Re: [CAD_CAM_EDM_DRO] Steppers on a shaper (was Re: Steppers

Yes, just a few thousands ,I was thinking about a device where you could
dial up a set amount of pulses to correspond to a narrow range of
movement of the slide and then dumping it to the motor with a switch

dave_ace_me wrote:

>
> Hi Lee,
>
> there are a more than a few circuit designs in the files section on
> the group.
>
> If you are planning on getting pretty exact movements to a part,
> using a simple software such as TurboCNC and a Gecko would give you
> finite control of the movement(s)
>
> This 'solution' is almost canned, whereas you will need to build a
> circuit and then trouble shoot it for your application. and it would
> cost only a few dollars more than the build it yourself circuit.
> You will need to make all the stepper mounting, gearing, timing belts
> power supply, etc regardless of how you control the stepper.
>
> You may find that you need to go 90% of the way to full CNC just to
> move the axis. and that last 10% is not adding a lot in costs.
>
> Have you figured out how much travel you will need to move the table
> between cuts ?
>
> Software will allow you to get precision for multiple parts and
> multiple metals. I assume you might want to move somewhere between a
> few thou to a a few tenth's of an inch in a single cut?
>
> Dave
>
> --- In CAD_CAM_EDM_DRO@y..., "andrewyslee" <andrewlee@s...> wrote:
> > Hi Alan,
> >
> > Can't find your post on the 555 timer ciruit. Any pointers?
> >
> > Thanks
> >
> > Lee
> >
> > --- In CAD_CAM_EDM_DRO@y..., Alan Marconett KM6VV <KM6VV@a...>
> wrote:
> > > Hi Gene,
> > >
> > > Try a pulse generator feeding the stepper driver. You can
> buy 'em,
> > or
> > > build your own with a 555 timer or similar circuit. Seems I and
> > others
> > > posted email and pix on this, probably a year ago?
> > >
> > > HTH
> > >
> > > Alan KM6VV
> > >
> > > Gene wrote:
> > > >
> > > > Is there a mechanical way to trigger steppers? I was thinking
> > about
> > > > putting one on the down feed on my shaper and triggering it
> with a
> > > > switch or something on the backstroke. Probably a stupid idea.
> > > >
>
> Addresses:
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> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
>
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