Heidenhain TNC 620 (34056x-04) Cycle programming Manual de usuario Pagina 97

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TAPPING NEW with a floating tap holder (Cycle 206, DIN/ISO:
G206)
4.2
4
TNC 620 | User's Manual Cycle Programming | 5/2013
97
Cycle parameters
Set-up clearance Q200 (incremental): Distance
between tool tip and workpiece surface. Input range
0 to 99999.9999
Guide value: 4x pitch.
Thread depth Q201 (incremental): Distance
between workpiece surface and root of thread.
Input range -99999.9999 to 99999.9999
Feed rate F Q206: Traversing speed of the tool
during tapping. Input range 0 to 99999.999
alternatively FAUTO
Dwell time at bottom Q211: Enter a value between
0 and 0.5 seconds to avoid wedging of the tool
during retraction. Input range 0 to 3600.0000
Coordinate of workpiece surface Q203 (absolute):
Coordinate of the workpiece surface. Input range
-99999.9999 to 99999.9999
2nd set-up clearance Q204 (incremental):
Coordinate in the spindle axis at which no collision
between tool and workpiece (fixtures) can occur.
Input range 0 to 99999.9999
NC blocks
25 CYCL DEF 206 TAPPING NEW
Q200=2 ;SET-UP CLEARANCE
Q201=-20 ;DEPTH
Q206=150 ;FEED RATE FOR
PLNGNG
Q211=0.25 ;DWELL TIME AT
BOTTOM
Q203=+25 ;SURFACE COORDINATE
Q204=50 ;2ND SET-UP
CLEARANCE
The feed rate is calculated as follows: F = S x p
F:
Feed rate (mm/min)
S:
Spindle speed (rpm)
p:
Thread pitch (mm)
Retracting after a program interruption
If you interrupt program run during tapping with the machine stop
button, the TNC will display a soft key with which you can retract
the tool.
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