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1
CN109550947B
一种基于超高频感应加热的金属沉积成形方法及装置
Grant
Publication/Patent Number: CN109550947B Publication Date: 2021-02-09 Application Number: 201710881116.4 Filing Date: 2017-09-26 Inventor: 石永军   孙瑞   李琪   王瑞海   孙学明   Assignee: 中国石油大学(华东)   IPC: B22F3/105 Abstract: 本发明公开了一种基于超高频感应加热技术的金属沉积成形方法,利用超高频感应加热电源,在感应线圈附近产生高频交变磁场,将金属丝材送入感应线圈中心,金属丝材在交变磁场作用下其内部产生感应涡流,通过涡流热作用熔化金属丝材,逐层堆积,形成金属沉积成形件。本发明还公开了一种基于超高频感应加热技术的金属沉积成形装置,包括超高频感应加热电源、感应线圈、送丝装置、金属丝材、移动滑块、沉积成形件、基板、移动平台、导轨、保护气氛箱、保护气气瓶、冷却机、控制系统。采用本发明的方法和装置,可快速成形具有复杂结构的金属零件,设备热能转化率高,成本低,可极大地降低增材制造技术成本,有利于增材制造技术在工业领域的大规模推广。
2
CN108290220B
用于增材制造工艺控制的系统和方法
Grant
Publication/Patent Number: CN108290220B Publication Date: 2021-01-22 Application Number: 201680070101.3 Filing Date: 2016-07-25 Inventor: J.a.小比彻姆   S.a.阿比茨   Assignee: 通用电气公司   IPC: B22F3/105 Abstract: 一种用于增材制造系统的工艺控制的方法包括:监视在制品的制造期间产生的火花羽流;捕获火花羽流的至少一个图像;从该至少一个图像导出图像数据;馈送图像数据到统计工艺控制模块中;以及如果图像数据超出预定控制界限则生成警示。
3
US2021008622A1
FEEDSTOCKS FOR ADDITIVE MANUFACTURING, AND METHODS OF USING THE SAME
Publication/Patent Number: US2021008622A1 Publication Date: 2021-01-14 Application Number: 17/025,764 Filing Date: 2020-09-18 Inventor: Martin, John H.   Yahata, Brennan D.   Assignee: HRL Laboratories, LLC   IPC: B22F3/105 Abstract: Some variations provide a method of making an additively manufactured metal component, comprising: providing a feedstock that includes a high-vapor-pressure metal; exposing a first amount of the feedstock to an energy source for melting; and solidifying the melt layer, thereby generating a solid layer of an additively manufactured metal component. The metal-containing feedstock is enriched with a higher concentration of the high-vapor-pressure metal compared to its concentration in the additively manufactured metal component. The high-vapor-pressure metal may be selected from Mg, Zn, Li, Al, Cd, Hg, K, Na, Rb, Cs, Mn, Be, Ca, Sr, or Ba, for example. Additively manufactured metal components are provided. Metal-containing feedstocks for additive manufacturing are also disclosed, wherein concentration of at least one high-vapor-pressure metal in the feedstock is selected based on a desired concentration of the high-vapor-pressure metal in an additively manufactured metal component derived from the metal-containing feedstock. Various feedstock compositions are disclosed.
