MANUAL OPERATION B-61
13-3
Tailstock Movement by Automatic Operation
It is possible to move the tailstock using a program. A macro program is used for controlling a
series of positioning operation.
Always close the front door before carrying out this automatic operation.
<Command format>
G479 V
. ;
<Processing by macro program>
Macro program
1.
Positioning of the saddle 1 (Z-axis) to the position
where the saddle 1 can be connected the tailstock.
2.
The M79 command (unclamp of tailstock body) is
executed.
The tailstock is unclamped and, at the same time,
the joint pin extends from the tailstock to connect it
with the saddle 1.
3.
Positioning of the tailstock body (Z-axis) to the
programmed target position.
The tailstock body is carried to the position specified
by a V command (position defined in the machine
coordinate system).
4.
The M78 command (clamp of tailstock body) is
executed.
The tailstock is clamped and, at the same time, the
joint pin extracts to disconnect the tailstock from the
saddle 1.
Exit
1.
Before moving the tailstock, close the front door.
2.
The target position (V command) for positioning must be specified using a
coordinate value in the machine coordinate system.
3.
For moving the tailstock using the G479 command, the following conditions must be
satisfied.
The spindle (rotary tool spindle) is stopped.
The turret is not rotating.
(The STATUS indicator TRCL is lit.)
The tailstock spindle must be IN.
(The indicator in the
(TSI) switch is lit.)
NOTE
Target position for positioning
(machine coordinate)
G479 V
. ;
Program
NOTE