HEIDENHAIN TNC 426 (280 476) - Manual (Page 236)

HEIDENHAIN TNC 426, TNC 430 209
8.3 Cy
cles f
o
r Dr
illing, T
a
pping and Thr
ead Milling
8.3 Cycles for Drilling, Tapping and
Thread Milling
Overview
The TNC offers 19 cycles for all types of drilling operations:
Cycle Soft key
1 PECKING
Without automatic pre-positioning
200 DRILLING
With automatic pre-positioning, 2nd set-up clearance
201 REAMING
With automatic pre-positioning, 2nd set-up clearance
202 BORING
With automatic pre-positioning, 2nd set-up clearance
203 UNIVERSAL DRILLING
With automatic pre-positioning, 2nd set-up clearance,
chip breaking, and decrement
204 BACK BORING
With automatic pre-positioning, 2nd set-up clearance
205 UNIVERSAL PECKING
With automatic pre-positioning, 2nd set-up clearance,
chip breaking, and advanced stop distance
208 BORE MILLING
With automatic pre-positioning, 2nd set-up clearance