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公开(公告)号：US08418748B2
公开(公告)日：2013-04-16
申请号：US12931724
申请日：2011-02-09
CPC分类号： B22D11/007 , B22D2/006 , B22D11/182 , B22D11/202 , B22D11/22
摘要： An exemplary embodiment of the invention provides a method of direct chill casting a composite metal ingot. The method involves sequentially casting two or more metal layers to form a composite ingot by supplying streams of molten metal to two or more casting chambers within a casting mold of a direct chill casting apparatus. Inlet temperatures of one or more of the streams of molten metal are monitored at a position adjacent to an inlet of a casting chamber fed with the stream, and the inlet temperatures are compared with a predetermined set temperature for the stream to determine if there is any difference. A casting variable that affects molten metal temperatures entering or within the casting chambers (e.g. casting speed) is then adjusted by an amount based on the difference of the compared temperatures to eliminate adverse casting effects caused by the difference of the inlet temperature and the set temperature. Preferably an adjustment is selected that causes the monitored temperature to approach the set temperature. Another exemplary embodiment provides equipment for operation of the method.
摘要翻译： 本发明的示例性实施例提供了一种直接冷却铸造复合金属锭的方法。 该方法包括顺序地浇铸两个或更多个金属层以通过将熔融金属流供应到直接冷却铸造设备的铸模内的两个或多个铸造室中而形成复合锭。 一个或多个熔融金属流的入口温度在与流入的流化室的入口相邻的位置处被监测，并且将入口温度与流的预定设定温度进行比较，以确定是否存在 区别。 然后调整影响进入或流入铸造室内的熔融金属温度（例如铸造速度）的铸造变量，该量基于比较温度的差值，以消除由入口温度和设定温度的差引起的不利铸造效应 。 优选地，选择使所监视的温度接近设定温度的调节。 另一示例性实施例提供了用于该方法的操作的设备。
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公开(公告)号：US20110198050A1
公开(公告)日：2011-08-18
申请号：US12931724
申请日：2011-02-09
CPC分类号： B22D11/007 , B22D2/006 , B22D11/182 , B22D11/202 , B22D11/22
摘要： An exemplary embodiment of the invention provides a method of direct chill casting a composite metal ingot. The method involves sequentially casting two or more metal layers to form a composite ingot by supplying streams of molten metal to two or more casting chambers within a casting mold of a direct chill casting apparatus. Inlet temperatures of one or more of the streams of molten metal are monitored at a position adjacent to an inlet of a casting chamber fed with the stream, and the inlet temperatures are compared with a predetermined set temperature for the stream to determine if there is any difference. A casting variable that affects molten metal temperatures entering or within the casting chambers (e.g. casting speed) is then adjusted by an amount based on the difference of the compared temperatures to eliminate adverse casting effects caused by the difference of the inlet temperature and the set temperature. Preferably an adjustment is selected that causes the monitored temperature to approach the set temperature. Another exemplary embodiment provides equipment for operation of the method.
摘要翻译： 本发明的示例性实施例提供了一种直接冷却铸造复合金属锭的方法。 该方法包括顺序地浇铸两个或更多个金属层以通过将熔融金属流供应到直接冷却铸造设备的铸模内的两个或多个铸造室中而形成复合锭。 一个或多个熔融金属流的入口温度在与流入的流化室的入口相邻的位置处被监测，并且将入口温度与流的预定设定温度进行比较，以确定是否存在 区别。 然后调整影响进入或流入铸造室内的熔融金属温度（例如铸造速度）的铸造变量，该量基于比较温度的差值，以消除由入口温度和设定温度的差引起的不利铸造效应 。 优选地，选择使所监视的温度接近设定温度的调节。 另一示例性实施例提供了用于该方法的操作的设备。
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公开(公告)号：US08365807B2
公开(公告)日：2013-02-05
申请号：US13421350
申请日：2012-03-15
IPC分类号： B22D11/049 , B22D11/124
CPC分类号： B22D11/049
摘要： The invention provides a method of reducing butt curl during DC casting of a metal ingot. The ingot is cast in at least two stages, including an initial casting stage and then a steady-state casting stage carried out at higher casting speed. The emerging ingot is cooled by directing a liquid coolant onto its outer surface. During the first casting stage, the liquid coolant is directed in the form of at least two streams, including a constant first stream in the form of a series of first jets, and an intermittent second stream in the form of a series of second jets. The first and second jets impact the outer surface at locations spaced from each other peripherally and/or longitudinally of the ingot. Both the first and second streams experience film boiling when they contact the ingot. The invention includes apparatus for the method.
