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1. 发明授权

US09616492B2 Core making method and apparatus 有权
公开(公告)号：US09616492B2
公开(公告)日：2017-04-11
申请号：US14487241
申请日：2014-09-16
申请人： PCC AIRFOILS, INC.
发明人： Anthony Vecchio , Luke Rodgers , Jack Guritza
IPC分类号： B22C9/10 , B22C9/22 , B22C9/12 , B22C9/24
CPC分类号： B22C9/10 , B22C9/12 , B22C9/22 , B22C9/24
摘要： A ceramic mixture is shaped to form a ceramic core having a configuration which corresponds to the configuration of a cavity in an airfoil. The ceramic core is positioned between a plurality of arrays of burners. Flames from the burners burn organic material contained in the ceramic core. During burning of the organic material, the core is upright with a longitudinal central axis of the core in a generally vertical orientation. The ceramic core may be dipped in a ceramic material after having performed the step of burning organic material and prior to additional heat treatment of the ceramic core.

2. 发明授权

US08056607B2 Method of casting metal articles 有权
标题翻译：铸造金属制品的方法
公开(公告)号：US08056607B2
公开(公告)日：2011-11-15
申请号：US12768314
申请日：2010-04-27
申请人： Robert M. Garlock , Gary J. Vanek
发明人： Robert M. Garlock , Gary J. Vanek
IPC分类号： B22D27/04
CPC分类号： B22D27/04 , B22C9/043 , B22D23/02 , B22D27/003 , B22D27/045
摘要： A method of casting metal articles includes providing a plurality of interconnected support sections. Article mold sections are positioned on the support sections. After article mold cavities, have been filled with a molten metal which is at a first temperature, the support sections and a body of a second molten metal are moved relative to each other while the body of a second molten metal is at a temperature which is less than the first temperature. Space extending between side surfaces of the support sections and between side portions of the article mold sections is filled with the second molten metal during movement between the support sections and the body of a second molten metal. A layer of insulating material may be provided above the body of a second molten metal. A baffle may be provided between a container holding the body of a second molten metal and a furnace assembly.
摘要翻译：铸造金属制品的方法包括提供多个相互连接的支撑部分。制品模具部分位于支撑部分上。在物品模腔之后，已经填充有处于第一温度的熔融金属，第二熔融金属的主体在第二熔融金属的主体处于第一温度时，支撑部分和第二熔融金属的主体相对于彼此移动，小于第一温度。在支撑部分和第二熔融金属的主体之间移动期间，在支撑部分的侧表面之间和制品模具部分的侧部之间延伸的空间被第二熔融金属填充。可以在第二熔融金属的主体上方设置一层绝缘材料。可以在容纳第二熔融金属的主体的容器和炉组件之间设置挡板。

3. 发明授权

US5853044A Method of casting an article 失效
标题翻译：铸造物品的方法
公开(公告)号：US5853044A
公开(公告)日：1998-12-29
申请号：US636926
申请日：1996-04-24
申请人： Harold L. Wheaton , Lawrence D. Graham
发明人： Harold L. Wheaton , Lawrence D. Graham
IPC分类号： B22C7/02 , B22C9/04
CPC分类号： B22C7/02 , B22C21/14 , B22C9/04
摘要： A wax article pattern having a cavity corresponding to a cavity in a metal article is provided. The cavity in the wax article pattern is filled with a slurry of ceramic core material. The slurry of ceramic core material is solidified to form a core. The wax article pattern is enclosed by ceramic mold material. The ceramic mold material is solidified to form a mold. The wax pattern is removed from the mold to leave an article mold cavity. The article mold cavity is filled with molten metal which is solidified to form the metal article. A passage in the metal article may be formed by a pin which extends from the wax article pattern into the cavity in the wax article pattern and is enclosed by the slurry of ceramic core material.
摘要翻译：提供具有与金属制品中的空腔相对应的空腔的蜡制品图案。蜡制品图案中的空腔填充有陶瓷芯材料的浆料。将陶瓷芯材料的浆料固化形成核心。蜡制品图案由陶瓷模具材料包围。陶瓷模具材料被固化以形成模具。蜡模从模具中取出以留下制品模腔。制品模具腔充满熔融金属，其被固化以形成金属制品。金属制品中的通道可以由从蜡制品图案延伸到蜡制品图案中的空腔中并由陶瓷芯材料的浆料包围的销形成。

