On 20/09/2014, Roland Jollivet <roland.jolli...@gmail.com> wrote: > Don't use a needle.. You can't get any tension without damaging the wire > and making it kinky. Rather look at the method of sewing machines. They > tension the string, and use smooth eyelets. > > You want the wire to exit a large radius'ed flare. The wire should be > restricted before the nozzle/flare. You'll also want a stay of sorts. > > Imagine doing it by hand. You 'lay' the wire through, then loop it around > your finger to keep the tension as you 'lay' it back across. Then you > remove your finger, and pull it taut. Now you put your finger on the other > side to keep it taut again. > > Doesn't sound too hard to automate...
On a real machine the wire is pulled through an adjustable friction device to provide the winding tension, sometimes there will be a spring device to even out the feed rate from the reel to avoid wire snapping or it will be pulled off the end of the reel. Dave Caroline ------------------------------------------------------------------------------ Slashdot TV. Video for Nerds. Stuff that Matters. http://pubads.g.doubleclick.net/gampad/clk?id=160591471&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users