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41
CN112223748A
一种铺粉均匀的3D打印机
Public
Publication/Patent Number: CN112223748A Publication Date: 2021-01-15 Application Number: 202011011306.9 Filing Date: 2020-09-23 Inventor: 娄科锋   王伟   应渔锋   尹国庆   金兴江   王彦锋   朱旭峰   Assignee: 浙江精功机器人智能装备有限公司   IPC: B29C64/153 Abstract: 本发明公开了一种铺粉均匀的3D打印机,机体内部的台面上设置有对打印工作区,打印工作区包括开设在台面上的升降槽以及与升降槽相匹配且可在升降槽内上下调节移动的升降基板,升降基板的固定梁下方的机体内开设有回收槽,打印工作区四周的台面上均开设有条形的收集槽,收集槽用于回收刮板刮到打印工作区外的粉料,粉料能够通过回收通道落入回收槽内,回收方便;在铺粉装置工作时,电机控制铺粉筒转动,使条形开口连通储粉盒内的条形进料口,对储粉腔内进行加粉操作,然后在电机控制铺粉筒转动,使条形开口与条形铺粉口连通,铺粉装置在线性移动导轨匀速移动的同时,粉料从条形铺粉口均匀洒落。
42
US10882111B2
Apparatus for fusing of multiple layers in additive manufacturing
Publication/Patent Number: US10882111B2 Publication Date: 2021-01-05 Application Number: 15/212,098 Filing Date: 2016-07-15 Inventor: Ng, Hou T.   Patibandla, Nag B.   Joshi, Ajey M.   Swaminathan, Bharath   Kumar, Ashavani   Ng, Eric   Frey, Bernard   Krishnan, Kasiraman   Assignee: Applied Materials, Inc.   IPC: B22F3/10 Abstract: Additive manufacturing includes successively forming a plurality of layers on a support. Depositing a layer from the plurality of layers includes dispensing first particles, selectively dispensing second particles in selected regions corresponding to a surface of the object, and fusing at least a portion of the layer. The layer has the first particles throughout and the second particles in the selected regions. Alternatively or in addition, forming the plurality of layers includes depositing multiple groups of layers. Depositing a group of layers includes, for each layer in the group of layers dispensing a feed material to provide the layer, and after dispensing the feed material and before dispensing a subsequent layer fusing a selected portion of the layer. After all layers in the group of layers are dispensed, a volume of the group of layers that extends through all the layers in the group of layers is fused.
43
US2021001562A1
METHOD OF WELDING ADDITIVELY MANUFACTURED THERMOPLASTIC
Publication/Patent Number: US2021001562A1 Publication Date: 2021-01-07 Application Number: 16/458,746 Filing Date: 2019-07-01 Inventor: Brown, Ricardo O.   Assignee: Hamilton Sundstrand Corporation   IPC: B29C65/08 Abstract: A method of forming a component includes additively manufacturing a first subcomponent, the first subcomponent including a first polymer material with a first porosity. The method further includes mating the first subcomponent with a second subcomponent and ultrasonically welding the first subcomponent to the second subcomponent at a weld frequency. The first porosity can be 5% or less.
44
US10882215B2
Processes for producing polymer powders
Publication/Patent Number: US10882215B2 Publication Date: 2021-01-05 Application Number: 16/066,320 Filing Date: 2016-12-21 Inventor: Pedicini, Angelo   Clay, Bruce   Brule, Benoit   Assignee: Arkema Inc.   IPC: B33Y70/00 Abstract: The present disclosure is directed to improved poly(arylene ether ketone) powders for use in laser sintering.