4. 发明授权

US5069265A Method of making a turbine engine component 失效
标题翻译：制造涡轮发动机部件的方法
公开(公告)号：US5069265A
公开(公告)日：1991-12-03
申请号：US499029
申请日：1990-03-26
申请人： William S. Blazek
发明人： William S. Blazek
IPC分类号： B22C9/04
CPC分类号： B22C9/04 , Y10T29/49323
摘要： A turbine engine component includes an annular array of airfoils which extend between inner and outer shroud rings. In order to accommodate thermal expansion of the airfoils, space is provided in a shroud ring rail. To provide space in the shroud ring rail, core material is positioned at the ends of the airfoils. The core material may be preformed separetely from the airfoils or may be a coating which is applied to end portions of the airfoils. Wax pattern material partially encloses the end portions of the airfoils and core material. The shroud ring pattern and the core material are covered with ceramic mold material to form a mold. The shroud ring pattern is then removed from the mold to leave the core material disposed in the shroud ring mold cavity at the end portions of the airfoils. As the mold is preheated, bonds between the core material and the airfoils are broken and the core material is gripped between end portions of the airfoils and the ceramic mold material. The shroud ring mold cavity is then filled with molten metal which is solidified to form the shroud ring. The core material is then removed from the shroud ring to leave space to accommodate thermal expansion of the airfoils.
摘要翻译：涡轮发动机部件包括在内护罩环和外护罩环之间延伸的翼型件的环形阵列。为了适应翼型件的热膨胀，在护罩环形轨道中设置空间。为了在护罩环形轨道中提供空间，芯材料位于翼型件的端部。芯材料可以从翼型件分离地预成型，或者可以是施加到翼型件端部的涂层。蜡图案材料部分地包围翼型件和芯材的端部。护罩环图案和芯材被陶瓷模具材料覆盖以形成模具。然后将护罩环图案从模具中取出，以将设置在护罩环模腔中的芯材留在翼型件的端部。当模具被预热时，芯材和翼型件之间的接合被破坏，芯材被夹在翼型件的端部和陶瓷模具材料之间。然后用熔融金属填充护罩环模具腔，熔融金属固化形成护罩环。然后将芯材从护罩环移除以留出空间以适应翼型件的热膨胀。

5. 发明授权

US4905752A Method of casting a metal article 失效
标题翻译：铸造金属制品的方法
公开(公告)号：US4905752A
公开(公告)日：1990-03-06
申请号：US312044
申请日：1989-02-16
申请人： T. V. Rama Prasad
发明人： T. V. Rama Prasad
IPC分类号： B22D27/04
CPC分类号： B22D27/045
摘要： A long thin article having an enlarged end portion, such as a vane having a long thin airfoil and a shroud at the end of the airfoil, is cast by using a chill at the enlarged end portion of an article mold cavity. The chill is engaged by molten metal at the enlarged end portion of the article mold cavity. The molten metal quickly solidifies adjacent to the chill to eliminate the formation of defects. The chill is advantageously located in a pocket disposed at one end of the article mold cavity. The chills are placed in the pockets with the molds in an up-side-down orientation. The mold is then turned right-side-up and placed on a chill plate. The chills project from the mold and support the mold above the chill plate. During casting of an article, heat is transmitted from the enlarged end portion of the article through chill to the chill plate.
摘要翻译：通过在制品模腔的扩大端部处使用冷却，使具有扩大端部的长的薄制品（例如具有长薄翼型的翼片和在翼型的端部处的护罩）被浇铸。冷却在制品模腔的扩大端部处由熔融金属接合。熔融金属在冷却附近快速固化，以消除缺陷的形成。冷藏有利地位于设置在制品模腔一端的口袋中。将寒冷放置在口袋中，模具处于上下方向。然后将模具右侧向上转动并放置在冷却板上。来自模具的冷却工程从冷却板上方支撑模具。在铸造制品期间，热量通过冷却从制品的扩大端部传递到冷却板。

