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Organization mode of operation | Parameters
9
HEIDENHAIN | MANUALplus 620 | User's Manual | 12/2017
629
Centric predrilling – Approach and departure
Approach and departure
Parameter
Meaning
Traverse for predrilling
ANB
Traverse for tool change
ABW
Approach or departure
strategy:
1: Move simultaneously in
X and Z directions
2: First X, then Z direction
3: First Z, then X direction
Centric predrilling – Safety clearances
Safety clearances
Parameter
Meaning
Safety clearance on workpiece
blank
SAB
Internal safety clearance
SIB
Retraction distance for deep-
hole drilling (
B
for
G74
)
Centric predrilling – Machining
Machining
Parameter
Meaning
Drilling depth ratio
BTV
TURN PLUS
checks the 1st
and 2nd drilling steps. The
predrilling step is performed if:
BTV
<=
BT
/
dmax
Drilling depth factor
BTF
1st drilling depth for deep-hole
drilling cycle (
G74
):
bt1
=
BTF
*
db
Depth reduction
BTR
Reduction for deep-hole drilling
cycle (
G74
):
bt2
=
bt1
–
BTR
Overhang length – Predrilling
ULB
Through-drilling length
Содержание 548431-05
Страница 1: ...MANUALplus 620 User s Manual NC Software 548431 05 English en 12 2017...
Страница 2: ......
Страница 3: ...Overview of keys...
Страница 7: ...Fundamentals...
Страница 22: ...22 HEIDENHAIN...
Страница 24: ...Contents 24 HEIDENHAIN MANUALplus 620 User s Manual 12 2017...
Страница 41: ...1 Introduction and fundamentals...
Страница 58: ......
Страница 59: ...2 Basics of operation...
Страница 83: ...3 Operating the Touchscreen...
Страница 90: ......
Страница 91: ...4 Machine mode of operation...
Страница 170: ......
Страница 171: ...5 Teach in...
Страница 415: ...6 ICP programming...
Страница 529: ...7 Graphic simulation...
Страница 556: ......
Страница 557: ...8 Tool and technology database...
Страница 602: ......
Страница 603: ...9 Organization mode of operation...
Страница 677: ...10 Tables and overviews...
Страница 711: ...11 Overview of cycles...