公开(公告)号：US20190205499A1

公开(公告)日：2019-07-04

申请号：US16333864

申请日：2016-09-26

Applicant: SIEMENS INDUSTRY SOFTWARE NV

Inventor： Dirk Frederik De Lange ,  Hunor Erdelyi ,  Wim Van Paepegem ,  Alain Remouchamps

IPC: G06F17/50 ,  B29C64/393 ,  B29C64/153 ,  B22F3/105

CPC classification number: G06F17/5086 ,  B22F3/1055 ,  B22F2003/1057 ,  B29C64/153 ,  B29C64/393 ,  B33Y10/00 ,  B33Y50/00 ,  B33Y50/02 ,  G06F17/5018 ,  G06F2217/12

Abstract: Design of lattice structures for additive manufacturing The present embodiments relate to additive manufacturing, such as three-dimensional printing. By way of introduction, the present embodiments described below include methods and systems for designing, modeling and manufacturing lattice structures. Lattice cells are modeled as parametrized representative unit cell (RUC) models providing a virtual material characterization for a lattice structure. The parametrized RUC models include phase functions for the virtual material characterization and identification of corresponding normalized material curves fit with polynomial functions for each lattice cell structure. Parametrized lattice models with underlying normalized lattice material curves provide design and simulation of true lattice material behavior for use in topology optimization. The topology optimization utilizes the normalized material curves in a penalization process and by defining lattice zones based on the printability of cells of given densities. The lattice structures are sized for geometrical accuracy and finite-element analysis may be performed with corrected beam diameters.

公开(公告)号：US20190197202A1

公开(公告)日：2019-06-27

申请号：US16215070

申请日：2018-12-10

Applicant: Dassault Systemes

Inventor： Pierre Denis Voirin

IPC: G06F17/50 ,  G06T19/20 ,  G06T17/20

CPC classification number: G06F17/5009 ,  G06F17/5086 ,  G06F2217/12 ,  G06F2217/42 ,  G06T17/20 ,  G06T19/20

Abstract: A computer-implemented method computes an unfolded part of a modeled bended 3D object in a 3D scene of a computer-aided design system. The method a) provides the 3D object; b) selects a fixed portion (FP) of the 3D object; c) selects a mobile portion (MP) of the 3D object; d) determines a 1D interface (INT) forming an intersection between the fixed portion (FP) and the mobile portion; e) computes a transformed portion resulting from a linear transformation of the mobile portion (MP) according to an drawing direction (DD); f) trims the transformed portion in the vicinity of the 1D interface (INT), thereby forming a trimmed transformed portion (TTP); g) creates a fillet (FI) between the 1D interface (INT) and the trimmed transformed portion (TTP); and h) defines the unfolded part as an union of the fixed portion (FP), the trimmed transformed portion (TTP) and the created fillet (FI).

公开(公告)号：US20190029141A1

公开(公告)日：2019-01-24

申请号：US15657019

申请日：2017-07-21

Applicant: Raytheon Company

Inventor： Stephanie Lin ,  James R. Chow ,  Carl W. Townsend

IPC: H05K7/20 ,  F28F21/02 ,  C25D3/38 ,  C25D3/46 ,  C25D7/06 ,  C25D7/00 ,  G06F17/50

CPC classification number: H05K7/2039 ,  B64G1/50 ,  C25D3/38 ,  C25D3/46 ,  C25D5/54 ,  C25D7/006 ,  C25D7/0614 ,  F28F21/02 ,  F28F2255/06 ,  G06F17/5086 ,  H01L23/367 ,  H01L23/373

Abstract: A graphene strip includes a plurality of graphene strips, a metal additive and a binding material is provided. The plurality of graphene strips include strips of graphene nanoplatelets. The metal additive is applied to each of the plurality of graphene strips. The binding material couples the plurality of graphene strips together.

公开(公告)号：US20180357740A1

公开(公告)日：2018-12-13

申请号：US16004330

申请日：2018-06-08

Applicant: One Sciences, Inc.

Inventor： Robert S. Blenis, JR.

IPC: G06T1/00 ,  D05B19/12 ,  A41H43/04 ,  A41H3/00

CPC classification number: G06T1/0014 ,  A41H3/007 ,  A41H43/04 ,  D05B19/12 ,  D05B21/00 ,  D05B81/00 ,  G06F17/5086 ,  G06F2217/32

Abstract: Disclosed are various systems and features for use with a machine, such as a sewing machine, to facilitate 3-dimensional vision systems that may enable operations on non-flat objects and paths. Such systems and features may be useful in the context of performing an action along a self-guided path on a substrate.

公开(公告)号：US20180329906A1

公开(公告)日：2018-11-15

申请号：US15590549

申请日：2017-05-09

Applicant: General Electric Company

Inventor： Jason Anton Byers ,  Daniel Moss ,  Linda Carter ,  Brian Christopher Wheeler

IPC: G06F17/30 ,  G06F17/50 ,  G06Q10/08 ,  G06F3/0481 ,  G06F3/0482

CPC classification number: G06F17/30014 ,  G06F3/04817 ,  G06F3/0482 ,  G06F17/30038 ,  G06F17/3005 ,  G06F17/30861 ,  G06F17/5086 ,  G06Q10/0875

Abstract: A system includes a display, a database that may store multiple documentation relating to an industrial or machine part, and a processor. The processor may present a graphical user interface (GUI) on the display, and the GUI includes multiple input objects and an output object. The processor may also receive a reference code and at least one documentation type via the multiple input objects. Further, the processor may search the database for at least one documentation associated with the reference code and the at least one documentation type. In addition, the processor may retrieve the at least one documentation from the database. The processor may then display a visualization in the output object of the GUI, and the visualization includes a list of the at least one documentation retrieved from the database.

