Single Hole, Lateral Surface Unit - HEIDENHAIN CNC PILOT 640 User Manual

smart.Turn units | Units – Drilling in C axis

Single hole, lateral surface unit

This unit machines a hole on the lateral surface of the workpiece.
Unit name: G74_Bohr_Mant_C / cycle: G74
Further information: "Deep boring G74", Page 378
Cycle form:
X1: Start point drill (diameter value)
X2: End point drill
CS: Spindle angle
E: Period of dwell at end of hole (default: 0)
D: Retraction type
0: Rapid traverse
1: Feed rate
V: Feed reduction
0: Without reduction
1: At end of the hole
2: At start of the hole
3: At start & end of hole
AB: Drilling lengths (default: 0)
P: 1. Boring depth
IB: Hole depth reduct. val – value by which the hole depth
decreases after every infeed.
JB: Minimum hole depth
If you have entered a hole depth reduction value, the hole depth
is reduced only to the value entered in JB.
B: Return distance – value by which the tool is retracted after
reaching the respective hole depth
RI: Safety clearance internal – distance for reapproach inside
the hole (default: Safety clearance SCK)
HEIDENHAIN | User's Manual smart.Turn and DIN Programming | 12/2017
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