FANUC Series 16/18/160/180-Model C for Lathe Operator Manual

PROGRAMMING
15. COMPENSATION FUNCTION
B–62754EN/01
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2. Direction of the offset
The offset direction is indicated in the figure below regardless of the
G41/G42 mode.
G90 G94
When one of following cycles is specified, the cycle deviates by a tool
nose radius compensation vector. During the cycle, no intersection
calculation is performed.
G71 (Stock removal in turning or traverse grinding cycle)
G72 (Stock removal in facing or traverse direct constant–dimension
grinding cycle)
G73 (Pattern repeating or Oscillation grinding cycle)
When one of following cycles is specified, the tool nose radius
compensation is not performed.
G74 (End face peck drilling)
G75 (Outer diameter/internal diameter drilling)
G76 (Multiple threading cycle)
G78 (Threading cycle)
Movement after after compensation is shown below.
(G42)
(G41)
Programmed path
D Tool nose radius
compensation with G71
to G76 or G78
D Tool nose radius
compensation when
chamfering is performed

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