

No pics no proof!
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Offline scoob

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Re: Etching with a home made machine.
« Reply #4 on: September 10, 2011, 09:48:02 AM »
Brings back memories...  I built an etcher back in jr. high that was made from a coat hanger, straw, needle, strip of tin, copper wire, wire leads, gator clips, and a 6v lantern battery.  Not something that you would use to mark firearms, but it was simple, a good learning experiment, and you could at least put your name on most metal objects with it.  I should build another one just to get back into the swing of things, document it, and then step up to a real one like above.  

ETA:  It was similar to THIS ONE, but slightly heavier-duty.

Great post J Mack!
« Last Edit: September 10, 2011, 09:55:54 AM by scoob »
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Offline J Mack

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Re: Etching with a home made machine.
« Reply #5 on: September 10, 2011, 09:48:25 AM »
Quote from: fj40mojo on September 10, 2011, 09:01:49 AM
No pics no proof!
I used some vinyl letters leftover from another project for the masking and some old T-shirt material for the pad. Like I said it was just a test with some items I had on hand but I was impressed with the results.  

[attachment=1]
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