Re: [CAD_CAM_EDM_DRO] OT - Gib Adjustment

Hello Roger.
That is the difficult part with turcite.
not even this way you adjust it well,
because it is very compressible.
What I did was I adjusted it by feel without any oil.
(disconnected the nut) And gave it a slightly more tension
(1/4 turn of the set screw).
Until then I oiled. and got the result that the table felt
even more tight. but testing with a long handle I always was
able to displace the table laterally and vertical by more than
0.06mm.
Hopefully somebody experienced like George Brandau
will give his comment on this.

Good luck
Sven Peter
vrsculptor@... wrote:

>
> I've always adjusted Bridgeports by feel. With steel ways can tell
> drag and when they are binding.
>
> When I got the Tree the X axis servo and lead screw were removed for
> shipping and the table was locked with the gib adjustment. The tree
> uses a single tapered gib like the Bridgeport. The Tree has plastic
> (turcite) lined ways and a servo attached. Even though its got a hand
> wheel I can't get much of a feel. A friend suggested centering the
> table and setting up a tenths indicator in the center of the table.
> Tighten the gib until you only get a couple of tenths of play. Does
> this sound like the right way to do it?
>
> Roger
>
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