ferric acid etch before ore after heath treating help ?

[graveyard]

i have a spring steel knife finished i want to etch a design on the hole blade with ferric do i heath treat then etch any information for a mutt

thank,s all

 

[Doug Lester]

If you are wanting to etch a design on your blade I would recommend that you heat treat and grind, sand, and polish the blade to where you want the final surface. Then I'd apply the resist to the entire blade and then cut the design into the resist then etch in the ferric chloride.

Doug

 

[graveyard]

thank.s Doug ill do just that