HEIDENHAIN SW 54843x-02 DIN Programming - Manual (Page 105)

HEIDENHAIN MANUALplus 620, CNC PILOT 640 105
2.6 Units—Pr
e
dr
illing in C axis
Cycle form
JT
Machining direction
 0: From the inside out (from the inside towards the
outside)
 1: From the outside in (from the outside towards the
inside)
H Cutting direction
 0: Up-cut milling
 1: Climb milling
I Contour-parallel oversize
K Infeed-direction oversize
U Overlap factor (default: 0.5)
WB Cutter diameter
NF Position mark
E Delay (dwell time at end of hole) (default: 0)
D Retraction at
 0: Rapid traverse
 1: Feed rate
V Feed rate reduction
 0: Without reduction
 1: At end of the hole
 2: At start of the hole
 3: At start and end of the hole
AB Spot drilling / through drilling length (distance for feed rate
reduction)
RB Return plane (default: return to the starting position or to
the safety clearance)
Further forms: see page 56