BORING (Cycle 202, DIN/ISO: G202) 3.5
3
HEIDENHAIN | TNC 320 | User’s manual for cycle programming | 9/2016
73
Cycle parameters
Q200 Set-up clearance? (incremental): Distance
between tool tip and workpiece surface Input range
0 to 99999.9999
Q201 Depth? (incremental): Distance between
workpiece surface and bottom of hole. Input range
-99999.9999 to 99999.9999
Q206 Feed rate for plunging?: Traversing speed of
the tool in mm/min during boring. Input range 0 to
99999.999, alternatively FAUTO, FU
Q211 Dwell time at the depth?: Time in seconds
that the tool remains at the hole bottom. Input range
0 to 3600.0000
Q208 Feed rate for retraction?: Traversing speed
of the tool in mm/min when retracting from the
hole. If you enter Q208 = 0, the feed rate for
plunging applies. Input range 0 to 99999.999,
alternatively FMAX, FAUTO
Q203 Workpiece surface coordinate? (absolute):
Coordinate of the workpiece surface. Input range
-99999.9999 to 99999.9999
Q204 2nd set-up clearance? (incremental):
Coordinate in the spindle axis at which no collision
between tool and workpiece (fixtures) can occur.
Input range 0 to 99999.9999
Q214 Disengaging directn (0/1/2/3/4)?: Determine
the direction in which the TNC retracts the tool on
the hole bottom (after spindle orientation)
0: Do not retract the tool
1: Retract the tool in negative direction of the
principle axis
2: Retract the tool in negative direction of the minor
axis
3: Retract the tool in positive direction of the
principle axis
4: Retract the tool in positive direction of the minor
axis
Q336 Angle for spindle orientation? (absolute):
Angle to which the TNC positions the tool before
retracting it. Input range -360.000 to 360.000
10 L Z+100 R0 FMAX
11 CYCL DEF 202 BORING
Q200=2 ;SET-UP CLEARANCE
Q201=-15 ;DEPTH
Q206=100 ;FEED RATE FOR
PLNGNG
Q211=0.5 ;DWELL TIME AT DEPTH
Q208=250 ;RETRACTION FEED
RATE
Q203=+20 ;SURFACE COORDINATE
Q204=100 ;2ND SET-UP
CLEARANCE
Q214=1 ;DISENGAGING DIRECTN
Q336=0 ;ANGLE OF SPINDLE
12 L X+30 Y+20 FMAX M3
13 CYCL CALL
14 L X+80 Y+50 FMAX M99
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