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

Example 2: Counter-clockwise involute with indirect programming of the end point by
specifying an opening angle
Program code
N10 G1 X10 Y0 F5000
N15 G17
N20 INVCCW CR=5 I-10 J0 AR=360
...
2.9.9

Contour definitions

2.9.9.1

Contour definition programming

Function
The contour definition programming is used for the quick input of simple contours.
Programmable are contour definitions with one, two, three or more points with the transition
elements chamfer or rounding, through specification of Cartesian coordinates and/or angles
(ANG or ANG1 and ANG2).
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
Comment
; The starting position is approached.
; Selection of the X/Y plane as machining
plane.
; Counter-clockwise involute and away from
the basic circle (as positive angle speci-
fication) with one full revolution (360 de-
grees).
Fundamentals
2.9 Motion commands
211