Electrical discharge machining (EDM) services remove metal by burning instead of cutting or grinding. This is accomplished by submerging the workpiece in a dielectric fluid and sending rapid ...

Of all the methods of making big pieces of metal into smaller pieces of metal, perhaps none is more interesting than electrical discharge machining. EDM is also notoriously fussy, what with having ...

It is one of the most precise and gentle machining operations possible. His EDM is built mostly out of found parts. The power supply is a microwave oven transformer rewired with 18 gauge wire to ...