Siemens SINUMERIK 840D sl Programming Manual page 365

Example
The toolholder used in the following example can be fully described by a rotation around the
Y axis.
N10 $TC_CARR8[1]=1
N20 $TC_DP1[1,1] = 120
N30 $TC_DP3[1,1]=20
N40 $TC_DP6[1,1]=5
N50 ROT Y37
N60 X0 Y0 Z0 F10000
N70 G42 CUT2DF TCOFR TCARR=1 T1 D1 X10
N80 X40
N90 Y40
N100 X0
N110 Y0
N120 M30
Requirements
A toolholder can only orientate a tool in all possible directions in space if
• two rotary axes V
• the rotary axes are mutually orthogonal.
Job planning
Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
and V are present.
1 2
8.8 Tool holder kinematics
;Definition of the Y components of the
;first rotary axis of toolholder 1
;Definition of an end mill
;Definition of an end mill with
;length 20 mm
;Definition of an end mill with
;radius 5 mm
;Frame definition with 37° rotation around
;the Y axis
;Approach start position
;Set radius compensation, tool length
;offset in rotated frame,
;select toolholder 1, tool 1
;Execute machining under a 37° rotation
Tool offsets
8-43