公开(公告)号：US20020153062A1

公开(公告)日：2002-10-24

申请号：US10111634

申请日：2002-04-26

Inventor： Hiroshi Hasegawa ,  Masahide Utsunomiya ,  Uremu Hosono ,  Yoichi Hirose

IPC: H01F041/02

CPC classification number: B22D13/023 ,  B22D13/02 ,  B22D13/107 ,  B82Y25/00 ,  H01F1/057 ,  H01F1/0575 ,  H01F1/0577 ,  H01F1/0579 ,  H01F41/0273

Abstract: The present invention relates to a casting method which employs rapid solidification of metal, rare-earth metal or the like, as well as to a casting apparatus and a cast alloy. A centrifugal casting method includes the steps of pouring a molten material onto a rotary body; sprinkling the molten material by the effect of rotation of the rotary body; and causing the sprinkled molten material to be deposited and to solidify on the inner surface of a rotating cylindrical mold. The axis of rotation of the rotary body and the axis of rotation of the cylindrical mold are caused not to run parallel to each other. The centrifugal casting method can attain a decrease in average deposition rate. As a result, generation of the dendritic nullFe phase or generation of a segregation phase of Mn or the like is suppressed, thereby realizing a high-performance R-T-B-type rare-earth magnet alloy.

Abstract translation: 本发明涉及使用金属，稀土金属等的快速固化以及铸造装置和铸造合金的铸造方法。 离心铸造方法包括将熔融材料倒入旋转体的步骤; 通过旋转体的旋转来喷洒熔融材料; 并使喷洒的熔融材料沉积并固化在旋转的圆柱形模具的内表面上。 旋转体的旋转轴线和圆筒状模具的旋转轴线不会彼此平行地延伸。 离心铸造法可以降低平均沉积速率。 结果，抑制了树枝状αFe相的产生或Mn等的析出相的产生，从而实现了高性能的R-T-B型稀土类磁体合金。

公开(公告)号：US6082436A

公开(公告)日：2000-07-04

申请号：US238891

申请日：1999-01-28

Applicant: Amarnath P. Divecha ,  Subhash D. Karmarkar ,  Philip Hesse ,  William J. Bruchey

Inventor： Amarnath P. Divecha ,  Subhash D. Karmarkar ,  Philip Hesse ,  William J. Bruchey

IPC: B22D13/02 ,  B22D19/02

CPC classification number: B22D13/02 ,  B22D13/023 ,  B22D19/02

Abstract: The article is produced by prepositioning nonwoven reinforcement, coated h a bond enhancing compound inside of a centrifugal casting mold that is surface coated for protective shielding of the reinforcement. Molten matrix metal is then introduced into the mold while being rotated about its longitudinal axis until the molten metal completely encapsulates the reinforcement.

Abstract translation: 该制品通过将非织造增强材料预先定位，在表面涂覆有用于加强件的保护屏蔽的离心铸造模具内涂覆有粘合增强化合物。 然后将熔融基质金属引入模具中，同时围绕其纵向轴线旋转，直到熔融金属完全包封增强物。

公开(公告)号：US5355932A

公开(公告)日：1994-10-18

申请号：US25669

申请日：1993-03-03

Applicant: Ryosaku Nawata ,  Kenji Date ,  Toshiyuki Hattori

Inventor： Ryosaku Nawata ,  Kenji Date ,  Toshiyuki Hattori

IPC: B21B27/00 ,  B22D13/02 ,  B22D19/16 ,  B32B15/01

CPC classification number: B21B27/00 ,  B22D13/02 ,  B22D19/16 ,  B32B15/011 ,  Y10T29/49563

Abstract: The compound roll having a shell portion made of a hard, high-alloy cast steel or iron having excellent wear resistance and resistance to surface roughening and a core portion made of a tough cast iron or cast steel, the cast iron of the shell portion having a composition consisting essentially, by weight ratio, of 1.0-3.0% of C, 2.0% or less of Si, 2.0% or less of Mn, 2.0-15.0% of Cr, 10.0% or less of Mo, 2.0-8.0% of V, the balance being substantially Fe and inevitable impurities, an average diameter of crystal grains constituting a matrix of the metal structure of the shell portion being 100 .mu.m or less in a range from a surface to a depth of 50 mm when determined by an image analysis method on the crystal grains having diameters exceeding 30 .mu.m, and the crystal grains satisfying the formula: m.sub.2 .ltoreq.1.2 m.sub.1, wherein m.sub.1 is an average diameter of the crystal grains at the surface of the shell portion, and m.sub.2 is an average diameter of the crystal grains at the depth of 50 mm, is produced by a centrifugal casting method which comprises supplying a melt for the shell portion at a temperature T satisfying the formula: Tc.ltoreq.T.ltoreq.Tc+90.degree. C., wherein Tc is a primary crystal-forming temperature of the melt for the shell portion, to a hollow cylindrical mold rotatable around its longitudinal axis, at such a speed that an average shell portion-forming speed in the mold is 2-40 mm/min.

