Divergent Technologies, Inc.

Samuel Noah Miller

Thomas Samuel Bowden, Jr

Michael Thomas Kenworthy

Matthew Cooper Keller

Eric Paul Monteith

Chukwubuikem Marcel Okoli

Lukas Philip Czinger

Chor Yen Yap

Gregory S Weaver

Vincent Arunas Burokas

Jason Vincent Gallagher

Krzysztof Artysiewicz

Techniques for modeling a part with a complex geometric feature (CGF) for use with a three-dimension (3-D) printer are disclosed. In one aspect of the disclosure, a method of modeling a part for 3-D printing includes determining a first volume of the part. The first volume may be modeled using a 3-D computer-aided design (CAD) model. A second volume of the part is determined. The CGF may be modeled within the second volume using parametric modeling based on 3-D printing parameters.

Incorporating complex geometric features in additively manufactured parts

Techniques for joining nodes and subcomponents are presented herein. An apparatus in accordance with an aspect of the present disclosure comprises a 3-D printed first part having an interconnect co-printed with the first part such that the interconnect of the first part can float within the first part, and a 3-D printed second part having an interconnect co-printed with the second part such that the interconnect of the second part can float within the second part, wherein the interconnects of the first and second parts are configured to form a connection between the first and second parts.

Systems and methods for floating pin joint design

Retention features are provided for joining at least two structural components in a fixtureless assembly system. A first structure including a groove may be configured to contain at least one adhesive, and a second structure may include a tongue configured to contact the at least one adhesive to join the first and second structures. The first structure may also include at least one window that receives electromagnetic (EM) radiation from an EM radiation source into the groove. The at least one adhesive is configured to cure at a first rate upon exposure to one of time or heating, and the at least one adhesive is configured to cure at a second rate faster than the first rate upon exposure to the EM radiation.

Radiation-enabled retention features for fixtureless assembly of node-based structures

Systems and methods for rotational additive manufacturing are disclosed. An apparatus in accordance with an aspect of the present disclosure comprises a build floor, a depositor system configured to deposit a layer of powder onto the build floor, a motor system causing a rotational motion between the depositor system and the build floor, wherein the depositor system deposits the layer of powder during the rotational motion, a receptacle wall configured to contain the powder on the build floor, an energy beam source configured to apply an energy beam in an active area of the layer of powder to selectively fuse a portion of the powder in the active area to form a portion of a build piece and a gas flow system configured to provide a gas flow across the active area while the energy beam selectively fuses the portion of the layer of powder in the active area.

Rotational additive manufacturing systems and methods

3-D build jobs having surrogate supports, 3-D printers using surrogate supports, and techniques to support vulnerable regions of build pieces using surrogate supports are disclosed. The surrogate supports are generated in a first material configuration and are offset via a gap from the vulnerable regions. The gap comprises a second material configuration, such as loose or partially fused powder on which the build piece can be supported during 3-D printing. In alternative embodiments, the gap instead includes thin manual ties or a solid body using material that is stronger but more amenable to breaking off without damaging the build piece. Post-processing steps are dramatically reduced as the surrogate supports and gaps facilitate virtually error-free separation from the build piece. In an embodiment, the surrogate supports include a support structure extending to a fixed base underneath, the fixed base being a build plate or a global surrogate.

Growing community of inventors

Los Angeles, CA, United States of America

Samuel Noah Miller