HEIDENHAIN TNC 310 (286 140) - Manual (Page 148)

8 Programming: Cycles 136
Example: Multipass milling
Define the workpiece blank
Define the tool
Tool call
Retract the tool
Cycle definition: MULTIPASS MILLING
Starting point for X axis
Starting point for Y axis
Starting point for Z axis
1st side length
2nd side length
Number of cuts
Feed rate for plunging
Feed rate for milling
Feed rate for cross pecking
Setup clearance
Pre-position near the starting point
Call the cycle
Retract in the tool axis, end program
0 BEGIN PGM 230 MM
1 BLK FORM 0.1 Z X+0 Y+0 Z+0
2 BLK FORM 0.2 X+100 Y+100 Z+40
3 TOOL DEF 1 L+0 R+5
4 TOOL CALL 1 Z S3500
5 L Z+250 R0 F MAX
6 CYCL DEF 230 MULTIPASS MILLNG
Q225=+0 ;STARTNG PNT 1ST AXIS
Q226=+0 ;STARTNG PNT 2ND AXIS
Q227=+35 ;STARTNG PNT 3RD AXIS
Q218=100 ;FIRST SIDE LENGTH
Q219=100 ;SECOND SIDE LENGTH
Q240=25 ;NUMBER OF CUTS
Q206=250 ;FEED RATE FOR PLUNGING
Q207=400 ;FEED RATE FOR MILLNG
Q209=150 ;STEPOVER FEED RATE
Q200=2 ;SET-UP CLEARANCE
7 L X-25 Y+0 R0 F MAX M3
8 CYCL CALL
9 L Z+250 R0 F MAX M2
10 END PGM 230 MM
8.5 Cycles for Multipass Milling
X
Y
100
100
Z
Y
35