Siemens SINUMERIK 840Di sl Programming Manual page 208

Path Action
5.3 Continuous-path mode (G64, G641, G642, G643, G644)
Example
With this workpiece, the two outside corners at the groove are approached exactly. All other
machining takes place in continuous-path mode.
N05DIAMOF
N10 G17 T1 G41 G0 X10 Y10 Z2 S300 M3
N20 G1 Z-7 F8000
N30 G641 ADIS=0.5
N40 Y40
N50 X60 Y70 G60 G601
N60 Y50
N70 X80
N80 Y70
N90 G641 ADIS=0.5 X100 Y40
N100 X80 Y 10
N110 X10
N120 G40 G0 X-20
N130 Z10 M30
Note
An example of rounding with G643, also refer to to:
References:
/PGA/ Job Planning Programming Manual; special movement commands,
Chapter "Settable path reference (SPATH, UPATH)"
208
;Radius as dimension
;Approach starting position, activate
;spindle, path compensation
;Tool infeed
;Contour transitions are smoothed
;Approach exact position with exact stop
;fine
;Contour transitions are smoothed
;Deactivate path compensation
;Retract tool, end of program
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Fundamentals