8
04.00 Tool Offsets
8.8 Toolholder kinematics
8
840D
NCU 572
NCU 573
840Di
Siemens AG 2000. All rights reserved
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA)
−
04.00 Edition
8-299
Programming example
The toolholder used in the following example can be
fully described by a rotation around the Y axis.
z
Y
Y
X
X
Z
z
Y
X
X
Z
N10 $TC_CARR8[1]=1
Definition of the Y components of the first
rotary axis of toolholder 1
N20 $TC_DP1[1,1]=120
Definition of an end mill
N30 $TC_DP3[1,1]=20
with length 20 mm
N40 $TC_DP6[1,1]=5
and with radius 5 mm
N50 ROT Y37
Frame definition with 37° rotation around the
Y axis
N60 X0 Y0 Z0 F10000
Approach initial position
N70 G42 CUT2DF TCOFR TCARR=1 T1 D1 X10
Set radius compensation, tool length
compensation in rotated frame, select
toolholder 1, tool 1
N80 X40
Execute machining under a 37° rotation
N90 Y40
N100 X0
N110 Y0
N120 M30