Siemens SINUMERIK 840D sl Function Manual page 597

; 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
Programming without groove wall offset
TRACYL without groove wall offset with supplementary linear axis (TRAFO_TYPE_n = 514)
; For the following part program the following machine data settings are a
prerequisite:
MD20070 $MC_AXCONF_MACHAX_USED[0]=1
MD20070 $MC_AXCONF_MACHAX_USED[1] = 2
MD20070 $MC_AXCONF_MACHAX_USED[2] = 3
MD20070 $MC_AXCONF_MACHAX_USED[3] = 4
MD20070 $MC_AXCONF_CHANAX_NAME_TAB[1] = "Y2"
MD24120 $MC_TRAFO_GEOAX_ASSIGN_TAB_1 [0] = 1;
MD24120 $MC_TRAFO_GEOAX_ASSIGN_TAB_1 [1] = 2;
MD24120 $MC_TRAFO_GEOAX_ASSIGN_TAB_1 [2] = 3;
MD24100 $MC_TRAFO_TYPE_1 = 514
MD24110 $MC_TRAFO_AXES_IN_1[0] = 1
MD24110 $MC_TRAFO_AXES_IN_1[1] = 4
MD24110 $MC_TRAFO_AXES_IN_1[2] = 3
Extended Functions
Function Manual, 03/2009, 6FC5397-1BP10-4BA0
Kinematic Transformation (M1)
; 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
; X as machine axis 1
; Y as machine axis 2
; Z as machine axis 3
; C as machine axis 4
; X as channel axis 1
; Y no channel axis
; Z as channel axis 2
; TRACYL without groove
wall offset only with
tool length offset
; channel axis radial to
rotary axis
; Channel axis in
cylinder surface
; perpendicular to rotary
axis
; channel axis parallel
to rotary axis
Examples
597