Re: [CAD_CAM_EDM_DRO] Re: steppers+feedback+emc

I build this one myself, and I'm not loosing steps. ofacuse I only do around
800 steps pr. sec. at 24V

--mic

----- Original Message -----
From: "awallin25" <anders.wallin@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, September 25, 2002 10:16 AM
Subject: [CAD_CAM_EDM_DRO] Re: steppers+feedback+emc


>
> > With that said if you are having a problem with missed steps
> >during normal
> > use the closed loop stepper is not likely to solve the problem.
> ...
> > I think you need to determine why you are losing steps and fix >
> the problem
> > there.
> >
>
> the 3d table is made by isel, so I think it is mechanically OK.
> I looked at the motors today, and they are isel model
> 473030, with a torque of 110 Ncm, 2,8V / 4.0A Bidir.
> I used a dremel tool with a 3mm mill for milling in MDF.
> as I said earlier, using this setup and a program of my own to
> drive the table it was constantly losing steps so thats why I
> thought feedback would help
>
> experienced guys: can you tell me if milling in mdf and/or
> aluminium should be possible with this kind of table ?
> is the simplest and best solution for this to just drive the table at
> slower speeds? (I did some rough calculations, and with slow
> speed the milling of a 3d part(ca500x150x20mm) could take
> many hours: 5-10h! with a slow speed, is this
> common/acceptable?)
>
> AW
>
>
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