HEIDENHAIN TNC 620 E, User Manual

Page: 297 / 840

Programming Contours | Path contours

Cartesian coordinates
7
HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2017
297
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 graphic workpiece 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 line with
tangential connection
8 L Y+95
Move to point 2
9 L X+95
Point 3: first straight line for corner 3
10 CHF 10
Program a chamfer with length 10 mm
11 L Y+5
Point 4: 2nd straight line for corner 3, 1st straight line for
corner 4
12 CHF 20
Program a chamfer with length 20 mm
13 L X+5
Move to last contour point 1, second straight line for corner
4
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