HEIDENHAIN TNC 320 (340 55x-03) Touch Probe Cycles - Manual (Page 134)

134
3.3 A
u
to
matic W
o
rk
piece Measur
ement
8 Center of 1st axis Q273 (absolute): Bolt hole circle
center (nominal value) in the reference axis of the
working plane.
8 Center in 2nd axis Q274 (absolute): Bolt hole circle
center (nominal value) in the minor axis of the working
plane.
8 Nominal diameter Q262: Enter the bolt hole circle
diameter.
8 Angle of 1st hole Q291 (absolute): Polar coordinate
angle of the first hole center in the working plane.
8 Angle of 2nd hole Q292 (absolute): Polar coordinate
angle of the second hole center in the working plane.
8 Angle of 3rd hole Q293 (absolute): Polar coordinate
angle of the third hole center in the working plane.
8 Measuring height in the touch probe axis Q261
(absolute): Coordinate of the ball tip center (= touch
point) in the touch probe axis in which the
measurement is to be made.
8 Clearance height Q260 (absolute): Coordinate in the
touch probe axis at which no collision between tool
and workpiece (fixtures) can occur.
8 Maximum dimension Q288: Maximum permissible
diameter of bolt hole circle.
8 Minimum dimension Q289: Minimum permissible
diameter of bolt hole circle.
8 Tolerance value for center 1st axis Q279:
Permissible position deviation in the reference axis of
the working plane.
8 Tolerance value for center 2nd axis Q280:
Permissible position deviation in the minor axis of the
working plane.
X
Y
Q291
Q293
Q292 Q274 ±Q280
Q273 ±Q279
Q289 Q262 Q288
X
Z
Q260
Q261