
A-79344E
Title
Draw
No.
Ed. Date Design Description
Date Jan.06.’04 Design. Apprv.
5/24
page
FANUC Series 30i-MODEL A
Input of tool offset value measured B
Example 1
The difference between the reference tool nose tip position and the measuring tool nose tip
position can be set as the tool offset value. Define the reference tool nose tip position at the
mechanical reference position (machine zero position) as the measuring reference position,
then set the distances Xp, Zp, Xm, Zm, from the measuring reference position to the contact
faces of the sensor in parameters.
Xp:
Distance from the measuring reference position to X-axis (+) contact face (parameter
No. 5015)
Xm:
Distance from the measuring reference position to X-axis (–) contact face (parameter
No. 5016)
Zp:
Distance from the measuring reference position to Z-axis (+) contact face (parameter
No. 5017)
Zm:
Distance from the measuring reference position to Z-axis (–) contact face (parameter
No. 5018)
Xt:
X-axis direction moving distance of the measuring tool up to the contact face of sens
or (X-axis machine coordinate value)
Zt:
Z-axis direction moving distance of the measuring tool up to the contact face of sens
or (Z-axis machine coordinate value)
(when Xt and Zt touch the X-axis (–) contact face and Z-axis (–) contact face in the above
figure)
OFSx:
Tool offset value to be set (X-axis): OFSx = Xt - Xm
OFSz:
Tool offset value to be set (Z-axis): OFSz = Zt - Zm
+X
+Z
(0,0)
(0,0)
axis
contact face
Z axis –contact face
Zm
Zp
Zt
OFSx
OFSz
Xm
Xp
Xt
Measuring reference
position (reference to
ol nose position at th
e mechanical referen
ce position)
Measuring tool nose
position at the mech
anical reference posit
ion
When the reference tool nose tip position is set as the measuring reference position