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Author Topic: G100 jog problems-ART  (Read 3420 times)

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Offline chad

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G100 jog problems-ART
« on: September 18, 2006, 12:17:25 PM »
Hi Art, I have been having problems with jogging on my knee mill.

I have ac servos and the machine is tuned down to about 150 ipm. When I am slow jogging say 10% things are fine. If I shift- jog things are fine.
If I slow JOG then immediately do a Shift jog my table will lunge a little and fault the servo drive. Happens on all axis.

What I think is happening in on the fast transition from a slow jog to a Shift jog mach is not using the acceleration. It is like the grex is emptying the buffer from the slow jog then going from zero to 150 ipm. 

If I wait for the machine to come to a complete halt after a slow jog then do a rapid jog everything is fine. I don't think it is a servo tuning thing because I have never had this problem while running gcode and I have had the machine jogging just fine (but scary) around at 300 ipm.

BTW i have been following the g100 just stop problem. I have had it happen several times. At the time I was using a laptop wirelessly to control the mill (Iknow not a good idea) I have sense built a dedicated mach computer and haven't seen the problem but i have not done much cutting. I am going to be doing a bunch of work on it this week and I will let you know.

Chad


Re: G100 jog problems-ART
« Reply #1 on: September 19, 2006, 07:50:16 PM »
This is a problem with the MAVG that is being set :(  If you pause for just a but this will not happen :)

This will be fixed in the next firmware release
Fixing problems one post at a time ;)

www.newfangledsolutions.com
www.machsupport.com

Offline chad

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Re: G100 jog problems-ART
« Reply #2 on: September 19, 2006, 08:09:56 PM »
Aaah the ubiquitous 'next firmware release'. I understand that this is totally out of your,Arts, probably Marris (sp) control but it is becoming a bit tiresome. I also understand that Steve has a real job and this kind of thing takes time but, sheesh. Like you I have ac servos and 100,000 steps per unit, going to lpt port would be a bit poky...

Ah well wadda goin' to do.

Chad

;)
 
Re: G100 jog problems-ART
« Reply #3 on: September 20, 2006, 08:30:55 AM »
Trust me I would like to have the firmware more then about  anyone and I know the problem that you are talking about :(

Fixing problems one post at a time ;)

www.newfangledsolutions.com
www.machsupport.com
Re: G100 jog problems-ART
« Reply #4 on: November 17, 2006, 03:27:43 PM »
Gees Wirelessly controlling the mill..hehe

I have my G100 directly connected to my machine with a cross over cable so I would not have to trouble shoot problems caused by a router or switch between (or other net traffic) 

Course I do notice if I power down the G100 with the G320's still ingaged my servos glitch just a bit.  Kinda surprised me the first time that happened..

b.