HEIDENHAIN TNC 407 (280 580) User Manual User Manual
Page 215
8-8
8
Cycles
TNC 407/TNC 415 B/TNC 425
Example: Tapping with a floating tap holder
Cutting an M6 thread at 100 rpm
Tapping coordinates:
X
= 50 mm
Y
= 20 mm
Pitch
p
=
1 mm
F = S x p
⇒
F = 100
.....
1 = 100 mm/min
Setup clearance:
3 mm
Thread depth:
20 mm
Dwell time:
0.4 s
Feed rate:
100 mm/min
TAPPING cycle in a part program
0
BEGIN PGM TAPPING 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
TOOL CALL 1 Z S1000
5
CYCL DEF 2.0 TAPPING
6
CYCL DEF 2.1 SET UP +3 .................................. Setup clearance
7
CYCL DEF 2.2 DEPTH –20 ................................. Thread depth
8
CYCL DEF 2.3 DWELL 0.4 ................................. Dwell time
9
CYCL DEF 2.4 F 100 ........................................... Feed rate
10
L Z+100 R0 F MAX M6 ...................................... Approach tool change position
11
L X+50 Y+20 F MAX M3 .................................... Pre-positioning, spindle on, clockwise
12
L Z+3 F MAX M99 .............................................. Pre-positioning in Z, cycle call
13
L Z+100 F MAX M2
14
END PGM TAPPING MM
Y
X
50
20