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    STACKING PLAN CREATING METHOD
    3.
    发明公开
    STACKING PLAN CREATING METHOD 审中-公开

    公开(公告)号：EP4219058A1

    公开(公告)日：2023-08-02

    申请号：EP21885881.9

    申请日：2021-10-11

    申请人： KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)

    发明人： HUANG Shuo ,  CHIKAGUCHI, Satoshi

    IPC分类号： B23K15/00 ,  B23K26/21 ,  B23K26/34 ,  B33Y50/02 ,  B23K9/032 ,  B23K9/04 ,  B23K9/16 ,  B22F10/85

    摘要： The present invention sets a target shape from three-dimensional shape data of a stacked structure and divides the set target shape into a plurality of bead models having shapes corresponding to welded beads. An amount of a filler material that drips down to a lower layer during bead formation in a bead stacking section in which the divided bead models are stacked in the top-to-bottom direction is predicted in accordance with welding conditions for the welded beads. Respective bead heights of the bead models in the bead stacking section are corrected in accordance with the predicted dripping amount. A stacking plan for modeling the stacked structure is created by employing a plurality of bead models including the bead models having the corrected heights.

    MANUFACTURING METHOD FOR ADDITIVE MANUFACTURED ARTICLE AND ADDITIVE MANUFACTURED ARTICLE
    5.
    发明公开
    MANUFACTURING METHOD FOR ADDITIVE MANUFACTURED ARTICLE AND ADDITIVE MANUFACTURED ARTICLE 审中-公开

    公开(公告)号：EP3954487A1

    公开(公告)日：2022-02-16

    申请号：EP20805252.2

    申请日：2020-04-24

    申请人： Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)

    发明人： HUANG Shuo ,  SATO Shinji ,  HIDA Masatoshi

    IPC分类号： B23K9/04 ,  B22F3/105 ,  B22F3/11 ,  B22F3/16 ,  B23K9/032 ,  B33Y10/00

    摘要： Provided is an additive manufactured article and a manufacturing method for an additive manufactured article that can fabricate the additive manufactured article by efficiently forming weld beads without incurring such defects as sagging and humping. The manufacturing method for an additive manufactured article forms a manufactured article by layering a plurality of weld beads onto a base part, the weld beads being made of filler material that has been melted and solidified, wherein the manufacturing method includes a support bead forming step in which a support bead is formed on the base part and a layering step in which weld beads are layered onto the support bead. In the support bead forming step, a ratio H/W of the height H and the width W of the support bead is 0.35 or larger in a case where the support bead is formed to be tilted from the vertical direction.

    SUBMERGED ARC WELDING METHOD WITH MULTIPLE ELECTRODES FOR STEEL MATERIAL
    8.
    发明授权
    SUBMERGED ARC WELDING METHOD WITH MULTIPLE ELECTRODES FOR STEEL MATERIAL 有权
    用于钢材的多电极埋弧焊接方法

    公开(公告)号：EP2255915B1

    公开(公告)日：2018-04-11

    申请号：EP09713534.7

    申请日：2009-02-19

    申请人： JFE Steel Corporation

    发明人： ISHIGAMI, Atsushi ,  OI, Kenji ,  HAYAKAWA, Naoya

    IPC分类号： B23K9/18 ,  B23K9/00 ,  B23K9/025 ,  B23K9/032 ,  B23K101/06

    CPC分类号： B23K9/188 ,  B23K9/0253 ,  B23K9/0282 ,  B23K2101/06 ,  B23K2103/04

    摘要： Provided is a multiple-electrode submerged arc welding method, for steel, suitable for welding in the manufacture of large-diameter steel pipes, such as UOE steel pipes or spiral steel pipes, formed of base materials ranging in thickness from 10 to 50 mm. Specifically, steel is subjected to multiple-electrode submerged arc welding with three or more electrodes in which a direct-current power source is used to supply current to a first electrode, the welding by the first electrode is carried out at a current density of 250 A/mm 2 or more, preferably with a wire diameter of 3.2 mm or less and a weld current of 1,000 A or more, the welding by the second electrode is carried out at a current density of 150 A/mm 2 or more, preferably with a weld current of 600 A or more, one of the interelectrode spacings is 23 mm or more on a surface of the steel, and the remaining interelectrode spacings are 20 mm or less.

    STEPPED DESIGN WELD JOINT PREPARATION
    9.
    发明公开
    STEPPED DESIGN WELD JOINT PREPARATION 审中-公开
    HERSTELLUNG EINER SCHWEISSVERBINDUNG MIT GESTUFTEM设计

    公开(公告)号：EP3096916A1

    公开(公告)日：2016-11-30

    申请号：EP15739795.1

    申请日：2015-01-26

    申请人： Electric Power Research Institute, Inc.

    发明人： SIEFERT, John Albert ,  PARKER, Jonathan David

    IPC分类号： B23K9/00 ,  B23K9/032 ,  B23K33/00

    CPC分类号： B23K9/232 ,  B23K9/02 ,  B23K33/004 ,  B23K2203/04 ,  F16B5/08

    摘要： A weld with a stepped configuration is provided. The stepped configuration may be machined from a substrate to form a weld preparation which may accommodate a stepped weld. The weld with a stepped configuration and a controlled procedure exhibits improved service life and improved damage tolerance. A welded joint with a stepped configuration, a joined component with a stepped configuration, and method of welding a stepped configuration are also provided.

    摘要翻译： 提供了具有阶梯式结构的焊缝。 可以从衬底加工阶梯构造以形成可容纳阶梯式焊缝的焊接制品。 具有阶梯式结构和受控程序的焊缝具有改善的使用寿命和改善的损伤容限。 还提供了具有阶梯状构造的焊接接头，阶梯构造的接合部件和阶梯构造的焊接方法。