序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
81 真空压铸中控制真空度的方法以及完成该方法的真空控制系统 CN96110943.2 1996-06-08 CN1064571C 2001-04-18 岩本典裕; 儿玉忍
一种在真空压铸中控制真空度的方法以及一个完成该方法的真空控制系统。它根据一个压射柱塞位置来调节打开一个真空(19)用以开始排气的时间,以便在射入型腔内的熔融金属中气体可不被卷入。
82 METHOD AND PLANT FOR MANUFACTURING LIGHT ALLOY CASTINGS BY INJECTION DIE CASTING WITH NON-METALLIC CORES PCT/IB2013054409 2013-05-28 WO2013179225A4 2014-05-15 MANCINI FLAVIO
A method for manufacturing light alloy castings by die casting with disposable cores (71, 72), including a mold (6) filling phase in which the parameters of pressure and speed of the molten alloy (1) are controlled at levels tolerable by the cores (71, 72) until the cavities around the latter are filled by the molten alloy (1), and thereafter the pressure and speed parameters are controlled at levels suitable for completing and compacting the casting, the alloy (1) being kept at a temperature close to its melting temperature throughout the whole path between the pump (2) that pressurizes it and the entrance to the cavities around the cores (71, 72). The invention relates also to a plant implementing said method by means of a pump (2) connected to a mold (6) through a duct (54, 55, 57) that comes out within the casting envelope at a point close to the centroid of the cores (71, 72).
83 METHOD FOR THE PRODUCTION OF A HOLLOW METAL PART BY MEANS OF CASTING PCT/FR2013050792 2013-04-11 WO2013156713A3 2014-04-10 LONGA YVES; DE RUFFRAY JEAN
The invention relates to a method for the production of a hollow metal part by means of casting, said method comprising the following steps of: providing a destructible core (20) having a body (22) made from aggregates, and an outer shell (40) which surrounds the body (22) and is adhered thereto; placing the core (20) in a mould (50); melting and injecting liquid metal, generally under pressure, into the mould (50) around the core, said core (20) forming an inner space in the part; after solidification of the part, disaggregating the body and removing same through outlets provided in the outer shell and the part; and destroying the outer shell and removing same through outlets provided in the part.
84 METHOD AND PLANT FOR MANUFACTURING LIGHT ALLOY CASTINGS BY INJECTION DIE CASTING WITH NON-METALLIC CORES PCT/IB2013054409 2013-05-28 WO2013179225A3 2014-03-20 MANCINI FLAVIO
A method for manufacturing light alloy castings by die casting with disposable cores (71, 72), including a mold (6) filling phase in which the parameters of pressure and speed of the molten alloy (1) are controlled at levels tolerable by the cores (71, 72) until the cavities around the latter are filled by the molten alloy (1), and thereafter the pressure and speed parameters are controlled at levels suitable for completing and compacting the casting, the alloy (1) being kept at a temperature close to its melting temperature throughout the whole path between the pump (2) that pressurizes it and the entrance to the cavities around the cores (71, 72). The invention relates also to a plant implementing said method by means of a pump (2) connected to a mold (6) through a duct (54, 55, 57) that comes out within the casting envelope at a point close to the centroid of the cores (71, 72).
85 VACUUM DIE-CASTING SYSTEM, AND METHOD FOR OPERATING A VACUUM DIE-CAST SYSTEM PCT/DE2010001104 2010-09-22 WO2011035765A9 2011-08-11 WERNER MICHAEL; ZWIRNER THOMAS; HOFMEISTER JUERGEN; KACZMARCZYK ROMAN
The invention relates to a vacuum die-casting system and a method for operating a vacuum die-casting system.
86 METHOD FOR OPERATING A VACUUM DIE-CASTING MACHINE PCT/EP2015059779 2015-05-05 WO2015169777A3 2016-03-31 STALDER CLAUDE; KERN ROMAN
The invention relates to a method for determining the position of at least one opening (9, 10) in a casting chamber (6) of a die-casting machine (1), wherein a casting plunger (7) is contained in the casting chamber (6), the casting plunger (7) is moved into a position in which communication between the opening (9, 10) to be determined and the casting chamber (6) is no longer possible, and it is determined, on the basis of the vacuum in the connecting line (14, 15), when the casting plunger (7) has reached said position. The invention further relates to a method for operating a vacuum die-casting machine, characterized in that a casting curve for performing a casting cycle is determined on the basis of specified and/or experimentally determined characteristic values of the die-casting machine by means of a computer program product for operating the die-casting machine, and to a corresponding computer program product.
