SUPPLEMENT 5
5-55
Command for inclined-plane machining with macro interruption being
active
Use of corner chamfering/rounding command
Use of G68.2 or G53.1 in a subprogram of the nesting level 8
Restart operation from a block in the mode of inclined-plane machining
(or from a G69 block)
Programming format (using Eulerian angles)
Programming format (using roll, pitch, and yaw angles, three points in
the plane, two vectors, projection angles, or tool-axis direction)
Tool radius compensation (for five-axis machining as well), fixed cycle, and tool tip
point control must be selected and cancelled within the mode of inclined-plane
machining.
Positioning commands (under G0) in the mode of inclined-plane machining are always
executed in interpolation-type paths.
Since the feature coordinate system will be established on the basis of the workpiece
coordinate system (which is independent of the positions of table rotation), do not fail
to set the table to the required angular position before selecting the mode of
inclined-plane machining.
Reference angular position for defining a feature coordinate system.
Use parameter F144 bit 1 to select the reference angular position for setting the angle
of rotation in a command (with G68.2) for the definition of a feature coordinate system.
Current angular position of the table
F144 bit 1 = 0
0° position of the table
F144 bit 1 = 1
A feature coordinate system is
established with reference to the current
position of the table on the rotational
axis concerned.
A feature coordinate system is established
with reference to the 0° position of the table
on the rotational axis concerned.
Do not fail to set the table to the angular
position appropriate for programming
before selecting the mode of
inclined-plane machining.
The feature coordinate system can be defined
with reference to the 0° position of the table,
irrespective of its current position.
Note: The parameter in question (F144 bit1) only applies to G68.2 (out of all relation to
G68.3).
See “F. Combination of inclined-plane machining (G68.2, G68.3) [Type A] and other
function” in “5-3 Restriction of Combination”.
Serial No. 294060
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