7
CNC programming as per DIN 66025
The following description of functions as per DIN 66025 is a section of /7/.
7.1
G-functions
The G-functions define geometric path conditions for the operation of axes. On principle,
a DIN set with a G-function has the following structure:
The letter 'G' is followed by the number of the G-function. The parameters follow that are
formed each by a letter and the respective value.
G
(number) [
parameter
(value)] [
parameter
(value)] ...
The following examples show some of the G-functions:
Tabelle 27:
Table 27:
Examples for G functions
G
Meaning
Parameter
example with parame-
ters and value
00
Straight line interpo-
lation in rapid speed
AXES R D F E L
G1 X0 Z10 C0 F2
01
Straight line interpo-
lation
02
Circle interpolation in
clockwise direction
AXES D I J K R F E L
G3 X40 Y40 R100 D-60 K2
03
Circle interpolation in
counter clockwise di-
rection
17
Plane selection XY for
circle interpolation
--
G17
18
Plane selection XZ for
circle interpolation
--
G18
19
Plane selection YZ for
circle interpolation
--
G19