Re: [Emc-users] Cam grinding....

[Martin D. <tu...@ho...>]

Yes, when I looked a little further it appears when you purchase the cam grinding system you get a code which gives you access to the software that generates the G code.

http://www.sherline.com/8650pg.htm 

 You could use a separate software package to generate the G code, but I will bet you could generate what's needed directly through G code subroutines.

Failing that, if this guy is willing to make the effort to get hold of Joe Martin directly, I'm sure they could beat out a deal for his getting access to the software.

Martin




> 
> The guy who contacted me tried to contact Sherline and I was told he was 
> unsuccessful in getting access to the software.   Perhaps it is only 
> sold with the Cam grinding package which might make sense.
> 
> Dave
> 
> On 6/14/2011 3:01 PM, Martin Dobbins wrote:
> > Sherline sells a miniature version of what you are talking about, and since they sell their CNC machines with EMC installed it's probably done with that.  There's a picture here:
> >
> > http://www.sherline.com/images/CamGrindCallouts.jpg
> >
> > and a couple of you tube videos here:
> >
> > http://www.youtube.com/watch?v=OIWyGtXEgR4
> >
> > and here:
> >
> > http://www.youtube.com/watch?v=PlZDg0rpIi8
> >
> > I understand Joe Martin (owner of Sherline) hand wrote the G code for this, he might let you have it if you drop him a note.
> >
> > Hope that helps?
> >
> > Martin
> >
> >
> >    
> >> Guys,
> >>
> >> I know a guy who is interested in using EMC2 to control a cam grinding
> >> operation  - as in automotive type camshafts cam lobe grinding.
> >>
> >> Usually a large diameter grinding wheel is moved in and out to grind the
> >> cam profile.   Compensation for the wheel diameter is required.
> >>
> >> Has anyone ever done this before with EMC2 or otherwise?    Attached is
> >> a diagram which is exaggerated in that the grinding wheel is usually
> >> much larger.
> >>
> >> A cam grinding machine looks like a lathe but the grinding wheel which
> >> is usually .75 inches wide and usually quite large - perhaps 12 inches
> >> or more in diameter and it moves in and out as the camshaft revolves to
> >> grind the profile.
> >>
> >> Here is a diagram that shows the wheel to cam situation:
> >> http://imagebin.org/158266
> >>
> >> Dave
> >>
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