HEIDENHAIN TNC 426 (280 460) Training Advanced - Manual (Page 120)

HEIDENHAIN HEIDENHAIN
Solution:
Advanced course TNC 4xx
Milling cylindrical pins
7288/4
C05
SPGM
17 LBL 1
18 FN 1: Q23 = +Q3 + +2 .............................................. Z-HEIGHT OF MOVEMENT
(CLEARANCE)
19 FN 4: Q24 = +Q4 DIV +2 .......................................... RADIUS
20 FN 1: Q25 = +Q24 + +Q5 ......................................... RADIUS + OVERSIZE
21 FN 1: Q34 = +Q25 + +Q108 ..................................... RADIUS + OVERS. + TOOL RADIUS
22 FN 1: Q35 = +Q34 + +Q5 ......................................... RAD. + 2 * OVERS. + TOOL RADIUS
23 FN 4: Q28 = +Q5 DIV +2 .......................................... ONE HALF OVERSIZE
24 FN 4: Q27 = +Q7 DIV +2 .......................................... ONE HALF FEED RATE
25 FN 3: Q29 = +Q7 * +2 .............................................. DOUBLE FEED RATE
26 CC X+Q1 Y+Q2
27 LP PR+Q35 PA+0 R0 F9999 ..................................... UNCORRECTED STARTING POINT
28 L Z+Q23 ................................................................... GO TO SETUP CLEARANCE
29 L Z-Q6 FQ27 ............................................................ PLUNGE
30 LP PR+Q25 PA+0 RL FQ7 ........................................ MOVE TO WITH OVERSIZE
31 RND RQ28 FQ27 ...................................................... APPROACH TANG. WITH OVERS.
32 CP PA+0 DR- FQ7 .................................................... CIRCLE WITH OVERSIZE
33 RND RQ28 FQ27 ...................................................... DEPART WITH OVERSIZE
34 LP PR+Q35 PA+0 R0 FQ29
35 LP PR+Q24 PA+0 RL FQ29 ...................................... FINISH CUT
36 RND RQ28 FQ27
37 CP DR- FQ7
38 RND RQ28 FQ27
39 LP PR+Q35 PA+0 R0 FQ29 ...................................... RETRACT TOOL
40 L Z+Q23 R0 F9999
41 LBL 0
42 END PGM 7288 MM