HEIDENHAIN TNC 360 User Manual - Manual (Page 178)

8-25 TNC 360
8 Cycles
Fig. 8.26: Milling the outlines
Fig. 8.27: Milling completed
8.3 SL Cycles
Y
35 65
50
X
R25
R25
16 16
16
A
B C
D
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 (ISO 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+0 Z–20
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL DEF 1 L+0 R+3
4 CYCL DEF 14.0 CONTOUR GEOM.
5 CYCL DEF 14.1 CONTOUR LABEL 1/2/3/4
6 CYCL DEF 6.0 ROUGH-OUT
7 CYCL DEF 6.1 SET UP –2 DEPTH –10
8 CYCL DEF 6.2 PECKG –5 F100 ALLOW +2
9 CYCL DEF 6.3 ANGLE +0 F100
10 TOOL CALL 1 Z S1000
11 L Z+2 R0 FMAX M3
12 CYCL CALL
13 L Z+100 R0 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 LBL 0
19 LBL 2
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 L Y+42
29 L X+27
30 LBL 0
31 LBL 4
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