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    METHOD OF MANUFACTRURING PRECISION CAST PARTS FOR VEHICLE EXHAUST SYSTEMS
    5.
    发明公开
    METHOD OF MANUFACTRURING PRECISION CAST PARTS FOR VEHICLE EXHAUST SYSTEMS 审中-公开
    VERFAHREN ZUR HERSTELLUNG VONPRÄZISIONSGUSSTEILENFÜRFAHRZEUGABGASSYSTEME

    公开(公告)号：EP3135399A1

    公开(公告)日：2017-03-01

    申请号：EP15195578.8

    申请日：2015-11-20

    申请人： Hyundai Motor Company ,  Kia Motors Corporation

    发明人： Lee, Jung Suk

    IPC分类号： B22C9/04 ,  B22C7/02 ,  B22C9/02 ,  B22D27/15 ,  B22C1/16

    CPC分类号： B22D17/02 ,  B22C1/165 ,  B22C3/00 ,  B22C7/02 ,  B22C7/023 ,  B22C9/02 ,  B22C9/04 ,  B22C9/12 ,  B22C9/22 ,  B22D25/02 ,  B22D27/15

    摘要： A method of manufacturing precision cast parts for vehicle exhaust systems includes fabricating a model of a product to be manufactured using a substance selected from the group consisting of a wax and a plastic, forming a first coating layer on a surface of the model using a first slurry, forming a second coating layer on the surface of the model coated with the first coating layer using a second slurry, drying the first and second coating layers to form a mold and heating the mold to remove the model, pre-heating the mold, placing the mold in a ceramic box with a top portion open, and filling an inner part of the ceramic box with ceramic balls, and producing a product by injecting a molten metal into the mold to cast the product.

    摘要翻译： 一种制造用于车辆排气系统的精密铸造件的方法包括使用从由蜡和塑料组成的组中选择的物质来制造要制造的产品的模型，在模型的表面上形成第一涂层，使用第一 浆料，使用第二浆料在涂覆有第一涂层的模型的表面上形成第二涂层，干燥第一和第二涂层以形成模具并加热模具以除去模型，预加热模具， 将模具放置在顶部打开的陶瓷盒中，并用陶瓷球填充陶瓷盒的内部，并通过将熔融金属注入模具来铸造产品来生产产品。

    CASTING MOLD, PROCESS FOR PRODUCING SAME, AND Ti-Al ALLOY CAST PRODUCT AND PROCESS FOR PRODUCING SAME
    6.
    发明公开
    CASTING MOLD, PROCESS FOR PRODUCING SAME, AND Ti-Al ALLOY CAST PRODUCT AND PROCESS FOR PRODUCING SAME 审中-公开
    模具，方法其制造和铸造产品钛铝合金和方法及其生产

    公开(公告)号：EP3124135A1

    公开(公告)日：2017-02-01

    申请号：EP15768629.6

    申请日：2015-01-26

    申请人： IHI Corporation

    发明人： SATOH, Shigeyuki ,  SEKIGUCHI, Tatsuya

    IPC分类号： B22C9/04 ,  B22D21/06

    CPC分类号： B22C9/043 ,  B22C1/00 ,  B22C3/00 ,  B22C7/02 ,  B22C9/04 ,  B22C9/12 ,  B22D21/005 ,  B22D25/02 ,  C22C14/00 ,  F01D5/28 ,  F05D2230/21 ,  F05D2300/174

    摘要： A casting mold (10) to cast a TiAl alloy includes a casting mold body (14) formed into a bottomed shape and provided with a cavity (12) into which a molten TiAl alloy is to be poured. The casting mold body (14) includes a reaction-resistant layer (16) provided on the cavity side, formed from a refractory material containing at least one of cerium oxide, yttrium oxide, and zirconium oxide, and configured to suppress a reaction with the molten TiAl alloy and a back-up layer (18) formed on the reaction-resistant layer (16). The back-up layer (18) includes a weakening layer (18a) formed from a refractory material including a silica material in a range from 80% by mass to 100% by mass inclusive, the silica material containing cristobalite in a range from 26% by mass to 34% by mass inclusive and the rest being fused silica, the weakening layer being designed to reduce casting mold strength and a shape-retention layer (18b) formed from a refractory material and designed to retain a casting mold shape.