4
EP3758868A1
DEVICE FOR PRODUCING A MOULDED BODY
Publication/Patent Number: EP3758868A1 Publication Date: 2021-01-06 Application Number: 19708064.1 Filing Date: 2019-02-25 Inventor: Fockele, Matthias   Assignee: Realizer GmbH   IPC: B22F3/105
5
CN108788141B
选择性激光融化设备及打印方法
Grant
Publication/Patent Number: CN108788141B Publication Date: 2021-03-02 Application Number: 201710296626.5 Filing Date: 2017-04-28 Inventor: 李长鹏   姚志奇   陈国锋   Assignee: 西门子公司   IPC: B22F3/105 Abstract: 本发明提供了选择性激光融化设备及打印方法,其中,包括:一激光光源,其设置于选择性激光融化设备上方,充当金属粉末的加热源;一送粉缸,其下部有一个能够上下移动的第一活塞,一成型缸,其中,包括:一第二活塞,其位于成型缸下部,能够上下移动;一打印板,其固定于所述第二活塞上表面中间区域,并能够随着所述第二活塞的移动而移动;一密封板,其为中空板,设置于所述成型缸的上部的外围区域。本发明能够适用于打印不同形状的打印件,节约了价格昂贵的金属粉末。本发明能够重复将金属粉末容纳空间以外的金属粉末回收至回收缸,进一步节约了金属粉末的使用。本发明提高了打印质量。
6
EP3356068B1
SYSTEM AND METHOD FOR ADDITIVE MANUFACTURING PROCESS CONTROL
Publication/Patent Number: EP3356068B1 Publication Date: 2021-02-17 Application Number: 16756824.5 Filing Date: 2016-07-25 Inventor: Beacham, Jr. Jimmie Autrey   Abitz, Steven Adam   Assignee: General Electric Company   IPC: B22F3/105
7
US2021039164A1
Laser Assisted, Selective Chemical Functionalization of Laser Beam Powder Bed Fusion Fabricated Metals and Alloys to Produce Complex Structure Metal Matrix Composites
Publication/Patent Number: US2021039164A1 Publication Date: 2021-02-11 Application Number: 16/988,943 Filing Date: 2020-08-10 Inventor: Morton, Philip A.   Murr, Lawrence E.   Wicker, Ryan   Taylor, Hunter   Terrazas, Cesar   Assignee: Board of Regents, The University of Texas System   IPC: B22F3/105 Abstract: A method of additive manufacturing is provided. The method comprises first forming a part injecting a first gas into a build chamber and depositing a first layer of metal-containing powder over a build platform. The first layer of powder is melted a laser and then cooled. The above steps can be optionally repeated to build additional layers. A coating is formed on the surface of the part by injecting a second, different gas into the chamber over the surface of the part. A portion of the surface is selectively heated with a second laser device, thereby chemically altering the heated portion to form the coating. After forming the coating, an additional aliquot of the first gas is injected into the chamber while venting the second gas from the chamber.
8
CN212384600U
镁合金3D打印装置控制系统
Grant
Publication/Patent Number: CN212384600U Publication Date: 2021-01-22 Application Number: 202021874841.2 Filing Date: 2020-09-01 Inventor: 石海   安国进   黄斌   钟智   王长斌   Assignee: 贵州航天风华精密设备有限公司   IPC: B22F3/105 Abstract: 本实用新型提供了一种镁合金3D打印装置控制系统,包括控制器,控制器输入端分别连接有氧含量检测器,压力检测器,输出端分别连接有继电器、补气阀、排气阀,控制器接收氧含量检测器、压力检测器输入的信号,向继电器发出接通或断开的控制信号,以及向补气阀、排气阀发出增大或减小开度的控制信号。通过实时监测3D打印机内的氧含量、压力环境,及时发出断电、调节压力的反馈信号,支持3D打印装置的长时间安全运行。另外,控制器输入端还连接有补气流量计、排气流量计或循环流量计,用于反馈控制3D打印机进气、出气流量。
9
CN110253018B
一种金属表面多级微结构的成形方法及产品
Grant
