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01/2008 "Program" operating area
6.8 Program simulation
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© Siemens AG 2008 All rights reserved.
SINUMERIK 840Di sl/840D sl/840D Operating Manual HMI-Advanced (BAD) - 01/2008 Edition 6-329
Display options
• Actual position: Display hide actual value of simulated channel
axes (Note: TRANS, ROT, SCALE and MIRROR are not taken into
account in the actual value display).
• NC block: Activate/deactivate display of current NC block
• Machining time: Activate/deactivate display of the calculated
machining time in the header of the basic simulation window
(T = calculated machining time (from the programmed feedrates)
= machining time + sum of all estimated down times).
Simulation mode
• Always reload tools
∗ In position "on" (default setting), all the necessary tool data are
reloaded on each program change.
∗ In position "off", tool data are only reloaded if required, if the
timestamp is altered (automatic query). Otherwise, the existing
tool environment is not changed.
• Save tool path
∗ In position "on" (default setting), all the tool paths in the
simulation sequence are visualized and stored temporarily in
the model for future display (zoom, etc.).
∗ In position "off", the resulting tool paths are visualized once
and not stored temporarily in the model. When the display is
subsequently manipulated (e.g., Zoom +), the tool paths are
lost.
• Block-by-block processing
∗ In position "on", discontinuous path processing, but largely
accelerated (reduced number of IPO interpolation points, for
example, only at block end points on straight lines).
∗ In position "off" (default setting), largely continuous path
processing (constant distance between interpolation points
depending on the IPO setting).
• Waiting for dwell times
∗ In position "on", program instructions with dwell times cause
real dwell times in the simulation.
∗ In position "off" (default setting), the dwell is suppressed in the
simulation and the dwell times are only taken into account in
time calculations.
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