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    • 5. 发明公开
    • 정밀 주조용 주형 및 그 제조 방법
    • 用于精密铸造的模具及其生产方法
    • KR1020150052284A
    • 2015-05-13
    • KR1020157008717
    • 2013-10-07
    • 미츠비시 히타치 파워 시스템즈 가부시키가이샤
    • 오구마히데타카모리가즈타카오카다이쿠오시모하타사치오
    • B22C9/04
    • B22C9/043B22C1/00B22C7/02B22C9/04B22C9/12
    • 주물의내부의공동부분에대응하는형상의코어와, 상기주물의외주면의형상에대응하는외측주형을갖고, 상기외측주형은, 내주면에형성되며, 정밀주조용주형슬러리를이용해서건조하여구성되는슬러리막으로이루어지는프라임층(101A)과, 프라임층(101A)의외측에형성되며, 정밀주조용주형슬러리로이루어지는슬러리층(102)과, 슬러리층(102)에스터코재로서입도분포배합을, 50㎛내지 500㎛의미립의배합을 1로하고, 0.5㎜내지 2㎜의중립의배합을 1 내지 16으로하고, 2㎜내지 4㎜의조립의배합을 1 내지 40의범위로하여이루어지는스터코입자를부착한스터코층(103)에의해형성하며, 건조하여이루어지는제 1 백업층(제 2 건조막)(104-1)을, 복수회형성하여구성되는복층백업층(105A)으로이루어진다.
    • 本发明提供一种精密铸造模具,其具有芯部和外部模具,外部模具由以下部分构成:初始层,其由通过干燥用于精密铸造用模具的浆料而形成的浆料膜,该精制铸模具有具有粒径 20nm; 以及通过反复形成通过形成和干燥由用于精密铸造模具的浆料形成的浆料层而获得的第一备用层和形成在原料层的外部的灰泥层,其中灰泥颗粒为 具有粒径分布的灰泥材料,其中粒径为50〜500μm的微粒的混合比为1; 粒径为0.5〜2mm的中等粒子的混合比为1〜16, 并且粒径为2〜4mm的粗粒子的混合比例为1〜40,粘附于浆料层。
    • 7. 发明公开
    • 세라믹 재질의 인서트를 사용한 주조용 쉘 중자 및 그 제작 방법
    • 使用陶瓷插件制造的壳芯及其制造方法
    • KR1020120067677A
    • 2012-06-26
    • KR1020100129213
    • 2010-12-16
    • 한국생산기술연구원
    • 홍준호
    • B22C9/10B22C1/00
    • B22C9/106B22C1/00
    • PURPOSE: A shell core for casting using an insert which is made of ceramic material and a manufacturing method thereof are provided to enhance intensity of especially vulnerable site. CONSTITUTION: A shell core for casting using an insert which is made of ceramic material comprises a core body(210), and an insert(220). The core body is formed by separating specific part according to shape of casting material. The insert is corresponded to the separated specific part and is formed with ceramic material and combined with the core body. The specific part is a vulnerable part which can be easily broken during molding or damaged by shearing stress.
    • 目的:提供使用由陶瓷材料制成的插入物的铸造用壳芯及其制造方法,以增强特别脆弱部位的强度。 构成:使用由陶瓷材料制成的插入件的用于铸造的壳芯包括芯体(210)和插入件(220)。 芯体通过根据铸造材料的形状分离特定部分而形成。 插入物对应于分离的特定部分,并且由陶瓷材料形成并与芯体组合。 具体部件是易损件,易于在成型过程中破损或受剪切应力损坏。
    • 8. 发明公开
    • 주물사 제조방법과 그 장치 및 주물사
    • 制造方法和铸造装置
    • KR1020120021431A
    • 2012-03-09
    • KR1020100074139
    • 2010-07-30
    • 주식회사 티에스씨
    • 조형기
    • B22C5/04B22C5/06B22C5/08B22C1/00
    • B22C5/04B22C1/00B22C5/06B22C5/08
    • PURPOSE: A manufacturing method and apparatus for casting sand are provided to recycle sand type slag which is generated by refining and concentrating nickel ore, as casting sand, thereby releasing the scarcity of resources of silica. CONSTITUTION: A manufacturing method of casting sand comprises a step of obtaining sand type slag by heat-treating nickel ore passed through a pulverizer, a filter, etc, pulverizing the same in a pulverizer, and sorting nickel in a gravity-ore separator and a magnetic ore separator; a step drying the sand type slag in a rotary drier(2) at 150-160 °C from the moisture content near 8% to the moisture content of 0.02%; a step of cooling the sand type slag to room temperature by a rotary cooler(3); a step of spheroidizing the same in a rotary MMR(5); a step of manufacturing a first product by sorting the sand type slag per particle sizes in a round screen(6); a step of crushing large residue sand type slag which is not productized in mill(7); and a step of manufacturing a second product by sorting the crushed sand type slag per particle sizes in the round screen.
