HEIDENHAIN TNC 128 (77184x-02) - Manual (Page 444)

Fixed cycles: Pocket milling / stud milling
17.5 Programming Examples
17
444
TNC 128 | User's Manual HEIDENHAIN Conversational Programming | 5/2014
17.5 Programming Examples
Example: Milling pockets, studs
0 BEGINN PGM C210 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
Call the tool for roughing/finishing
4 Z+250 R0 FMAX Retract the tool
5 CYCL DEF 256 RECTANGULAR STUD
Define cycle for machining the contour outside
Q218=90 ;FIRST SIDE LENGTH
Q424=100 ;WORKPC. BLANK SIDE 1
Q219=80 ;2ND SIDE LENGTH
Q425=100 ;WORKPC. BLANK SIDE 2
Q201=-30 ;DEPTH
Q367=0 ;STUD POSITION
Q202=5 ;PLUNGING DEPTH
Q207=250 ;FEED RATE FOR MILLING
Q206=250 ;FEED RATE FOR PLNGNG
Q385=750 ;FINISHING FEED RATE
Q368=0 ;ALLOWANCE FOR SIDE
Q369=0.1 ;ALLOWANCE FOR FLOOR
Q338=5 ;INFEED FOR FINISHING
Q200=2 ;SET-UP CLEARANCE
Q203=+0 ;SURFACE COORDINATE
Q204=20 ;2ND SET-UP CLEARANCE
Q351=+1 ;CLIMB OR UP-CUT
Q370=1 ;TOOL PATH OVERLAP
6 X+50 R0 Outside machining
7 Y+50 R0 M3 M99 Call cycle for machining the contour outside
8 CYCL DEF 252 RECTANGULAR POCKET Define RECTANGULAR POCKET cycle
Q215=0 ;MACHINING OPERATION
Q218=50 ;FIRST SIDE LENGTH
Q219=50 ;2ND SIDE LENGTH