gene heskett wrote: > > That was when I learned about EDM to remove the taps. :) Slow, but does > the job without hurting the hole. I have since built a better PSU for > that, works nicely but you can hear it running blocks away, very _VERY_ > noisy, estimated 140db inside the teeny shop I have. > I got to see Ben Fleming's pulser EDM at the CNC Workshop last June (?) in Ann Arbor. it made amazing progress in steel, much faster than RC EDMs. I think it could probably remove a small tap in 15-30 minutes, and made just a little sizzling noise, like cooking bacon. Nowhere near 140 dB! He has a book and a blank board, I am working on making one.
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