Publication/Patent Number: CN110253018B Publication Date: 2021-01-05 Application Number: 201910581643.2 Filing Date: 2019-06-30 Inventor: 张李超   汤名锴   史玉升   Assignee: 华中科技大学   IPC: B22F3/105 Abstract: 本发明属于表面微结构制备的技术领域,并公开了一种金属表面多级微结构的成形方法及产品。待成形微结构设置基板上,为单层或者多层结构,每层微结构中设置有规则且有序分布的宽度小于等于200μm的条状微单元;待成形微结构的成形方法包括:(a)将基板进行表面处理;按照待成形微结构的层数划分切片层,设定切片层的铺粉厚度,规划切片层的成形路径,(b)以基板作为成形平面,从下自上逐层采用激光选区熔化成形切片层,以此在基板上获得所需的微结构。通过本发明,实现大面积金属表面规则有序多级微结构快速、高精度制备,适用于钛合金、铝合金、不锈钢、镍基合金等多种常见金属材料,且工艺简单。
10
CN106994511B
功能元件构造体的三维制造方法及功能元件构造体
Grant
Publication/Patent Number: CN106994511B Publication Date: 2021-02-05 Application Number: 201710040384.3 Filing Date: 2017-01-18 Inventor: 石田方哉   鎌仓知之   冈本英司   宫下武   Assignee: 精工爱普生株式会社   IPC: B22F3/105 Abstract: 公开了一种功能元件构造体的三维制造方法及功能元件构造体,可使功能元件部与绝缘性部件的接触部位产生的接缝消除并获得稳定特性。功能元件构造体具备具有端子的电气功能元件部和在至少使端子外露的状态下设置在功能元件部的周围的绝缘性部件,三维制造方法具备:层形成工序,从第一供给部供给包含功能元件部用的材料即第一粒子的第一流动性组合物,从第二供给部供给包含绝缘性部件用的材料即第二粒子的第二流动性组合物,在层形成区域形成一个层;造型工序,在层叠方向重复层形成工序,对功能元件构造体进行造型;以及固化工序,对层中的第一粒子及第二粒子赋予能量进行固化。
11
EP3368236B1
LIGHT RECYCLING FOR ADDITIVE MANUFACTURING OPTIMIZATION
Publication/Patent Number: EP3368236B1 Publication Date: 2021-01-20 Application Number: 16860878.4 Filing Date: 2016-10-28 Inventor: Demuth, James A.   Toomre, Erik   Leard, Francis L.   Kamshad, Kourosh   Fees, Heiner   Berdichevsky, Eugene   Assignee: Seurat Technologies, Inc.   IPC: B22F3/105
12
CN212419634U
一种金属增材制造的在线检测系统和金属增材制造装置
Grant
Publication/Patent Number: CN212419634U Publication Date: 2021-01-29 Application Number: 202020471402.0 Filing Date: 2020-04-03 Inventor: 曾志伟   丁鹏程   Assignee: 厦门大学   IPC: B22F3/105 Abstract: 本实用新型公开了一种金属增材制造的在线检测系统和金属增材制造装置,涉及金属增材制造领域,所述在线检测系统包括非扫查式阵列涡流探头、移动机构和检测控制系统,其中:非扫查式阵列涡流探头包括多个涡流线圈,涡流线圈为单层或多层,其中每层成一定排列规则面状分布于非扫查式阵列涡流探头的检测侧,形成检测面;移动机构用于在增材制造的检测周期内将非扫查式阵列涡流探头移动至增材制造的打印区域上方,使其检测面覆盖整个打印区域,并在检测结束后,将非扫查式阵列涡流探头从打印区域上方移开;检测控制系统用于控制移动机构及控制非扫查式阵列涡流探头的移动和检测。本系统具有效率高、操作简单、提离小、灵敏度高、信噪比高等特点。
13
US2021016499A1
IN SITU PARTIALLY DEGRADABLE SEPARATION INTERFACE FOR FABRICATION OF COMPLEX NEAR NET SHAPE OBJECTS BY PRESSURE ASSISTED SINTERING
Publication/Patent Number: US2021016499A1 Publication Date: 2021-01-21 Application Number: 17/042,176 Filing Date: 2019-03-27 Inventor: Olevsky, Eugene   Maniere, Charles   Assignee: UNITED STATES OF AMERICA has certain rights in the invention from DOE Grant No. DE-SC0008581   IPC: B29C64/153 Abstract: The invention relates to a process for fabricating complex mechanical shapes, and in particular to fabricating complex mechanical shapes using a pressure-assisted sintering technique to address problems relating to variations in specimen thickness and tooling, or densification gradients, by 3-D printing of a polymer model that is surrounded by and filled with sintering powder material, wherein the 3-D polymer model decomposed into a graphite interface layer and facilitates release of the cast, e.g. metal, metal-alloy, ceramic, etc., manufactured item.
