HEIDENHAIN TNC 426, User Manual

Page: 303 / 502

HEIDENHAIN TNC 426, TNC 430 277
8.4 Cy
cles f
o
r milling poc
k
e
ts, st
uds and slots
Q220=0 ;CORNER RADIUS
Q221=5 ;ALLOWANCE
8 CYCL CALL M3 Call cycle for machining the contour outside
9 CYCL DEF 5.0 CIRCULAR POCKET
Define CIRCULAR POCKET MILLING cycle
10 CYCL DEF 5.1 SET UP 2
11 CYCL DEF 5.2 DEPTH -30
12 CYCL DEF 5.3 PLNGNG 5 F250
13 CYCL DEF 5.4 RADIUS 25
14 CYCL DEF 5.5 F400 DR+
15 L Z+2 R0 F MAX M99
Call CIRCULAR POCKET MILLING cycle
16 L Z+250 R0 F MAX M6 Tool change
17 TOOL CALL 2 Z S5000
Call slotting mill
18 CYCL DEF 211 CIRCULAR SLOT Cycle definition for slot 1
Q200=2 ;SET-UP CLEARANCE
Q201=-20 ;DEPTH
Q207=250 ;FEED RATE FOR MILLNG
Q202=5 ;PLUNGING DEPTH
Q215=0 ;MACHINING OPERATION
Q203=+0 ;SURFACE COORDINATE
Q204=100 ;2ND SET-UP CLEARANCE
Q216=+50 ;CENTER IN 1ST AXIS
Q217=+50 ;CENTER IN 2ND AXIS
Q244=70 ;PITCH CIRCLE DIA.
Q219=8 ;SECOND SIDE LENGTH
Q245=+45 ;STARTING ANGLE
Q248=90 ;ANGULAR LENGTH
Q338=5 ;INFEED FOR FINISHING
19 CYCL CALL M3
Call cycle for slot 1
20 FN 0: Q245 = +225 New starting angle for slot 2
21 CYCL CALL
Call cycle for slot 2
22 L Z+250 R0 F MAX M2 Retract in the tool axis, end program
23 END PGM C210 MM