公开(公告)号：US20100089500A1

公开(公告)日：2010-04-15

申请号：US12450702

申请日：2007-04-11

Applicant: Manfred Renkel

Inventor： Manfred Renkel

IPC: C22F1/00 ,  B22D13/00 ,  C22F1/04 ,  C22F1/18

CPC classification number: C22C14/00 ,  B22D13/026 ,  C22F1/183

Abstract: The invention concerns a production of precision castings by centrifugal casting, comprising the following steps: a) providing in a crucible (8) a melt of the following composition: Ti45-52 at. %Al45-50 at. %Xl1-3 at. %X22-4 at. %X30-1 at. %/ where Xl=Cr, Mn, V, X2=Nb, Ta, W, Mo, X3=Si, B, C; b) forcing the melt by means of centrifugal forces from the crucible (8) into a mold (4); c) solidifying the melt within the mold thereby creating a casting consisting of a titanium alloy having a lamellar mi-crostructure; and d) reheating the casting for a duration of 60 to 150 hours at a temperature being higher than the eutectic temperature and lower than the alpha-transus temperature of the composition.

Abstract translation: 本发明涉及通过离心铸造生产精密铸件，包括以下步骤：a）在坩埚（8）中提供具有以下组成的熔体：Ti45-52。 ％Al45-50 at。 ％Xl1-3 at。 ％X22-4 at。 ％X30-1 at。 ％/其中X1 = Cr，Mn，V，X2 = Nb，Ta，W，Mo，X3 = Si，B，C; b）通过离心力从坩埚（8）迫使熔体进入模具（4）; c）在模具内固化熔体，从而产生由具有层状微结构的钛合金构成的铸件; 和d）在高于共晶温度并低于组合物的α-转变温度的温度下，将铸件再加热60至150小时。

公开(公告)号：US20090321038A1

公开(公告)日：2009-12-31

申请号：US12310918

申请日：2007-10-22

Applicant: Manfred Renkel

Inventor： Manfred Renkel

IPC: B22D27/02 ,  B22D27/15

CPC classification number: B22D13/06 ,  B22D13/066 ,  B22D13/10

Abstract: The invention concerns an apparatus for centrifugal casting under vacuum, said apparatus comprising: a rotor (1) having a shaft (2) extending in an essentially vertical direction therefrom and being rotatable around an axis (A) defined by the shaft (2), the rotor (1) having at least one fixing means for releaseably fixing at least one mold (9) in a first radial distance from the axis (A), and a means for accommodating at least one crucible (6, 7, 23) being associated with the mold (9) so that an outlet opening (8) of the crucible (7, 23) is arranged opposite an inlet opening of the mold (9), the rotor (1) further comprising a gas-tight housing (1, 10) in which the mold (9) and the crucible (7, 23) are accommodated, a vacuum source to create a vacuum in the housing (1, 10), a heating device for melting a metal, the metal being taken up in the gas-tight housing (1, 10) within in the crucible (7, 23), a drive device (13) for driving the shaft (2) in order to rotate the rotor (1), and an auxiliary acceleration device (14, 16, 25, 26, 27) for generating a force to overcome a moment of inertia of the rotor (1).

Abstract translation: 本发明涉及一种用于在真空下进行离心铸造的装置，所述装置包括：转子（1），其具有沿其基本上垂直的方向延伸的轴（2），并且可绕由轴（2）限定的轴线（A）旋转， 所述转子（1）具有至少一个用于从所述轴线（A）以第一径向距离可释放地固定至少一个模具（9）的固定装置，以及用于容纳至少一个坩埚（6,7,23）的装置， 与所述模具（9）相关联，使得所述坩埚（7,23）的出口开口（8）与所述模具（9）的入口相对地布置，所述转子（1）还包括气密性壳体（1） ，10），其中容纳有模具（9）和坩埚（7,23），用于在壳体（1,10）中产生真空的真空源，用于熔化金属的加热装置，金属被吸收 在坩埚（7,23）内的气密性壳体（1,10）中，驱动轴（2）以使转子（1）旋转的驱动装置（13） 用于产生克服转子（1）的转动惯量的力的辅助加速装置（14,16,25,26,27）。

公开(公告)号：US08136573B2

公开(公告)日：2012-03-20

申请号：US12310925

申请日：2007-02-07

Applicant: Manfred Renkel

Inventor： Manfred Renkel

IPC: B22D13/06

CPC classification number: B22D13/066 ,  B22D21/005 ,  F05B2230/21 ,  F05C2201/021 ,  F05C2201/0412

Abstract: A turbine blade having a leading edge portion and a flowing-off edge portion is formed using the following steps: providing a centrifugal casting device having a rotor and at least one crucible being accommodated in the rotor; providing a mold having an extended cavity for forming the turbine blade; arranging the mold so that an inlet opening of the mold is arranged with an outlet opening of the crucible, and further arranging the mold so that a mold leading edge is directed in a direction against the rotational direction of the rotor; forcing a metal melt by means of centrifugal forces from the crucible into the mold; exerting a pressure on the melt being forced into the mold until the temperature of the solidifying melt has reached a predetermined cooling-temperature; and relieving the pressure when the temperature of the solidifying melt is below the predetermined cooling-temperature.