    摘要翻译： 铸模（10）施放的TiAl合金包括：形成为有底形状，并且设置有一个腔体（12）插入其中的熔融TiAl系合金被倾倒铸模体（14）。 铸模主体（14）包括设置在所述空腔侧的耐反应层（16），由含有氧化铈，氧化钇和氧化锆，中的至少一种难熔材料形成，并且被配置为抑制与反应 熔融TiAl系合金以及在反应中形成性层（16）的备用层（18）。 后备层（18）包括按质量计包含按质量计由耐火材料包含的范围内的二氧化硅材料形成为从80％至100％的弱化层（18A），硅酸盐材料的范围含方石英从26％ 由耐火材料至按质量计34质量％的包容性和其余部分熔融二氧化硅，弱化层被设计为降低铸型强度和形状保持层（18b）的形成，并且设计为保留的铸模的形状。

    GREEN SAND FOR CASTING OF STEEL CASTINGS, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING METAL CASTINGS USING SAID GREEN SAND
    7.
    发明公开
    GREEN SAND FOR CASTING OF STEEL CASTINGS, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING METAL CASTINGS USING SAID GREEN SAND 审中-公开
    钢NASS铸造砂模铸造，加工用于生产和法生产金属铸件这块湿砂型铸造

    公开(公告)号：EP3124134A1

    公开(公告)日：2017-02-01

    申请号：EP15769938.0

    申请日：2015-03-25

    申请人： Hitachi Metals, Ltd.

    发明人： FUKUMOTO Kentaro

    IPC分类号： B22C3/00 ,  B22C1/00 ,  B22C1/10 ,  B22C9/02

    CPC分类号： B22C9/02 ,  B22C1/181 ,  B22C1/20 ,  B22C3/00 ,  B22C9/12 ,  B22D23/00

    摘要： A green sand mold for producing a cast steel article, which is formed by casting sand comprising sand, a binder, and 3 parts or less by mass of a carbonaceous component per 100 parts by mass of sand, and provided with a coating layer of a thermosetting resin formed at least on a recess including a cavity for forming the cast steel article, the coating layer having average hardness (measured by a self-hardening hardness meter) of 50-95 and a thickness of 0.5-2.5 mm.

    摘要翻译： 湿砂模用于制造铸件钢制品，所有这些都通过型砂通过砂的质量每100份的碳质成分的质量，包括砂，粘合剂，和3份或更少形成，并且设置有一个涂覆层 上的凹部包括用于形成铸钢物品的空腔至少FORMED热固性树脂，其具有50-95的平均硬度（由自硬化硬度计测量），厚度为0.5-2.5毫米的涂层。

    GREEN SAND CASTING MOLD, MANUFACTURING METHOD THEREFOR, AND METHOD FOR MANUFACTURING CAST IRON OBJECT
    10.
    发明公开
    GREEN SAND CASTING MOLD, MANUFACTURING METHOD THEREFOR, AND METHOD FOR MANUFACTURING CAST IRON OBJECT 审中-公开
    湿型砂模具，工艺用于生产铸铁点PRODUCING和方法

    公开(公告)号：EP3053671A1

    公开(公告)日：2016-08-10

    申请号：EP14849585.6

    申请日：2014-09-30

    申请人： Hitachi Metals, Ltd.

    发明人： FUKUMOTO, Kentaro

    IPC分类号： B22C3/00 ,  B22C1/22 ,  B22C9/02

    CPC分类号： B22C9/02 ,  B22C1/22 ,  B22C3/00 ,  B22C9/12 ,  B22D15/00

    摘要： A green sand mold comprising at least one pair of green sand mold parts each comprising a recess and a mating surface, wherein a cured layer comprising a thermosetting resin as a main component is formed on the recess and mating surface of each green sand mold part, and wherein the cured layer has hardness of 40-98, a thickness of 0.5-6 mm, and gas permeability of 70-150, is produced by applying a curing material comprising the thermosetting resin as a main component and having viscosity of 1-100 mPa·S to the recess and mating surface of each green sand mold part, combining the green sand mold parts, and then heat-hardening the curing material.