Re: [CAD_CAM_EDM_DRO] J R Kerr

I would have to agree with your notation that the JR. Kerr system never
looses its position. That is a good feature that I forgot about.

Tom Eldredge

----- Original Message -----
From: andrew abken <kn6za@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, February 19, 2001 1:14 AM
Subject: Re: [CAD_CAM_EDM_DRO] J R Kerr


>
>
> I have been using his pic servo cmc chipset with a three axis
mini-mill
> and find them perfect for my needs. I dont know how well the pre-fab
stuff
> he sells works, but the chipsets are great if your into rolling your own
> system. The feature I like about them is that they never lose position. I
> can over load an axis and be able to clear the error without rehoming the
> machine. My work coords never need to be restablished(unless I remove
power
> from system). With the use of the picstep chip I can use either step-dir
> control or direct command over serial conection, which is nice!
>
> It depends on how much work you want to put into the system. jr-kerr is
> more work if you use the chipset, and more expensive if you use the prefab
> than the gecko no doubt!
>
> Any specific questions? just ask.
>
> have fun
>
> andrew
> kn6za
>
>
>
>
> >With all the talk about the Gecko drives and/or homebrewing a PIC
> >solution, I'm curious why there's no discussion of the J R Kerr systems
>
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