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HEIDENHAIN TNC 426 (280 476) User Manual

Page 280

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HEIDENHAIN TNC 426, TNC 430

253

8.3 Cy

cles f

o

r Dr

illing, T

a

pping and Thr

ead Milling

Example: Drilling cycles

0 BEGIN PGM C200 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 Z+0

3 TOOL DEF 1 L+0 R+3

Define the tool

4 TOOL CALL 1 Z S4500

Tool call

5 L Z+250 R0 F MAX

Retract the tool

6 CYCL DEF 200 DRILLING

Define cycle

Q200=2 ;SET-UP CLEARANCE

Q201=-15 ;DEPTH

Q206=250 ;FEED RATE FOR PLNGNG

Q202=5 ;PLUNGING DEPTH

Q210=0 ;DWELL TIME AT TOP

Q203=-10 ;SURFACE COORDINATE

Q204=20 ;2ND SET-UP CLEARANCE

Q211=0.2 ;DWELL TIME AT BOTTOM

X

Y

20

10

100

100

10

90

90

80

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