HEIDENHAIN MANUALPLUS 620 User Manual

190 ISO Programming
4.4 Contour Form Elements
Undercut contour G25-Geo
G25 generates the undercut contours listed below. The undercuts are
only possible in inside contour corners in which the transverse
element is parallel to the X axis. Program G25 after the first element.
You specify the undercut type in parameter H.
Undercut type U (H=4)
Example: Call G25-Geo type U
. . .
N.. G1 Z-15 [longitudinal element]
N.. G25 H4 I2 K4 R0.4 P-0.5 [Type U]
N.. G1 X20 [transverse element]
. . .
H = 4
Form U
K
+P
R
I
P
Parameters
H Undercut type U: H=4
I Undercut depth (radius)
K Width of undercut
R Inside radius in both corners of recess (default: 0)
P Outside radius/chamfer (default: 0)
 P>0: Radius of the rounding arc
 P<0: Chamfer width
BE, BF, BD, BP and BH (see “Machining attributes for form
elements” on page 181)

HEIDENHAIN MANUALPLUS 620 Specifications

General

Brand	HEIDENHAIN
Model	MANUALPLUS 620
Category	Control Systems
Language	English