HEIDENHAIN SW 54843x-03 DIN Programming - Manual (Page 81)

HEIDENHAIN MANUALplus 620, CNC PILOT 640 81
2.4 Units—Centr
ic dr
illing
CLT Coolant
 0: Without
 1: Circuit 1 on
 2: Circuit 2 on
SCK Safety clearance in infeed direction: Safety clearance in
infeed direction during drilling and milling operations.
G60 Protection zone. During drilling and boring the protection
zone monitoring is
 0: Active
 1: Inactive
BP Break duration: Time span for interruption of the feed for
chip breaking.
BF Feed duration: Time interval until the next break. The
interruption of the feed rate breaks the chip.
Further forms: see page 60
If X is not programmed or XS is in the range of –2 mm < XS
< 2 mm, then the control drills at XS.