Abstract translation: 复合辊具有由硬质，高合金铸钢或具有优异的耐磨性和耐表面粗糙度的铁制成的外壳部分和由韧性铸铁或铸钢制成的芯部，所述壳体部分的铸铁具有 基本上由重量比组成的C：1.0-3.0％，Si 2.0％或更少，Mn 2.0％或更少，2.0-15.0％的Cr，10.0％或更少的Mo，2.0-8.0％的 V，余量基本上为Fe和不可避免的杂质，构成壳部分的金属结构的基体的晶粒的平均直径在从表面到深度50mm的范围内为100μm以下，当由 对具有超过30μm的晶粒的图像分析方法，并且满足以下公式的晶粒：m2 <= 1.2m1，其中m1是壳部表面的晶粒的平均直径，m2是 产生在深度为50mm的晶粒的平均直径 d，其中包括在满足以下公式的温度T下为壳部分供应熔体：Tc

公开(公告)号：US4357394A

公开(公告)日：1982-11-02

申请号：US291027

申请日：1981-08-07

Applicant: Igor Y. Khandros

Inventor： Igor Y. Khandros

IPC: B22D13/02 ,  B22D19/16 ,  B32B15/18 ,  B32B15/20

CPC classification number: B22D13/02 ,  B22D19/16 ,  Y10T428/12354 ,  Y10T428/12458 ,  Y10T428/1275 ,  Y10T428/12757

Abstract: A centrifugal casting of tubular form exhibiting an outer layer of a heavy (high density) metal having a high melting point, an inner layer of a lighter (low density) lower melting point metal and an intermediate zone where the two metals vary continuously and oppositely as to concentration from the inner layer to the outer layer; in the case of a tube these layers are the inner diameter (I.D.) and the outer diameter (O.D.).

Abstract translation: 管状形式的离心铸造，表现出具有高熔点的重（高密度）金属的外层，较低（低密度）低熔点金属的内层和两个金属连续相反地变化的中间区 从内层到外层的浓度; 在管的情况下，这些层是内径（I.D.）和外径（O.D.）。

公开(公告)号：US4330015A

公开(公告)日：1982-05-18

申请号：US146736

申请日：1980-05-02

Applicant: Claude Fuminier ,  Michel Pierrel

Inventor： Claude Fuminier ,  Michel Pierrel

IPC: F16L9/02 ,  B22D13/02 ,  F16L21/03

CPC classification number: B22D13/02 ,  F16L21/03 ,  Y10T29/49988

Abstract: A pipe or similar tubular member of ductile cast iron having an end casing. The thin walled casing has a curved profile at its entrance divided into two sections, of which one is formed by centrifugal casting, whereas the other, of lesser curvature, is made by hot or cold forming with a simultaneous axial compression and a radial bending directed towards the axis of the pipe. The invention is useful for forming fluid tight seals in pipelines using radial compression packings.

Abstract translation: 具有端部壳体的管状或类似的球墨铸铁管状构件。 薄壁外壳在其入口处具有弯曲轮廓，分为两部分，其中一部分通过离心铸造形成，另一部分较小曲率由热或冷成型制成，同时轴向压缩和径向弯曲定向 朝向管道的轴线。 本发明可用于在使用径向压缩填料的管道中形成流体密封。

公开(公告)号：US4327798A

公开(公告)日：1982-05-04

申请号：US145482

申请日：1980-05-01

Applicant: Edward D. McCauley ,  James C. Farlow ,  William T. Adams, Jr.

Inventor： Edward D. McCauley ,  James C. Farlow ,  William T. Adams, Jr.

