Heidenhain TNC 620 (34056x-04) Cycle programming Manual de usuario Pagina 126

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Fixed Cycles: Tapping / Thread Milling
4.11 Programming Examples
4
126
TNC 620 | User's Manual Cycle Programming | 5/2013
4.11 Programming Examples
Example: Thread milling
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
Centering
Drilling
Tapping
0 BEGIN PGM 1 MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-20
Definition of workpiece blank
2 BLK FORM 0.2 X+100 Y+100 Y+0
3 TOOL CALL 1 Z S5000
Call tool: centering drill
4 L Z+10 R0 F5000
Move tool to clearance height (enter a value for F): the TNC
positions to the clearance height after every cycle
5 SEL PATTERN "TAB1"
Definition of point table
6 CYCL DEF 200 DRILLING
Cycle definition: CENTERING
Q200=2 ;SET-UP CLEARANCE
Q201=-2 ;DEPTH
Q206=150 ;FEED RATE FOR PLNGNG
Q202=2 ;PLUNGING DEPTH
Q210=0 ;DWELL TIME AT TOP
Q203=+0 ;SURFACE COORDINATE
0 must be entered here, effective as defined in point table
Q204=0 ;2ND SET-UP CLEARANCE
0 must be entered here, effective as defined in point table
Q211=0.2 ;DWELL TIME AT BOTTOM
10 CYCL CALL PAT F5000 M3
Cycle call in connection with point table TAB1.PNT, feed rate
between the points: 5000 mm/min
11 L Z+100 R0 FMAX M6
Retract the tool, change the tool
12 TOOL CALL 2 Z S5000
Call tool: drill
13 L Z+10 R0 F5000
Move tool to clearance height (enter a value for F)
14 CYCL DEF 200 DRILLING
Cycle definition: drilling
Q200=2 ;SET-UP CLEARANCE
Q201=-25 ;DEPTH
Q206=150 ;FEED RATE FOR PLNGNG
Q202=5 ;PLUNGING DEPTH
Q211=0 ;DWELL TIME AT TOP
Q203=+0 ;SURFACE COORDINATE
0 must be entered here, effective as defined in point table
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