Abstract translation: 具有前缘部分和流出边缘部分的涡轮叶片使用以下步骤形成：提供具有转子和至少一个坩埚容纳在转子中的离心铸造装置; 提供具有用于形成涡轮叶片的延伸空腔的模具; 配置模具，使得模具的入口与坩埚的出口开口配置，并且进一步配置模具使得模具前缘沿着与转子的旋转方向相反的方向定向; 通过从坩埚进入模具的离心力迫使金属熔体; 对熔融物施加压力，直到固化熔体的温度达到预定的冷却温度; 并且当凝固熔体的温度低于预定的冷却温度时减轻压力。

公开(公告)号：US07389809B2

公开(公告)日：2008-06-24

申请号：US10574660

申请日：2004-09-23

Applicant: Manfred Renkel ,  Wilfried Smarsly

Inventor： Manfred Renkel ,  Wilfried Smarsly

IPC: B22C1/00 ,  B22C9/04

CPC classification number: B22C9/04 ,  B22C1/04 ,  F01D25/005 ,  F05D2230/21 ,  F05D2300/133

Abstract: A tool and method for production of a cast component from molten titanium alloy. The tool includes a casting mold, wherein at least one mold wall area of the casting mold, which comes into contact with the molten titanium alloy, is made of yttrium oxide, magnesium oxide and calcium oxide. The casting mold includes at least first and second layers, the first layer forming a mold wall area which comes into contact with the molten titanium alloy and the second layer forming a backfilling stabilization area for the mold wall area. Both the first layer and the second layer is formed of yttrium oxide, magnesium oxide and calcium oxide. In addition, the second layer, which backfills the first layer, has less yttrium oxide and is more coarsely grained than the first layer.

Abstract translation: 用于从熔融钛合金制造铸件的工​​具和方法。 该工具包括铸模，其中与熔融钛合金接触的铸模的至少一个模具壁区域由氧化钇，氧化镁和氧化钙制成。 铸模包括至少第一层和第二层，第一层形成与熔融钛合金接触的模具壁区域，第二层形成用于模具壁区域的回填稳定区域。 第一层和第二层都由氧化钇，氧化镁和氧化钙形成。 此外，回填第一层的第二层具有较少的氧化钇，并且比第一层更粗糙。

公开(公告)号：US07389808B2

公开(公告)日：2008-06-24

申请号：US11632774

申请日：2005-07-16

Applicant: Manfred Renkel ,  Wilfried Smarsly

Inventor： Manfred Renkel ,  Wilfried Smarsly

IPC: B22D27/00

CPC classification number: B22D23/06 ,  B22D21/005 ,  B22D21/007 ,  B22D27/15 ,  B22D39/02

Abstract: The invention relates to a method for producing a cast component, particularly a gas turbine component, by casting. According to the invention, the method comprises at least the following steps: a) preparing a melting crucible; b) preparing a semifinished granular material from an intermetallic titanium/aluminum material; c) filling the melting crucible with the semifinished granular material, whereby the quantity of the semifinished granular material placed inside the melting crucible corresponds to the quantity necessary for casting the component; d) melting the semifinished granular material made of the intermetallic titanium/aluminum material inside the melting crucible; e) preparing a casting mold; f) pouring the melt into the casting mold; g) solidifying the melt inside the casting mold, and; h) removing the cast component from the casting mold.