87 VACUUM SYSTEM FOR VACUUM MELTING AND CASTING METAL, AND VACUUM MELTING AND CASTING METHOD USING SAME PCT/KR2009005319 2009-09-18 WO2010041830A3 2010-06-24 KO DONG GEUN
The present invention relates to a vacuum system for vacuum melting and casting metal, and a vacuum melting and casting method using same, and more particularly, to a vacuum system for vacuum melting and casting metal, said vacuum system comprising: a vacuum pump device (256); a vacuum melting chamber (20) which is connected to the vacuum pump device (256) to enable metal melting under a vacuum condition, and which has an interior equipped with a melting furnace (110); a material injection tube (120) connected to the vacuum pump device (256) to provide metal material (01) into the vacuum melting chamber (20) under a vacuum condition; and a casting device (400) connected to the vacuum pump device (256) and the vacuum melting chamber (20) to perform casting by using the molten metal supplied from the vacuum melting chamber (20) under a vacuum condition. The present invention also relates to a vacuum melting and casting method using the vacuum system.
88 METHOD FOR CONTROLLING A VACUUM VALVE OF A VACUUM DIECASTING DEVICE AND VACUUM DIECASTING DEVICE PCT/EP0210234 2002-09-12 WO03022489A3 2003-08-07 WUEST JUERGEN; WAEHRISCH KLAUS; AUER DIETER; WENZEL ELISABETH; BAGNOUD CHRISTOPHE
The invention relates to a vacuum diecasting device that comprises a casting cavity (10) which can be evacuated via a vacuum valve (26) and into which a liquid casting material can be pressed by a piston (14) that is actuated by an actuator (17). The device further comprises a level sensor (20) for detecting a level of the casting material in the casting cavity, a control device (34), linked with the level sensor, for controlling the vacuum valve, and a position sensor (32), linked with the control device (34), for detecting the movement of the piston (14). The control device produces a close signal for the vacuum valve (26) when the piston, once position (s1) is reached, at which the level sensor (20) indicates a predetermined level of the casting material in the casting cavity (10), has been displaced in a predetermined manner.
89 METHOD AND APPARATUS FOR CASTING METAL ARTICLES PCT/BG0000003 2000-01-24 WO0045979A3 2000-12-07 PETKANTCHIN LUBOMIR TODOROV
The invention consists of method and apparatus for casting metal articles in a mould set comprising an immovable mould half (7), a movable mould half (20) and pressing punches set (18 and 25) driven by separate hydraulic cylinders. The mould in which the atmosphere is first replaced with an inert gas, is filled with molten metal pneumatically from furnace (1) by means of a gate running system (9) which is situated on one side of the mould cavity and is connected to it by means of the runner (10). Permanently controlled inert gas pressure is maintained in the furnace. In the gate running system is located a filter (11) in the region of the separation of both mould halves. The cast article shaping is performed in three stages : during the first stage the compressing is performed by the gas pressure ; during the second, after interruption of the runner by some of the pressing punches, the compressing of the thin-section parts of the cast article is performed; during the third stage the thick-section parts of the cast article are compressed by the second pressing punches. There are several ways to control the partial compressing pressure for particular regions of the cast article to ensure the same structure in the entire cast article.
90 SUCTION VALVE DEVICE FOR RELEASING GAS FROM A MOULD PCT/IB2012052781 2012-06-01 WO2012168841A3 2013-10-24 BIGGER RENE; BAGNOUD CHRISTOPHE
The invention relates to a valve device for a pressure injection or die-casting machine, said device comprising a body (18) with a valve chamber (21) including a suction chamber and a control chamber, and a sliding valve (20) mounted in the valve chamber, said sliding valve comprising a first portion (34) with a valve head (44) that co-operates with a valve seat (22) on the body in order to open and close the valve and a second portion (35) comprising a piston (38) mounted in the control chamber (21a). The control chamber is connected to fluid control connections (26a, 26b) in order to exert a pressure on the piston (38) so as to control the opening and closing of the valve. The second valve portion and the first valve portion are aligned on the same axis in the direction of movement of the sliding valve and said first and second portions of the sliding valve can be separated from one another and secured to one another using a removable securing member (36, 36').