IPC: B22D13/10 ,  B22D1/00 ,  B22D13/02 ,  B22D27/18

CPC classification number: B22D13/02 ,  B22D1/00

Abstract: A method for introducing fluxing material (flux) into a tubular, centrifugal casting mold in the manufacture of centrifugally cast metallic tubes. The flux is injected directly into the pouring stream of the molten metal in a steady, continuous flow by the pressure from a stream of non-reactive gas such as nitrogen. The injection of the flux into the pouring stream begins only after the wetting of all the casting surfaces of the mold by the molten metal. This flux is supplied from a hopper with a variable speed control auger.

Abstract translation: 在制造离心铸造金属管的过程中将助熔材料（助焊剂）引入管状离心铸造模具中的方法。 通过来自非反应性气体如氮气的压力，将通量以稳定的连续流动直接注入到熔融金属的倾倒流中。 只有在通过熔融金属润湿模具的所有铸造表面之后，才将注入流入注入料流中。 该通量由具有可变速度控制螺旋钻的料斗供给。

公开(公告)号：US4116260A

公开(公告)日：1978-09-26

申请号：US784878

申请日：1977-04-05

Applicant: Michel Pierrel

Inventor： Michel Pierrel

IPC: B22D13/02 ,  B22D13/10

CPC classification number: B22D13/02 ,  B22D13/10

Abstract: The installation comprises two centrifugal casting moulds which are roughly parallel to each other and are movable by rotation of a common support between a mould preparing station, a pouring station and a pipe extracting station, which stations are disposed in such maner that one of the moulds is in the axial extension of the pouring station when the other mould is in the axial extension of the extracting station and vice-versa. The two moulds are carried by rollers mounted on the common support and the latter comprises a horizontal platform which is rotatable about a central vertical axis relative to which the two moulds are symmetrically arranged.

Abstract translation: 该装置包括两个大致彼此平行的离心铸造模具，并且可以通过模具准备台，浇注站和抽管站之间的公共支撑件的旋转而移动，这些工位以这样的方式设置，即模具之一 当另一个模具处于抽出站的轴向延伸时，处于浇注站的轴向延伸，反之亦然。 两个模具由安装在公共支撑件上的辊承载，后者包括可围绕中心垂直轴线旋转的水平平台，两个模具对称布置在该中心垂直轴线上。

公开(公告)号：US3814168A

公开(公告)日：1974-06-04

申请号：US28882472

申请日：1972-09-13

Applicant: PONT A MOUSSON

Inventor： ROYER A

IPC: B22D13/02 ,  B22D19/16 ,  B22D13/00

CPC classification number: B22D19/16 ,  B22D13/02

Abstract: A method for the centrifugal production of a metal tube having a composition which varies within the thickness of the wall of the tube, comprising the steps of pouring a mass of molten metal in a rotary mould then, before the complete solidification of said mass of metal, depositing on the mass of metal in the mould a molten slag containing addition elements, allowing the metal and the slag to solidify while continuing to rotate the mould until solidification of both of them, and removing the solidified slag.

Abstract translation: 一种用于离心生产金属管的方法，所述金属管具有在管壁的厚度内变化的组成，包括以下步骤：在所述金属块的完全固化之前将大量熔融金属倒入旋转模具中，然后， 在模具中的金属块上沉积含有添加元素的熔渣，允许金属和炉渣固化，同时继续旋转模具直到两者固化，并除去固化的炉渣。

公开(公告)号：US3683999A

公开(公告)日：1972-08-15

申请号：US3683999D

申请日：1970-06-05

Applicant: KOCKS GMBH FRIEDRICH

Inventor： KOCKS FRIEDRICH

IPC: B22D7/00 ,  B22D13/00 ,  B22D13/02

CPC classification number: B22D7/00 ,  B22D13/02

Abstract: A method and apparatus are provided for casting metals wherein the molten metal is cast into the top of an upright ingot mold whose axis is in a generally vertical position, the mold is capped, and then rotated so that its axis is on the horizontal position and cooling the metal in the mold while holding it with its axis in said horizontal position.

Abstract translation: 提供了一种用于铸造金属的方法和装置，其中熔融金属被浇铸到直立铸锭模具的顶部，该铸锭模具的轴线处于大致垂直的位置，模具被盖住，然后旋转，使得其轴线处于水平位置，并且 冷却模具中的金属，同时使其轴线保持在所述水平位置。

公开(公告)号：US3121266A

公开(公告)日：1964-02-18

申请号：US11398261

申请日：1961-05-08

Applicant: RICH MFG COMPANY OF CALIFORNIA

Inventor： EWING PAUL E

IPC: B22D13/02

CPC classification number: B22D13/02