Re: http://www.cncmotion.com/

>--- In CAD_CAM_EDM_DRO@yahoogroups.com, glee@i... wrote:
>
> John, there was no link attached. Would you mind sharing the
>Dolphin
> Drawing and Machining files as well? I'd like to have a look.
>

Sorry, Brain fart on my side, Itw as late and I was just going to bed
<g>

http://tinyurl.com/c9bq

John S.

> FYI: Yesterday, I had a delightful visit from Andre Mann of

Dolphin. He

> was in California doing some Dolphin CAD/CAM training, and gave me

a call

> to see if he could come up and visit. I really appreciate his

willingness

> to drive up to see ma as it is a 2 1/2 hour trip each way from my

house to

> his hotel. We spent the day together and I learned many new things

about

> Dolphin CAD/CAM. I also got answers to some of my pending

questions. I'll

> write up some of the notes and post them to the forum. Expect to

see some

> new tutorials and the like, soon.
>
> -Eric
>
> --------------------------------------------------------------------

----------------------------------

>
>
>
>
>

> "stevenson_engineers"

> <john@stevenson-engine To:

CAD_CAM_EDM_DRO@yahoogroups.com

> ers.co.uk>

cc:

> Fax

to:

> 05/20/2003 05:00 PM Subject:

[CAD_CAM_EDM_DRO] Re: http://www.cncmotion.com/

> Please respond

to

>

CAD_CAM_EDM_DRO

>

>
>
>
>
> >--- In CAD_CAM_EDM_DRO@yahoogroups.com, "forumtvm" <forumtvm@y...>
> >wrote:
> > Hi John,
> >
> > Will dearly love to see if you can use Dolphin to cook up

something

> > for us along the line of those photos.
> >
> > Peter
>
> Not quite the same but here's a 4th axis application done in

Dolphin.

> This is a gearbox cam for a 6 speed racing bike gearbox.
> The scrolls move the gear selectors as it rotates. Easy to machine
> but quite hard to map out so it doesn't clip the gears.
> This one is for a 6 speed Manx Norton.
>
> Years ago we used to build fluting and Barley twist lathes but these
> were manual machines and before the advent of cheap CNC.
> They were basically a standard wood lathe with an extra set of bed
> rails above the work. A router used to slide on these rails and was
> either slid along by hand and the work indexed round to produce
> flutes or the router was dragged along by a wire rope wrapped around
> a large disk at the end of the spindle. As the disk and spindle was
> turned by hand the wire rope moved to router to give the classical
> barley twist.
>
> If you chose a samll number of twists say 3 or 4 and fed a corner
> rounding type cutter in quite deep you could cut the middle of the
> spindle away to give a skeletal or filligree hollow pattern.
>
> John S.
> >
> >
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "stevenson_engineers"
> > <john@s...> wrote:
> > > Peter, probably just as quick to program these by hand.
> > > Then run that code as a subroutine over again to produce the
> right
> > > number of spirals.
> > > I see they are agents for Bobcad so they probably use this but
> > having
> > > used Bobcad I stick by my comments above.
> > > A simple spiral program will look like this
> > >
> > > N** Z -0.2 F 5.0
> > > N** X 10.0 A 20.0 F25.0
> > >
> > > Where the first line feeds the tool into the work and the second
> > line
> > > moves along 10" whist twisting thru 20 degrees.
> > > You then retract the tool, move back to the start in X and index
> > > round to the next position and repeat.
> > >
> > > John S.
> > >
> > > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "forumtvm"
> <forumtvm@y...>
> > > wrote:
> > > > Hi,
> > > >
> > > > Anyone knows what cam system (or how to manually program) a
> lathe
> > > to
> > > > produce those beautiful wood turnings featured in the

cncmotion

> > site
> > > >
> > > > http://www.cncmotion.com/
> > > >
> > > > in the cnc lathe section?
> > > >
> > > > Peter
>
>
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