HEIDENHAIN TNC 406 - Manual (Page 231)

210 10 Programming: Q Parameters
1
0.9 Q P
ar
amet
ers with Special F
u
nctions
Example: Circular hole patterns
Program sequence
„ Define parameter coordinates for the full circle
„ Define parameter coordinates for the circle arc
„ The positions to be eroded are each approached
in the subprogram LBL1 through movements in
the plane with polar coordinates.
0 BEGIN PGM HOLES MM
1 BLK FORM 0.1 Z X+0 Y+0 Z–20 Define the workpiece blank: MIN point
2 BLK FORM 0.2 X+100 Y+100 Z+0 Define the workpiece blank: MAX point
3 CYCL DEF 1.0 GENERATOR Cycle GENERATOR (see ”Cycle 1 GENERATOR” on page 133)
4 CYCL DEF 1.1 P-TAB 300 Select erosion table (here, table 300)
5 CYCL DEF 1.2 MAX=12 MIN =12 Set power stage (here, to stage 12)
6 TOOL DEF 1 L+0 R+5 Define electrode in the program
7 TOOL CALL 1 Z U+1 Call electrode in the infeed axis Z, undersize 1 mm
8 L Z+100 R0 F MAX M Retract in the infeed axis; rapid traverse; insert electrode
9 FN 0: Q1 = +30 Full circle 1: center X
10 FN 0: Q2 = +70 Full circle 1: center Y
11 FN 0: Q3 = +10 Full circle 1: number of cavities
12 FN 0: Q4 = +25 Full circle 1: radius
13 FN 0: Q5 = +90 1 and 2: starting angle
14 FN 0: Q6 = +0 Full circle 1: angle increment (input value 0: full circle)
15 FN 0: Q7 = +2 1 and 2: set-up clearance
16 FN 0: Q8 = –15 1 and 2: eroding depth
17 CALL LBL 1 Call subprogram 1 for full circle
X
Y
30 90
1
2
25
35 25 70
90°
30°