Re: [CAD_CAM_EDM_DRO] Z-Axis Knee Woes

First, let me ask a 'd-u-u-h-h' question: Does the knee
have lock-down gibs, and have you loosened them? Okay,
then, maybe try a gas spring on either side of the knee.
There was a recent thread on just that topic recently on
one of these lists. It might have been Tim Goldstein, right
here on this list.

RayHex

----------

> From: jbordens <jake@...>
>
> Hi folks. I'm retrofitting a G3102 Grizzly Knee Mill, a

smaller type
<snip>

> Here are my problems:
>
> (1) the motors aren't powerful enough, apparently, to

raise the knee.

> They stall and eventually cause my geckos to fault. I'm

pretty sure

> I have the "limit" set to Max on the geckos.
>
> (2) when lowering the knee, the motor turns and every now

again

> there's a 'thump' from the mill, as if the knee is not

lowering

> smoothly, but in little increments.