Composite radius filler manufacturing methods and related systems

    公开(公告)号:US11472087B2

    公开(公告)日:2022-10-18

    申请号:US16364167

    申请日:2019-03-25

    发明人: Fei Cai Weidong Song

    摘要: The present disclosure relates to systems and methods relating to the application of composite radius filler materials. An example material feed system includes a material container configured to contain a composite material and a material feed actuator. The material feed system also includes a nozzle coupled to the material container and a workpiece sensor configured to provide information about a workpiece. The material feed system also includes a controller. The controller is configured to receive, from the workpiece sensor, workpiece information. The workpiece information is indicative of at least one surface of the workpiece. The controller is also configured to, based on the workpiece information, cause the material feed actuator to apply a force to the composite material contained in the material container so as to extrude at least a portion of the composite material out of the nozzle and onto a surface of the workpiece.

    FABRICATION OF HOLLOW FIBER MATERIALS HAVING SEALED CHAMBERS

    公开(公告)号:US20210260807A1

    公开(公告)日:2021-08-26

    申请号:US16801327

    申请日:2020-02-26

    发明人: Weidong Song

    摘要: Systems and methods are provided for fabricating and utilizing segmented hollow fibers. One embodiment is a method for fabricating a hollow fiber. The method includes disposing injection needles at orifices of a die, loading the die with a pool of molten material, driving the molten material through the orifices of the die, and iteratively injecting a gas into the molten material at the orifices via the injection needles and pausing injecting the gas as the molten material is driven through the orifices of the die, resulting in discrete hollow chambers within molten material exiting the die. The method also includes cooling the molten material into a hollow fiber that includes the discrete hollow chambers.

    Composite Materials Cured With Thermoplastic Thin Film Coating

    公开(公告)号:US20180311702A1

    公开(公告)日:2018-11-01

    申请号:US15583322

    申请日:2017-05-01

    发明人: Weidong Song

    IPC分类号: B05D7/00 B05D3/00

    摘要: Methods, systems and apparatuses are disclosed for making composite prepreg stacks comprising an outer layer of thermoplastic film that is co-cured with the thermoplastic layer comprising a compressive force on the composite material, along with coated composite materials and larger structures comprising the coated composite materials made according to the disclosed methods.

    APPARATUSES AND METHODS FOR CONSOLIDATING FIBER-REINFORCED RESIN MATERIAL

    公开(公告)号:US20230127079A1

    公开(公告)日:2023-04-27

    申请号:US18068595

    申请日:2022-12-20

    发明人: Fei Cai Weidong Song

    IPC分类号: B29C70/44 B29C70/54

    摘要: An apparatus for consolidating fiber-reinforced resin material comprises a housing, comprising a barrel and a receptacle. The receptacle comprises a base, a lid, positionable relative to the base and relative to the barrel such that the housing is in an open state or a closed state, and a de-gassing port. The apparatus comprises a gasket that is in contact with the lid, the base, and the barrel when the housing is in the closed state. The apparatus comprises a piston, movable between a retracted position, in which the piston, in its entirety, is in the barrel, and an extended position, in which a portion of the piston is in the receptacle and another portion of the piston is in the barrel. The apparatus comprises a seal, which is in contact with the piston and the barrel, and a drive system, configured to control movement of the piston.