Re: [CAD_CAM_EDM_DRO] Spindle motor on="choppy" X,Y,Z- Spindle off=smooth X,Y & Z???

First suspect is EMI from the VFD.

We need to know more about your system

software, drives, VFD, shielded cables etc. Brands and model # are nice.

Is this a new system or an existing one that just develpoed problems?

Hugh

----- Original Message -----
From: "Mike Mueller" <mueller914@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, September 05, 2005 2:42 PM
Subject: [CAD_CAM_EDM_DRO] Spindle motor on="choppy" X,Y,Z- Spindle
off=smooth X,Y & Z???


> Bridgeport with old Sigma steppers, running with Gecko 210's(or 201s)
>
> using original 220 3-phase spindle with VFD for motor control
>
>
> smooth stepper motor movement with spindle OFF
>
> very choppy or incomplete movements with spindle ON
>
> possible problems?
>
> Thanks,
>
> mike
>
>
>
>
>
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
>
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...,
timg@...
> Moderator: pentam@... indigo_red@... davemucha@...
[Moderators]
> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
>
> 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........
> bill
> List Mom
> List Owner
>
>
> Yahoo! Groups Links
>
>
>
>
>
>