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HEIDENHAIN iTNC 530 (340 420) User Manual

Page 291

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HEIDENHAIN iTNC 530

263

8.3 Cy

cles f

o

r Dr

illing, T

a

pping and Thr

ead Milling

Example: Calling drilling cycles in connection with point tables

The drill hole coordinates are stored in the point
table TAB1.PNT and are called by the TNC with
CYCL CALL PAT

.

The tool radii are selected so that all work steps
can be seen in the test graphics.

Program sequence

n

Centering

n

Drilling

n

Tapping

0 BEGIN PGM 1 MM

1 BLK FORM 0.1 Z X+0 Y+0 Z-20

Define the workpiece blank

2 BLK FORM 0.2 X+100 Y+100 Y+0

3 TOOL DEF 1 L+0 R+4

Tool definition of center drill

4 TOOL DEF 2 L+0 2.4

Define tool: drill

5 TOOL DEF 3 L+0 R+3

Tool definition of tap

6 TOOL CALL 1 Z S5000

Tool call of centering drill

7 L Z+10 RO F5000

Move tool to clearance height (Enter a value for F.

The TNC positions to the clearance height after every cycle

8 SEL PATTERN “TAB1“

Defining point tables

9 CYCL DEF 200 DRILLING

Cycle definition: Centering

Q200=2

;SAFETY CLEARANCE

Q201=-2

;DEPTH

Q206=150

;F FEED RATE FOR PLUNGING

Q202=2

;INFEED DEPTH

Q210=0

;DWELL TIME AT TOP

Q203=+0

;SURFACE COORDINATE

0 must be entered here, effective as defined in point table

Q204=0

;SECOND SET-UP CLEARANCE

0 must be entered here, effective as defined in point table

Q211=0.2

;DWELL TIME AT DEPTH

X

Y

20

10

100

100

10

90

90

80

30

55

40

65

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