HEIDENHAIN TNC 620 Programming Station

Programming contours | Path contours — Cartesian coordinates
Example: Linear movements and chamfers with Cartesian
coordinates
0 BEGIN PGM LINEAR MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-20
Define the workpiece blank for machining simulation
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL CALL 1 Z S4000
Call the tool in the spindle axis and with spindle speed
4 L Z+250 R0 FMAX
Retract the tool in the spindle axis at rapid traverse FMAX
5 L X-10 Y-10 R0 FMAX
Pre-position the tool
6 L Z-5 R0 F1000 M3
Move to working depth at feed rate F=1000mm/min
7 APPR LT X+5 Y+5 LEN10 RL F300
Approach the contour at point1 on a straight path with
tangential connection
8 L Y+95
Move to point 2
9 L X+95
Program the first straight line for corner3
10 CHF 10
Program a chamfer with length 10 mm
11 L Y+5
Program the second straight line for corner 3 and the first
straight line for corner 4
12 CHF 20
Program a chamfer with length 20 mm
13 L X+5
Program the second straight line for corner 4 and approach
the last contour point
14 DEP LT LEN10 F1000
Depart the contour on a straight line with tangential
connection
15 L Z+250 R0 FMAX M2
Retract the tool, end program
16 END PGM LINEAR MM
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HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 01/2022
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