Siemens sinumerik 840d Programming Manual page 246

Transformations
7
7.3 Cylinder surface transformation: TRACYL
840D 840D
NCU 571 NCU 572
NCU 573
Programming example
N10 T1 D1 G54 G90 F5000 G94
N20 SPOS=0
N30 G0 X25 Y0 Z105 CC=200
N40 TRACYL (40)
N50 G19
Producing a hook-shaped groove:
N60 G1 X20
N70 OFFN=12
N80 G1 Z100 G42
N90 G1 Z50
N100 G1 Y10
N110 OFFN=4 G42
N120 G1 Y70
N130 G1 Z100
N140 G1 Z105 G40
N150 G1 X25
N160 TRAFOOF
N170 G0 X25 Y0 Z105 CC=200
N180 M30
7-246
FM-NC 810D 840Di
Tool selection, clamping compensation
Approach reference point
Switch on cylinder surface curve
transformation
Select plane
Infeed tool to base of groove
Set groove side distance 12 mm relative
to the groove center line
Approach the right groove side
Groove section parallel to cylinder axis
Groove section parallel to circumference
Approach left groove side; set groove
side distance 4 mm from to the groove
center line
Groove section parallel to circumference
Groove section parallel to cylinder axis
Retract from the side of the groove
Retract
Approach reference point
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) − 04.00 Edition
08.97
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