HEIDENHAIN TNC 426B (280 472) ISO programming - Manual (Page 295)

11 Test Run and Program Run 280
1
1
.1 Gr
aphics
Repeating graphic simulation
A part program can be graphically simulated as
often as desired, either with the complete
workpiece or with a detail of it.
Function Soft key
Restore workpiece blank to the detail
magnification in which it was last
shown.
Reset detail magnification so that
the machined workpiece or
workpiece blank is displayed as it
was programmed with BLK FORM
The WINDOW BLK FORM soft key will
return the blank form to its original shape
or size, even if a detail has been isolated
and not yet magnified with TRANSFER
DETAIL.
Measuring the machining time
Program run modes of operation
The timer counts and displays the time from
program start to program end. The timer stops
whenever machining is interrupted.
Test run
The timer displays the approximate time which the
TNC calculates from the duration of tool
movements. The time calculated by the TNC cannot
be used for calculating the production time because
the TNC does not account for the duration of
machine-dependent interruptions, such as tool
change.
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