
4. INTERPOLATION FUNCTIONS
4.3 Circular Interpolation (GO2, G03)
4.3
Circular Interpolation (G02, G03)
The command below will move a tool along a circular arc.
Arc on XpYp plane
R
{ 1 - J
1 F-i
Arc on ZpXp plane
- -
(38 {g; 1 ZP
XP
D -
Arc on YpZp plane
G19 { z;; )YP
ZP
- -
Xp: X axis ‘or its parallel axis (set by parameter No. 1022)
Yp: Y axis or its parallel axis (set by parameter No. 1022)
-Zp: Z axis or its parallel axis (set by parameter No. 1022)
Date to be given
Command
Meaning
Plane selection G17 Specification of arc on XpYp plane 1
G18 Specification of arc on ZpXp plan0
G19 Specification of arc on YpZp plane
2 GO2
Clockwise direction (CW)
Direction of
.
rotation
End point G90
position mode *
I
G91
mode
GO3
Counterclockwise direction (CCW)
3
Two of the Xp,
Yp, and Zp axes
End point position in the work
coordinate system
Two of the Xp,
Yp, and Zp axes
Distance from start point to end point
Distance from start
Two of the I,
point to center
J, and K axes
The signed distance from start point to
center I : X axis
J :Y axis
K : Z axis
4
Arc radius (Fixed to radius designation.)
I
Arc radius
R
F
Velocity along arc
5
Feed rate
1-13