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    • 2. 发明公开
    • Al ALLOY CAST IMPELLER FOR COMPRESSOR AND PROCESS FOR PRODUCING SAME
    • 从及其生产铝合金铸轮和方法
    • EP2913122A1
    • 2015-09-02
    • EP13849144.4
    • 2013-08-28
    • UACJ Corporation
    • TAKAHASHI, KoichiUSHIYAMA, Toshio
    • B22C9/02B22C9/22B22D15/00B22D18/04B22D27/04C22C21/06C22C21/12C22F1/047C22F1/057C22F1/00
    • F04D29/28B22C9/22B22D17/005B22D21/007B22D25/02B22D27/045C22C21/08C22C21/14C22C21/16C22C21/18C22F1/00C22F1/057F02B33/40F04D29/023
    • Provided is an aluminum alloy cast impeller for compressors that shows stable high-temperature strength at operating temperatures of about 200°C, and that has excellent productivity. The Al alloy cast impeller for compressors is configured to include a boss part, a plurality of blade parts, and a disc part. The Al alloy cast impeller for compressors is formed of an Al alloy cast that contains Cu: 1.4 to 3.2 mass% (hereinafter, "%"), Mg: 1.0 to 2.0%, Ni: 0.5 to 2.0%, Fe: 0.5 to 2.0%, and Ti: 0.01 to 0.35%. The boss part, the blade parts, and the disc part have secondary dendrite arm spacings of 20 to 50 µm, 10 to 35 µm, and 5 to 25 µm, respectively, and satisfy the relationship Amax > Bmax > Cmax, where Amax, Bmax, and Cmax are the maximum values of the secondary dendrite arm spacings of the boss part, the blade parts, and the disc part, respectively. The Al alloy cast impeller for compressors has a 0.2% proof stress value of 260 MPa or more at 200°C. A method for producing the aluminum alloy cast impeller for compressors is also disclosed.
    • 提供了一种用于压缩机的铝合金铸造叶轮那样示出了在约200℃的操作温度下稳定的高温强度,并确实具有优异的生产率。 用于压缩机的Al合金铸造叶轮被配置成包括一个凸台部分,刃部多个,并且一个圆盘部。 用于压缩机的Al合金铸造叶轮形成的Al合金铸造的并含有Cu:1.4〜3.2质量%(在后, “%”)以下,Mg:1.0〜2.0%以下,Ni:0.5〜2.0%,Fe为0.5至2.0 %,和Ti:0.01〜0.35%到。 凸台部分,所述叶片部分,并且盘部分具有20至50微米,10至35微米,和5至25微米,分别二次枝晶臂间距,并满足关系λ最大>的Bmax>的C max,其中λ最大,的Bmax 和C最大是凸起部分,所述叶片部分,并且盘部件,分别的二次枝晶臂间距的最大值​​。 所述Al合金铸造叶轮压缩机具有260兆帕以上的在200℃下的0.2%屈服应力值 一种用于制造铝合金铸造方法叶轮压缩机gibt游离缺失盘。
    • 6. 发明授权
    • TANDEM-DRUCKGUSSMASCHINE
    • 串联DRUCKGUSSMASCHINE
    • EP0326588B1
    • 1990-11-07
    • EP88902846.0
    • 1988-03-31
    • KARL LAUTENSCHLÄGER GMBH & CO. KG.
    • LAUTENSCHLÄGER, Karl
    • B22D17/00
    • B22D17/005
    • A tandem diecasting machine (10) for processing fusible metals comprises a closing unit (12) arranged on the machine frame which accommodates horizontally spaced two diecasting moulds (16; 18). Each diecasting mould comprises two half-moulds (16a, 16b; 18a, 18b) separated in a vertical plane. One half-mould (16a, 18a) of each pair is connected to the closing unit and the other half-moulds (16b; 18b) can slide horizontally in opposite directions, which enables the diecasting moulds to be opened and closed. The machine also comprises an injection unit (14) in which the metal to be processed is stored in the molten state. The metal can be fed in metered quantities by an injection cylinder to a nozzle (36) which can be connected to the closed diecasting mould (16; 18). The inlet channel of the diecasting moulds (16; 18) is arranged on the interface between the half-moulds, and the entire closing unit (17) can be moved horizontally in the longitudinal direction between two terminal positions in which the interface of the two half-moulds in a diecasting mould (16 or 18) is aligned with the nozzle (36) of the injection unit (14). The closing unit (12) and the injection unit (14) can move relative to each other, transversally or longitudinally, between one terminal position in which the injection nozzle (36) is pressed hermetically against the inlet channel of one of the diecasting moulds (16 or 18) and a second terminal position in which the nozzle (36) is separated transversally from the diecasting moulds (16; 18).
    • 一种用于处理可熔金属的串联压铸机(10)包括一个布置在机架上的封闭单元(12),其容纳水平间隔的两个压铸模具(16; 18)。 每个压铸模具包括在垂直平面中分离的两个半模(16a,16b; 18a,18b)。 每对中的一个半模(16a,18a)连接到关闭单元,并且另一个半模(16b; 18b)可以沿相反方向水平地滑动,这使得压铸模能够打开和关闭。 该机器还包括注射单元(14),待处理金属以熔融状态存储在注射单元(14)中。 金属可以通过注射缸以计量供给到可连接到闭合压铸模具(16; 18)的喷嘴(36)。 压铸模具(16; 18)的入口通道布置在半模之间的界面上,并且整个闭合单元(17)可以在两个终端位置之间在纵向方向上水平移动,其中两个 压铸模具(16或18)中的半模与注射单元(14)的喷嘴(36)对齐。 闭合单元(12)和注射单元(14)可以在一个终端位置之间相对于彼此横向或纵向相对移动,在该终端位置中,喷嘴(36)被密封地压靠在压铸模具之一的入口通道 和第二终端位置,其中喷嘴(36)与压铸模具(16; 18)横向分离。