HEIDENHAIN TNC 620 User Manual page 60

1
First Steps with the TNC 620
1.3 Programming the first part
Select the approach function APPR CT: Enter the
coordinates of the contour starting point
Y, e.g. 5/5, confirm with the ENT key
Center angle? Enter the approach angle, e.g. 90°,
confirm with the ENT key
Circle radius? Enter the circular radius, e.g. 8 mm,
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, save 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 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°,
confirm with the ENT key
Circle radius? Enter the departure radius, e.g. 8
mm, confirm with the ENT key
Feed rate F=? Enter the positioning feed rate, e.g.
3000 mm/min, confirm with the ENT key
Miscellaneous function M? Switch on the coolant,
e.g. M9, confirm with the END key: The TNC saves
the entered positioning block
Retract tool: Press the orange axis key Z and enter
the value for the position to be approached, e.g.
250. Confirm with the ENT key
Confirm Radius comp.: RL/RR/no comp? by
pressing the ENT key: Do not activate the radius
compensation
Confirm Feed rate F=? with the ENT key: Move at
rapid traverse (FMAX)
MISCELLANEOUS FUNCTION M? Enter M2 to end
the program and confirm with the END key: The
TNC saves the entered positioning block
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HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015