Saving a saw etch

Chris C

Chris
Senior User
I was hoping I could save the etch on this saw given it's age.

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I didn't do anything to the plate before I put it in a citric acid bath.

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I didn't leave it in long...3 hours or so. I used a nylon bristle brush
to rub the plate periodically. I used the ROS to clean most of the plate.

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The dark spot around the etch is where I used cold blue to bring it out.

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I used 2000 grit paper and gently removed the carbon from the plate.
 

Chris C

Chris
Senior User
I got it readable... but just. It's a #7 just like the older one. You'll have to take my word for it.....
 

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