beautypg.com

HEIDENHAIN TNC 360 User Manual User Manual

Page 161

background image

TNC 360

8-8

8

Cycles

8.2

Simple Fixed Cycles

Example: Tapping with a floating tap holder

Cutting an M6 thread at 100 rpm

Coordinates of the hole:

X

= 50 mm

Y

= 20 mm

Pitch

p

=

1 mm

F = S x p

ð 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 360088 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 FMAX M6 ....................................... Approach tool change position

11

L X+50 Y+20 FMAX M3 ..................................... Pre-positioning, spindle on clockwise

12

L Z+3 FMAX M99 ............................................... Pre-positioning in Z, cycle call

13

L Z+100 FMAX M2

14

END PGM 360088 MM

Y

X

50

20