摘要翻译： 本发明提供了在金属锭的直流铸造期间减少对接卷曲的方法。 铸锭至少铸造两个阶段，包括初始铸造阶段，然后以更高的铸造速度进行稳态铸造阶段。 通过将液体冷却剂引导到其外表面来冷却出现的锭。 在第一铸造阶段期间，液体冷却剂以至少两个流的形式被引导，包括一系列第一射流形式的恒定的第一流和一系列第二射流形式的间歇的第二流。 第一和第二射流在外周和/或纵向彼此间隔开的位置冲击外表面。 当第一和第二个流体接触锭时，它们都经历电影沸腾。 本发明包括该方法的装置。
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公开(公告)号：US08312915B2
公开(公告)日：2012-11-20
申请号：US12807739
申请日：2010-09-13
申请人： Mark Douglas Anderson , Kenneth Takeo Kubo , Todd F. Bischoff , Wayne J. Fenton , Eric W. Reeves , Brent Spendlove , Robert Bruce Wagstaff
发明人： Mark Douglas Anderson , Kenneth Takeo Kubo , Todd F. Bischoff , Wayne J. Fenton , Eric W. Reeves , Brent Spendlove , Robert Bruce Wagstaff
IPC分类号： B22D11/00
CPC分类号： B22D11/103 , B22D11/007 , Y10T428/12222 , Y10T428/12451 , Y10T428/12472 , Y10T428/12493 , Y10T428/12736 , Y10T428/12764 , Y10T428/26 , Y10T428/264
摘要： An apparatus is described for the casting of a composite metal ingot having two or more separately formed layers of one or more alloys. An open ended annular mould is provided having a divider wall dividing a feed end of the mould into at least two separate feed chambers. For each pair of adjacent feed chambers, a first alloy stream is fed through one of the pair of feed chambers into the mould and a second alloy stream is fed through another of the feed chambers. A self-supporting surface is generated on the surface of the first alloy stream and the second alloy stream is contacted with the first stream. By carefully selecting conditions and positions where the alloy streams meet, a composite metal ingot is formed in which the alloy layers are mutually attached with a substantially continuous metallurgical bond.
摘要翻译： 描述了一种用于铸造具有两个或多个单独形成的一种或多种合金层的复合金属锭的装置。 提供了一种开口的环形模具，其具有将模具的进给端分成至少两个分开的进料室的分隔壁。 对于每对相邻的进料室，第一合金流通过一对进料室中的一个进料到模具中，并且第二合金流通过另一个进料室进料。 在第一合金流的表面上产生自支撑表面，并且第二合金流与第一流接触。 通过仔细选择合金流相遇的条件和位置，形成复合金属锭，其中合金层以基本上连续的冶金结合相互连接。
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公开(公告)号：US20120160442A1
公开(公告)日：2012-06-28
申请号：US13333469
申请日：2011-12-21
申请人： Mark Anderson , Todd F. Bischoff , James Boorman , Wayne J. Fenton , David Sinden , John Steven Tingey , Robert Bruce Wagstaff
发明人： Mark Anderson , Todd F. Bischoff , James Boorman , Wayne J. Fenton , David Sinden , John Steven Tingey , Robert Bruce Wagstaff
CPC分类号： B22D11/049 , B22D11/10 , B22D11/18 , B22D11/185 , B22D11/186 , B22D19/10 , B22D41/18
摘要： An exemplary embodiment provides a method of eliminating a shrinkage cavity in a metal ingot cast by direct chill casting. The method involves casting an upright ingot having an upper surface at an intended height. Upon completion of the casting, the lower tip of the spout is maintained below the molten metal near the center of the upper surface. The metal flow through the spout is terminated and a partial shrinkage cavity is allowed to form as metal of the ingot shrinks and contracts. Before the partial cavity exposes the lower tip of the spout, the cavity is preferably over-filled with molten metal, while avoiding spillage of molten metal, and then the flow of metal through the spout is terminated. These steps are repeated until no further contraction of the metal causes any part of the upper surface to contract below the intended ingot height.
