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8.4 Cycles for Machining Hole Patterns
The TNC provides two cycles for machining hole patterns:
Cycle
220 CIRCULAR PATTERN
221 LINEAR PATTERN
You can combine Cycle 220 and Cycle 221 with the following fixed
cycles:
Cycle 1
PECKING
Cycle 2
TAPPING with a floating tap holder
Cycle 3
SLOT MILLING
Cycle 4
POCKET MILLING
Cycle 5
CIRCULAR POCKET MILLING
Cycle 17
RIGID TAPPING
Cycle 18
THREAD CUTTING
Cycle 200
DRILLING
Cycle 201
REAMING
Cycle 202
BORING
Cycle 203
UNIVERSAL MILLING CYCLE
Cycle 204
BACK BORING
Cycle 212
POCKET FINISHING
Cycle 213
STUD FINISHING
Cycle 214
CIRCULAR POCKET FINISHING
Cycle 215
CIRCULAR STUD FINISHING
HEIDENHAIN TNC 426 B, TNC 430
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