RE: [CAD_CAM_EDM_DRO] CNC Controller board less than $495 ?

Found Pokeys on web easily but not 542 series stepper drivers. A link would be appreciated.

Keith

> -----Original Message-----
> From: CAD_CAM_EDM_DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_DRO@yahoogroups.com]
> Sent: 24 February 2015 12:15
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] CNC Controller board less than $495 ?
>
> Forget inventions .. they Just Dont Work.
>
> My recommendations- budget solution:
> 1. Get a Pokeys Ethernet with the CNC-addon and install
> mach4/mach3(about 60(Pokeys)+80 Add-on (4 axis with 125 kHz engine) iirc).
> Has good sw, good support, and a great 125 kHz * hardware * pulse engine.
> 2. Get some 542 series stepper driver cards (about 45€ each).
>
> Timing is flaky on the usb/and anything raspberry-type stuff.
> Sw support is poor/crap/abysmal/nonexistent on most cheap cnc kit, and
> about 5% of stuff is missing .. and there are no docs to tell you which 5% is
> missing.
>
> Some things that may be poorly implemented, and or not standard on usb-
> anything, raspberrys etc..
> -homing
> -probing
> -slaving
> -accelerations
> -motor tuning
> -canned cycles
> A lot of standard g-code will work in all sorts of funky ways, on the usb
> boxes.
> Its mostly related to the fact that some of the missing 5% of sw functions are
> necessary, and often implemented "differently".
>
> There are other gotchas, but the top recommendation is your best bet, ime,
> imo.
> Best,
> h-
>
> On 22/02/2015 05:42, maxnc15@... [CAD_CAM_EDM_DRO] wrote:
> >
> >
> > But I know very little about what stepper motors require for signals
> > and the position sensors and the MaxNC control software for Win98.
> > Since it's now toast I'm also thinking of giving up than trying to
> > scrimp and save another $500 - but it's so nice for drilling holes and
> > even though it needs TLC it can do some mill jobs a lot cheaper than
> > the nearest CNC shop.
> >
> >
> > Thanks.
> >
>
> --
> -hanermo (cnc designs)
>
>
>
> ------------------------------------
> Posted by: Hannu Venermo <gcode.fi@...>
> ------------------------------------
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