Siemens SINUMERIK 828D Programming Manual page 455

Example 4: Tangential tracking with automatic optimization
Y1 is geometry axis 2.
Program code
...
N80 G0 C0
N100 F=50000
N110 G1 X1000 Y500
N120 TRAORI
N130 G642
N171 TRANS X50 Y50
N180 TANG(C,X,Y,1,,"P")
N190 TANGON(C,0,5.0,2.0)
N210 G1 X1310 Y500
N215 G1 X1420 Y500
N220 G3 X1500 Y580 I=AC(1420) J=AC(580)
N230 G1 X1500 Y760
N240 G3 X1360 Y900 I=AC(1360) J=AC(760)
N250 G1 X1000 Y900
N280 TANGOF(C)
N290 TRAFOOF
N300 M02
Job planning
Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
8.1 Tangential control (TANG, TANGON, TANGOF, TLIFT, TANGDEL)
Path traversing behavior
Comment
; Smoothing and maintaining the
maximum permitted path
deviation:
; Definition, tangential
tracking with automatic
optimization of the path
velocity.
; Activating tangential tracking
with automatic optimization:
Smoothing distance, 5 mm
angular tolerance, 2 degrees.
455