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

PROGRAMMING
B–62754EN/01
14. FUNCTIONS TO SIMPLIFY
PROGRAMMING
171
1.8
3.68
G76 P011060 Q100 R200 ;
G76 X60640 Z25000 P3680 Q1800 F6.0 ;
6
105
25
ϕ60.64
1.8
X axis
ϕ68
Z axis
Multiple repetitive cycle (G76)
Specifying P2 can perform staggered thread cutting with a constant depth
of cut.
Example: G76 X60640 Z25000 K3680 D1800 F6.0 A60 P2;
For staggered thread cutting, always use the FS15 tape format (see
Section 18.5).
If the depth of cut in one cycle is less than dmin (specified in parameter
No. 5140), the depth of cut is clamped atdmin.
α (Finishing allowance)
a
Hn
H1
H2
H3
H4
H5
H7
H8
H9
Ǹ2D
(Ǹ2Ǹ4) D/2
(Ǹ 4 Ǹ6) D/2
K
Ǹ2D
2
Tool nose
H6
Staggered thread cutting with a constant depth of cut
Ǹ4D
Examples
D Staggered thread cutting

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