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12 条记录 (耗时 0.014 秒)

    Alleviating torsional forces on fiber-reinforced thermoplastic filament
    2.
    发明授权
    Alleviating torsional forces on fiber-reinforced thermoplastic filament 有权

    公开(公告)号：US10046511B1

    公开(公告)日：2018-08-14

    申请号：US15854673

    申请日：2017-12-26

    申请人： Arevo, Inc.

    发明人： Chandrashekar Mantha

    IPC分类号： B33Y10/00 ,  B33Y30/00 ,  B29C64/314 ,  B29C64/118 ,  B29C64/393 ,  B33Y70/00 ,  B33Y50/02

    摘要： An apparatus and method for managing bending and other applied forces that are exerted on a filament of thermoplastic with reinforcing fibers in a 3D printing system during the deposition process that is associated with the manufacturing of an object. The quality of the manufactured object is enhanced through a process that comprises i) applying torque to certain portions of the solid filament in a manner that is commensurate with the expected motions of the deposition head while depositing those portions, but only after ii) heating each portion to a sufficient temperature. A heating device and a twisting device act on the filament while it is moving toward the deposition point and while under the control of a controller that is operating according to a computer model of the object being manufactured.

    Filament inspection system
    5.
    发明授权
    Filament inspection system 有权

    公开(公告)号：US10290091B1

    公开(公告)日：2019-05-14

    申请号：US16029043

    申请日：2018-07-06

    申请人： Arevo, Inc.

    发明人： Saeed Heysiattalab ,  Chandrashekar Mantha ,  Mohammad Dadkhah Tehrani ,  Michael Peter Thompson

    IPC分类号： G06T7/00 ,  G01N27/22 ,  G01B11/24

    摘要： A filament inspection system is disclosed that gathers empirical data on the physical and chemical properties of filament. The illustrative embodiments need only a single video camera and two mirrors to image all of the exterior surfaces of one or more filaments simultaneously. These images can be used to analyze the physical properties of the filament. Furthermore, the illustrative embodiments need only a simple electrical network to gather empirical data on the permittivity of each segment of filament, which gives insights into the chemical properties of the filament. For example, embodiments of the present invention are particularly well suited for inspecting fiber-reinforced thermoplastic filament, and variations in the number, dispersion, wetting, and length of the fibers are all observable in variations in permittivity.

    SYSTEMS AND METHODS FOR STRUCTURALLY ANALYZING AND PRINTING PARTS
    7.
    发明申请
    SYSTEMS AND METHODS FOR STRUCTURALLY ANALYZING AND PRINTING PARTS 审中-公开

    公开(公告)号：US20180043635A1

    公开(公告)日：2018-02-15

    申请号：US15479055

    申请日：2017-04-04

    申请人： Arevo, Inc.

    发明人： Chandrashekar Mantha ,  Peter Woytowitz ,  Wiener Mondesir ,  Hemant Bheda

    IPC分类号： B29C67/00 ,  B33Y10/00 ,  B33Y50/02

    CPC分类号： B33Y50/02 ,  B29C64/106 ,  B29C64/386 ,  B33Y10/00 ,  B33Y50/00

    摘要： Methods and systems are disclosed for structurally analyzing and/or three-dimensional printing a part. The method may comprise receiving a model of the part for three-dimensional printing from a material comprising a matrix, receiving one or more properties for the material, and using the model, determining a print head tool path for use during the three-dimensional printing of the part. The method may also comprise determining a trajectory of at least one stiffness-contributing portion of the material based at least in part on the print head tool path, determining a performance of the part based at least in part on the one or more properties and the trajectory, and electronically outputting the performance of the part.

    Systems and methods for structurally analyzing and printing parts
    9.
    发明授权
    Systems and methods for structurally analyzing and printing parts 有权

    公开(公告)号：US10857778B2

    公开(公告)日：2020-12-08

    申请号：US15479055

    申请日：2017-04-04

    申请人： Arevo, Inc.

    发明人： Chandrashekar Mantha ,  Peter Woytowitz ,  Wiener Mondesir ,  Hemant Bheda

    IPC分类号： B33Y50/02 ,  B33Y10/00 ,  B29C64/106 ,  B33Y50/00 ,  B29C64/386 ,  B29C64/118

    摘要： Methods and systems are disclosed for structurally analyzing and/or three-dimensional printing a part. The method may comprise receiving a model of the part for three-dimensional printing from a material comprising a matrix, receiving one or more properties for the material, and using the model, determining a print head tool path for use during the three-dimensional printing of the part. The method may also comprise determining a trajectory of at least one stiffness-contributing portion of the material based at least in part on the print head tool path, determining a performance of the part based at least in part on the one or more properties and the trajectory, and electronically outputting the performance of the part.

    Depositing portions of fiber-reinforced thermoplastic filament while alleviating torsional forces
    10.
    发明授权
    Depositing portions of fiber-reinforced thermoplastic filament while alleviating torsional forces 有权

    公开(公告)号：US10239257B1

    公开(公告)日：2019-03-26

    申请号：US16011567

    申请日：2018-06-18

    申请人： Arevo, Inc.

    发明人： Chandrashekar Mantha

    IPC分类号： B33Y10/00 ,  B33Y30/00 ,  B29C64/314 ,  B33Y50/02 ,  B33Y70/00 ,  B29C64/393 ,  B29C64/118

    摘要： An apparatus and method for managing bending and other applied forces that are exerted on a filament of thermoplastic with reinforcing fibers in a 3D printing system during the deposition process that is associated with the manufacturing of an object. The quality of the manufactured object is enhanced through a process that comprises i) applying torque to certain portions of the solid filament in a manner that is commensurate with the expected motions of the deposition head while depositing those portions, but only after ii) heating each portion to a sufficient temperature. A heating device and a twisting device act on the filament while it is moving toward the deposition point and while under the control of a controller that is operating according to a computer model of the object being manufactured.