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MITSUBISHI CNC
III Functional Specifications
(b)
(c)
(a) Tool change position
(b) Tool
(c) Sensor
(d) Reference position (In case of machine coordinate system zero point.)
(e) Amount of movement based on tool length measurement
(f) Tool length measurement position (Za1)
A
B
1
r
1
B
2
(a) Start point
(b) Measurement position
(c) r1, d1, and f1 can also be set in parameters.
III - 312
(a)
(d)
(e)
(f)
(a)
(c)
d
1
z
(b)
1
d
1
At this time, the tool length compensation
amount has a minus ("-") value.
Example of program
G28 Z0 ;
T01 ;
M06 T02 ;
G43 G00 Z0 H01 ;
G37 Z-300. R10. D2. F10 ;
:
In this case, the distance (H01 = Za1 - z0)
from the tool T01 tip to the top of the
measurement sensor is calculated as the
tool length compensation amount which is
then registered in the tool compensation
table.
Area A
: Moves with rapid traverse feed rate.
Areas B
, B
: Moves with the measurement speed (f1 or
1
2
parameter setting)
If a sensor signal is input in area B
If a sensor signal is not input in the area B
, an error will occur.
1
, an error will occur.
2
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