On 02/14/2012 07:14 PM, gene heskett wrote: > Mark, this sounds like if it was my problem, I would see if I could > glue up a plastic container the bolt could pass thru the sides of > without heavy leakage as it was supported between a rotary table and > its tail stock, so the container could be filled to 1/4" above the > bolts top surface with shop heater K2, then get out your EDM power > supply, rig some method to insulate an electrode to the spindle, hook > the hot side of the edm supply to the electrode and start the table > turning while the spindle was fed at about .01/minute & turning 100 > rpm or so, and edm it till it could be jarred or cracked loose as a > very thin remaining piece & removed that way. You will use up the > electrode faster than the steel race, and probably need to change the > K2 several times. If you still have an x table drive, feed it back and > forth the length of the bearing races width at about 1 minute feed > rates. I've had good results connecting to the electrode with a piece > of 12 ga stranded, with the strands divided and twisted back together > after passing around the electrode, no sparking there at all in what > I've done. The copper has enough springback to make a decent > connection while the electrode tubing, brass in my case, was spinning > inside the loop at 1 or 2 hundred revs. Cheers, Gene
The EDM, is still on my TODO list... :( -- -Mark Ne M'oubliez ---Family Motto Hope for the best, plan for the worst ---Personal Motto ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