6. 发明授权

US4809764A Method of casting a metal article 失效
标题翻译：铸造金属制品的方法
公开(公告)号：US4809764A
公开(公告)日：1989-03-07
申请号：US174007
申请日：1988-03-28
申请人： T. V. Rama Prasad
发明人： T. V. Rama Prasad
IPC分类号： B22D27/04
CPC分类号： B22D27/045
摘要： A long, thin article or portion of an article of an equiaxed metal is cast without providing gates along the length of a portion of a mold cavity in which the long thin portion of the article is cast. Prior to casting the article, the lower half of the long thin portion of the article mold is heated into a temperature range in which the highest temperature is close to but less than the solidus temperature of the metal of the article. Molten metal is conducted into the long thin portion of the article mold cavity at a location other than along the length of the long thin portion of the article mold cavity. During solidification of the molten metal, molten metal is simultaneously solidified along surface areas in the lower half of the long thin portion of the mold cavity and along surface areas in the upper half of the long thin portion of the mold cavity. The solidificaton of the molten metal in the lower half of the long thin portion of the mold cavity is completed prior to completion of solidification of the molten metal in the upper half of the long thin portion of the mold cavity.
摘要翻译：将等长金属制品的长而薄的制品或部分铸造成不沿着模具腔的一部分的长度提供浇口，其中铸造制品的长薄部分。在铸造物品之前，制品模具的长薄部分的下半部分被加热到最高温度接近但小于制品金属的固相线温度的温度范围。熔融金属沿着制品模具腔的长薄部分的长度以外的位置被导入制品模腔的长薄部分。在熔融金属固化期间，熔融金属同时沿着模腔的长薄部分的下半部分中的表面区域和模腔长薄部分的上半部分中的表面区域固化。在模具的长薄部分的上半部分中的熔融金属凝固完成之前，模具腔的长薄部分的下半部分中的熔融金属的凝固完成。

7. 发明授权

US4667728A Method and apparatus for casting articles 失效
标题翻译：铸造物品的方法和装置
公开(公告)号：US4667728A
公开(公告)日：1987-05-26
申请号：US854301
申请日：1986-04-21
申请人： Lawrence D. Graham
发明人： Lawrence D. Graham
IPC分类号： B22C9/08 , B22D33/04
CPC分类号： B22D33/04
摘要： In order to maintain fluid tight seals between open ended article mold cavities and a chill plate and to prevent cracking of article molds at connections with a base plate, the base plate has sections which can be moved relative to each other under the effect of thermal expansion forces transmitted from a molten metal distribution system connected with the upper ends of the article molds. The base plate may be formed as one piece with stress concentration areas. During the casting of articles, stresses in the base plate crack the base plate at the areas of stress concentration to form the separate sections of the base plate. The areas of stress concentration can be formed by slots or grooves in the base plate. The areas of stress concentration can also be formed by bodies of expansion material having a greater coefficient of thermal expansion than the ceramic material of the base plate. Upon heating of the base plate, the bodies of expansion material expand to a greater extent than the ceramic material of the base plate and crack the base plate in preselected areas which are spaced from the connections between the article molds and the base plate.
摘要翻译：为了在开放式制品模腔和冷却板之间保持流体密封，并且在与基板连接的情况下防止制品模具开裂，基板具有可在热膨胀的作用下相对于彼此移动的部分从与制品模具的上端连接的熔融金属分配系统传递的力。基板可以形成为具有应力集中区域的一体。在制品的铸造过程中，基板上的应力在应力集中区域处裂开基板，形成基板的分开部分。应力集中区域可以由基板中的槽或槽形成。应力集中的区域也可以由具有比基板的陶瓷材料更大的热膨胀系数的膨胀材料体形成。在加热基板时，膨胀材料体会比基板的陶瓷材料膨胀得更大，并且在与制品模具和基板之间的连接部分间隔开的预选区域中裂开基板。

