Yx z – HEIDENHAIN TNC 407 (280 580) User Manual User Manual
Page 115
TNC 425/TNC 415 B/TNC 407
5-16
5
Programming Tool Movements
Path Contours - Cartesian Coordinates
Example for exercise: Milling a rectangle
Coordinates of the corner points:
1
X =
5 mm
Y = 5 mm
2
X =
5 mm
Y = 95 mm
3
X = 95 mm
Y = 95 mm
4
X = 95 mm
Y = 5 mm
Milling depth:
Z =–10 mm
100
95
5
–10
5
100
95
3
1
2
4
Y
X
Z
Part program
0
BEGIN PGM RECTANG MM .............................. Begin program; program name RECTANG; dimensions in
millimeters
1
BLK FORM 0.1 Z X+0 Y+0 Z-20
2
BLK FORM 0.2 X+100 Y+100 Z+0 ..................... Define blank form for graphic workpiece simulation
(MIN and MAX points)
3
TOOL DEF 1 L+0 R+5
4
TOOL CALL 1 Z S1000 ....................................... Define tool in the program; call tool in the spindle axis Z;
spindle speed S = 1000 rpm
5
L Z+100 R0 FMAX M6 ....................................... Retract in the spindle axis; rapid traverse; insert tool
6
APPR LT X+5 Y+5 Z–10 LEN20 RL F100 M3 ..... Approach contour on a straight line with tangential connection
7
L Y+95 ................................................................ Move to second contour point - corner point
➁
. All values not
programmed remain the same as in block 8
8
L X+95 ................................................................ Move to third contour point - corner point
➂
9
L Y+5 .................................................................. Move to fourth contour point, corner point
➃
10
L X+5 Y+5 .......................................................... Conclude milling: Return to first contour point
11
DEP LN LEN+20 F100 ........................................ Depart contour on a straight line perpendicular to the last
contour element
12
L Z+100 FMAX M2 ............................................. Move tool to setup clearance; rapid traverse; spindle OFF,
coolant OFF, program run STOP, return to block 1 of the
program
13
END PGM RECTANG MM .................................. End of program