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1. 发明申请

US20180326487A1 LAYER-BY-LAYER CONSTRUCTION METHOD AND LAYER-BY-LAYER CONSTRUCTION APPARATUS FOR THE ADDITIVE MANUFACTURE OF AT LEAST ONE REGION OF A COMPONENT 审中-公开
公开(公告)号：US20180326487A1
公开(公告)日：2018-11-15
申请号：US15977896
申请日：2018-05-11
申请人： MTU Aero Engines AG
发明人： Johannes Casper , Joachim Bamberg , Herbert Hanrieder , Guenter Zenzinger
IPC分类号： B22F3/105 , B22F7/06 , H05B6/10 , B22F3/00 , B22F3/10
CPC分类号： B22F3/1055 , B22F3/003 , B22F3/1017 , B22F7/06 , B22F2003/1056 , B22F2003/1057 , B23K26/034 , B23K26/342 , B23K26/60 , B23K26/702 , B23K31/125 , B23K2103/26 , B28B1/001 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/00 , B33Y50/02 , H05B6/10
摘要： The invention relates to a layer-by-layer construction method for the additive manufacture of at least one region of a component. The layer-by-layer construction method comprises at least the following steps: a) application of at least one powder layer of a metallic and/or intermetallic material onto at least one buildup and joining zone of at least one lowerable building platform; b) layer-by-layer and local melting and/or sintering of the material for the formation of a component layer by selective exposure of the material with at least one high-energy beam in accordance with a predetermined exposure strategy; c) layer-by-layer lowering of the building platform by a predefined layer thickness; and d) repetition of steps a) to d) until the component region has been finished. The invention further relates to a layer-by-layer construction apparatus for the additive manufacture of at least one region of a component by an additive layer-by-layer construction method.

2. 发明申请

US20170204975A1 METHOD FOR MANUFACTURING A BRUSH SEAL WITH INCLINED BRISTLE 审中-公开
公开(公告)号：US20170204975A1
公开(公告)日：2017-07-20
申请号：US15400181
申请日：2017-01-06
申请人： MTU Aero Engines AG
发明人： Alexander Gindorf , Joachim Bamberg , Guenter Zenzinger
IPC分类号： F16J15/328 , F16J15/3288
CPC分类号： F16J15/328 , A46B3/08 , A46D3/05 , A46D9/00 , F05D2240/56 , F16J15/3288
摘要： The invention relates to a method for manufacturing a brush seal with inclined bristles. In order to be able to manufacture these brush seals in an especially cost-effective manner, at least the following steps are provided: provision of a brush blank with at least one metal thread or wire packing fastened at or in at least one wire core; local, at least partial heating of at least the wire core and/or a subregion of the thread or wire packing adjacent to the wire core, by a current flow through the wire core; bending of the thread or wire packing relative to the wire core for producing of the inclined position of the bristles of the brush seal. The invention further relates to an apparatus for manufacturing brush seals and a brush seal for a turbomachine, in particular for an aircraft engine.

3. 发明授权

US10456867B2 Micro-forging by a generative manufacturing process 有权
公开(公告)号：US10456867B2
公开(公告)日：2019-10-29
申请号：US15449431
申请日：2017-03-03
申请人： MTU Aero Engines AG
发明人： Joachim Bamberg , Roland Hessert , Georg Schlick
IPC分类号： B23K26/34 , B33Y10/00 , B23K26/356 , B33Y30/00 , B33Y40/00 , B23K26/342 , B23K15/00 , C21D10/00 , B22F3/105 , B29C64/153 , B29C64/188 , B23K20/10 , B23K26/352
摘要： The present invention relates to a device as well as a method for the additive manufacture of components by deposition of material layers by layer-by-layer joining of powder particles to one another and/or to an already produced pre-product or substrate, via selective interaction of the powder particles with a high-energy beam, wherein, for smoothing a surface of the component being produced running crosswise to the deposited material layers in between the deposition of two layers of the component, the complete edge region of the last layer that is applied and that runs along a surface of the component being produced is compacted in a direction of action that has a directional component parallel to the build-up direction of the layers, and/or at least one edge region of a surface of the component is also compacted.

4. 发明申请

US20170341175A1 METHOD AND DEVICE FOR ADDITIVELY MANUFACTURING AT LEAST A PORTION OF A COMPONENT 审中-公开
公开(公告)号：US20170341175A1
公开(公告)日：2017-11-30
申请号：US15600934
申请日：2017-05-22
申请人： MTU Aero Engines AG
发明人： Alexander Ladewig , Joachim Bamberg , Benjamin Henkel , Laura Buerger
IPC分类号： B23K15/00 , B23K26/12 , B33Y10/00 , B33Y80/00 , B33Y30/00 , B23K26/342 , B23K15/10 , B23K103/02
CPC分类号： B23K15/0086 , B22F3/1055 , B22F5/009 , B22F2003/1056 , B23K15/10 , B23K26/123 , B23K26/342 , B23K2103/02 , B33Y10/00 , B33Y30/00 , B33Y80/00 , Y02P10/295
摘要： A method for additively manufacturing at least a portion of a component, in particular a component of a turbomachine. The method includes the following steps: a) depositing at least one powder layer of a component material in powder form layer by layer onto a component platform in the region of a buildup and joining zone; b) locally solidifying the powder layer by selectively irradiating the same using at least one high-energy beam in the region of the buildup and joining zone, forming a component layer; c) lowering the component platform by a predefined layer thickness; and d) repeating steps a) through c) until completion of the component portion or of the component. At least one contour portion of at least one component layer is irradiated in a step b1) at least once by at least one high-energy beam in a way that allows the solidified powder layer to be locally heated, but not melted, and, in a subsequent step b2), irradiated by at least one high-energy beam in a way that allows the solidified powder layer-to be locally melted in the region of the contour portion. In addition, a device for implementing such a method.

