Re: [CAD_CAM_EDM_DRO] Re: CNC Controller Software

Yes I am out of those stepper motors but can get some 258 oz in 8 wire
stepper motors, dual shaft , nema23 for $80 each plus s/h. They draw 2.1A
bipolar series, 3A unipolar and 4.2A parallel.
Dan
Camtronics Inc

----- Original Message -----
From: "Jones, Joseph A1" <joseph.a1.jones@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, August 23, 2004 1:23 PM
Subject: RE: [CAD_CAM_EDM_DRO] Re: CNC Controller Software


>
> My motors are NEMA23. Their dual axis, but have encoders on each end.
> I hate to yank the encoders off, since they are installed such that
> removing them would likely destroy them, but hate not having hand
> wheels. I've been thinking of some ways I could install the handweels
> while leaving the encoders intact. I got the steppers from
> http://www.seanet.com/~dmauch/ but unfortunaly I think he's sold out
> right now. I've taken a few passes at 6061 at .05" depth of cut at
> 5imp. I haven't even tried to 'push' my machine. At this rate, you
> could cut a 1" square pocket with a 3/8" endmill in about ~15 minutes?
> And this is probably being conservative.
>
> -Archie
>
>
>
> -----Original Message-----
> From: Tom Hubin [mailto:thubin@...]
> Sent: Monday, August 23, 2004 3:09 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] Re: CNC Controller Software
>
>
> > My mill is a Sherline with three 280oz/in
> > steppers setup for 30ipm.
> >
> > -Archie
>
> Hello Archie,
>
> I am using the Sherline supplied dual axis 130 oz in steppers on all
> three of my Sherline 5410 (metric 5400) mill axes with rapids at 20ipm.
> I plan to move two of those motors to my Sherline lathe, whenever I get
> around to CNCing the lathe. At that time I want to put more potent
> steppers on my mill.
>
> I don't need to rapid faster than 20 ipm. I just want to be able to
> remove more than 4 cubic inches per hour of 6061 aluminum by taking
> bigger cuts or increassing cutting speed to something closer to 20ipm.
>
> Are your 280oz-in steppers NEMA23? Are they dual axis? Where are they
> available?
>
> Any idea how long would it take you to mill out a 1 x 1 x 1 inch pocket
> of 6061 aluminum with a 3/8 inch diameter endmill?
>
> Tom Hubin
> thubin@...
>
>
>
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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
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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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