HEIDENHAIN TNC 320 - Programming Examples; Example: Polar Hole Patterns

Fixed Cycles: Pattern Definitions
6.4 Programming Examples
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HEIDENHAIN | TNC 320 | User’s manual for cycle programming | 9/2016
6.4 Programming Examples
Example: Polar hole patterns
0 BEGIN PGM HOLEPAT MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-40
Definition of workpiece blank
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL CALL 1 Z S3500
Tool call
4 L Z+250 R0 FMAX M3
Retract the tool
5 CYCL DEF 200 DRILLING
Cycle definition: drilling
Q200=2 ;SET-UP CLEARANCE
Q201=-15 ;DEPTH
Q206=250 ;FEED RATE FOR PLNGNG
Q202=4 ;PLUNGING DEPTH
Q211=0 ;DWELL TIME AT TOP
Q203=+0 ;SURFACE COORDINATE
Q204=0 ;2ND SET-UP CLEARANCE
Q211=0.25 ;DWELL TIME AT DEPTH
Q395=0 ;DEPTH REFERENCE
6 CYCL DEF 220 POLAR PATTERN
Define cycle for polar pattern 1, CYCL 200 is called
automatically; Q200, Q203 and Q204 are effective as
defined in Cycle 220.
Q216=+30 ;CENTER IN 1ST AXIS
Q217=+70 ;CENTER IN 2ND AXIS
Q244=50 ;PITCH CIRCLE DIAMETR
Q245=+0 ;STARTING ANGLE
Q246=+360 ;STOPPING ANGLE
Q247=+0 ;STEPPING ANGLE
Q241=10 ;NR OF REPETITIONS
Q200=2 ;SET-UP CLEARANCE
Q203=+0 ;SURFACE COORDINATE