Fixed Cycles: Drilling
3.7 BACK BORING (Cycle 204, DIN/ISO: G204)
3
80
HEIDENHAIN | TNC 320 | User’s manual for cycle programming | 9/2016
Q214 Disengaging directn (0/1/2/3/4)?: Determine
the direction in which the TNC displaces the tool by
the off-center distance (after spindle orientation);
programming 0 is not allowed
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 at which the TNC positions the tool before it
is plunged into or retracted from the bore hole Input
range -360.0000 to 360.0000
Q253=750 ;F PRE-POSITIONING
Q254=200 ;F COUNTERBORING
Q255=0 ;DWELL TIME
Q203=+20 ;SURFACE COORDINATE
Q204=50 ;2ND SET-UP
CLEARANCE
Q214=1 ;DISENGAGING DIRECTN
Q336=0 ;ANGLE OF SPINDLE
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