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Yep. Thats the best way by far. I guess if you only needed say .005"
dead nuts the edge finder would be ok. But I want to do it right.

Thanks all.


"Harold & Susan Vordos" wrote in message
...

wrote in message
...
I'm locating the center of some holes .500" dia with a Starrett edge

finder.
The tip of the edge finder is .200. I'm just not sure if I'm doing it

the
BEST way.
Maybe I'm missing something. Basically, I lower the tip of the edge

finder
just inside
the hole. I then move the X axis until It touches. I then move the Y

axis
until it's
not touching. Then back to the X until it touches. I keep this up until
rocking the Y axis
no longer provides any clearance. Then I move the X in .150 and zero the
DRO.
Then I repeat this process again for the Y axis. Basically, I'm finding

the
tangent of the 2 axis.

Is this the way it's normally done? This takes me a long time
(inexperienced)
The only instructions I've found on line, tell me how to locate a

straight
edge.

Any PRO suggestions appreciated.

RonL


Abandon the use of the edge finder and use a dial test indicator.

Mounted
in a drill chuck for easy turning, you can locate the center of your hole
far more accurately than by other methods, and it's fast.

Harold