91 NANO-ENGINEERED ULTRA-CONDUCTIVE NANOCOMPOSITE COPPER WIRE PCT/US2011065191 2011-12-15 WO2012083036A2 2012-06-21 NAYFEH TAYSIR H; WIEDERHOLT ANITA M
Nano-composite structures are formed by pre-loading carbon nanotubes (CNTs) into at least one of a plurality of channels running the length of a cartridge, placing the pre-loaded cartridge in a piston chamber of a die-casting machine, creating a vacuum therein, and filing the piston chamber with molten metal to soak the pre-loaded cartridge and fill empty cartridge channels. Pressure is applied via the piston to eject the carbon nanotubes and molten metal from the cartridge channels and inject the nano-composite mixture into a rod-shaped die cavity. The internal diameter of the cavity is equal to or less than the final diameter of the nozzle. The nano-composite mixture is cooled to form a solid nano- composite rod having the first predetermined diameter, wherein the carbon nanotubes are aligned in a non-random manner. Furthermore, drawing down the nano-composite rod to smaller diameter wire further disperses the nanotubes along the length of the wire.
92 DIE CASTING MACHINE AND CASTING METHOD BY THEREOF MACHINE PCT/KR2004001326 2004-06-03 WO2004105979A2 2004-12-09 GO DONG KEUN
The present invention relates to a die casting machine. A molten metal (melted liquid) is supplied into a vacuous casting space that is formed by a combination of a movable mold and a fixed mold. The molten metal is first moved in a horizontal direction along a molten metal injection pipe and is then injected into a chamber located at the bottom of the casting space. Thereafter, the molten metal is moved in a vertical direction by means of a follower plunger and is then inserted into the casting space. Therefore, since occurrence of a warm current of the molten metal injected into a mold is prevented , a product of a high quality with no minute bubbles can be obtained. Furthermore, the present invention relates to a die casting machine having a vacuum apparatus wherein a material is injected into a vacuum tank disposed in a melted liquid crucible via a pair of valves and another valve is also disposed even in a molten metal outflow hole of the vacuum tank to keep the degree of vacuum within the vacuum tank in a good state, whereby a good-quality product made of an alloy having a high melting point that is heavily oxidized in air can be produced, and casting method using the same.
93 FABRICATING METAL MATRIX COMPOSITES CONTAINING ELECTRICAL INSULATORS PCT/US9606824 1996-05-13 WO9636450A3 1997-01-16 SAWTELL RALPH R; PREMKUMAR M K; YUN DAVID I
A method of fabricating a metal matrix composite (30) containing electrically isolated areas (34, 36, 38) and the MMC (30) formed from the method. The method comprises: (a) providing a liquid pool of unreinforced aluminum alloy; (b) infiltrating the unreinforced aluminum alloy (46) into a stack comprising upper and lower porous preforms and an electrical insulator material (42) placed between the preforms; (c) solidiying the liquid-phase metal to form a metal matrix composite product that completely surrounds the stack; and (d) forming at least one groove in the solidified metal, the groove extending downward to the insulating substrate so as to electrically isolate at least one region on the surface of the metal matrix composite.
94 Metal forming apparatus US15028991 2014-10-15 US09968997B2 2018-05-15 Yanan Wang; Qiuhui Chen
A metal forming apparatus includes an injection device and a displacement speed monitoring device. The injection device includes a moveable injection rod defining a sliding channel, and a magnet ring disposed on the injection rod, the displacement speed monitoring device includes a housing sealedly connected to the injection device, and a linear displacement sensor disposed in the housing, a rear end of the injection rod is extended into the housing such that a front end of the linear displacement sensor is located in the sliding channel.
95 Method and system for die casting a hybrid component US13248338 2011-09-29 US09925584B2 2018-03-27 Steven J. Bullied; John Joseph Marcin; Carl R. Verner
A method for die casting a hybrid component includes defining a cavity within a die element of a die and inserting a spar into the cavity. Molten metal is injected into the die element. The molten metal is solidified within the cavity to cast the hybrid component. The spar establishes an internal structure of the hybrid component. The spar includes a high melting temperature material that defines a first melting temperature greater than a second melting temperature of the molten metal.
