Siemens SINUMERIK 840D sl Programming Manual page 370

Path traversing behavior
9.1 Tangential control (TANG, TANGON, TANGOF, TANGDEL)
Example for plane change
N10 TANG(A, X, Y,1)
N20 TANGON(A)
N30 X10 Y20
...
N80 TANGOF(A)
N90 TANGDEL(A)
...
TANG(A, X, Z)
TANGON(A)
...
N200 M30
Example of the geometry axis switching and TANGDEL
No alarm is produced.
N10 GEOAX(2,Y1)
N20 TANG(A, X, Y)
N30 TANGON(A, 90)
N40 G2 F8000 X0 Y0 I0 J50
N50 TANGOF(A)
N60 TANGDEL(A)
N70 GEOAX(2, Y2)
N80 TANG(A, X, Y)
N90 TANGON(A, 90)
...
9-4
;1. definition of the tang. follow-up
;Activation of the coupling
;Radius
;Deactivate 1st coupling
;Delete 1st definition
;2. definition of the tang. follow-up
;Activation of the new coupling
;Y1 is geometry axis 2
;Deactivation of follow-up with Y1
;Delete 1st definition
;Y2 is the new geometry axis 2
;2. definition of the tang. follow-up
;Activation of the follow-up with 2nd def.
Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
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