HEIDENHAIN TNC 370 User Manual page 238

8
Cycles
\-
--
L
L
L
L
8.5 SL Cycles
Example: Overlapping pockets and islands
PGM 360825 is an expansion of PGM 360821
for the inside islands C and D.
Tool: Center-cut end mill (IS0 1641).
radius 3 mm.
The SL contour is composed of the elements
A and B (two overlapping pockets) as well as
C and D (two islands within these pockets).
Cycle in a part program
0 BEGIN PGM 360825 MM
1 BLK FORM 0.1 Z X+0 Y+O Z-20
2
BLK FORM 0.2 X+100 Y+lOO Z+O
3 TOOL DEF 1 L+O R+3
4 CYCL DEF 14.0 CONTOUR GEOM.
5 CYCL DEF 14.1 CONTOUR LABEL l/2/3/4
6 CYCL DEF 6.0 ROUGH-OUT
7
CYCL DEF 6.1 SET UP 2 DEPTH -10
8 CYCL DEF 6.2 PECKG 5 FIOO ALLOW +2
9 CYCL DEF 6.3 ANGLE +0 FIOO
10
TOOL CALL 1 Z SIOOO
11 L Z+2 RO FMAX M3
12
CYCL CALL
13 L Z+lOO RO FMAX M2
14 LBL 1
15 L X+10 Y+50 RL
16 CC X+35 Y+50
17 C X+10 Y+50 DR+
18
LBLO
19 LBL2
20 L X+90 Y+50 RL
21 CC X+65 Y+50
22 C X+90 Y+50 DR+
23 LBL 0
24
LBL 3
25 L X+27 Y+42 RL
26
L Y+58
27 L X+43
28 LYi42
29 L X+27
30 LBL 0
31 LBL4
32 L X+57 Y+42 RR
33 L x+73
34 L X+65 Y+58
35 L X+57 Y+42
36 LBL 0
37
END PGM 360825 MM
I
Fig. 8.52: Millingtheoutlines
Fig. 8.53: Milling completed
TNC 370
8-49