摘要翻译： 示例性实施例提供了一种通过直接冷却铸造来消除铸造金属铸锭中的收缩腔的方法。 该方法包括将具有上表面的竖直铸锭铸造在预期高度。 铸造完成时，喷嘴的下端保持在靠近上表面中心的熔融金属的下方。 通过喷口的金属流动被终止，并且由于金属的金属收缩而收缩，允许形成部分收缩腔。 在部分腔体暴露喷嘴的下端之前，优选地，空腔被熔融金属过度填充，同时避免熔融金属的溢出，然后终止通过喷嘴的金属流。 重复这些步骤，直到金属的进一步收缩导致上表面的任何部分收缩到低于预期的锭高度。
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6.发明授权Sequential casting of metals having the same or similar co-efficients of contraction 有权具有相同或相似收缩系数的金属的连续铸造公开(公告)号：US07882887B2
公开(公告)日：2011-02-08
申请号：US12220954
申请日：2008-07-29
IPC分类号： B22D11/00
CPC分类号： B22D11/007
摘要： A method and apparatus is disclosed for casting metals in a DC mold to form an ingot or product having at least two layers formed by sequential solidification. The apparatus has at least one cooled divider wall at the entry end portion of the mold to divide the entry end portion into at least two feed chambers. Metal is fed to the chambers to form an inner layer and at least one outer layer. The divider wall has a metal-contacting surface for contacting the metal for the at least one outer layer, the surface being arranged at an angle sloping away from the metal for the outer layer in a downward direction. The angle is larger at the center of the divider wall compared to the angle adjacent to each longitudinal end thereof. The apparatus is suitable for co-casting metals having similar coefficients of contraction to minimize problems of adhesion between the layers of a resulting ingot or rolled products produced therefrom.
摘要翻译： 公开了一种用于在DC模具中铸造金属以形成具有通过连续凝固形成的至少两层的锭或产品的方法和装置。 该装置在模具的入口端处具有至少一个冷却的分隔壁，以将入口端部分分成至少两个进料室。 将金属进料到室以形成内层和至少一个外层。 分隔壁具有用于接触用于至少一个外层的金属的金属接触表面，该表面布置成在向下的方向上以远离外层金属的方式倾斜。 与分隔壁的每个纵向端相邻的角度相比，分隔壁的中心处的角度较大。 该装置适合共铸具有相似收缩系数的金属，以最小化由此产生的铸锭或轧制产品的层之间的粘合问题。
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公开(公告)号：US20110005704A1
公开(公告)日：2011-01-13
申请号：US12807739
申请日：2010-09-13
申请人： Mark Douglas Anderson , Kenneth Takeo Kubo , Todd F. Bischoff , Wayne J. Fenton , Eric W. Reeves , Brent Spendlove , Robert Bruce Wagstaff
发明人： Mark Douglas Anderson , Kenneth Takeo Kubo , Todd F. Bischoff , Wayne J. Fenton , Eric W. Reeves , Brent Spendlove , Robert Bruce Wagstaff
IPC分类号： B22D9/00
CPC分类号： B22D11/103 , B22D11/007 , Y10T428/12222 , Y10T428/12451 , Y10T428/12472 , Y10T428/12493 , Y10T428/12736 , Y10T428/12764 , Y10T428/26 , Y10T428/264
摘要： A method and apparatus are described for the casting of a composite metal ingot having two or more separately formed layers of one or more alloys. An open ended annular mould is provided having a divider wall dividing a feed end of the mould into at least two separate feed chambers. For each pair of adjacent feed chambers, a first alloy stream is fed through one of the pair of feed chambers into the mould and a second alloy stream is fed through another of the feed chambers. A self-supporting surface is generated on the surface of the first alloy stream and the second alloy stream is contacted with the first stream. By carefully selecting conditions and positions where the alloy streams meet, a composite metal ingot is formed in which the alloy layers are mutually attached with a substantially continuous metallurgical bond.
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公开(公告)号：US20090288795A1
公开(公告)日：2009-11-26
申请号：US12454655
申请日：2009-05-21
CPC分类号： B22D11/007 , B22D7/02 , B22D7/08 , B22D43/001 , B22D43/007
摘要： A method and apparatus is disclosed for casting a composite ingot made of metals that are susceptible to surface oxide formation when molten. The method involves co-casting at least two metal layers from at least two molten metal pools formed within a direct chill casting apparatus. During the casting operation, movement of metal oxide formed on the upper surface of at least one of the pools towards an edge of the pool is restrained by an oxide skimmer positioned close to an edge of the pool above an external surface or metal-metal interface of the ingot. The apparatus provides a DC caster with at least one oxide skimmer that operates in this manner.
