Tool offsets
8.10 Compensation at the outside corners (G450, G451)
Fundamentals
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
8-39
Programming
G450 DISC=…
Or
G451
Parameters
G450 Transition circle: the tool travels around workpiece
corners on a circular path with tool radius
DISC= Flexible programming of the approach and retraction
instruction. In steps of 1 from DISC=0 circle to DISC=100
intersection
G451 Intersection, the tool backs off from the workpiece corner
DISC=... is effective only when G450 is called, but can be programmed in a preceding block
without G450. Both commands are modal.
Example
In this example a transition radius is added to all outside corners (progr. in block N30). This
prevents the tool from having to stop and free cut when changing direction.
;
<
=
<
N10 G17 T1 G0 X35 Y0 Z0 F500 ;Start conditions
N20 G1 Z-5 ;Tool infeed
N30 G41 KONT G450 X10 Y10 ;Activate compensation mode
N40 Y60
N50 X50 Y30
N60 X10 Y10
;Cut contour
N80 G40 X-20 Y50 ;Deactivate compensation mode, retract on
;transition circle
N90 G0 Y100
N100 X200 M30
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