Re: [CAD_CAM_EDM_DRO] Re: HOBBYCNC

----- Original Message -----
From: "galt1x" <galt1x@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, January 01, 2003 4:07 AM
Subject: Re: [CAD_CAM_EDM_DRO] Re: HOBBYCNC


> Don't you people have any thing else to do, maybe something a little more
> positive?
>
> Paul
>
> ----- Original Message -----
> From: "Tim Goldstein" <timg@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Tuesday, December 31, 2002 7:43 PM
> Subject: RE: [CAD_CAM_EDM_DRO] Re: HOBBYCNC
>
>
> > Vince,
> >
> > If you criteria for performance is how fine they can microstep than yes
> > the PIC design is superior. I am using some drives that will do 50,000+
> > microsteps per revolution, but find that in my application (in this case
> > a Sherline mill) they give the best results when considering all the
> > other factors at 1000 microsteps per revolution.
> >
> > My point is that on most of the applications I have seen 1/4 - 1/8
> > microsteping (800 - 1600 steps per rev) is usually giving a smaller step
> > increment than the machine can resolve anyway and is smooth as can be.
> > At that point all that going to a smaller step increment does is place
> > heavier demands on the controller software. So if my choice was between
> > a microstep rate that yielded a step increment much lower than the
> > machine can deliver or having a bipolar 2.5 amps prebuilt microstepper I
> > would not have a hard choice.
> >
> > As has been pointed out we live in wonderful times where us CNC
> > hobbyists have so many choices so we can all get the features we feel
> > are important.
> >
> > Tim
> > [Denver CO]
> > Sherline Products at Deep Discount
> > Mach1 & DeskCNC with Credit Card ordering
> > Contact me for discounts on DeskCNC & Sherline bundles
> > www.KTMarketing.com/Sherline
> >
> > > -----Original Message-----
> > >
> > >
> > > Can any of those do Microstep 3000+/rev. ???
> > > Who cares about the current draw... Switch the driver
> > > transistors and you could push 10amps. (of course recal would
> > > be necessary)
> > >
> > > > microstepping to 1/8 for the Xylotex.
> > >
> > > I might be mistaken but this still doesnt seem to beat the
> > > performance of the Pic based one. Am I wrong?
> > >
> > > Let me know.
> > > Vince
> > >
> >
> >
> > Addresses:
> > FAQ: http://www.ktmarketing.com/faq.html
> > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
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> >
> > 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
> >
> >
> >
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http://docs.yahoo.com/info/terms/
> >
> >
> >
>
>
>
> 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
>
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> Moderator: jmelson@... timg@... [Moderator]
> 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
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>