45
US10882113B2
Apparatus for additive manufacturing of three-dimensional objects
Publication/Patent Number: US10882113B2 Publication Date: 2021-01-05 Application Number: 16/145,384 Filing Date: 2018-09-28 Inventor: Stammberger, Jens   Hofmann, Alexander   Winiarski, Daniel   Assignee: Concept Laser GmbH   IPC: B22F3/10 Abstract: An apparatus (1) for additive manufacturing of three-dimensional objects (3) by successive, selective layer-by-layer exposure and thus successive, selective layer-by-layer solidification of construction material layers of construction material (4) that can be solidified by means of an energy beam. The apparatus can include a process chamber (14) comprising a working plane (A) with a first working plane area (A1) and another working plane area (A2), a coating device (6) provided for forming construction material layers to be exposed selectively and to be solidified selectively in the construction plane (E) and comprising a coating element assembly group (8) which is movably supported, at least one coating element, a shielding device (18) provided for shielding the second working plane area (A2), wherein the shielding device (18) can include at least one shielding band (20) guided movably along supporting points (19).
46
CN212264532U
复合结构
Grant
Publication/Patent Number: CN212264532U Publication Date: 2021-01-01 Application Number: 201921737302.1 Filing Date: 2019-10-16 Inventor: 布罗克·威廉·坦恩豪特恩   托马斯·塞缪尔·鲍登   乔恩·保罗·冈纳尔   Assignee: 戴弗根特技术有限公司   IPC: B22F3/105 Abstract: 本公开涉及复合结构,特别是增材制造(AM)复合结构,比如用于运输结构或其它机械化组件的板件。AM芯部可以针对板件的预期应用而被优化。在各种实施例中,比如强度、硬度、密度、能量吸收、延展性等的一个或更多个值可以在单个AM芯部中被优化,以在AM芯部上沿一个或更多个方向变化,以用于支撑预期载荷条件。在一实施例中,预期载荷条件可以包括从不同方向以多达三个维度施加到AM芯部或对应板件的力。在结构是板件的情况下,面板可以被固连到芯部的相应侧。AM芯部可以是定制蜂窝结构。在其它实施例中,面板可以具有传统上或通过增材制造形成的定制3D轮廓,以允许得到具有复杂轮廓的结构板件。AM芯部可以包括突起,以提供固定特征以允许外部连接。在其它实施例中,插入件、紧固件或内部通道可以与芯部共同打印。在再一些实施例中,AM芯部可以用于复合结构,例如转子叶片或车辆部件。
47
CN112223747A
一种铺粉式3D打印机
Public
Publication/Patent Number: CN112223747A Publication Date: 2021-01-15 Application Number: 202011008927.1 Filing Date: 2020-09-23 Inventor: 王伟   陈建华   骆盛来   金兴江   朱旭峰   Assignee: 浙江精功机器人智能装备有限公司   IPC: B29C64/153 Abstract: 一种铺粉式3D打印机,属于3D打印机技术领域;操作员通过手拉便携式储粉框上的手提开口即可提起便携式储粉框,定位孔与定位销配合使便携式储粉框的摆放位置得到定位,弹簧销使便携式储粉框不易向上移动;活动挡板触碰到工作仓的底部时向固定挡板内部回缩,当升降式成型平台上升时活动挡板被支撑弹簧向下撑开,升降式成型平台的上升高度高于机架箱体的上端面时,固定挡板和活动挡板起到围栏的作用,使粉末不易进入工作仓内;回粉槽使洒落于储粉仓和工作仓外侧的粉末掉落到槽内,通过电动振动棒的振动,实现筛网对使用后的粉末进行杂质筛选的效果,废物杂质通过打开闸门掉落至外回收箱,实现使用后的粉末得到高效回收的效果。
48
CN112236252A
粉末去除浮动结构
Public
Publication/Patent Number: CN112236252A Publication Date: 2021-01-15 Application Number: 201980038140.9 Filing Date: 2019-06-07 Inventor: 丹尼尔·杰森·埃诺   阿伦库马尔·纳塔拉詹   肯·伊夫卡·萨拉斯·诺布雷加   阿南达·巴鲁阿   Assignee: 通用电气公司   IPC: B22F3/105 Abstract: 制造的物品包括经由第一增材制造过程形成的零件结构和在零件结构内与零件结构机械地分离的浮动结构。浮动结构经由第一增材制造过程与零件结构同时形成。
49
CN109109314B
用于通过增材制造形成物件的设备和制造物件的方法
Grant
Publication/Patent Number: CN109109314B Publication Date: 2021-01-05 Application Number: 201810658822.7 Filing Date: 2018-06-22 Inventor: S.a.戈德   Assignee: 通用电气公司   IPC: B29C64/153 Abstract: 本公开大体上涉及用于在增材制造(AM)过程期间的化学气相沉积(CVD)的方法和设备。此类方法和设备可用于将化学标签嵌入到所制造物件中,且此类嵌入的化学标签可被发现用于防伪操作和通过多种材料的物件制造中。
50
CN112236255A
用于校准加工机的方法和加工机
