HEIDENHAIN TNC 407 (280 580) User Manual - Manual (Page 261)

8-54
8 Cycles
TNC 407/TNC 415 B/TNC 425
8.5 Coordinate Transformation Cycles
X
Y
16 20
1
2
3
60
30
25
20
15
70 24
12
Z
Y
X
Z
Example: Scaling factor
A contour (subprogram 1) is to be executed
– as originally programmed– at the manually
set datum X+0/Y+0, and then referenced to
position X+60/Y+70 and executed with the
scaling factor 0.8.
SCALING cycle in a part program
0 BEGIN PGM DIMENS 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+5
4 TOOL CALL 1 Z S1000
5 L Z+100 R0 F MAX
6 CALL LBL 1 ........................................................ Execution with original size 1
7 CYCL DEF 7.0 DATUM SHIFT ........................... Execution with scaling factor. Sequence:
8 CYCL DEF 7.1 X+60
9 CYCL DEF 7.2 Y+70 ........................................... 1. Datum shift
2
10 CYCL DEF 11.0 SCALING .................................. 2. Define scaling factor
3
11 CYCL DEF 11.1 SCL 0.8
12 CALL LBL 1 ........................................................ 3. Call subprogram (scaling factor active)
13 CYCL DEF 11.0 SCALING .................................. Cancel transformations
14 CYCL DEF 11.1 SCL 1
15 CYCL DEF 7.0 DATUM SHIFT
16 CYCL DEF 7.1 X+0
17 CYCL DEF 7.2 Y+0
18 L Z+100 R0 F MAX M2
19 LBL 1
LBL 0
END PGM DIMENS MM
The corresponding subprogram (see page 8-47) is programmed after M2.
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