Circular Interpolation (G02, G03) - Siemens SINUMERIK 802D sl Programming Manual

Commands Calling Axis Movements
2.1 Interpolation commands
End point
The end point can be specified in either incremental or absolute values. In G code
system B and C it is determind corresponding to the designation of G90 or G91 (for
details, see 3.2.1, "Absolute/Incremental Programming").
Example of programming
G01 X40. Y40. Z40. F100;
Fig. 2-2
2.1.3

Circular interpolation (G02, G03)

Command format
To execute the circular interpolation, the commands indicated in Table 2-2 must be
specified.
Table 2-2
Item
Plane designation
Direction of rotation Direction of rotation
Position of end point Position of end point
Distance from the start
point to the center
Radius of circular arc
Feedrate
2-26
SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D ISO Milling (PGM) -- 04.07 Edition
40.
Z-axis
Linear interpolation
Commands necessary for circular interpolation
Command
G17
G18
g
G19
G02
G03
Two axes among
X, Y, and Z
Two axes among
X, Y, and Z
Two axes among I,
J, and K
R
F
Y-axis
40.
0
40.
Description
Circular arc in the XY plane
Circular arc in the ZX plane
Circular arc in the YZ plane
Clockwise (CW)
Counterclockwise (CCW)
End point position in a workpiece coordi-
nate system
Signed distance from the start point to
the end point
Signed distance from the start point to
the center
Radius of circular arc
Velocity along the circular arc
© Siemens AG 2007 All rights reserved
04.07
100 mm/min
Tangential
velocity
X-axis