HEIDENHAIN TNC 640 (34059x-02) - Manual (Page 54)

First Steps with the TNC 640
1.3 Programming the first part
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TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 5/2013
Select the approach function
APPR CT: Enter the
coordinates of the contour starting point 1 in X and
Y, e.g. 5/5. Confirm with the ENT key
Center angle? Enter the approach angle, e.g. 90°,
and confirm with the ENT key
Circle radius? Enter the approach radius, e.g.
8 mm, and confirm with the ENT key
Confirm the
Radius comp.: RL/RR/no comp? with
the RL soft key: Activate the radius compensation
to the left of the programmed contour
Feed rate F=? Enter the machining feed rate, e.g.
700 mm/min, and confirm your entry 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 the chamfer at contour point 3 : Enter the
chamfer width 10 mm and save with the END key
Move to contour point 4 : Enter the Y coordinate 5
and save your entry with the END key
Define the chamfer at contour point 4 : Enter the
chamfer width 20 mm and save with the END key
Move to contour point 1 : Enter the X coordinate 5
and save your entry with the END key
Depart the contour
Select the departure function DEP CT
Center angle? Enter the departure angle, e.g. 90°,
and confirm with the ENT key
Circle radius? Enter the departure radius, e.g. 8
mm, and confirm with the ENT key
Feed rate F=? Enter the positioning feed rate, e.g.
3000 mm/min and confirm with the ENT key
Miscellaneous function M? Switch off the coolant,
e.g.
M9, with the END key: The TNC saves the
entered positioning block