[chbot] Question regarding stepper motors

[Michael Dawson]

4 wires into a 6 wire plug, colours from left looking towards the motor,
black, space, red, green, space, blue.
Dimensions 42mm x 42mm Faceplate x 33mm depth of motor.
232 grams weight including cog, can weight without that is that would help.

Cheers
Michael

On Mon, 24 Feb 2020 at 13:06, Mark Atherton <markaren1 at xtra.co.nz> wrote:

> Hi Michael,
>
> Welcome aboard.
>
> A few parameters which may be useful:
>
> - How many wires, what colours
>
> - Overall dimensions
>
> - Weight
>
> Regards, Mark
>
>
>
> On 24/02/2020 12:25 PM, Michael Dawson wrote:
> > I am trying to calibrate the A4988 drivers for the stepper motors for
> > my laser engraver/cutter, using Arduino Uno and the CNC shield,
> > (because the one that came with the cutter was pirated software and
> > didn't work how it was supposed to and I want to run laserGRBL anyway).
> >
> > The issue I am having is, I have not got the specs for the stepper
> > motors and aliexpress did not provide the specs.
> >
> > I think they are nema17, but the only hint I have to that is that when
> > I search on the number etched into the motors D42HSC141B-24 I find an
> > old banggood ad saying they are nema17 but if you click on the link
> > the original ad is long gone.
> >
> > I currently have them set to 0.952v when measured connected to the
> > arduino and cnc shield which is what was suggested, if they were rated
> > to 1.7A. I'm hoping that is correct for these steppers, so I guess my
> > question is does anybody have these same steppers and know the specs,
> > or do they know it they are indeed rated to 1.7A
> >
> > Or is there a way to find the Amp rating other than the etching on the
> > side of the stepper?
> >
> > Any help would be much appreciated.
> >
> > Oh hi BTW, my name is Michael, one or two of you may know me, I ran
> > Red Dwarf BBS back in the day, (I just remembered, I had the Red Dwarf
> > logo display in RIP script when you logged in, pity that never really
> > took off.)
> >
> > Michael
> >
> >
> >
> > _______________________________________________
> > Chchrobotics mailing list Chchrobotics at lists.ourshack.com
> > https://lists.ourshack.com/mailman/listinfo/chchrobotics
> > Mail Archives: http://lists.ourshack.com/pipermail/chchrobotics/
> > Meetings usually 3rd Monday each month. See http://kiwibots.org for
> > venue, directions and dates.
> > When replying, please edit your Subject line to reflect new subjects.
>
>
>
> _______________________________________________
> Chchrobotics mailing list Chchrobotics at lists.ourshack.com
> https://lists.ourshack.com/mailman/listinfo/chchrobotics
> Mail Archives: http://lists.ourshack.com/pipermail/chchrobotics/
> Meetings usually 3rd Monday each month. See http://kiwibots.org for
> venue, directions and dates.
> When replying, please edit your Subject line to reflect new subjects.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ourshack.com/pipermail/chchrobotics/attachments/20200224/d86c11fa/attachment.html>