Public
Publication/Patent Number: CN112236255A Publication Date: 2021-01-15 Application Number: 201980034490.8 Filing Date: 2019-03-22 Inventor: M·皮格   F·沙尔   M·阿伦贝里-拉贝   V·布利克勒   M·格龙勒   Assignee: 通快激光与系统工程有限公司   IPC: B22F10/28 Abstract: 本发明涉及一种用于校准加工机的方法,所述加工机用于通过辐射粉末层来制造三维构件,其中,所述加工机具有扫描装置,用于在加工区域中定位激光束,在所述加工区域中定位高度可调节的构造平台用于涂覆粉末层。本发明还涉及一种用于制造三维构件的对应加工机。
51
CN109311230B
处理表面以用于增材制造的方法、部件和设备
Grant
Publication/Patent Number: CN109311230B Publication Date: 2021-01-15 Application Number: 201780036499.3 Filing Date: 2017-06-01 Inventor: 大卫·鲁莱   Assignee: 西门子股份公司   IPC: B29C64/153 Abstract: 一种在增材制造中处理表面的方法,包括:通过用粉末状基础材料(2)的床进行增材制造来组装用于部件(10)的结构(1),使得该结构被设置有内表面(4)并且粉末状基础材料(2)覆盖内表面(4)的至少一部分;以及相对于结构(1)致动基础材料(2)使得内表面(4)通过基础材料(2)被机械地处理。此外,描述了由此制造的部件和设备。
52
US2021001404A1
Light Recycling For Additive Manufacturing Optimization
Publication/Patent Number: US2021001404A1 Publication Date: 2021-01-07 Application Number: 17/030,206 Filing Date: 2020-09-23 Inventor: Demuth, James A.   Toomre, Erik   Leard, Francis L.   Kamshad, Kourosh   Fees, Heiner   Berdichevsky, Eugene   Assignee: Seurat Technologies, Inc.   IPC: B22F3/105 Abstract: A method and an apparatus pertaining to recycling and reuse of unwanted light in additive manufacturing can multiplex multiple beams of light including at least one or more beams of light from one or more light sources. The multiple beams of light may be reshaped and blended to provide a first beam of light. A spatial polarization pattern may be applied on the first beam of light to provide a second beam of light. Polarization states of the second beam of light may be split to reflect a third beam of light, which may be reshaped into a fourth beam of light. The fourth beam of light may be introduced as one of the multiple beams of light to result in a fifth beam of light.
53
US10882140B2
Three-dimensional laminating and shaping apparatus, control method of three-dimensional laminating and shaping apparatus, and control program of three-dimensional laminating and shaping apparatus
Publication/Patent Number: US10882140B2 Publication Date: 2021-01-05 Application Number: 15/125,385 Filing Date: 2016-03-25 Inventor: Noriyama, Keiichi   Kuramoto, Hirohisa   Assignee: TECHNOLOGY RESEARCH ASSOCIATION FOR FUTURE ADDITIVE MANUFACTURING   IPC: B23K26/342 Abstract: The temperature of a molten pool is measured based on an image captured by an infrared camera or the like. A three-dimensional laminating and shaping apparatus include a material ejector that ejects a material of a three-dimensional laminated and shaped object. The three-dimensional laminating and shaping apparatus includes a light beam irradiator that irradiates the ejected material with a light beam. The three-dimensional laminating and shaping apparatus includes an image capturer that captures a molten pool of the material formed by irradiating the ejected material with the light beam. The three-dimensional laminating and shaping apparatus includes a temperature deriving unit that derives a temperature of the molten pool based on a luminance of an image of the molten pool captured by the image capturer.
