0  BEGIN PGM 7100-EN MM 
1  ;Program for outside machining of a
2  ;hemisphere with a ball-nose cutter.
3  ;The process is done in contour lines, so
4  ;that the milling path is in the X/Y
5  ;plane and the plunging is in the plane X/Z.
6  ;
7  BLK FORM 0.1 Z X-50 Y-50 Z-55
8  BLK FORM 0.2  X+50  Y+50  Z+0
9  ;
10 ;Input parameter
11 FN 0: Q1 =+0 ;SPHERE CENTER IN THE X-AXIS
12 FN 0: Q2 =+0 ;SPHERE CENTER IN THE Y-AXIS
13 FN 0: Q3 =-50 ;SPHERE CENTER IN THE Z-AXIS
14 FN 0: Q4 =+50 ;SPHERE RADIUS
15 FN 0: Q5 =+45 ;NUMBER OF CONTOUR LINES
16 FN 0: Q6 =+3 ;SET UP CLEARANCE
17 FN 0: Q7 =+500 ;FEED RATE FOR PLUNGING
18 FN 0: Q8 =+800 ;FEED RATE FOR MILLING
19 FN 0: Q9 =+5 ;BALL RADIUS OF THE TOOL
20 ;Parameter input completed
21 ;
22 ;Tool call ball-nose cutter
23 TOOL CALL 157 Z S8000 DL-Q9
24 ;
25 ;
26 ;Calculations
27 FN 1: Q10 =+Q4 + +Q9 ;Effective radius in the tool center
28 FN 1: Q11 =+Q10 + +Q6 ;Radius for Pre-positioning
29 FN 4: Q12 =+90 DIV +Q5 ;Angle step
30 FN 2: Q13 =+Q5 - +1 ;Number of repetitions
31 ;Calculation completed
32 ;
33 ;Pre-positioning
34 L  Z+200 R0 FMAX
35 L  X+Q1  Y+Q2 R0 F9999 M3
36 CC  X+Q1  Z+Q3
37 LP  PR+Q11  PA+0 R0 FMAX
38 LP  PR+Q10 R0 FQ7
39 LBL 1 ;Repetitions
40 CC  Z+Q3  X+Q1
41 CP IPA+Q12 DR+ FQ7
42 CC  X+Q1  Y+Q2
43 CP IPA+360 DR+ FQ8
44 CALL LBL 1 REPQ13
45 ;
46 ;End of program
47 L  Z+100 R0 FMAX M30
48 END PGM 7100-EN MM