Re: [CAD_CAM_EDM_DRO] lead screw pitch

At 04:04 11/23/2002 +0000, you wrote:

>I have been trying to figure out what encoders to get for my mill. The
>mill has ball screws in it. I put a dial indicator on the table and
>got .316 per revolution. This was not a sientific measurment it could
>be a few one way or the other. How do I calculate for the number of
>counts of the encoder for a resolution needed. Is this lead screw
>metric? If so will that effect a machine using inches. I will try to
>get a more accurite measurment of the screw to make sure. Thank you
>Don B

8mm lead screws. Very common in Cincinatti Milacron, Giddings-Lewis, and
Monarch CNC Machine tools built in the 80's.

-Bob