5. 发明授权

US10427244B2 Control in generative production 有权
公开(公告)号：US10427244B2
公开(公告)日：2019-10-01
申请号：US14325458
申请日：2014-07-08
申请人： MTU Aero Engines AG
发明人： Andreas Jakimov , Georg Schlick , Joachim Bamberg , Thomas Hess
IPC分类号： B23K26/08 , B23K26/354 , B22F3/105 , B22F3/00 , B23K15/00 , G01N27/72 , B33Y10/00 , B33Y30/00 , B33Y50/02
摘要： Disclosed is a method for generatively producing components by layer-by-layer building from a powder material by selective material bonding of powder particles by a high-energy beam. An eddy current testing is carried out concurrently with the material bonding. Also disclosed is an apparatus which is suitable for carrying out the method.

6. 发明授权

US09696142B2 Method and apparatus for determining residual stresses of a component 有权
公开(公告)号：US09696142B2
公开(公告)日：2017-07-04
申请号：US14614061
申请日：2015-02-04
申请人： MTU Aero Engines AG
发明人： Joachim Bamberg , Roland Hessert
IPC分类号： G01B11/16 , B22F3/105 , B23K26/03 , B28B1/00 , B28B17/00 , B29C67/00 , G01L1/24 , G01L5/00 , B33Y10/00 , B33Y50/00 , B29L31/30
CPC分类号： G01B11/162 , B22F3/1055 , B22F2003/1056 , B23K26/032 , B28B1/001 , B28B17/00 , B29C64/153 , B29C64/386 , B29C67/0085 , B29L2031/3076 , B33Y10/00 , B33Y50/00 , G01L1/24 , G01L5/0047
摘要： A method for determining residual stresses of a component (14), in particular a component of an aircraft engine, while it is being manufactured by an additive manufacturing process. The method includes the following steps: creating at least one local melt pool (26) in a surface (24) of the component (14) to be manufactured after a predetermined portion of the component is completed; optically detecting surface distortions and/or elongations occurring at least in a region around the created melt pool (26); and determining the residual stresses of the component (14) which are present at least in the region around the created melt pool (26) based on the optically detected surface distortions and/or elongations. Further an apparatus for determining residual stresses of a component (14) while it is being manufactured by an additive manufacturing process is provided.

7. 发明申请

US20170252860A1 MICRO-FORGING BY A GENERATIVE MANUFACTURING PROCESS 审中-公开
公开(公告)号：US20170252860A1
公开(公告)日：2017-09-07
申请号：US15449431
申请日：2017-03-03
申请人： MTU Aero Engines AG
发明人： Joachim Bamberg , Roland Hessert , Georg Schlick
IPC分类号： B23K26/00 , B33Y30/00 , B23K26/342 , C21D10/00 , B23K15/00 , B33Y10/00 , B33Y40/00
CPC分类号： B23K26/356 , B22F3/1055 , B22F2003/1056 , B22F2998/10 , B23K15/0086 , B23K15/0093 , B23K20/10 , B23K26/342 , B23K26/352 , B23K26/3576 , B29C64/153 , B29C64/188 , B33Y10/00 , B33Y30/00 , B33Y40/00 , C21D10/005 , Y02P10/295 , B22F2202/01
摘要： The present invention relates to a device as well as a method for the additive manufacture of components by deposition of material layers by layer-by-layer joining of powder particles to one another and/or to an already produced pre-product or substrate, via selective interaction of the powder particles with a high-energy beam, wherein, for smoothing a surface of the component being produced running crosswise to the deposited material layers in between the deposition of two layers of the component, the complete edge region of the last layer that is applied and that runs along a surface of the component being produced is compacted in a direction of action that has a directional component parallel to the build-up direction of the layers, and/or at least one edge region (19) of a surface of the component (3′) is also compacted.

