HEIDENHAIN TNC 407 (280 580) User Manual - Manual (Page 133)

TNC 425/TNC 415 B/TNC 407 5-34
5 Programming Tool Movements
5.5 Path Contours - Polar Coordinates
Example for exercise: Milling a hexagon
Corner point coordinates:
1 PA = 180° PR = 45 mm
2 PA = 120° PR = 45 mm
3 PA = 60° PR = 45 mm
4
PA = 0° PR = 45 mm
5 PA = 300° PR = 45 mm
6 PA = 240° PR = 45 mm
Milling depth: Z = –10 mm
Tool radius: R = 5 mm
–10
50
50
5
5
CC
60
°
R =45
Y
X
Z
100
100
1
2
3
4
5
6
Part program
0 BEGIN PGM HEXAGON MM
1 BLK FORM 0.1 Z X+0 Y+0 Z–20
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL DEF 1 L+0 R+5
4 TOOL CALL 1 Z S1000
5 CC X+50 Y+50
6 L Z+100 X-20 Y+50 R0 F MAX M6
7 L Z–10 F MAX
8 APPR PCT PR+45 PA+180 CCA180 R+20 RL F100 M3
9 LP PA+120
10 LP PA+60
11 LP IPA+0
12 LP PA–60
13 LP PA--120
14 LP PA--180
15 DEP CT CCA135 R+20 F100 ........................................ Depart the contour tangentially on an arc
16 L Z+100 F MAX M2
17 END PGM HEXAGON MM
Corner points 2 to 6 and last contour point at 1 ;
absolute and incremental programming
General data and first contour point (corner point 1 )