CAD CAM EDM DRO - Yahoo Group Archive

RE: [CAD_CAM_EDM_DRO] Re: Lathe conversion to CNC

Posted by Larry Bush
on 2006-08-13 06:39:05 UTC
Excellent photos, Thanks Peter.

Larry

_____

From: CAD_CAM_EDM_DRO@yahoogroups.com
[mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of peter hart
Sent: Sunday, August 13, 2006 6:07 AM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: [CAD_CAM_EDM_DRO] Re: Lathe conversion to CNC



hi larry
here they are
http://www.cnczone
<http://www.cnczone.com/gallery/showphoto.php/photo/3290/cat/500>
com/gallery/showphoto.php/photo/3290/cat/500
http://www.cnczone
<http://www.cnczone.com/gallery/showphoto.php/photo/3291/cat/500>
com/gallery/showphoto.php/photo/3291/cat/500
http://www.cnczone
<http://www.cnczone.com/gallery/showphoto.php/photo/3292/cat/500>
com/gallery/showphoto.php/photo/3292/cat/500
there not the best shots but they will give you an idea as to how i
did my conversion

cheers
peter
--- In CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com, "Larry Bush" <lbush@...>
wrote:
>
> Thanks for the feedback Peter.
> Looking forward to viewing your pictures.
>
> Larry
>
> _____
>
> From: CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com] On Behalf Of peter hart
> Sent: Friday, August 11, 2006 10:03 AM
> To: CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com
> Subject: [CAD_CAM_EDM_DRO] Re: Lathe conversion to CNC
>
>
>
> hi Larry
>
> my conversion is using steppers as i have a mill drill i converted
to
> cnc about 4 years ago that runs on emc2 so i use the same pc and
> controller and just plug in the lathe or the mill emc lets you
choose
> different configuration at startup
> if you are after a simple solution i would go for steppers just for
> the ease of setup the only problem with steppers i have found on the
> lathe is you may have to drop your spindle speed back to thread as
the
> steppers may not be able to keep up. mine will thread at about 800
rpm
> on a 10 tpi thread any faster and it loses steps
> on my lathe i removed all the handels and feed system of the front
of
> the lathe and machined up a few new parts to take the ball screws
> (these are not as necessary as they are on a mill but i would highly
> recomend putting them on)
> i will take a coupe of pics and post them for you to look at they
may
> help with your conversion
> if you use emc2 you will need a encoder on the spindle about 1000ppr
> is a good size
> turbocnc only requires a index pulse for threading which is a bit
> easier to set up but i prefer emc2 as you can turn the spindle at
> different speeds and emc will make the steppers match your speed its
> pretty cool actually turning the spindle and watch the zaxis turning
> like it was driven by back gears
>
> cheers
> peter
>
> --- In CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
> DRO@yahoogroups. <mailto:DRO%40yahoogroups.com> com, "Larry Bush" <lbush@>

> wrote:
> >
> > Hi Peter,
> > Thanks for the feedback. I also am having a bit of trouble finding
> any
> > information on converting a mini-lathe to cnc.
> > I have a Jet 10x24 lathe I use every day but do not want to
convert
> it. Any
> > information and/or details you could proved me will be greatly
> appreciated.
> >
> > Larry
> >
>
>
>
>
>
>
> [Non-text portions of this message have been removed]
>






[Non-text portions of this message have been removed]

Discussion Thread

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