RE: [CAD_CAM_EDM_DRO] DenverCNC?

Derek,

My suggested motor rating comes from being involved with the taigtools list
for a number of years. A lot of people have done there own Taig conversions
and those that have used the larger motors (~200oz/in) seem to be the
happiest. Also the fact that Taig supply these motors on their CNC mill
gives you a clue.


Peter Homann
mailto:Peter.Homann@...
Adacel Technologies Limited,
250 Bay St, BRIGHTON, 3186, AUSTRALIA
http://www.adacel.com <http://www.adacel.com>
Telephone +61 (3) 8530 7777, Facsimile +61 (3) 9596 2960
Mobile 0421-601 665

> -----Original Message-----
> From: Derek B. [mailto:hightechsystems@...]
> Sent: Tuesday, 28 October 2003 3:00 AM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: RE: [CAD_CAM_EDM_DRO] DenverCNC?
>
>
> Hi Peter,
>
> You are right "And no one cuts that fast :-)". Who sets the
> consensus on the
> motor size I was not involved in this?
> I have found it to be fine for the jobs I am doing. I am running them at
> 5-15in/min on most of my feedrates anyway. The maximum speed that these
> motors will do is about 18-20in/min. That is derated they will go
> faster but
> you are pushing a lot of pulses to them and they loose steps
> every once in a
> while. These are 8 microsteps drives X 200 steps revolution X
> 20tpi thread =
> 32000 pulses per inch. The lead screws are very smooth and do not require
> very much torque to move.
>
> Derek B.
> WWW.DenverCNC.com
> http://groups.yahoo.com/group/Denver_CNC_Club/
>
>
> > -----Original Message-----
> > From: Peter Homann
> >
> >
> > Hi,
> >
> > I don't believe that the 114 oz/in motors are adequate for the
> Taig mill.
> > General consensus is that the Mill requires motors around the 200 Oz/in
> > mark.
> >
> > A 114 oz/in motor will drive the mill but the max speed will be
> > reduced. The
> > standard Taig motors (180 oz/in I think) will give a max speed of
> > around 60
> > in/min. Not that you would want to drive it that fast. Most
> people seem to
> > set the max speed to around 45 in/min.
> >
> > And no one cuts that fast :-)
> >
> >
> > Cheers
> >
> >
> >
> >
> > Peter Homann
> > mailto:Peter.Homann@...
> > Adacel Technologies Limited,
> > 250 Bay St, BRIGHTON, 3186, AUSTRALIA
> > http://www.adacel.com <http://www.adacel.com>
> > Telephone +61 (3) 8530 7777, Facsimile +61 (3) 9596 2960
> > Mobile 0421-601 665
> >
> >
> > > -----Original Message-----
> > > From: Derek B. [mailto:hightechsystems@...]
> > > Sent: Monday, 27 October 2003 5:47 PM
> > > To: CAD_CAM_EDM_DRO@yahoogroups.com
> > > Subject: RE: [CAD_CAM_EDM_DRO] DenverCNC?
> > >
> > >
> > > Hi Mike,
> > > Sorry it took a little while to get back to you as I was out of
> > > town and no
> > > email.
> > > If you have any questions on this let me know.
> > >
> > > 1. You get the DenverCNC.Com controller package. This includes:
> > > 4 axis motor driver box
> > > Parallel port cable
> > > Motor cable set with PacSci stepper motor connectors
> > > 2. You also get 3 PacSci stepper motors 114oz/in
> > > This is what I am using on mine
> > > 3. Taig CNC ready mill 2019cr this is the biggest mill they
> > > currently make.
> > > Taig may take 4-6 weeks to ship from factory.
> > > 4. Taig vise
> > > 5. Taig collets set #1040
> > > 6. Taig spindle wrench #1310
> > > 7. 2 end or ball mills (depends on stock)
> > > 8. Turbocnc for dos shareware and Demo Mach2 runs on XP or
> Win2000 limit
> > > 1000 lines of g-code.
> > >
> > > You have everything get it up and running in 1 night plus
> start cutting.
> > >
> > > The DenverCNC.com controller box comes with a 2year warranty
> > > against defects
> > > from time of purchase.
> > > The Taig also comes with a full 2year warranty.
> > >
> > > Best Regards,
> > > Derek B.
> > >
> > > > -----Original Message-----
> > > > From: Mike McCaughey
> > > >
> > > >
> > > > I'm interested in taking the plunge into a taig cnc mill, and the
> > > > system shown at www.denvercnc.com looks like a reasonable setup for
> > > > me, but the website doesn't have much detail about the machine. I
> > > > know that some of the Denver folks are on the list; can any of you
> > > > who have experience with the DenverCNC system please drop me a line?
> > > >
> > > > Thanks!
> > > > Mike
> > > >
> > > >
> > >
> > >
> > >
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> Addresses:
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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
>
>
>
> Your use of Yahoo! Groups is subject to 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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> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com,
> wanliker@..., timg@...
> Moderator: pentam@... indigo_red@... [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
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>