Contour Definitions; Contour Definition Programming - Siemens Sinumerik 840D sl Programming Manual

Motion commands

10.9 Contour definitions

Example 2: Counter-clockwise involute with indirect programming of the end point through
specification of an opening angle
Program code
N10 G1 X10 Y0 F5000
N15 G17
N20 INVCCW CR=5 I-10 J0 AR=360
...
References
For more information about machine data and supplementary conditions that are relevant to
involute interpolation, see:
Function Manual, Basic Functions; Various NC/PLC interface signals and functions (A2),
Section: "Settings for involute interpolation"
10.9 Contour definitions
10.9.1

Contour definition programming

Function
The contour definition programming is used for the quick input of simple contours.
204
Comment
; Approach the starting position.
; Selection of the X/Y plane as working
plane.
; Counter-clockwise involute and away from
the basic circle (as positive angle speci-
fication) with one full revolution (360 de-
grees).
Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
Fundamentals