Re: [CAD_CAM_EDM_DRO] Re: Hot servo motor

Richard,

Are you sure the PID settings on the Y drive are the same as the other
two - or at least X? For my Rutex drives, when they were on my knee
mill, I found X & Y settings were very close, and Z was quite different
- due to the inertial load of the knee/saddle/table, Z couldn't
accelerate as quick as X or Y. If you have the PID settings too high,
that can lead to a motor getting too hot. I recall hearing some motor
growling noises too.

Cheers, Peter

k8zre wrote:

>Hmmmmm....make that a pitcher of rootbeer, please. The hot servo
>axis is Y. All of the drivers and all of the servos are identical.
>I will swap and see what happens. Thanx for the suggestions.
>(Using MACH2(exciting) with Campbell breakout board (nice).)
>Best Regards...Richard in Michigan.
>
>
>
>>I think I would bet a pitcher of beer that X and Y are cool, but Z
>>
>>
>is hot.
>
>
>>If so, there are two solutions for this:
>>
>>1) counterweight
>>2) use it on the space station, or any other place where gravity
>>
>>
>might not
>
>
>>apply.
>>
>>
>>
>>>-----Original Message-----
>>>From: k8zre [mailto:rfs@c...]
>>>Sent: Friday, April 23, 2004 6:38 PM
>>>To: CAD_CAM_EDM_DRO@yahoogroups.com
>>>Subject: [CAD_CAM_EDM_DRO] Hot servo motor
>>>
>>>
>>>Mill with three identical servos powered by Rutex drivers. All
>>>motors tuned and function properly. All run at approx. 6 amps
>>>
>>>
>and
>
>
>>>100 volts. Two motors run cool, one runs hot, even in idle mode.
>>>Do not feel, see, or hear anything to suggest oscillation or
>>>otherwise. Comments/suggestions would be appreciated!
>>>
>>>Thanx...Richard in Michigan.
>>>
>>>
>>>
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>OFF Topic POSTS: General Machining
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>http://www.metalworking.com/news_servers.html
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>http://groups.yahoo.com/group/jobshophomeshop I consider this to be a sister site to the CCED group, as many of the same members are there, for OT subjects, that are not allowed on the CCED list.
>
>NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM. DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
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