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    • 1. 发明专利
    • Semi-melt extrusion molding apparatus and method
    • JP5290326B2
    • 2013-09-18
    • JP2010543042
    • 2008-09-24
    • コリア インスティチュート オブ インダストリアル テクノロジー
    • シェイグァン キムヨンギョク ユンドンギン チャン
    • B21C23/00
    • B21C23/002B21C23/08B21C23/085B21F29/02B21J5/004
    • Thixoextrusion molding apparatuses and methods are provided. One embodiment of the apparatuses comprises: a container having a first through-hole storing 10 to 30 parts by weight of a semi-solid billet therein and a heater installed outside the first through-hole to maintain the temperature of the semi-solid billet constant; a stem insertable into the first through-hole from the front of the container to pressurize the semi-solid billet in the backward direction; a die ring coupled to the back of the container and having a plurality of coolant inflow/outflow holes to prevent thermal deformation in the circumferential direction; a die body disposed inside the die ring and having a second through-hole, which is in communication with the first through-hole of the container and has a smaller diameter than the first through-hole of the container, through which the semi-solid billet is extruded and a plurality of thermocouple insertion holes for measuring the temperature of the semi-solid billet; a die body support coupled to the back of the die body inside the die ring and having a plurality of coolant inflow/outflow holes so as to change the phase of the extruded semi-solid billet to a solid extrudate; a die balance support held in close contact with the die body support and coupled to the back of the die ring; and a cooling unit coupled to the die balance support to cool the solid extrudate. According to the apparatuses and methods, metals can be molded under a low extrusion pressure, the life of the apparatuses is prolonged, the strength of the metal products is improved, the ignition of the metals is inhibited during processing, the amount of a protective gas used is reduced, and the formation of welding lines is inhibited.
    • 2. 发明专利
    • Method for forming aluminum alloy
    • 形成铝合金的方法
    • JP2007118030A
    • 2007-05-17
    • JP2005311644
    • 2005-10-26
    • Aida Eng Ltdアイダエンジニアリング株式会社
    • TODA SETSUO
    • B22D18/02B21J5/00B21J5/02
    • B22D18/02B21J5/004B21K1/766
    • PROBLEM TO BE SOLVED: To provide a method for forming a product made of aluminum alloy, which product is not contaminated with gas and oxide films, and has no shrinkage cavity, and is excellent in mechanical properties. SOLUTION: The method for forming the aluminum alloy is a novel forming method for manufacturing the product by casting or forging molten metal, half molten or half solid metal of aluminum alloy using a single press die. A primary product is formed by the press die, and then the product 50d is formed by carrying out a secondary forming process, in which the primary product reached at a solidification finishing temperature is forged with a shape change rate of 10 to 40% to the primary product. In this case, the generation of the shrinkage cavities during solidification and shrinkage is prevented by directly and continuously applying a pressure to the aluminum alloy from the start of forming until the completion of forming the product. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种形成由铝合金制成的产品的方法,该产品不被气体和氧化膜污染,并且没有收缩腔,并且机械性能优异。 解决方案:用于形成铝合金的方法是通过使用单个压模来铸造或锻造熔融金属,半熔融或半固态金属铝合金来制造该产品的新颖的形成方法。 初级产品由压模形成,然后通过进行二次成型工艺形成产品50d,其中初始产品在固化终轧温度下达到,形状变化率为10-40%,形状变化率为 初级产品。 在这种情况下,通过从成型开始直到形成产品的完成直接且连续地对铝合金施加压力来防止凝固和收缩期间的收缩腔的产生。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Extrusion press device and method
    • 挤出压力装置和方法
    • JP2003033813A
    • 2003-02-04
    • JP2002153520
    • 2002-05-28
    • Alcan Technology & Management Ltdアルカン・テクノロジー・アンド・マネージメント・リミテッド
    • PLATA MIROSLAWBAGNOUD CHRISTOPHEARNOLD GREGOIREBOLLIGER MARTIN
    • B21C23/00B21C25/00B21C29/00B21C35/03B22D17/00
    • B21J5/004B21C23/00B21C23/002B21C29/00
    • PROBLEM TO BE SOLVED: To provide an extrusion device which is operated with a small power. SOLUTION: An extrusion device to produce a profile using an extrusion block (36) which is at least partially made of metal comprises a vessel (10) with a vessel bore (12) to accommodate the extrusion block (36), a stem (32), a shaping chamber and/or die (18), and a heating device (25) located between the vessel bore (12) and the die (18). The heating device (25) includes a heating chamber (22) of a hollow metal tube shape which comprises at least first and second heating chamber compartments (22a, 22b) with heating chamber walls (26a, 26b), and a means (30) to perform induction heating for the heating chamber walls (26a, 26b). With regard to the extrusion direction (x), the first heating chamber compartment (22a) has a larger cross-sectional diameter than that in the second heating chamber compartment (22b) and forms a cross-sectional reduced portion having stages.
    • 要解决的问题:提供以小功率操作的挤出装置。 解决方案:使用至少部分地由金属制成的挤出块(36)产生轮廓的挤出装置包括具有容纳挤出块(36)的容器孔(12)的容器(10),杆(32) ),成形室和/或模具(18)以及位于容器孔(12)和模具(18)之间的加热装置(25)。 加热装置(25)包括具有中空金属管形状的加热室(22),其至少包括具有加热室壁(26a,26b)的第一和第二加热室隔室(22a,22b)和装置(30) 对加热室壁(26a,26b)进行感应加热。 关于挤出方向(x),第一加热室隔室(22a)的截面直径大于第二加热室隔室(22b)的横截面直径,并且形成具有台阶的横截面减小部分。