Re: [CAD_CAM_EDM_DRO] could this be done

Try it and let us know. Usually if you want the high end features you have
to pay for them.
Darrell

----- Original Message -----
From: "mgrady" <mgrady@...>
To: <CAD_CAM_EDM_DRO@egroups.com>
Sent: Thursday, September 07, 2000 3:30 PM
Subject: Re: [CAD_CAM_EDM_DRO] could this be done


>
> the idea was to generate the code to travel
> forward at a certain pitch stop
> then reverse back at the same pitch to the start and repeat
> you are not withdrawing the tool
> the geckos are just to help keep everything in step
> don't they do similar things on a 4th axis on a mill without encoder
feedback??
> mike
>
> l
>
>
> Darrell wrote:
>
> >
> > It would require an index pulse on the encoder and Geckodrive doesn't
have
> > an input for that.
> > Darrell
> >
> > ----- Original Message -----
> > From: "mgrady" <mgrady@...>
> > To: <CAD_CAM_EDM_DRO@egroups.com>
> > Sent: Thursday, September 07, 2000 3:13 PM
> > Subject: [CAD_CAM_EDM_DRO] could this be done
> >
> > >
> > > I have been looking at lathe threading and been thinking
> > > instead of using encoder feedback with limited options ah-ha,
> > > microkenetics
> > > and expensive at least to me
> > > could a lathe be setup with a aux servomotor drive on the spindle
with
> > > a gecko drive
> > > with a quick release belt drive or contractor to switch between
> > > spindle motors when you want to cut threads
> > > assuming no backlash ball screws and gecko servo drives
> > >
> > > could a program be written that would when used with this setup
> > > that would output the code
> > > that you would input your machine parameters and thread info
> > > length of thread and pitch, thread depth thread type ect.
> > >
> > > and have it cut the pitch and then back up along the thread to start
> > > infeed the proper amount and repeat
> > > you would not need a big servo motor on the spindle as
> > > it would be "geared down" a bunch for finer resolution and you don't
> > > need much HP or rpm to cut threads anyway you could cut multi start
> > > with this also
> > > I have no idea about programing this might be a nightmare
> > > mike
> > >
> > >
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> >
> > Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
discussion of shop built systems, for CAD, CAM, EDM, and DRO.
> >
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> > bill,
> > List Manager
>
>
> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
discussion of shop built systems, for CAD, CAM, EDM, and DRO.
>
> Addresses:
> Post message: CAD_CAM_EDM_DRO@egroups.com
> Subscribe: CAD_CAM_EDM_DRO-subscribe@egroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@egroups.com
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> Moderator: jmelson@... [Moderator]
> URL to this page: http://www.egroups.com/group/CAD_CAM_EDM_DRO
> FAQ: http://www.ktmarketing.com/faq.html
> bill,
> List Manager
>
>