8. 发明授权

US09671372B2 Method and device for ascertaining an edge layer characteristic of a component 有权
公开(公告)号：US09671372B2
公开(公告)日：2017-06-06
申请号：US14435491
申请日：2013-10-29
申请人： MTU Aero Engines AG
发明人： Joachim Bamberg , Roland Hessert
IPC分类号： G01N29/04 , G01N29/30 , G01N29/44
CPC分类号： G01N29/041 , G01N29/30 , G01N29/4409 , G01N2291/0423 , G01N2291/102 , G01N2291/2694
摘要： The invention relates to a method and device for ascertaining an edge layer characteristic of a component (12), in particular a component (12) for an aircraft engine. In the method, a reference body (22) with a known edge layer characteristic is arranged on the surface of the component (12). An ultrasonic wave (18) is introduced into the surfaces of the component (12) and the reference object (22) by an ultrasonic transmitter (16). An ultrasonic wave (18) resulting from the exchange between the component (12) and the reference body (22) is detected by an ultrasonic detector (20), and an edge layer characteristic of the component (12) is ascertained by an ascertaining device (28) using a difference between the generated ultrasonic wave (18) and the resulting ultrasonic wave (18).

9. 发明申请

US20160344948A1 METHOD AND DEVICE FOR DETERMINING A CONTOUR, AT LEAST IN REGIONS, OF AT LEAST ONE ADDITIVELY MANUFACTURED COMPONENT LAYER 审中-公开
标题翻译：用于确定至少一个地区的至少一个附加制造的组件层的方法和装置
公开(公告)号：US20160344948A1
公开(公告)日：2016-11-24
申请号：US15152825
申请日：2016-05-12
申请人： MTU Aero Engines AG
发明人： Joachim Bamberg , Guenter Zenzinger
IPC分类号： H04N5/262 , G06T7/00
CPC分类号： H04N5/2625 , B22F3/1055 , B22F2003/1056 , B22F2999/00 , B29C64/153 , B29C64/386 , B33Y10/00 , B33Y30/00 , B33Y50/02 , G06T7/0004 , G06T7/12 , G06T7/97 , G06T2207/10016 , G06T2207/10101 , Y02P10/295 , B22F2003/1057 , B22F2203/03 , B22F2202/11 , B22F2003/247
摘要： The invention relates to a method for the determination, at least in regions, of a contour of at least one additively manufactured component layer, in which a contour line of the component layer is traveled over, at least in regions, by a laser beam, and a time exposure of the traveled contour line is produced by a camera system. The invention further relates to a device for the determination, at least in regions, of a contour of at least one additively manufactured component layer. For this purpose, the device comprises at least one laser system, by which a contour line of the component layer can be traveled over, at least in regions, by a laser beam, and a camera system, which is designed to produce a time exposure of the contour line traveled over by the laser beam.
摘要翻译：本发明涉及用于至少在区域中确定至少一个相加制造的部件层的轮廓的方法，其中组件层的轮廓线至少在区域中被激光束行进，并且由相机系统产生行进的轮廓线的时间曝光。本发明还涉及用于至少在区域中确定至少一个相加制造的部件层的轮廓的装置。为此，该装置包括至少一个激光系统，通过该激光系统，组件层的轮廓线可以至少在激光束的区域中行进，照相机系统被设计成产生时间曝光由激光束行进的轮廓线。

10. 发明申请

US20150290712A1 METHOD AND DEVICE FOR IMPROVING MATERIAL QUALITY IN GENERATIVE MANUFACTURING METHODS 审中-公开
标题翻译：用于提高生产制造方法中材料质量的方法和装置
公开(公告)号：US20150290712A1
公开(公告)日：2015-10-15
申请号：US14679538
申请日：2015-04-06
申请人： MTU Aero Engines AG
发明人： Joachim Bamberg , Roland Hessert , Benjamin Henkel
IPC分类号： B22F3/105 , B28B1/00 , B29C67/00
CPC分类号： B22F3/1055 , B22F2003/1056 , B28B1/001 , B29C64/153 , B29K2105/251 , B33Y30/00 , Y02P10/295
摘要： The present invention relates to a method and a device for material processing with a high-energy beam (7), with a beam-generating device (4) for generating a high-energy beam and with a component holder (2), in which is disposed the material that is to be processed with the high-energy beam, wherein the beam-generating device and the component holder are disposed or can be disposed relative to one another so that the high-energy beam impinges on the material surface (12) of the material to be processed at an angle not equal to 0° or 180° or a whole-number multiple thereof, and wherein the beam-generating device or at least parts thereof and/or another beam-generating device can be disposed, and/or that the beam-generating device comprises a deflection means (5, 6), so that a high-energy beam (7a) can be aligned parallel to and at a distance from the material surface (12) to be processed.
摘要翻译：本发明涉及一种用高能束（7）进行材料处理的方法和装置，具有用于产生高能束的光束产生装置（4）和一个部件支架（2），其中用高能束设置待处理的材料，其中光束产生装置和部件保持器相对于彼此设置或可以相对设置，使得高能束撞击材料表面（12 ）以不等于0°或180°的角度或其整数倍的待处理材料，并且其中可以设置光束产生装置或其至少部分和/或另一光束产生装置，和/或所述光束产生装置包括偏转装置（5,6），使得高能束（7a）可以与待处理的材料表面（12）平行并且距离一定距离对准。

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