HEIDENHAIN TNC 620 Programming Station, User Manual, Page: 64 / 695

First Steps with the TNC 620
1.3 Programming the first part
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HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
Activate no radius compensation: Press the
G40
soft key
Miscellaneous function M?
Switch on the spindle
and coolant, e.g.
M13
, confirm with the
END
key:
The TNC saves the entered positioning block
Press the
L
key to open a program block for a
linear movement
Enter the coordinates of the contour starting point
1 in X and Y, e.g. 5/5. Confirm with the
ENT
key
Activate radius compensation to the left of the
path: Press the
G41
soft key
Feed rate F=?
Enter the machining feed rate, e.g.
700 mm/min, save your entry with the
END
key
Enter
26
to approach the contour: Define
Rounding-off radius?
for the circular arc, save
entries with the
END
key
Machine the contour and move to 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
Move to contour point 3 : Enter the X coordinate 95
and save your entry with the
END
key
Define chamfer
G24
on contour point 3 :
Chamfer
side length?
Enter 10 mm, save with the
END
key
Move to contour point 4 : Enter the Y coordinate 5
and save your entry with the
END
key
Define chamfer
G24
on contour point 4 :
Chamfer
side length?
Enter 20 mm, save with the
END
key
Move to 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-off radius?
of the departing arc
Depart contour: Enter coordinates outside of the
workpiece in X and Y, e.g. -20/-20, confirm with
the
ENT
key
Activate no radius compensation: Press the
G40
soft key
Press the
L
key to open a program block for a
linear movement
Press the
G00
soft key if you want to enter a rapid
traverse motion
Retract tool: Press the orange axis key
Z
to retract
in the tool axis, and enter the value for the position
to be approached, e.g. 250. Press the
ENT
key
Activate no radius compensation: Press the
G40
soft key
MISCELLANEOUS FUNCTION M?
Enter
M2
to end
the program and confirm with the
END
key: The
TNC saves the entered positioning block