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Author Topic: Jerky motor rotation HELP  (Read 4044 times)

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Jerky motor rotation HELP
« on: February 13, 2009, 11:07:39 PM »
I am useing the FET-3 System from Stepper World, The software that comes with it (VB STEPPER) runs the motors nice and smooth all the way up to the programs top speed, as well as slow (Smooth at any speed). Now I use MACH 3 and no matter what I do I can only get semi smooth results at one speed, about 3/4 of the top speed in VB Stepper very slow, slow, med, fast   Everything is jumpy   Even seems like its skipping steps, at all speeds.

Thanks for any responce

Offline Hood

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Re: Jerky motor rotation HELP
« Reply #1 on: February 14, 2009, 03:14:06 AM »
Try setting the pulse width in motor tuning to 6 or if that doesnt work on ports and pins main page choose Sherline mode.
Hood
Re: Jerky motor rotation HELP
« Reply #2 on: February 14, 2009, 03:21:56 PM »
It Works!!!!   Thanks   And I know you guys like to see picts of newbie machines so I took some, Where do I post them

Again Thanks thanks thanks
Re: Jerky motor rotation HELP
« Reply #3 on: February 14, 2009, 04:37:53 PM »
Post the pics. in the board mentioned below..
I'm anxious to see them......as well as others for sure.
RC
Re: Jerky motor rotation HELP
« Reply #4 on: April 04, 2010, 10:37:19 PM »
Hi can anyone tell me what sofrware I should use to run a router that has 3
motors
,23D-6204H 4.3 VDC 1.8 A/O
I have a FET3 board I think I have the wires hooked up right ! I have a
cherokee 150 watt switching DC power supply, hooked up , I have the parell port
hooked up to my computer !! Now hears my problem, What do I do now ! All the
software that came with the router were lost about 6 years ago, I've seen the
router run! but not with this setup! OK what do I do now ! any one THANKS
router size is 18"X 20" Any information on how to go from my computer to the
motors and run or jogg them,I'am lost thanks for any help

Offline Hood

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  • Carnoustie, Scotland
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Re: Jerky motor rotation HELP
« Reply #5 on: April 05, 2010, 02:06:42 AM »
Have a read of the manual as it will explain how things are set up but basically you need to find out which pins of the parallel port your drives step and direction signals are connected to and set that up in Mach3 Ports and Pins, Motor OutPuts. You will then need to calculate the steps per unit and then set a Velocity and Accel. There are also videos available for download which should help.
Hood
Re: Jerky motor rotation HELP
« Reply #6 on: April 05, 2010, 11:11:54 AM »
Hi can anyone tell me what sofrware I should use to run a router that has 3 
motors ,23D-6204H 4.3 VDC 1.8 A/O
I have a FET3 board I think I have the wires hooked up right ! I have a
cherokee 150 watt switching DC power supply, hooked up , I have the parell port
hooked up to my computer !! Now hears my problem, What do I do now ! All the
software that came with the router were lost about 6 years ago, I've seen the
router run! but not with this setup! OK what do I do now ! any one THANKS
router size is 18"X 20" Any information on how to go from my computer to the
motors and run or jogg them,I'am lost thanks for any help