Delcam Releases FeatureCAM 2008
BIRMINGHAM,
UK, August 3, 2007 - The new version of Delcam’s FeatureCAM feature-based
CAM system includes support for continuous five-axis machining for the first
time, more efficient turning through better and easier control of stock
remaining, and an improved tool database with more options to link
pre-defined feeds and speeds to individual tools. FeatureCAM 2008 also
features numerous smaller enhancements and speed-ups, plus new and updated
post-processors, in particular for turn-mill equipment, including the Mazak
Integrex, Daewoo Puma and Nakamura-Tome machines.

FeatureCAM 2008 will support continuous five-axis machining for the first
time
The new five-axis machining options in FeatureCAM 2008 offer a variety of
methods for controlling the tool axis. The user is able to set a specific
lead and/or lean angle – the lead angle is measured in the cutting
direction; the lean angle at right angles to the cutting direction. This can
be done either to access areas unable to be reached with three-axis
machining or to give better cutting conditions. Alternatively, the tool
angle can be set in an orientation either to or from a point, or to or from
a line.
Many three-axis toolpaths generated in FeatureCAM are able to be
converted to a five-axis equivalent by using automatic collision avoidance
to change the tool axis when collisions might occur. The software
automatically tilts the cutter away from the obstacle by the specified
tolerance and then return the cutting angle to the value set for the overall
toolpath once the obstacle has been cleared. Various choices are available
to control the direction in which the tool is tilted.
Other new options include five-axis trimming and swarf machining. These
techniques can be used for the finishing of composite components and
vacuum-formed parts, and for machining pockets in aerospace structures.
Five-axis drilling is also supported. This new functionality, coupled
with the advanced feature recognition in FeatureCAM, makes it possible to
create drilling programs in seconds for multiple hole types and sizes,
oriented in a variety of directions.
The new functionality for turning allows a closed or open curve to be
used to define the stock during toolpath calculation, for example when
machining preforms like castings or parts that have already been rough
machined. The stock curve clips the toolpaths to it, so no toolpaths are
generated outside this boundary. This results in a dramatic reduction in
cutting time and minimal air cutting.
The enhanced tool database, which will be shared with the forthcoming
release of PowerMILL, is able to support much more information on
recommended feeds and speeds taken from suppliers’ tool catalogues. Data can
be added for profiling and slotting with milling tools, and roughing and
finishing with turning tools. Values can be given for different materials,
such as aluminum and steel. If the stock material matches a material in the
list, the feeds and speeds from the table will be used. Of course, users are
able to edit the values at any time to optimize them for their particular
machine tools.
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