54
US10882135B2
Apparatus for additively manufacturing of three-dimensional objects
Publication/Patent Number: US10882135B2 Publication Date: 2021-01-05 Application Number: 16/041,607 Filing Date: 2018-07-20 Inventor: Bauer, Maximilian   Hertel, Kai   Assignee: Concept Laser GmbH   IPC: B29C64/286 Abstract: An apparatus for additively manufacturing three-dimensional objects includes a scanning unit configured to scan an energy beam over a build plane, and a focusing unit that includes an optical lens or lens system. The focusing unit may be configured to control a focal position of the energy beam based on calibration information. The focal position may be controlled by moving the focusing unit in the z-direction relative to the build plane without changing the focal length of the energy beam. Methods of calibrating such an apparatus may include moving a focusing unit in the z-direction relative to a build plane based on calibration information and scanning an energy beam over at least a portion of the build plane using a scanning unit, with the focusing unit being configured to control a focal position of the energy beam without changing the focal length of the energy beam.
55
US2021001551A1
COMPACT BUILD TANK FOR AN ADDITIVE MANUFACTURING APPARATUS
Publication/Patent Number: US2021001551A1 Publication Date: 2021-01-07 Application Number: 17/019,938 Filing Date: 2020-09-14 Inventor: Karlsson, Kristofer   Assignee: Arcam AB   IPC: B29C64/25 Abstract: Described is an additive manufacturing apparatus that includes a telescopic build tank operatively connected at opposing ends to a powder table and a build table. The telescopic build tank includes at least two segments telescopically coupled to one another, each of the at least two segments comprising a set of engagement grooves located on an interior surface of the at least two segments and a set of engagement pins located on an exterior surface of the at least two segments. The set of engagement pins is configured to engage with and travel along a corresponding set of engagement grooves of another of the at least two segments, and each engagement groove comprises a first axially extending channel positioned along a single axis and having at least one closed end, the at least one closed end being configured to impede separation of the at least two segments relative to one another.
56
US10882291B2
Additive-manufacturing systems, apparatuses and methods
Publication/Patent Number: US10882291B2 Publication Date: 2021-01-05 Application Number: 15/688,686 Filing Date: 2017-08-28 Inventor: Dietrich, David Michael   Cochran, Russell W.   Bloch, Daniel D.   Coleman, Gary W.   Assignee: THE BOEING COMPANY   IPC: B29C64/153 Abstract: In one aspect, A method of forming a product using an additive-manufacturing head includes forming a new layer of material of the product with the additive-manufacturing head. Forming the new layer of material includes depositing the new layer of material on an existing layer of material and melting the new layer of material so that the new layer of material is welded to the existing layer of material. The method also includes processing at least one of the new layer of material or the existing layer of material with a laser-emitting device, coupled to the additive-manufacturing head. Processing the at least one of the new layer of material or the existing layer of material with the laser-emitting device comprises smoothing a lateral surface of at least one of the new layer of material or the existing layer of material with a laser beam, emitted from the laser-emitting device.
