Beam tool pathing for 3D compound contours using machining path surfaces to maintain a single solid representation of objects

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United States of America Patent

PATENT NO 11048231
APP PUB NO 20190302738A1
SERIAL NO

16447816

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Abstract

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Computer based methods, systems, and techniques for planning and generating machining paths for a tool that manufactures a three dimensional object having beveled or “compound” contours from a workpiece. A computer aided design (CAD)/computer aided manufacturing (CAM) system creates intermediate machining path surfaces that extend based on a CAD solid model representing the geometry of the object to be manufactured. The intermediate machining path surfaces extend to a shape that simulates a cutting beam (e.g., a waterjet, a laser beam, etc.) of the tool. For a flat workpiece, the machining path surfaces may extend from a top surface of the workpiece, which is a tool beam entrance surface, to a bottom surface of the workpiece, which is a tool beam exit surface. An operator is able to visualize the cuts to be made and the actual finished object geometry, without requiring the creation of multiple CAD solid models.

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Patent Owner(s)

Patent OwnerAddress
FLOW INTERNATIONAL CORPORATIONSEATTLE WASHINGTON 98032

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chillman, Alex M Snohomish, US 9 137
DeSimone, Frank E Berlin, US 3 10
Lind, Vanessa A Redmond, US 2 9
Mental, Kenneth A Mendon, US 2 9

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