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3 drilling cycles, 3 dr illing cy cles – HEIDENHAIN TNC 426B (280 472) ISO programming User Manual

Page 162

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8 Programming: Cycles

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8.3 Drilling Cycles

The TNC offers 9 (or 13) cycles for all types of drilling operations:

Cycle

Soft key

G83 PECKING
Without automatic pre-positioning

G200 DRILLING
With automatic pre-positioning,
2nd set-up clearance

G201 REAMING
With automatic pre-positioning,
2nd set-up clearance

G202 BORING
With automatic pre-positioning,
2nd set-up clearance

G203 UNIVERSAL DRILLING
With automatic pre-positioning,
2nd setup clearance, chip breaking, and decrement

G204 BACK BORING
With automatic pre-positioning,
2nd set-up clearance

G205 UNIVERSAL PECKING
(only with TNC 426 and TNC 430 with NC software 280 474-xx)
With automatic pre-positioning,
2nd setup clearance, chip breaking, advanced
stop distance

8.3 Dr

illing Cy

cles

Cycle

Soft key

G84 TAPPING
With a floating tap holder

G85 RIGID TAPPING
Without a floating tap holder

G86 THREAD CUTTING
(not in TNC 410)

G206 TAPPING NEW
(only with TNC 426, TNC 430 with NC software
280 474-xx)
with floating tap holder
automatic pre-positioning,
2nd setup clearance

G207 RIGID TAPPING NEW
(only with the TNC 426, TNC 430 with NC
software 280 474-xx)
Without floating tap holder, with
automatic pre-positioning,
2nd setup clearance

G208 BORE MILLING
(only with the TNC 426, TNC 430 with NC
software 280 474-xx)
With automatic pre-positioning,
2nd set-up clearance

Kkap8.pm6

29.06.2006, 08:06

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