Solder a bridging wire under the pcb directly to the output Fet or whatever. And/or maybe solder wires from the posts to an off-board connector so there are no connectors on the board itself.
On Tue, 8 Dec 2020 at 06:39, John Dammeyer <jo...@autoartisans.com> wrote: > The attached photo is of the last time but this time it's not much > different. I've resoldered the posts, cleaned everything up including > polishing the posts and installed a new connector. With only a few minutes > running the connector is already quite hot. > > So I'm guessing the problem is in one of the middle layers of the PC board > and either the fibreglass is already so carboned up that it's conducting or > the trace for the one winding is pretty well toast and has a high > resistance therefore acting like a toaster. 8-( > > So it's a 1200 oz-in stepper motor with a 60V power supply moving the knee > up and down using a 3:1 reduction to the 0.25" pitch screw. > > Any suggestions for an alternative drive? Really don't want to get > another Gecko at $201.65 Cdn. > > Since I still have two extra HP_UHU drives and 2 STMBLs going to a DC > Servo motor wouldn't be any more expensive other than the work of mounting > it and maybe increasing the reduction ratio. So maybe I should just look > for an AC or DC Servo motor. > > John > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
