Siemens SINUMERIK 828D Manual page 136

4.2
136
Aerospace, structural parts
Program example with RPY angle programming
In the example, the pocket is rough machined and the pocket walls machined via circumferential
milling with large circle interpolation ORIVECT and ORICONxx. Programming is with RPY angles
A2=,B2=,C2= (upper profile) with automatic angle calculation and insertion depth ISD
EXAMPLE_4_POCKET_RPY_2.MPF
DEF REAL _VECT1, _VECT2
_VECT1=5
_VECT2=25
R10=ATAN2(_VECT1,_VECT2); ISD is calculated
;*** 2D POCKET ROUGHING ***
N100 CYCLE800(0,"TABLE",200000,57,0,0,0,0,0,0,0,0,0,1,,1)
N101 CYCLE800()
N103 G54 G17
N104 WORKPIECE(,,,"BOX",112,0,-50,0,0,0,100,100)
N105 T="CUTTER_D14"
N106 M6
N107 S8000 M3
N108 CYCLE832(0.01,0,1) ; Deselect HSC setting (DYNNORM)
N109 TRANS X50 Y50 Z50 ; zero offset at the pocket center, upper workpiece edge
N110 G0 X0 Y0 Z20
N111 CUT2DF ; CUTTER COMP 2D IN ACTIVE FRAME
N112 POCKET3(20,0,2,-25,70,50,15,0,0,90,2,0,0,2000,0.1,0,21
,60,8,3,15,6.5,1,0,1,2,11100,11,110)
;*** 3D CIRCUMFERENTIAL MILLING TO DEPTH ***
N113 CYCLE832(0.01,1,1) ; HSC setting finishing (DYNFINISH)
N114 COMPOF ; for 3D tool radius compensation, the compressor must be
deactivated
N116 TRAORI
N117 ORIWKS
N118 ORIVECT
N119 CUT3DC ; CUTTER COMP 3D CIRCUMFERENTIAL
N120 G54 G0 X0 Y0 Z10
N122 G1 A2=R10 B2=0 C2=0 F1000
N123 ISD=25.9807 ; INSERTION DEPTH
N124 G1 Z0
N125 G1 G41 X0 Y-40
N126 G1 X10
N127 ORICONCCW
N128 G3 X30 Y-20 CR=20 A2=0 B2=R10 C2=0 NUT=R10*2 ; GROOVE=opening angle of the cone
N129 ORIVECT
N130 G1 Y20
N131 ORICONCCW
N132 G3 X10 Y40 A2=-R10 B2=0 C2=0 CR=20 GROOVE=R10*2
N133 ORIVECT
N134 G1 X-10
N135 ORICONCCW
N136 G3 X-30 Y20 A2=-0 B2=-R10 C2=0 CR=20 GROOVE=R10*2
N137 ORIVECT
N138 G1 Y-20
N139 ORICONCCW
N140 G3 X-10 Y-40 A2=R10 B2=0 C2=0 CR=20 GROOVE=R10*2
N141 ORIVECT
N142 G1 X0
N143 G40 X0 Y0 Z=IC(1) A2=0 B2=0 C2=0
N144 G0 Z100
N145 TRAFOOF
N146 G0 A0 C0
N147 M30
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