Couldn't resist.  Some 400 grit, 600 and polishing compound.
http://www.autoartisans.com/Lathe/PolishedTurning.jpg
Probably the nicest finish I've ever done.  Usually never go that far.  Maybe I 
should.
John

> -----Original Message-----
> From: John Dammeyer [mailto:jo...@autoartisans.com]
> Sent: November-30-22 6:10 PM
> To: 'Enhanced Machine Controller (EMC)'
> Subject: Re: [Emc-users] Clausing NC Progress
> 
> Hey John,
> Since I was testing an ELS software tutorial I thought I'd grab a scrap of 
> something that is very rusty.  I faced it
> off at 586RPM.
> Then turned it at 586RPM.   It's about 0.84" diameter and SFM reported by the 
> ELS was 132,
> First pass 0.008" per rev and 0.010" depth of cut.
> Second pass 0.003" per rev and 0.003" depth of cut.
> You can just spot the carbide insert underneath the rust dust.
> It's very smooth.  Wouldn't take much to polish it.
> http://www.autoartisans.com/Lathe/SmoothTurning.jpg
> 
> John
> 
> 
> > -----Original Message-----
> > From: John Figie [mailto:zephyr9...@gmail.com]
> > Sent: November-30-22 5:35 PM
> > To: Enhanced Machine Controller (EMC)
> > Subject: Re: [Emc-users] Clausing NC Progress
> >
> > John
> >
> > You are correct. When I did the CAM I wasn't consistent with feeds and
> > speeds for each operation.
> >
> > John Figie
> >
> > On Wed, Nov 30, 2022, 6:50 PM John Dammeyer <jo...@autoartisans.com> wrote:
> >
> > > > From: John Figie [mailto:zephyr9...@gmail.com]
> > > > Sent: November-30-22 4:20 PM
> > > > To: Enhanced Machine Controller (EMC)
> > > > Subject: Re: [Emc-users] Clausing NC Progress
> > > >
> > > > https://photos.app.goo.gl/P5aTc83kNVYDExyV8
> > > >
> > > > John Figie
> > > >
> > > > > > Subject: [Emc-users] Clausing NC Progress
> > > > > >
> > > > > > I took Andy Pugh's suggestion and made my own .comp for the tool
> > > turret.
> > > > > > Next I have the Huangyang VFD using the hy_gt_vfd hal component.
> > > > > Yesterday
> > > > > > I installed the spindle encoder and added the hal spindle component
> > > for
> > > > > the
> > > > > > 3 speed geared head. I have some suggestions for some small changes
> > > to
> > > > > the
> > > > > > documentation that might make understanding how to use this comp 
> > > > > > much
> > > > > > better. I know Andy just took my last corrections to the docs and
> > > updated
> > > > > > them. Is that the best process? I think I should do something soon
> > > before
> > > > > > it is forgotten.
> > > > > >
> > > > > > Here is a video of the second time using the machine now with a
> > > working
> > > > > > turret and spindle encoder. I will have to try threading soon.
> > > > > >
> > > > > > Clausing NC 1550
> > > > > > <
> > > > >
> > >
> https://photos.google.com/album/AF1QipNboAXexCb1uiiVkiEeRmsYLOU6aZIV9Z2QUZXT/photo/AF1QipPH
> > > > > > 20Yw9N_pP6DQiM7r15A83rDe0wpiAqJnbJoL>
> > > > > >
> > > > > > Yet to do:
> > > > > > 1) Add a braking resistor to the VFD so I can stop faster.
> > > > > > 2) Get a proper E-Stop mounted on the machine and some other
> > > important
> > > > > > buttons like program pause and run. Maybe on the panel below the
> > > speed
> > > > > > selector I will add things like the VFD faceplate, E-stop. Start and
> > > Stop
> > > > > > buttons, MPG etc.
> > > > > > 3) Figure out how to index the head so I can cut some splines.
> > > > > > Maybe I will mount a disk with holes like an index plate on the back
> > > of
> > > > > the
> > > > > > chuck. But what about using the spindle orient g codes and then some
> > > kind
> > > > > > of holding brake?
> > > > > >
> > > > > > John Figie
> > >
> > >
> > > Nice!
> > >
> > > A couple of questions.  As you are facing the spindle speeds up and down.
> > > So I take it you are tracking diameter to maintain the same SFM.  But then
> > > when you start turning the spindle is slowed down.
> > >
> > > So the question I guess is if you start facing at say 1" diameter with
> > > 1000 RPM would you not also turn at 1000 RPM?
> > > Or am I missing something?
> > > John
> > >
> > >
> > >
> > >
> > > _______________________________________________
> > > Emc-users mailing list
> > > Emc-users@lists.sourceforge.net
> > > https://lists.sourceforge.net/lists/listinfo/emc-users
> > >
> >
> > _______________________________________________
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users
> 
> 
> 
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