To get the tool to overlap the open edge we need to incorporate air regions. We now have a toolpath that is being controlled again by the boundary. The stock has not been defined for the mirrored part when analyzing the toolpath the preview chains utility shows the cut area has shifted to the stock location for the first part and the air region beyond what is required.īy rechaining the geometry as a closed boundary and switching the machining region strategy to stay inside.
Where we run into issues is if the stock has not been defined for the part. Stock has been defined for the part so switching the open-chain extension to stock will trim the cut area to open edges of the machining region. The blue area represents the air region for the toolpath, allowing the tool to move through this area with nothing to avoid. With the machining region set to cut from the outside and no open-chain extensions set you can see that the cut area in the hashed red and black has been closed by a diagonal line.
This image below illustrates the preview chains utility that shows what the toolpath is calculating to be cut. In this example, we will select the geometry along the two walls.
With multiple open sides many times programmers will try to select the inside edges of the open Geom. This article will cover using Mastercam Air Regions when cutting open geometry in the 2D Highspeed Dynamic toolpath. Computer Hardware / SpacemouseOfferings.
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