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General Mach Discussion / motor tuning menu wierd in machmill need a good XML file

« on: December 09, 2009, 10:56:14 PM »

Still trying to debug my system and make the motors work with something. Ive reinstalled M3 several times including each time cleaning out the registry and folders so it would be a clean install. I have only 1 motor hooked up to geck203v/c11g BOB for testing. All power setting are good. printer port good.
When I run MACHMILL with only port/ pins set, I cannot use the motor tune function. The motor just jerks and slips and sound like their full of dirt. When I go to ALt6 and run set steps, the motor runs smoothly. And Heres the WIERD PART (and now for the rest of the story...).

When I do go to motor tune and test motors normally with arrow keys. Steps per =2000/ vel=200/  accel=5 / step/dir pulse 2 it really bad
BUT!!! IF I MOVE THE ACCEL OR VEL SLIDERS WHILE PRESSING AN ARROW KEY (UP), THE MOTOR RUN SMOOTHLY!

 Anyone have an xml that works with gecko203v and c11g i can try.
maybe Im missing something to setup. Ive tried a ton of different ways.

2

General Mach Discussion / set steps per unit works but not tuning motors. they are Jerky and slip

« on: December 08, 2009, 12:00:59 AM »

Running stable ver of mach3. c11g bob ver8.2/ gecko 203v drivers. 6515 keling pS and keling motors. Parallel port is a pci card just to make sure of one problem. Cable is new. Everything has been checked many times. Ive tried all the settings from the msg board here and nothing is working.
Read msgs about jerky/slipping motors but couldnt find anything like this.
Problem:
Motors are jerky in tuning no matter what setting or speed. 1/2 pulse 1-5 step pulse port pins etc. No enables or e-stop.. everything is off except motor specs.
There was a couple of times that in tuning, the motor actually worked and i had a chance to tweak it (vel/speed). Once i tweaked it and "saved" and I IMMEDIATLY used the arrow keys to manually move the motor again, but it went back to jerky and slipping instead of a smooth rotation.
When I went to ALT6 setting and "set steps per unit" to like 20 as an example. it remembered the setting in tuning and rotated smoothly every time, no matter what number i inputed.
PC is winxp sp2 and a clean install with nothing but internet and mach3.
I dont have any more ideas as im not an electronics expert.