Yx z cc – HEIDENHAIN TNC 407 (280 580) User Manual User Manual
Page 123
TNC 425/TNC 415 B/TNC 407
5-24
5
Programming Tool Movements
Path Contours - Cartesian Coordinates
Example for exercise: Milling a full circle in one block
Circle center CC:
X
= 50 mm
Y
= 50 mm
Beginning and end
of the circular arc C:
X
= 50 mm
Y
=
0 mm
Milling depth:
Z
= –5 mm
Tool radius:
R
= 15 mm
Part program
0
BEGIN CIRCLE MM .............................................. Begin program
1
BLK FORM 0.1 Z X+0 Y+0 Z-20 ............................ Define workpiece blank
2
BLK FORM 0.2 X+100 Y+100 Z+0
3
TOOL DEF 6 L+0 R+15 ........................................ Define tool
4
TOOL CALL 6 Z S500 ........................................... Call tool
5
CC X+50 Y+50 ...................................................... Coordinates of the circle center CC
6
L Z+100 R0 FMAX M6 .......................................... Change tool
7
APPR CT X+50 Y+0 Z–5 CCA90 R+20 RR F100 M3 .... Approach contour on a tangential arc
8
C X+50 Y+0 DR+ .................................................. Mill circular arc C around circle center CC; End point coor-
dinates X=+50 mm and Y=0; positive direction of rotation
9
DEP CT CCA180 R+30 F100 ................................. Depart contour on a tangential arc
10 L Z +100 F MAX M2 ............................................. Retract tool and end program
11 END PGM CIRCLE MM ........................................ End of program
–5
50
50
Y
X
Z
CC