8. 发明授权

US08171981B2 Method of casting metal articles 失效
标题翻译：铸造金属制品的方法
公开(公告)号：US08171981B2
公开(公告)日：2012-05-08
申请号：US12273998
申请日：2008-11-19
申请人： Lawrence D. Graham , Robert M. Garlock , Gary J. Vanek
发明人： Lawrence D. Graham , Robert M. Garlock , Gary J. Vanek
IPC分类号： B22D27/04
CPC分类号： B22D27/045
摘要： During casting of metal articles, a mold is moved into a body or bath of molten metal. The mold is moved into a container which contains a portion of the body of molten metal. Heat is transferred at a first rate from the mold to a first portion of the body of molten metal disposed above the container. Heat is transferred at a second rate from the mold to the second portion of the body of molten metal at least part of which is disposed in the container. The container retards movement of molten metal relative to the mold to effect an increase in the temperature of the molten metal in the container and thereby retards transfer of heat from a portion of the mold disposed in the container to the body of molten metal. The mold enters the container through an opening at the upper end portion of the container. One or more additional openings may be provided at the lower end portion of the container.
摘要翻译：在铸造金属制品期间，将模具移动到熔融金属的主体或浴槽中。将模具移动到容纳熔融金属体的一部分的容器中。热量以第一速率从模具转移到设置在容器上方的熔融金属体的第一部分。热量以第二速率从模具转移到熔融金属体的第二部分，其中至少一部分设置在容器中。容器延长熔融金属相对于模具的移动，以使容器中熔融金属的温度升高，从而阻止热量从设置在容器中的模具的一部分转移到熔融金属体中。模具通过容器上端部分的开口进入容器。可以在容器的下端部设置一个或多个另外的开口。

9. 发明授权

US07448428B2 Method of casting 有权
标题翻译：铸造方法
公开(公告)号：US07448428B2
公开(公告)日：2008-11-11
申请号：US11250199
申请日：2005-10-14
申请人： Lawrence D. Graham , Scott T. Hill
发明人： Lawrence D. Graham , Scott T. Hill
IPC分类号： B22D27/04
CPC分类号： B22D27/04 , B22D21/005 , B22D21/025 , B22D27/06 , B22D27/15 , C30B11/003 , C30B29/52
摘要： A Method of casting includes providing a mold having one or more article mold cavities. The mold is moved into a furnace. While the mold is in the furnace, the mold is filled with molten metal. After the mold has been removed from the furnace, a heater is positioned adjacent to the mold and heat is transmitted from the heater to the mold. The heater may include electrically energizable resistance type heating elements, or a source of radiant energy or a gas burner.
摘要翻译：一种铸造方法包括提供具有一个或多个制品模具腔的模具。将模具移入炉中。当模具在炉中时，模具中充满熔融金属。在模具从炉中取出之后，将加热器定位成与模具相邻，并且加热器从加热器传递到模具。加热器可以包括电激励电阻型加热元件或辐射能源或气体燃烧器。

10. 发明申请

US20040016529A1 APPARATUS AND METHOD FOR CASTING A METAL ARTICLE 失效
标题翻译：铸造金属制品的装置和方法
公开(公告)号：US20040016529A1
公开(公告)日：2004-01-29
申请号：US10201216
申请日：2002-07-23
申请人： PCC Airfoils, Inc.
发明人： Lawrence D. Graham
IPC分类号： B22D027/04
CPC分类号： B22D27/045
摘要： As a mold containing molten metal is lowered from a heating chamber, a baffle extends around the mold. Force is transmitted from the mold to an inner section of the baffle to release connectors between the inner section of the baffle and an outer section of the baffle. As the connectors are released, a side surface on the inner section of the baffle moves out of the coplanar relationship with a side surface on the outer section of the baffle. The baffle may be integrally formed as one-piece. Rather than being formed as one-piece, the baffle may include separate pieces which form the inner and outer sections of the baffle. Alternatively, the inner section of the baffle may be disposed above and supported by the outer section of the baffle. Latches may be provided to interconnect the outer section of the baffle and the furnace assembly.
摘要翻译：当从加热室降低包含熔融金属的模具时，挡板围绕模具延伸。力从模具传递到挡板的内部，以释放挡板的内部部分和挡板的外部之间的连接器。当连接器被释放时，挡板的内部部分上的侧表面与挡板的外部部分上的侧表面离开共面关系。挡板可以整体形成为一体式。挡板可以包括形成挡板的内部和外部部分的分隔件，而不是形成为一体式。或者，挡板的内部部分可以设置在挡板的外部部分的上方并由其支撑。可以提供闩锁以将挡板的外部部分和炉组件互连。

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