Systems and methods for generating slice files from native CAD geometries

Title: Systems and methods for generating slice files from native CAD geometries

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Abstract

A system and method for improving the production of objects with fully defined CAD models by generating CAD slice files from the native CAD geometries for use by AM machines. An electronic processing element receives the CAD model having a native and/or neutral format with metadata, determines a desired resolution, slices the CAD model to create the slice files having a slice format (e.g., point, edge, surface, volume) and retaining the metadata, and evaluates the slice files to determine whether the resolution has been achieved. If so, the slice files are sent to the AM machine. If not, a new desired resolution is determined and the CAD model is re-sliced, which may include combining the slice files to regenerate the CAD model. A support structure for the object may be analyzed, and if distortion is predicted, a modified CAD model may be created and sliced to create modified slice files.

Inventors:: Vernon, Gregory J.; Horn, Rachel Cramm; Porter, John

Issue Date:: 2019-07-30

Research Org.:: Honeywell Federal Maufacturing & Technologies, LLC, Kansas City, MO (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1568642

Patent Number(s):: 10,363,732

Application Number:: 15/243,583

Assignee:: Honeywell Federal Maufacturing & Technologies, LLC (Kansas City, MO)

DOE Contract Number:: NA0000622

Resource Type:: Patent

Resource Relation:: Patent File Date: 08/22/2016

Country of Publication:: United States

Language:: English

Citation Formats


                    Vernon, Gregory J., Horn, Rachel Cramm, and Porter, John. Systems and methods for generating slice files from native CAD geometries.  United States: N. p., 2019. 
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                    Vernon, Gregory J., Horn, Rachel Cramm, & Porter, John. Systems and methods for generating slice files from native CAD geometries.  United States.

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                    Vernon, Gregory J., Horn, Rachel Cramm, and Porter, John. Tue .  
        "Systems and methods for generating slice files from native CAD geometries".  United States.  https://www.osti.gov/servlets/purl/1568642.

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@article{osti_1568642,

  title        = {Systems and methods for generating slice files from native CAD geometries},

  author       = {Vernon, Gregory J. and Horn, Rachel Cramm and Porter, John},

  abstractNote = {A system and method for improving the production of objects with fully defined CAD models by generating CAD slice files from the native CAD geometries for use by AM machines. An electronic processing element receives the CAD model having a native and/or neutral format with metadata, determines a desired resolution, slices the CAD model to create the slice files having a slice format (e.g., point, edge, surface, volume) and retaining the metadata, and evaluates the slice files to determine whether the resolution has been achieved. If so, the slice files are sent to the AM machine. If not, a new desired resolution is determined and the CAD model is re-sliced, which may include combining the slice files to regenerate the CAD model. A support structure for the object may be analyzed, and if distortion is predicted, a modified CAD model may be created and sliced to create modified slice files.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2019},

  month        = {7}

}

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