14
CN212398128U
选择性激光烧结设备的粉末回收循环系统
Grant
Publication/Patent Number: CN212398128U Publication Date: 2021-01-26 Application Number: 201922404905.6 Filing Date: 2019-12-27 Inventor: 杨琢   周智阳   陈亮   Assignee: 湖南华曙高科技有限责任公司   IPC: B22F3/105 Abstract: 本实用新型涉及一种选择性激光烧结设备的粉末回收循环系统。选择性激光烧结设备的粉末回收循环系统包括动力装置、分离罐、储料罐、输送罐及第一回收罐,分离罐的排料端与储料罐的进料端连通;储料罐的排料端输送罐的进料端连通,输送罐的排气端与分离罐的进料端连通;第一回收罐的排料端与分离罐的进料端连通;动力装置的排气口与储料罐的排料端及第一回收罐的排料端连通,动力装置的抽气口与分离罐的排气端连通。本实用新型提供的选择性激光烧结设备的粉末回收循环系统,在动力装置的作用下,使粉末在储料罐、输送罐及分离罐之间作循环运动和在第一回收罐及分离罐之间作循环运动,故使粉末回收操作简单、劳动强度小且安全性好。
15
CN112166004A
3D打印机用金属粉、造型物及造型物的制造方法
Substantial Examination
Publication/Patent Number: CN112166004A Publication Date: 2021-01-01 Application Number: 201980035725.5 Filing Date: 2019-05-29 Inventor: 沟部雅恭   山本慎一   井野忠   田中徹   中野秀士   Assignee: 株式会社东芝   东芝高新材料公司   IPC: B22F3/16 Abstract: 3D打印机用金属粉具备多个金属粒子。多个金属粒子的粒度分布在1μm至200μm的粒径范围内具有最大峰。粒度分布中的累积比例按体积比例计为90%的粒径D与累积比例按体积比例计为10%的粒径D的差D-D为10μm以上。
16
CN212598869U
用于增材制造零件的支撑机构
Grant
Publication/Patent Number: CN212598869U Publication Date: 2021-02-26 Application Number: 202020521222.9 Filing Date: 2020-04-10 Inventor: 常斐   雷力明   何艳丽   李雅莉   薛珈琪   任佳文   Assignee: 中国航发商用航空发动机有限责任公司   IPC: B22F3/105 Abstract: 本实用新型提供了一种用于增材制造零件的支撑机构,其包括第一网格支撑件、实体支撑件和第二网格支撑件,所述第一网格支撑件与所述实体支撑件的上部连接,所述第二网格支撑件与所述实体支撑件的下部连接,形成夹层结构;所述支撑机构用于待增材制造的中空结构中,所述实体支撑件和所述中空结构的上部之间通过所述第一网格支撑件连接支撑,所述实体支撑件和所述中空结构的下部之间通过所述第二网格支撑件连接支撑。本实用新型不仅节省打印时间,还可以提高粉末利用率。同时内部对穿孔的设计,可进一步减小网格支撑的体积,从而减小打印时间及金属粉末的浪费,降低零件的成本。
17
CN107042308B
一种用于铺粉式选区熔融设备成型缸的防塞粉装置
Grant
Publication/Patent Number: CN107042308B Publication Date: 2021-03-16 Application Number: 201710285560.X Filing Date: 2017-04-27 Inventor: 张永志   刘富荣   陈继民   王文椿   石梓远   晏恒峰   曾勇   Assignee: 北京工业大学   IPC: B22F3/105 Abstract: 本发明公开了一种用于铺粉式选区熔融设备成型缸的防塞粉装置,特别涉及一种将四个薄板连接起来的卡扣的设计方案,主要目的在于:成型基板下降过程中带动矩形环四个边上的四个薄板向下移动,相邻两个薄板通过矩形环四个角上的卡扣进行垂直连接,并配合底部的矩形薄板共同组成一个长方体成型仓,使成型基板、成型件和粉末全部置于其中。与现有成型仓机构相比,该机构通过四个薄板将成型基板与成型缸四壁隔开,并将成型基板和金属粉末置于由四个薄板和底部薄板组成的封闭槽内,这样在保证成型基板能够向下移动的同时又使成型基板和粉末与成型仓四壁相隔离,避免了粉末堆塞在成型基板和成型仓四壁之间,进而发生塞粉。
18
CN112584998A
用于增材制造系统的下部气体流注入系统和方法
Public
Publication/Patent Number: CN112584998A Publication Date: 2021-03-30 Application Number: 201980054644.X Filing Date: 2019-08-21 Inventor: 克里斯蒂安·托马斯·韦克拉姆   雷内·杜·考兹·德·纳泽尔   穆罕默德·穆尼尔·沙拉贝   基肖尔·罗摩克里希南   詹斯·斯塔姆贝格尔   Assignee: 通用电气公司   IPC: B29C64/371 Abstract: 一种增材制造(AM)系统(10),包括:壳体(18),其限定室(20);构建平台(22),其在第一高程(150)处设置在室(20)中;和下部气体入口(98),其设置在第二高程(152)处并且被构造为供应下部气体流(114)。AM系统(10)包括在下部气体入口(98)和构建平台(22)之间延伸的轮廓表面(118),以将下部气体流(114)从下部气体入口(98)处的第二高程(152)引导到构建平台(22)处的第一高程(150),其中,轮廓表面(118)在基本上平行于构建平台(22)的方向(11)上排放下部气体流(98)。AM系统(10)还包括:一个或多个气体输送装置(92),其联接到下部气体入口(98)以调节下部气体流(98)的一个或多个流动特性;和气体出口(132),其被构造为排放下部气体流(114)。
