HEIDENHAIN TNC 426B (280 472) ISO programming - Manual (Page 202)

8 Programming: Cycles 186
8.5 Cycles for Machining Hole Patterns
The TNC provides two cycles for machining hole patterns:
Cycle Soft key
G220 CIRCULAR PATTERN
G221 LINEAR PATTERN
You can combine Cycle G220 and Cycle G221 with the following
fixed cycles:
Cycle G83 PECKING
Cycle G84 TAPPING with a floating tap holder
Cycle G74 SLOT MILLING
Cycle G75/G76 POCKET MILLING
Cycle G77/G78 CIRCULAR POCKET MILLING
Cycle G85 RIGID TAPPING
Cycle G86 THREAD CUTTING
Cycle G200 DRILLING
Cycle G201 REAMING
Cycle G202 BORING
Cycle G203 UNIVERSAL MILLING CYCLE
Cycle G204 BACK BORING
Cycle G212 POCKET FINISHING
Cycle G213 STUD FINISHING
Cycle G214 CIRCULAR POCKET FINISHING
Cycle G215 CIRCULAR STUD FINISHING
The TNC 426, TNC 430 with NC software 280 474-xx also
provides:
Cycle G205 UNIVERSAL PECKING
Cycle G206 TAPPING NEW with a floating tap holder
Cycle G207 RIGID TAPPING NEW without
a floating tap holder
Cycle G208 BORE MILLING
8.5 Cy
cles f
or Mac
hining P
oint P
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