The Shop > Finishing

Electric etching

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Joules:
Cheers Rob, I will take you up on the mesh...  Why didn't I think of that rather than a slab of 2mm stainless plate that I am etching all over.

Joules:
A big thanks to Rob for the stainless mesh he sent me.  Further to my work in progress I cut a strip of mesh folded it and unravelled the weave to twist a stalk together.



This just gets pushed into the gap where I had intended to use a bit of plate.



Fits nice Rob, should offer me plenty of contact area to spread the charge through the cotton swab.



I had intended a fancy brass crimped ferrel that would take a miniature banana plug.  However a pair of needle nose pliers will allow me to put a croc clip on the bundle of wires.   Time to test it all out.

John Stevenson:
Laser can't do vinyl but can do other materials so wonder how that would work cutting stencils ?

awemawson:
Yonks ago there was a kit that you could buy for marking tools that worked much as this process is doing. The 'stencil' was prepared on a conventional typewriter and looked a bit like waxy paper - certainly as I remember it the typewriter used to get clogged up with the bits that came off.

I've always assumed that where hit by the key the stencil became able to pass the electrolyte

John Stevenson:
They still do them Andrew Etch-A-Matic or some such, some American company.

I was thinking more on logo's than plain type.

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