摘要翻译： 公开了一种用于铸造由金属制成的复合锭的方法和装置，其在熔融时易于形成表面氧化物。 该方法包括从形成在直接冷却铸造装置内的至少两个熔融金属池共铸铸造至少两个金属层。 在铸造操作期间，形成在至少一个池的上表面上的金属氧化物的移动朝向池的边缘通过在外表面或金属 - 金属界面上靠近池边缘定位的氧化物分离器来限制 的锭。 该设备提供具有至少一个以这种方式操作的氧化物分选机的DC脚轮。
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9.发明申请Sequential casting of metals having the same or similar co-efficients of contraction 有权具有相同或相似收缩系数的金属的连续铸造公开(公告)号：US20090056904A1
公开(公告)日：2009-03-05
申请号：US12220954
申请日：2008-07-29
CPC分类号： B22D11/007
摘要： A method and apparatus is disclosed for casting metals in a DC mold to form an ingot or product having at least two layers formed by sequential solidification. The apparatus has at least one cooled divider wall at the entry end portion of the mold to divide the entry end portion into at least two feed chambers. Metal is fed to the chambers to form an inner layer and at least one outer layer. The divider wall has a metal-contacting surface for contacting the metal for the at least one outer layer, the surface being arranged at an angle sloping away from the metal for the outer layer in a downward direction. The angle is larger at the center of the divider wall compared to the angle adjacent to each longitudinal end thereof. The apparatus is suitable for co-casting metals having similar coefficients of contraction to minimize problems of adhesion between the layers of a resulting ingot or rolled products produced therefrom.
摘要翻译： 公开了一种用于在DC模具中铸造金属以形成具有通过连续凝固形成的至少两层的锭或产品的方法和装置。 该装置在模具的入口端处具有至少一个冷却的分隔壁，以将入口端部分分成至少两个进料室。 将金属进料到室以形成内层和至少一个外层。 分隔壁具有用于接触用于至少一个外层的金属的金属接触表面，该表面布置成在向下的方向上以远离外层金属的方式倾斜。 与分隔壁的每个纵向端相邻的角度相比，分隔壁的中心处的角度较大。 该装置适合共铸具有相似收缩系数的金属，以最小化由此产生的铸锭或轧制产品的层之间的粘合问题。
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公开(公告)号：US08347949B2
公开(公告)日：2013-01-08
申请号：US13333469
申请日：2011-12-21
申请人： Mark Anderson , Todd F. Bischoff , James Boorman , Wayne J. Fenton , David Sinden , John Steven Tingey , Robert Bruce Wagstaff
发明人： Mark Anderson , Todd F. Bischoff , James Boorman , Wayne J. Fenton , David Sinden , John Steven Tingey , Robert Bruce Wagstaff
IPC分类号： B22D11/049
CPC分类号： B22D11/049 , B22D11/10 , B22D11/18 , B22D11/185 , B22D11/186 , B22D19/10 , B22D41/18
摘要： An exemplary embodiment provides a method of eliminating a shrinkage cavity in a metal ingot cast by direct chill casting. The method involves casting an upright ingot having an upper surface at an intended height. Upon completion of the casting, the lower tip of the spout is maintained below the molten metal near the center of the upper surface. The metal flow through the spout is terminated and a partial shrinkage cavity is allowed to form as metal of the ingot shrinks and contracts. Before the partial cavity exposes the lower tip of the spout, the cavity is preferably over-filled with molten metal, while avoiding spillage of molten metal, and then the flow of metal through the spout is terminated. These steps are repeated until no further contraction of the metal causes any part of the upper surface to contract below the intended ingot height.
摘要翻译： 示例性实施例提供了一种通过直接冷却铸造来消除铸造金属铸锭中的收缩腔的方法。 该方法包括将具有上表面的竖直铸锭铸造在预期高度。 铸造完成时，喷嘴的下端保持在靠近上表面中心的熔融金属的下方。 通过喷口的金属流动被终止，并且允许部分收缩腔形成为金属的锭收缩并收缩。 在部分腔体暴露喷嘴的下端之前，优选地，空腔被熔融金属过度填充，同时避免熔融金属的溢出，然后终止通过喷嘴的金属流。 重复这些步骤，直到金属的进一步收缩导致上表面的任何部分收缩到低于预期的锭高度。
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