公开(公告)号：US20180297287A1

公开(公告)日：2018-10-18

申请号：US15580129

申请日：2016-06-07

Applicant: STRATASYS LTD.

Inventor： Daniel DIKOVSKY ,  Eduardo NAPADENSKY ,  Shai HIRSCH ,  Evgeni LEVIN ,  Yoav BRESSLER

IPC: B29C64/393 ,  B29C64/112 ,  B29C64/40

CPC classification number: B29C64/393 ,  B29C64/112 ,  B29C64/245 ,  B29C64/264 ,  B29C64/386 ,  B29C64/40 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  G06F17/5086 ,  G06F2217/12

Abstract: Some embodiments of the invention may be related to a system and method of printing a three-dimensional (3D) object and a support construction for the 3D object. The system may include a printing unit and a supply system for supplying a body material and a support material to the printing unit. The system may further include a controller be configured to: generate 3D cross sectional digital data comprising a set of horizontal slices, to manipulate the 3D digital data to create a set of shifted slices by performing vertical shifts between body regions and support regions of a same horizontal slice to create printing digital data and to control the printing unit to deposit, in layers, the body material and the support material based on the printing digital data, wherein in a single scan, droplets of the support material and droplets of the body material travel different distances.

公开(公告)号：US20180252089A1

公开(公告)日：2018-09-06

申请号：US15970585

申请日：2018-05-03

Applicant: Andreas Hohl ,  Mathias Tergeist ,  Hatem Oueslati ,  Christian Herbig ,  Jayesh J. Jain ,  Hanno Reckmann ,  Lance A. Endres

Inventor： Andreas Hohl ,  Mathias Tergeist ,  Hatem Oueslati ,  Christian Herbig ,  Jayesh J. Jain ,  Hanno Reckmann ,  Lance A. Endres

IPC: E21B44/02

CPC classification number: E21B44/02 ,  G06F17/5086

Abstract: A method for reducing vibrations in a drill tubular coupled to a drill bit configured to drill a borehole in a formation includes: constructing a model of a system having the drill tubular, the model having a mass distribution, a stiffness, and/or a damping of the drill tubular; and calculating a plurality of modes using the model. The method also includes increasing an effective damping of the drill tubular for the plurality of modes by modifying at least one of the mass distribution, the stiffness, and the damping of the drill tubular using a predefined damping criterion, wherein the predefined damping criterion includes a ratio, the ratio having a deflection at the drill bit of at least one mode in the plurality and an eigenfrequency of the at least one mode in the plurality, wherein the deflection at the drill bit is raised to a power other than one.

公开(公告)号：US10061871B2

公开(公告)日：2018-08-28

申请号：US14809458

申请日：2015-07-27

Applicant: Technische Universiteit Delft

Inventor： Elmar Eisemann ,  Jean-Marc Thiery

IPC: G06F17/50 ,  G06F17/10 ,  G06T13/40 ,  G06T19/20

CPC classification number: G06F17/50 ,  G06F17/10 ,  G06F17/5086 ,  G06T13/40 ,  G06T19/20 ,  G06T2219/2021

Abstract: A novel and useful mechanism for the skinning of 3D meshes with reference to a skeleton utilizing statistical weight optimization techniques. The mechanism comprises (1) an efficient high quality linear blend skinning (LBS) technique based on a set of skeleton deformations sampled from the manipulation space; (2) a joint placement algorithm to optimize the input skeleton; and (3) a set of tools for a user to interactively control the skinning process. Statistical skinning weight maps are computed using an as-rigid-as-possible (ARAP) optimization. The method operates with a coarsely placed initial skeleton and optimizes joint placements to improve the skeleton's alignment. Bones may also be parameterized incorporating twists, bends, stretches and spines. Several tools add additional constraints to resolve ambiguous situations and interactive feedback aids users.

公开(公告)号：US10055536B2

公开(公告)日：2018-08-21

申请号：US14609322

申请日：2015-01-29

Applicant: Materialise N.V.

Inventor： Jan Maes ,  Mohd Azman Mohd Ismail ,  Tom Cluckers

IPC: G06F17/50 ,  G06T19/20 ,  A61B17/80 ,  A61B17/00 ,  A61B34/10 ,  B29C64/112

CPC classification number: G06F17/5086 ,  A61B17/8085 ,  A61B2017/00526 ,  A61B2034/108 ,  B29C64/112 ,  G06T19/20 ,  G06T2219/2021

Abstract: Systems and methods for designing digital representations of 3-D objects and manufacturing such objects are disclosed herein. In some aspects, the systems and methods described relate to bending maps that define regions on a physical object that can be bent or manipulated in order to design the 3-D object.

公开(公告)号：US20180218089A1

公开(公告)日：2018-08-02

申请号：US15418056

申请日：2017-01-27

Applicant: International Business Machines Corporation

Inventor： BUDY D. NOTOHARDJONO ,  SHAWN CANFIELD

IPC: G06F17/50 ,  G01M1/16 ,  G01M7/02

CPC classification number: G01M7/025 ,  G01M1/16 ,  G06F17/5086

Abstract: A method to analyze a rack with riveted joints is provided. The method includes importing a computer aided design (CAD) model of a rack and finding all annular edges in the CAD model with a predefined parameter. The method further includes gathering coordinates of nodes on the found annular edges, calculating average coordinates for the nodes of each found annular edge and identifying the average coordinates as a center point for each found annular edge. The method also includes identifying pairs of proximal center points and, for each pair of proximal center points, connecting the nodes on the found annular edges with the corresponding center point with rigid constraints and generating a beam element connecting the proximal center points in accordance with the rigid constraints.