HEIDENHAIN CNC Pilot 4290 - Manual (Page 379)

HEIDENHAIN CNC PILOT 4290 367
7.5 Mac
hining P
a
ra
met
ers
Thread cutting - Machining
■ Thread starting length [GAL] – Starting length before threading
cut
■ Thread run-out length [GUL] – overrun length after threading cut
GAL/GUL are automatically transferred to the thread
attributes ”starting length B/overrun length P” if they have
not been entered as attributes.
8 – Measuring
Measuring - Method of measurement
■ Measuring mode [MART] – included.
■ 1: Manual measuring – calls an expert program
■ 2, 3: Currently not used
■ Measuring loop counter [MC] – Defines the measurement/loop
intervals.
Measuring – Measuring loop geometry
■ Measuring allowance [MA] – Allowance still applied to the
element to be measured.
■ Measuring cut length [MSL]
The measuring parameters are assigned to the fit elements as an
attribute.
9 – Drilling
Drilling - Traverse from/to tool change position
■ Approach, end face [ANBS]
■ Approach, lateral surface [ANBM]
■ Depart, end face [ABGA]
■ Depart, lateral surface [ABGI]
Entries for retracting a tool:
■ 1: Simultaneous, X and Z direction
■ 2: First X direction, then Z
■ 3: First Z direction, then X
■ 6: Coupled motion, first X, then Z
■ 7: Coupled motion, first Z, then X
Approach and departure are in rapid traverse (G0).