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Offset in CMM

Darius_HP
Hi,

I am running our brand new CMM for the first time and I am seeing that in DCC mode the machine has an offset. I wrote a very simple program to do manual and then automated alignment. When machine goes into DC mode and tries measuring the first plane it misses the plane by ~6mm. If there is no crash the program continues and measures all three planes but with the offset. It is very easy to see because my planes are thin pads on big housing. I am also new to CMM and have no idea why this is happening. Any suggestions?​
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  • Hi.

    the "ACTL" Actuals from PLNC-Y-Value and PLNA-X-Value are 0.3 off.
    This is normal if the hit is on the edge of the plane or similar problems. the flatness of these planes should reflect this, should be over 0.3.

    if flatness is ok than its odd ^^
    The way the program was designed, the difference between the manual values and the DCC values shouldn't actually be big.



    Try using only "measured plane" instead of "auto plane" features for manual-Mode, maybe that will work
    (I've heard there are problems in some versions if you use auto elements in manual-mode, could be wrong, but is worth a try)​
  • in reply to Henniger123
    IF he only takes 3 hits per plane, they will always show perfect flatness.
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