Siemens SINUMERIK 840D sl Function Manual page 572

Kinematic Transformation (M1)
7.10 Examples
; Example program, which guides the tool after transformation selection
; on path I via path II back to the starting position
; (machine data see "Data Description", Example X-Y-Z-C kinematics):
N1 SPOS=0;
N5 G0 X25 Y0 Z105 CC=200 F5000 G64
N10 TRACYL(40.)
N20 G19 G90
N30 T1 D1
N40 G1 X20
N50 OFFN=12
; Approach of groove wall
N60 G1 Z100 G42
Machining groove sector path I
N70 G1 Z50
N80 G1 Y10
; Approaching groove wall for path II
N90 OFFN=4 G42
; Machining groove sector path II
N100 G1 Y70
N110 G1 Z100
;Retract from groove wall
N120 G1 Z105 G40
N130 G0 X25
N140 TRAFOOF N150 G0 X25 Y0 Z105 CC=200
D0
572
; Take-over of spindle into rotary axis
; operation
; Positioning of machine above groove center
; Transformation selection with reference
; diameter:40 mm
; Operating plane is cylinder surface
; Tool selection, can also be before
; TRACY (..)
; Infeed tool to groove base
; Determine groove wall distance, need not
; be in its own line
; TRC selection to approach groove wall
; Groove part parallel to cylinder plane
; Groove part parallel to circumference
; Specifying groove wall distance and TRC
; selection for approach of groove wall
; according to CC=200 degrees
; revert to initial value
; TRC deselection to retract from groove
; wall
; Retract from groove
; go back to starting point and
; deselection of the tool offset
Function Manual, 01/2008, 6FC5397-1BP10-3BA0
Extended Functions