HEIDENHAIN TNC 407 (280 580) User Manual - Manual (Page 135)

TNC 425/TNC 415 B/TNC 407 5-36
5 Programming Tool Movements
5.5 Path Contours - Polar Coordinates
Example exercise: Milling a full circle
Circle center
coordinates:
X = 50 mm
Y = 50 mm
Radius: R = 50 mm
Milling depth: Z = –5 mm
Tool radius: R = 15 mm
Part program
0 BEGIN PGM POLCIRC 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+15
4 TOOL CALL 1 Z S1000
5 CC X+50 Y+50
6 L Z+100 R0 F MAX M6
7 APPR LN X+50 Y+0 Z-5 LEN+20 RL F100 M3
8 CP PA+270 DR– ........................................................... Circle to end point PA = 270°, negative direction of
rotation
9 DEP CT CCA180 R+20 F100
10 L Z+100 F MAX M2
11 END PGM POLCIRC MM
–5
100
100
50
50
Y
X
Z
CC
General data and first contour point
Retract tool and end program