HEIDENHAIN TNC 640 (34059x-04) ISO programming User Manual
Page 56

First Steps with the TNC 640
1.3
Programming the first part
1
56
TNC 640 | User's Manual for DIN/ISO Programming | 3/2014
Machine the contour and move to the contour
point
2
: You only need to enter the information
that changes. In other words, enter only the Y
coordinate 95 and save your entry with the
END
key
Approach contour point
3
: Enter the X coordinate
95 and save your entry with the
END key
Define the chamfer at the contour point
3
: Enter
the chamfer width 10 mm and confirm with the
END key
Approach contour point
4
: Enter the Y coordinate 5
and save your entry with the
END key
Define the chamfer at the contour point
4
: Enter
the chamfer width 20 mm and confirm with the
END key
Approach contour point
1
: Enter the X coordinate 5
and save your entry with the
END key
Enter
27 to depart from the contour: Define the
rounding radius of the departing arc
Enter
0. To retract the tool, select : Press the
orange axis key
Z in order to get clear in the tool
axis, and enter the value for the position to be
approached, e.g. 250. Press the
ENT key
Radius comp.: RL/RR/no comp.? confirm with the
ENT key: Activate no radius compensation
MISCELLANEOUS FUNCTION M? Enter M2 to enter
end of program, then confirm with the
END key.
The TNC saves the entered positioning block
Further information on this topic
Complete example with NC blocks
movements and chamfers with Cartesian coordinates",
page 218
Creating a new program: See "Opening programs and entering",
page 95
Approaching/departing contours: See "Approaching and
departing a contour"
Programming contours: See "Overview of path functions",
page 209
Tool radius compensation: See "Tool radius compensation ",
page 191
Miscellaneous functions (M): See "M functions for program run