Jon hello On 07/21/16 21:32, Jon Elson wrote: > On 07/21/2016 12:16 AM, Gene Heskett wrote: >> On Thursday 21 July 2016 00:00:12 TJoseph Powderly wrote: >> >>> Gene >>> once again your post title ran me off as i took it to be correct >>> your post is titled 'continuous wire' >>> not disk, hahahathe rewind was fast >>> only >> My bad Tomp, I thought about it, but understood quickly that such a >> machine was waaaaay above my pay grade. I was wondering if something >> using just a couple feet of wire, butt welded like a bandsaw blade, >> might be possible. Or would the wire, flooded for coolant, still burn up >> rapidly? >> >> > Robert Langlois (wrote a book on EDM that was published by Village > Press) showed a wire EDM at the old NAMES shows. He used a molybdenum > wire that ran back and forth between large rollers. So, he probably had > something like 20 feet of wire in the machine, and it reversed when it > neared either end. The rate of the wire movement was not very fast, > maybe a few feet per minute. I did not know Langlois had a reciprocating wedm. On these chinese/taiwanese/indian machines only the rewind was fast the forward rate was slow, as moly has little wear in normal wedm the feet/min is high to keep the damage to the wire (wear) spread over a larger length. > Jon thx tomp tjtr33
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