HEIDENHAIN TNC 426B (280 472) Training ISO programming - Manual (Page 44)

Solution:
HEIDENHAIN Basic Course ISO G 426
Bolt hole circle segments with several tools
62187/3 F06
MAIN PROGRAM
150
60
0
40
0
20
0
12
110
60°
60°
15
M6
30
50
70
90
110
%62187 G71 *
N10
G30 G17 X+0 Y+0 Z-20 *
N20 G31 G90 X+150 Y+60 Z+0 *
N30 T4 G17 S2500 * ................................................... R2
N40 G00 G40 G90 Z+100 M03 *
N50 G200 ..................................................................... CIRCLE CENTER
Q200=2 .................................................................. SETUP CLEARANCE
Q201=-3,2 .............................................................. DEPTH
Q206=150 .............................................................. FEED RATE FOR PLUNGING
Q202=3,2 ............................................................... PLUNGING DEPTH
Q210=0 .................................................................. DWELL TIME AT TOP
Q203=+0 ................................................................ SURFACE COORDINATE
Q204=2 .................................................................. 2ND SETUP CLEARANCE
Q211=0 * ................................................................ DWELL TIME AT BOTTOM
N60 L1,0 *
N70 G00 Z+100 M06 *
N80 T5 G17 S2000 * ...................................................... R2.5
N90 G00 G40 G90 Z+100 M03 *
N100 G203 ..................................................................... UNIVERSAL DRILLING
Q200=2 .................................................................. SETUP CLEARANCE
Q201=-15 ............................................................... DEPTH
Q206=150 .............................................................. FEED RATE FOR PLUNGING
Q202=5 .................................................................. PLUNGING DEPTH
Q210=0 .................................................................. DWELL TIME AT TOP
Q203=+0 ................................................................ SURFACE COORDINATE
Q204=2 .................................................................. 2ND SETUP CLEARANCE
Q212=1 .................................................................. DECREMENT
Q213=0 .................................................................. NUMBER OF CHIP BREAKINGS
Q205=3 .................................................................. MIN. PLUNGING DEPTH
Q211=0 .................................................................. DWELL TIME AT BOTTOM
Q208=30000 ........................................................... RETRACTION FEED RATE
Q256=0,2 * ............................................................. CHIP BREAKING RETRACTION
N110 L1,0 *
N120 G00 G90 Z+100 M06 *
N130 T6 G17 S300 * ..................................................... R3
N140 G00 G40 G90 Z+100 M03 *
N150 G84 ....................................................................... TAPPING
P01 5
P02 -15
P03 0
P04 300 *
N160 L1,0 *
N170 G00 G40 G90 Z+100 M30 *