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

PROGRAMMING
B–62754EN/01
1. GENERAL
13
The term interpolation refers to an operation in which the tool moves
along a straight line or arc in the way described above.
Symbols of the programmed commands G01, G02, ... are called the
preparatory function and specify the type of interpolation conducted in
the control unit.
(a) Movement along straight line
G01 Z__;
X––Z––––;
(b) Movement along arc
G03X––Z––;
Control unit
X axis
Y axis
Tool
move-
ment
Interpolation
a) Movement
along straight
line
b) Movement
along arc
Fig. 1.1 (d) Interpolation function
NOTE
Some machines move tables instead of tools but this
manual assumes that tools are moved against workpieces.
Threads can be cut by moving the tool in synchronization with spindle
rotation. In a program, specify the thread cutting function by G32.
Program
G32Z––F––;
Z
F
X
Tool
Workpiece
Fig. 1.1 (e) Straight thread cutting
D Thread cutting

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