Abstract translation: 本发明涉及通过铸造生产铸件，特别是燃气轮机件的方法。 根据本发明，该方法至少包括以下步骤：a）制备熔化坩埚; b）从金属间钛/铝材料制备半成品颗粒材料; c）用半成品颗粒材料填充熔化的坩埚，由此放置在熔化坩埚内部的半成品颗粒材料的量相当于铸造组分所需的量; d）在熔融坩埚内熔化由金属间钛/铝材料制成的半成品粒状材料; e）制备铸模; f）将熔体倒入铸模中; g）固化铸模内部的熔体， h）从铸模中去除铸造组件。

公开(公告)号：US07360579B2

公开(公告)日：2008-04-22

申请号：US10585978

申请日：2004-12-22

Applicant: Manfred Renkel ,  Wilfried Smarsly

Inventor： Manfred Renkel ,  Wilfried Smarsly

IPC: B22D27/00 ,  B22D27/20

CPC classification number: C22F1/183 ,  C22C1/02 ,  C22C14/00

Abstract: The invention relates to a method for the production of a cast component, in particular a gas turbine component. The inventive method comprises at least the following steps: a) a crucible and at least one semi-finished product is prepared from an intermetallic titanium-aluminium material; b) the or each semi-finished product made of intermetallic titanium-aluminium material is melted in the crucible; c) at least one additional element or an additional compound is added to the melt, whereby the or each element and/or the or each compound is introduced into the melt according to the melting temperature thereof; d) a casting mold is prepared; e) the casting mold is filled with the melt; f) the melt is solidified in the casting mold; g) the casting component is extracted from the casting mold.

Abstract translation: 本发明涉及一种用于生产铸造部件，特别是燃气轮机部件的方法。 本发明的方法至少包括以下步骤：a）坩埚，并且从金属间钛 - 铝材料制备至少一种半成品; b）由金属间钛 - 铝材料制成的每个半成品在坩埚中熔化; c）将至少一种另外的元素或另外的化合物加入到熔体中，由此根据其熔融温度将这些或每种元素和/或每种化合物引入熔体中; d）制备铸模; e）铸模中填充有熔体; f）熔体在铸模中固化; g）铸造部件从铸模中取出。

公开(公告)号：US20070034350A1

公开(公告)日：2007-02-15

申请号：US10574660

申请日：2004-09-23

Applicant: Manfred Renkel ,  Wilfried Smarsly

Inventor： Manfred Renkel ,  Wilfried Smarsly

IPC: B22C9/04

CPC classification number: B22C9/04 ,  B22C1/04 ,  F01D25/005 ,  F05D2230/21 ,  F05D2300/133

Abstract: The invention relates to a tool for producing cast components, especially gas turbine components, from reactive nonferrous molten metals, especially titanium alloys, said tool being embodied as a casting mould. According to the invention, at least one region of the casting mould (10) that comes into contact with the reactive nonferrous molten metal consists of yttrium oxide, magnesium oxide and calcium oxide.

Abstract translation: 本发明涉及一种用于从反应性有色金属，特别是钛合金制造铸件，特别是燃气轮机部件的工具，所述工具被实施为铸模。 根据本发明，与反应性有色熔融金属接触的铸模（10）的至少一个区域由氧化钇，氧化镁和氧化钙构成。

公开(公告)号：US20050279481A1

公开(公告)日：2005-12-22

申请号：US10506982

申请日：2003-03-03

Applicant: Manfred Renkel ,  Wilfried Smarsly

Inventor： Manfred Renkel ,  Wilfried Smarsly

IPC: F01D5/28 ,  B22C9/04 ,  B22D13/04 ,  B22D13/06 ,  B22D13/10 ,  C22C14/00 ,  F02C7/00 ,  B22D13/00

CPC classification number: C22C14/00 ,  B22D13/04 ,  B22D13/066 ,  B22D13/101 ,  B22D13/107

Abstract: A process for producing a dimensionally accurate component from a nonferrous metal alloy includes the steps of: providing a casting mold corresponding to an external shape of the component and associated with an outlet opening, wherein the casting mold includes at least one heated mold shell; providing a heated rotatably mounted runner device for receiving a melt of the nonferrous metal alloy; determining a three-dimensional setting angle for the casting mold with respect to the outlet opening based on acceleration forces on the melt, wherein the acceleration forces include centrifugal forces applied to the melt and Coriolis forces of the centrifugal forces; disposing the casting mold at the three-dimensional setting angle with respect to the outlet opening; and feeding a melt into the mold through the outlet opening using the runner device so as to completely fill the casting mold.

Abstract translation: 从有色金属合金制造尺寸精确的部件的方法包括以下步骤：提供对应于部件的外部形状并与出口开口相关联的铸模，其中铸模包括至少一个加热的模壳; 提供加热的可旋转地安装的流道装置，用于接收有色金属合金的熔体; 基于熔体上的加速力确定铸模相对于出口的三维设定角度，其中加速力包括施加到熔体的离心力和离心力的科里奥利力; 将铸模相对于出口开口设置在三维设定角度; 并使用流道装置通过出口将熔体进料到模具中，以便完全填充铸模。