[Lab] CNC driver IC

[Tom Burns]

Sorry, you are correct.  It was specifically the cheap chinese driver boards
available on ebay.

Tom


On Sat, May 28, 2011 at 12:12 AM, Sam Roesch <samroesch at gmail.com> wrote:

> From that forum post it sounds like the problem is with the
> implementation, not the chips themselves.
>
> On Friday, May 27, 2011, Paul & Andrea Mumby <themumbys at gmail.com> wrote:
> > I haven't used the 3986 before, only the 4983, and I run them at 16th
> step microstepping, and have never had a problem (nice and smooth and
> quiet). They do need good active cooling though if your getting them up
> around the max of 2A per phase. They have internal thermal protection, but
> when the driver starts cutting in and out due to overheat it kind of ruins
> whatever it is your trying to do with it...
> >
> > - Paul
> >
> > On Fri, May 27, 2011 at 4:04 PM, krazatchu . <krazatchu at hotmail.com>
> wrote:
> >
> >
> >
> >
> >
> >
> > I think it was the Allegro A3986 that had issues with micro stepping...
> >
> > Michael
> >
> > From: tom.i.burns at gmail.com
> > Date: Fri, 27 May 2011 15:59:46 -0400
> > Subject: Re: [Lab] CNC driver IC
> > To: samroesch at gmail.com
> > CC: krazatchu at hotmail.com; lab at artengine.ca
> >
> > Aren't those the chips that are generally regarded as being low-quality,
> problematic, and people typically suggest to avoid?  It was specifically in
> reference to the cheap driver boards on ebay if I remember what I read on
> CNC zone.
> >
> >
> >
> > Cheers,Tom
> >
> > On Fri, May 27, 2011 at 3:56 PM, Sam Roesch <samroesch at gmail.com> wrote:
> >
> >
> >
> > A whole back I posted some tb6560 stuff on my website:
> > www.samroesch.blogspot.com/search/label/stepper%20driver
> >
> > On Friday, May 27, 2011, Michael <krazatchu at hotmail.com> wrote:
> >> Someone asked me last night what the driver chip was for the stepper
> drivers commonly found on eBay was...
> >> An eBay search for "3 axis stepper driver" reveals that most of them are
> based on the Toshiba TB6560...
> >>
> >> Michael
> >>
> >>
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