    • 目的:提供一种用于铸造砂的制造方法和装置,用于再循环通过精炼和浓缩镍矿作为铸砂产生的砂型炉渣,从而释放二氧化硅资源的稀缺。 构成:铸砂的制造方法包括通过对通过粉碎机,过滤器等的镍矿进行热处理而获得砂型渣的步骤,在粉碎机中粉碎,并在重力矿石分离器中分选镍, 磁选矿机 在150-160℃的旋转干燥器(2)中将水分含量接近8%的砂型渣干燥至含水量为0.02%; 通过旋转冷却器(3)将砂型渣冷却至室温的步骤; 在旋转MMR(5)中对其进行球化的步骤; 通过在圆筛(6)中分选每个粒径的砂型渣来制造第一产品的步骤; 破碎在磨机(7)中未生产的大型残渣砂型渣的步骤; 以及通过在圆筛中分选每个粒度的碎砂型渣来制造第二产品的步骤。
    • 9. 发明公开
    • 주물사
    • 型砂
    • KR1020080048631A
    • 2008-06-03
    • KR1020060118835
    • 2006-11-29
    • 권경효
    • 권경효
    • C04B35/14C04B35/10
    • B22C1/00
    • A molding sand is provided to obtain reduced dry shrinkage, reduced sintering shrinkage and constant property even at high temperature by adjusting the amount of Al2O3 and by reducing the amount of iron. A molding sand comprises at least 80% by weight of SiO2, at least 10% by weight of Al2O3, more than 0% by weight and less than 0.2% by weight of Fe2O2. The particle size of the sand is optionally selected from #4 of 12-18 mesh(1.70-0.96m/m), #5 of 20-40 mesh(0.85-0.42m/m), #6 of 40-70 mesh(0.42-0.22m/m) and #7 of 70-140 mesh(0.22-0.1m/m). A preparation method of the molding sand comprises steps of: selecting raw material among mined raw ore of wonder stone and removing rubble; grinding the selected stones in Jaw Crusher, Cone Crusher and sand mill in order; separating the products; and packaging the product.
    • 提供型砂,通过调节Al2O3的量和减少铁的量,即使在高温下也能获得减小的干缩率,降低的烧结收缩率和恒定的性能。 型砂包含至少80重量%的SiO 2,至少10重量%的Al 2 O 3,超过0重量%和小于0.2重量%的Fe 2 O 2。 砂粒的粒度可以选自12-18目(#1.70-0.96m / m)#20,20-40目(#0.85-0.42m / m)#5,40-70目(# 0.42-0.22m / m)和70-140目(0.22-0.1m / m)的#7。 型砂的制备方法包括以下步骤:选择开采的石料矿石中的原料,除去瓦砾; 在颚式破碎机,圆锥破碎机和砂磨机中研磨选择的石块; 分离产品; 并包装产品。
    • 10. 发明公开
    • 플랩의 제조방법
    • 铸造方法的制造方法和模具的制造方法
    • KR1020080045504A
    • 2008-05-23
    • KR1020060114708
    • 2006-11-20
    • 주식회사 세화기계김희수
    • 신상대김희수
    • B22C9/00B22D41/00
    • B22C9/22B22C1/00
    • A flap manufacturing method is provided to produce flaps having cooling water passages, easily by casting and to discharge refractory materials easily after casting, by using the powder-type refractory material. A flap manufacturing method comprises the steps of: making a mold(100) by forming an inner space(110) according to the exterior shape of a casting and inserting a pipe(150) filled with refractory materials(151), into the inner space; injecting melt into the inner space and solidifying the melt; removing the mold; discharging the refractory material filled in the pipe; and coating one surface of the casting with a wear-resistant material by overlay welding. The inner surface of the pipe is coated with aluminum. The powder type carbon refractory material is used.
    • 通过使用粉末型耐火材料,可以容易地通过铸造和容易地浇注耐火材料来制造具有冷却水通道的翼片。 翼片制造方法包括以下步骤:通过根据铸件的外部形状形成内部空间(110)并将填充有耐火材料(151)的管道(150)插入到内部空间中来制造模具(100) ; 将熔体注入内部空间并使熔体固化; 去除模具; 排出填充在管道中的耐火材料; 并通过覆盖焊接用耐磨材料涂覆铸件的一个表面。 管的内表面涂有铝。 使用粉末型碳耐火材料。