5
SUPPLEMENT
5-24
Note 3:
It depends on the setting of
F85
bit2 whether workpiece or table coordinate system is
selected.
Programming
coordinate
system
Workpiece coordinate system
Table coordinate system
Setting
F85
bit2 = 1
F85
bit2 = 0
Description
X, Y and Z-axis motion commands will be
executed with respect to the workpiece
coordinate system.
X, Y and Z-axis motion commands will be
executed with respect to the table coordinate
system.
The angular position of the table at the fixing of the workpiece coordinate system depends
on the setting of the parameter concerned as follows
Reference
angular position
Starting position (
F86
bit 6 = 0)
0° position (
F86
bit 6 = 1)
Method of fixing
the workpiece
coordinate system
to the table
The workpiece coordinate system is fixed to
the table in its angular position at the start
of tool tip point control. That is, the initial
state of the table coordinate system refers
to the current table position, or is to be
specified by a table rotation command
given in the block of G43.4 or G43.5.
The workpiece coordinate system is fixed
to the table in its angular position of 0°.
Example
C-axis origin = 45°
Fixing the workpiece coordinate system to
the table occurs at the start of tool tip point
control.
C-axis origin = 45°
Fixing the workpiece coordinate system to
the table occurs with the table in a C-axis
position of 0° in the workpiece coordinate
system.
45°
Y
135°
X
Y
X
Table rotation
Reference position
C = 90.
Positioning
C = 0
C-15.
G43.4Hh
Table rotation
Reference position
Positioning
C = 90.
30°
Y
120°
X
Y
X
<Initial state>
<After table rotation>
X
Y
Z
Z
Y
X
<Initial state>
<After table rotation>
X
Y
Z
X
Y
Z
Serial No. 294060
Copyright (c) 2013 YAMAZAKI MAZAK CORPORATION. All rights reserved.
Serial No. 294060