96 Casting apparatus and casting method US14430879 2013-12-05 US09630245B2 2017-04-25 Kouji Furutani; Shinichi Kakimoto
A casting apparatus is provided with a die; an injection device including a tubular sleeve which communicates with a cavity of the die, and a plunger which injects a molten metal into the cavity; and first and second suction devices, each of which sucks air from the interior of the tubular sleeve. The tubular sleeve communicates with the cavity. The tubular sleeve includes a supply port through which the molten metal is supplied, and an opening which is formed near the supply port for drawing air. The first suction device sucks the air from the interior of the tubular sleeve through the opening. The second suction device sucks the air from the tubular sleeve through a gap between an inner circumferential surface of the tubular sleeve and an outer circumferential surface of the plunger.
97 HIGH-PRESSURE CASTING METHOD AND HIGH-PRESSURE CASTING DEVICE US15106944 2015-01-05 US20170036268A1 2017-02-09 Koichi TOMITA
Provided is a high-pressure casting method and a high-pressure casting device which are capable of safe and high-quality casting of a high-fusion-point metal having a fusion point exceeding 1000 K. After melting a casting material (1) inside a melting container (2) of cartridge type, the melting container (2) is linearly moved to pass through a guide (14) attached to a casting port bush (13) to thereby be communicated with the casting port bush (13). The melting container (2) is brought into close contact with the guide (14) and is setting to a cooling state. After the elapse of prescribed time, a plunger (50) is brought into contact with a plunger tip (4), and is immediately transferred together with a molten metal to the casting port bush (13). The molten metal is pressurized inside the casting port bush (13), and is injection-filled into a cavity (10).
98 System and method for high temperature die casting tooling US14518694 2014-10-20 US09452470B2 2016-09-27 Lea Kennard Castle; Mario P. Bochiechio
A die casting and a method for die casting a metal having a melting temperature of at least 1500° F. (815° C.) are disclosed. A molten volume of metal is injected to a casting die which includes a main cavity corresponding to an as-cast structure, a first reservoir, and a first runner arrangement. The first runner arrangement is configured to fluidly communicate molten metal between the first reservoir and the main cavity. After the injecting step, the casting die is sealed. The injected molten volume of metal is equiaxially solidified generally from a first portion of the main cavity distal to the first reservoir toward a second portion of the main cavity proximal to the first reservoir. During the equiaxial solidifying step, the main cavity is backfilled with at least a portion of the injected molten volume via the first runner arrangement.
99 CASTING AND MOLDING EQUIPMENT AND METHOD OF MANUFACTURING CASTING OF AMORPHOUS ALLOY US15167985 2016-05-27 US20160271690A1 2016-09-22 Huameng FU; Haifeng ZHANG; Aimin WANG; Zhengwang ZHU; Hongwei ZHANG; Hong LI; Yangde LI; Weirong LI; Tiezhuang TANG
A casting and molding equipment for producing a casting of amorphous alloy, including an injection system, an alloy melting system, a material feeding system, a mold system, a vacuum system, a protective gas supply system, and a vacuum chamber. The alloy melting system is disposed in the vacuum chamber and includes a melting crucible and a heating unit. The heating unit is disposed out of the melting crucible. The injection system includes an injection tube, an injection mechanism, a plunger rod, and an injection piston disposed at one end of the plunger rod. The injection mechanism is adapted to control the injection piston to move in the injection tube. The injection tube includes a pouring gate. The plunger rod, the injection tube, and the injection piston are all disposed in the vacuum chamber. The plunger rod and the vacuum chamber are vacuum sealed via a bellows.
100 Handheld electronic device, support assembly, and support assembly fabricating method US14878812 2015-10-08 US09426263B2 2016-08-23 Ailan Zhu; Mingxing Yang
The present invention provides a support assembly mounted between a rear cover and a screen of a handheld electronic device to support and fasten a component of the handheld electronic device. The support assembly includes an appearance part and an internal structure support part, where the appearance part and the internal structure support part are fabricated through integral molding of an amorphous alloy; the internal structure support part is formed by extending the top or the middle of the appearance part inwards; and an average thickness of the internal structure support part is less than 2 mm. The present invention simplifies a process of assembling the handheld electronic device. The present invention further provides a support assembly fabricating method and a handheld electronic device.
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