HEIDENHAIN TNC 122 User Manual - Manual (Page 62)

Sequence of Program Steps
Milling an outside contour
Mode of Operation: PROGRAMMING AND EDITING
Program step
1 Select program
Entries: Program number
Unit of measurement in program
2 2 2 2 2 Call tool data
Entries: Tool number
Spindle axis
3 Tool change
Entries: Coordinates of tool change position
Radius compensation
Separately: Feed rate (rapid traverse) and
Miscellaneous function (tool change)
4 Approach starting position
Entries: Coordinates of the starting position
Radius compensation (R0)
Separately: Feed rate (rapid traverse) and
Miscellaneous function (spindle ON,
clockwise)
5 Move to (first) working depth
Entries: Coordinate of the (first) working depth
Feed rate (rapid traverse)
6 Approach first contour point
Entries: Coordinates of the first contour point
Radius compensation for machining
Separately: Machining feed rate
7 Machining to last contour point
Entries: Enter all required data for all
contour elements
8 Approach end position
Entries: Coordinates of the end position
Radius compensation (R0)
Separately: Miscellaneous function (spindle STOP)
9 Retract tool
Entries: Coordinates above the workpiece
Separately: Feed rate (rapid traverse) and
Miscellaneous function (end of program)
10 End of program