HEIDENHAIN CNC Pilot 4290 V7.1 - Manual (Page 524)

524
6.14 Int
e
ra
ctiv
e W
o
rk
ing Plan Gener
a
tion (IWG)
Finishing – Clearance turning
TURN PLUS executes a measuring cut on the selected contour
element. Precondition: The contour element was assigned the
“Measure” attribute (see “Machining attributes – Measure” on
page 473).
Clearance turning is performed by the expert program SP-MEAS01
(machining parameter 21). Parameters of the expert program: see
your machine manual.
Finishing – undercut
“Finishing – undercut” can be used for machining undercuts:
„ Type U
„ Type H
„ Type K
When machining undercut type U, adjacent transverse elements for
which an oversize is taken into account are machined to finished
dimensions.
Operation:
U Select the tool
U Select the machining range
U Press “Start”
Parameters
I Oversize for measuring cut
K Length of measuring cut
Q Measuring loop counter (every nth workpiece is measured)
You cannot influence an undercut operation (the “Cycle >
Cycle parameter” menu item cannot be selected).