19
US2021086264A1
SEALING COMPONENT, IN PARTICULAR FOR SEALING A VAPOR CHAMBER WITH RESPECT TO THE SURROUNDINGS OR TWO VAPOR CHAMBERS HAVING DIFFERENT PRESSURES, AND USE THEREOF
Publication/Patent Number: US2021086264A1 Publication Date: 2021-03-25 Application Number: 16/603,679 Filing Date: 2018-03-14 Inventor: Bell, Ralf   Bergmann, Anett   Bieniakonski, Christoph   Busschulte, Marius   Ernst, Stephan   Kocdemir, Bora   Legenbauer, Markus   Maguire, Adam   Oehmichen, Michael   Ostwald, Daniel   Stanka, Ulrich   Ulma, Andreas   Van, Der Lest Niclas   Assignee: Siemens Aktiengesellschaft   IPC: B22F3/105 Abstract: Provided is a sealing component, in particular for sealing a vapor chamber with respect to the surroundings or two vapor chambers having different pressures, including at least one ring- or ring-segment-shaped main body, which is at least substantially U-shaped in cross-section and which has two end-face walls and a lateral wall connecting the two end-face walls, a support structure being provided within the main body, which support structure connects the two end-face walls to each other.
20
US2021008620A1
Method And System For Manufacturing Small Adaptive Engines
Publication/Patent Number: US2021008620A1 Publication Date: 2021-01-14 Application Number: 16/893,640 Filing Date: 2020-06-05 Inventor: Ziegenfuss, Stephen   Eonta, Christopher Paul   Latour, Andrew Vanos   Assignee: MOLYWORKS MATERIALS CORPORATION   IPC: B22F3/105 Abstract: A method for manufacturing small adaptive engines uses a battlefield repository having cloud services that is configured to enable additive manufacturing (AM) of engine parts and assemblies. The method also uses a compilation of recipes/signatures for building the engine parts and the assemblies using additive manufacturing (AM) processes and machine learning programs. An additive manufacturing system and an alloy powder suitable for performing the additive manufacturing (AM) processes can be provided. In addition, the engine parts can be built using the additive manufacturing (AM) system, the alloy powder, the battlefield repository and the compilation of recipes/signatures. A system for manufacturing small adaptive engines includes the battlefield repository, the compilation of recipes/signatures, a foundry system for providing the alloy powder and an additive manufacturing (AM) system configured to perform the additive manufacturing (AM) processes.
Total 500 pages