The Craftmans Shop > New from Old
Eurospark H425 Die Sinker EDM reborn
Noitoen:
Maybe you could try a stainless steel bellows to solve the problem.
https://huntvac.com/products-catalog/section-9/vacuum-bellows/
awemawson:
A nice bit of lateral thinking :thumbup:
Also I suppose I could silver solder the ends to create the correct flanges - food for thought if / when the need arises again. I had thought of turning up a former and painting / brushing / dipping it in one of the proprietary liquid rubbers but buying a bit of suitable stainless bellows and fabricating the ends sounds do-able.
Noitoen:
Some thin stainless disks and tig welding could do the trick.
RotarySMP:
Interesting thread on a less common type of machine. Do you use it often?
Mark
awemawson:
Not very, but this morning I cut a 15 mm o/d 13.5 mm i/d circular slot 15 mm deep in some tool steel.
Why you may well ask :scratch: Only because I wanted to do a full current (25 amp) test on the machines electronics and the first electrode that came to hand was a short length of copper plumbing pipe. Oh and the machine passed the test :thumbup:
I've used it to sink all sorts of irregular holes in things, to remove broken taps and bolts, cut holes in HSS tool steels, and modify the holes in index-able carbide threading tips - a very handy tool albeit not often used - it digs you out of difficult situations :ddb:
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