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1 fundamentals, Overview, 1 f undamentals 5.1 fundamentals – HEIDENHAIN TNC 640 (34059x-01) Cycle programming User Manual

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Fixed Cycles: Pocket Milling / Stud Milling / Slot Milling

5.1 F

undamentals

5.1 Fundamentals

Overview

The TNC offers 6 cycles for machining pockets, studs and slots:

Cycle

Soft key

Page

251 RECTANGULAR POCKET
Roughing/finishing cycle with selection of
machining operation and helical plunging

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252 CIRCULAR POCKET
Roughing/finishing cycle with selection of
machining operation and helical plunging

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253 SLOT MILLING
Roughing/finishing cycle with selection of
machining operation and reciprocal
plunging

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254 CIRCULAR SLOT
Roughing/finishing cycle with selection of
machining operation and reciprocal
plunging

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256 RECTANGULAR STUD
Roughing/finishing cycle with stepover, if
multiple passes are required

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257 CIRCULAR STUD
Roughing/finishing cycle with stepover, if
multiple passes are required

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