2013/9/22 Gregg Eshelman <g_ala...@yahoo.com> > With my new BOB (HY-JK02-M) I've managed to get a motor to run and run > smoothly, but only in one direction. (Once I set the parallel port pins to > match the docs settings for Mach3.) I tried swapping the wires on one > phase, ran quite rough and still only one direction so I swapped them back. > I've checked the connection tightness multiple times on everything, all > screwed down tight. >
Some drives have step/dir and cw/ccw modes, check that. > That's not the weird thing. What is effed up is that when the motor is > running if I pick it up or move it, it stops running. Doesn't matter if > it's laying down or standing on its back end, if it's picked straight up or > allowed to rotate around its shaft axis it locks up and squeals. Tried two > of the three, both do the same thing. > That's weird. Which stepper drives do you use? > That is going to be a bit useless on a mill table where the X-axis motor > is going to be moving back and forth. > ------------------------------------------------------------------------------ LIMITED TIME SALE - Full Year of Microsoft Training For Just $49.99! 1,500+ hours of tutorials including VisualStudio 2012, Windows 8, SharePoint 2013, SQL 2012, MVC 4, more. BEST VALUE: New Multi-Library Power Pack includes Mobile, Cloud, Java, and UX Design. Lowest price ever! Ends 9/22/13. http://pubads.g.doubleclick.net/gampad/clk?id=64545871&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users