57
CN112218733A
用于增材制造的定型器组件
Public
Publication/Patent Number: CN112218733A Publication Date: 2021-01-12 Application Number: 201980037611.4 Filing Date: 2019-06-05 Inventor: 阿南达·巴鲁阿   沙西亚那拉亚南·拉加万   肯·萨拉斯·诺布雷加   法迪姆·布朗伯格   阿伦库马尔·纳塔拉詹   Assignee: 通用电气公司   IPC: B22F12/00 Abstract: 一种用于增材制造粘合剂喷射零件的定型器组件,包括:基部;第一定型器部件,其具有第一定型器部分和第二定型器部分,第二定型器部分可以可去除地联接到第一定型器部分;多个突起,其设置在基部的表面上并远离基部的表面延伸。多个突起可以使基部与第一定型器部件对准,并且使得第一定型器部件能够联接到基部。定型器组件还包括定位在基部和第一定型器部件之间的第二定型器部件。第二定型器部件设置在表面上,并且第一定型器部件,第二定型器部件和基部可以组装到打印零件上,使得打印零件的至少一部分嵌套在第一定型器部件和第二定型器部件之间。
58
CN112157909A
一种TPU基高性能汽车仪表面板的制造工艺
Public
Publication/Patent Number: CN112157909A Publication Date: 2021-01-01 Application Number: 202010926220.2 Filing Date: 2020-09-07 Inventor: 吴唯   胡焕波   张习云   杜湘云   黄建昌   Assignee: 裕克施乐塑料制品(太仓)有限公司   华东理工大学   IPC: B29C64/153 Abstract: 本发明提供一种TPU基高性能汽车仪表面板的制造工艺。该工艺包括以下步骤:选用工业级适合于聚合物材料选择性激光烧结(SLS)的设备进行成型;设计拼装式汽车仪表面板各分体的三维模型;以TPU粉体为基体材料,加入抗冲击、防暴晒、功能填料,进行机械混合,制备功能化TPU复合粉体;设定SLS的工艺参数,将混合后的粉体进行SLS成型,打印标准样条;对打印出的标准样条进行性能测试;成型汽车仪表面板(分体),并对SLS成型后的汽车仪表面板(分体)进行喷砂、清粉等处理,最后进行拼装,得到成品。本发明所述的SLS成型TPU基高性能汽车仪表面板的工艺,操作简单,灵活性高,成型的汽车仪表面板具有较好的抗冲击、防暴晒等性能,在汽车工业领域,应用前景广阔。
59
US2020055234A1
POLYARYLENE SULFIDE RESIN POWDER GRANULAR ARTICLE MIXTURE AND METHOD FOR PRODUCING THREE-DIMENSIONAL MOLDED ARTICLE
Publication/Patent Number: US2020055234A1 Publication Date: 2020-02-20 Application Number: 16/343,668 Filing Date: 2017-10-13 Inventor: Watanabe, Kei   Takeda, Kazusada   Miyama, Hisashi   Nishida, Mikiya   Shibata, Hikaru   Assignee: Toray Industries, Inc.   IPC: B29C64/153 Abstract: A polyarylene sulfide resin powder granular article mixture enabling production of a highly heat-resistant and high-ductility three-dimensional molded article has: 5-25 parts by weight of fluorine resin powder granular article with respect to 100 parts by weight of polyarylene sulfide resin powder granular article; an average particle size of greater than 1 μm to 100 μm or less; an angle of repose of 43 degrees or less; and a homogeneity of 4 or less.
60
US2020247041A1
SELECTIVE SINTERING ADDITIVE MANUFACTURING METHOD AND POWDER USED THEREIN
Publication/Patent Number: US2020247041A1 Publication Date: 2020-08-06 Application Number: 15/770,006 Filing Date: 2016-10-18 Inventor: Katzenstein, Joshua M.   Moglia, Robert S.   Leugers, Mary Anne   Pyzik, Aleksander J.   Matteucci, Scott T.   Allen, Sharon   Dermody, Daniel L.   Bayer, Roland   Assignee: Dow Global Technologies LLC   IPC: B29C64/153 Abstract: A method of selective sintering additive manufacturing comprises employing a powder comprising composite particulates comprising a first thermoplastic polymer and a second thermoplastic polymer interspersed with each other. In a particular embodiment, the first thermoplastic polymer and second thermoplastic polymer have differing absorbance of the irradiation used to sinter the particles when performing the additive manufacturing method. The first and second thermoplastic polymer may be continuously intertwined in within the particles or one of the polymers may be a discontinuously dispersed in a continuous matrix of the other polymer.