Automatic Corner Filleting in NC Output (Auto Fillet)

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Automatic Corner Filleting in NC Output (Auto Fillet)

PrimeCut can automatically fillet sharp corners as it generates NC code. This feature is a standard requirement for many laser profiling machines.

Filleting settings are a per tool property and can look up costing data for the fillet radius or tool parameters. A thickness based tool parameter has been added to allow a simple thickness based selection of the fillet radius:

The tool settings look like:

Here for example, only "Internal Corners" will be filleted, and the radius used for filleting is looked up from a tool parameter called "fillet Radius". This tool parameter could be set up as follows for a thickness lookup:

NOTE: The sequence the Values are in is important and for a >= Thickness or Area comparison as used here the threshold values should be in descending order as in selecting the value the system takes the first match it finds.

The filleting is not visible in the processing window (though if a parameter was used as the fillet radius this will be visible and editable within the process properties):

But in the NC preview you can see the results if you zoom in on the corners (a 5mm radius was used here for clarity, and in this example only internal corners were filleted):

 

See also Fillet Selection.