
B-63424EN/03
TYPES OF CYCLE MOTIONS
7. CALIBRATION CYCLES
(OPTIONAL FUNCYION)
-239-
1. At first, please set the ring gauge on the machine table and move
the probe right over the ring gauge.
2. When this cycle is executed, the probe moves the distance (Z)
along the –Z axis with feed-rate (fa). After that, it moves the
distance (R - α - stylus radius) with feed-rate (fa) and does a
measurement from the point within the distance (R + γ - stylus
radius) with the feed-rate (f). → First measurement
3. Next, the probe returns the measuring start point and does a
measurement as the same one in the direction –X axis and ±Y
axis.
4. After the first measurement, the probe moves the point (1
st
measuring position - β) with feed-rate (fa), and does a
measurement from the position within the distance (β + γ) with
the feed-rate (F). → Second measurement
5. The probe does a measurement as the same one in the direction –
X axis and ±Y axis.
6. After executing 180° Spindle Orientation, the probe does a
measurement as the same one in the direction –X axis and ±Y axis
again.
After inputting the necessary data, by pushing INSERT, a pop-up
windows is closed and inputted data are displayed in a program
window as the following ISO code program.
When G172 is executed, the system will calculate the stylus ball offset
for X, Y axis from measurement position and output it to the following
variables.
• # (MESRNO + 3) : Stylus Ball Offset for X axis
• # (MESRNO + 4) : Stylus Ball Offset for Y axis
G172 Z R F ;