Re: Using a Grizzly Super X3 as a lathe

Hi, here's another idea using the 4th axis as a lathe at:
http://www.cad2gcode.com/cncprojects
Cheers
Bob A

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Norman Bain" <norman.bain@...> wrote:
>
> Hi,
>
> I too thought the videos excellent. A couple of constructive suggestions come to mind.
>
> 1) Run the file over the end at the end of the first cut; just to break that edge also while it was in "spinnable" position.
>
> 2) When the work was in second stage; turned over NOT in chuck) trim a bit from the 1.5" body portion; just to remove the wobble and true it all up.
>
> 3) For the drilling of the toolholder hole; using the drills to get the hole opened up a bit is ok; but there is no way the drill chuck held on mill bed will ever be acceptably true to the spindle and bed for my liking. The super long reamer will amplify this runout. Better to do the final cuts to make the hole with a boring bar; do lotsa super super small boring bar passes and back out the boring bar and try to fit the desired end mill till done.
>
> Regards,
> Norman
>
>
> ----- Original Message -----
> From: phil.sydor
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Sent: Friday, December 03, 2010 11:57 PM
> Subject: [CAD_CAM_EDM_DRO] Re: Using a Grizzly Super X3 as a lathe
>
>
>
> Hi,
>
> Great videos!
> I had been wondering about getting the Tormach tool set. Your videos show that it need not be too expensive after all!
> I noticed that the accuracy of the centering is completely dependent on the accuracy of your copper pipe that you use with Mach 3 - if that is off centre, i.e. the shaft and circumference of the tube are not 100% aligned then the tool holder that is made will 'wobble' - how concentric have you found the holder to be?
>
> Many thanks for doing these videos.
>
> Phil.
>
> rdlvltd.weebly.com
> sydor.weebly.com
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "devers6" <devers6@> wrote:
> >
> > I love watching machining videos on YouTube, so I made a couple of my own. This two-part video covers the making of Tormach TTS-style toolholders using my CNCFusion-converted Grizzly SuperX3 Mill/Drill as a lathe (mounting a lathe tool in the milling vise, mounting the work in a 3-jaw chuck in the spindle, and running the work past the tool to do simple lathe operations).
> >
> > I say Tormach TTS-style toolholders because they are not 100% copies of the genuine article. I don't harden them, and I don't bother cutting the relief on the face of the holder that contacts the spindle. I never use that feature - the main purpose of the holders for me is convenience in switching out tools (assisted by my homebrew pneumatic drawbar) - but I'm sure if needed, others could figure out how to run a few facing cuts to replicate the true TTS holders.
> >
> > Anyway, I think they are fun to watch, and I thought I would post the link here for your enjoyment:
> >
> > http://www.youtube.com/watch?v=_2w8cYXt5_o
> > http://www.youtube.com/watch?v=B-cAnQqpXs0
> >
> > Dave
> >
>
>
>
>
>
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>