CAMWorks provides two different methods of creating a
“Part Perimeter” feature to remove material from the outside
of your part. These methods are the “Open Pocket” and “Boss” types.
Part Perimeter type “Open Pocket” should be used when it’s
intended to remove all material up to the selected geometry.
This should be used when there is a significant amount of material to remove
from the stock, and multiple parts are not being cut out of a single piece
(such as a sheet). This is the typical method you will be using when machining
parts from bar stock.
“Open Pocket” Type Part Perimeter Feature
Part Perimeter type “Boss” should be used when it’s intended
to follow the outside profile with one or several passes.
This is appropriate to use as a Part Perimeter for applications such as
routers, where it is intended to plunge down and cut out just the outside
profile of the part. It may also be appropriately used to “clean up” parts
such as castings or partially machined parts that need only slight material
removal.
“Boss” Type Part Perimeter Feature
This concept is extended to CAMWorks “Open Pocket” and “Boss” features. Unlike
the “Part Perimeter” feature which only applies to the outside profile of the
part, the “Open Pocket” and “Boss” features allow you to machine areas
internal to the geometry.
The “Boss” feature, when applied to an internal boss as
pictured below, allows you to chase the profile of the boss.
This would allow cleaning up of a casting’s critical surfaces or other
geometry, but “Boss” features are not what you would typically want to use for
mass material removal.
“Boss” Feature
The “Open Pocket” feature on the other hand, as pictured
below,
allows for automatic removal of all material to a certain depth. It automatically detects any islands (internal features that protrude above
that depth) and intelligently machines around them. This means that you can
very quickly program material removal around multiple features, simply by
selecting the bottom face and applying an “Open Pocket” feature.
“Open Pocket” Feature
The setup of both the Open Pocket and Boss features can be seen in our
companion YouTube video:
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