HEIDENHAIN TNC 620 User Manual page 59

First steps | Programming the first part
Machine the contour
Press the L key
Enter the changing coordinates of
(e.g., Y 95)
Press the END key
The control applies the changed value and retains
all of the other information from the previous NC
block.
Press the L key
Enter the changing coordinates of
(e.g., X 95)
Press the END key
Press the CHF key
Enter the chamfer width (10 mm)
Press the END key
The control saves the chamfer at the end of the
linear block.
Press the L key
Enter the changing coordinates of
Press the END key
Press the CHF key
Enter the chamfer width (20 mm)
Press the END key
Complete the contour with a smooth departure
Press the L key
Enter the changing coordinates of
Press the END key
Press the APPR DEP key
Press the DEP CT soft key
For the center angle CCA, enter the departure
angle (e.g., 90°)
Press the ENT key
Enter the departure radius (e.g., 8 mm)
Press the ENT key
Enter the value for the positioning feed rate (e.g.,
3000 mm/min)
Press the ENT key
If needed, enter a miscellaneous function M, such
as M9, turn off coolant
Press the END key
The control saves the departure movement.
HEIDENHAIN | TNC 620 | Klartext Programming User's Manual | 01/2022
contour point 2
contour point 3
contour point 4
contour point 1
2
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