HEIDENHAIN ITNC 530 - 6-2010 DIN-ISO PROGRAMMING - Circular Path G16 with Tangential Connection

212 Programming: Programming Contours
6.5 Path Contours—Polar Coordinates
Circular path G16 with tangential connection
The tool moves on a circular path, starting tangentially from a
preceding contour element.
U Polar coordinate radius R: Enter the distance from
are end point to the pole I, J
U Polar coordinates angle H: Angular position of the
arc end point
Example NC blocks
X
Y
40
35
CC
30°
120°
R30
R25
N120 I+40 J+35 *
N130 G01 G42 X+0 Y+35 F250 M3 *
N140 G11 R+25 H+120 *
N150 G16 R+30 H+30 *
N160 G01 Y+0 *
The pole is not the center of the contour arc!
16