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4. 发明授权

KR101358278B1 노즐링의 로스트 왁스 주조방법 有权
标题翻译：喷嘴环的抛光方法
公开(公告)号：KR101358278B1
公开(公告)日：2014-02-04
申请号：KR1020130114587
申请日：2013-09-26
申请人： 주식회사 엘피케이 , 김응남
发明人： 박태환 , 이경수 , 김응남
IPC分类号： B22D17/00 , B22D17/22 , B22C7/02 , B22C9/04
CPC分类号： B22D17/22 , B22C7/02 , B22C9/04 , C04B35/10 , C04B35/48 , C22C38/00
摘要： The present invention relates to a lost wax casting method for a nozzle ring. The method comprises the steps of: designing an inner ring, an outer ring, and vanes which are the components of a nozzle ring to be casted; designing molds in consideration of contraction rates caused when wax and the molds are casted and coagulated; setting the optimal casting method through a casting, movement, and coagulation analysis; making the metal molds for components and injecting the wax therein to form the wax models for components; assembling the wax models for components with a wax model for a nozzle ring; spreading a fireproof material to the wax model for a nozzle ring at one or more times to form a fireproof wax model; heating the fireproof wax model to flow the wax out so as to obtain a hollow waxless fireproof model; firing the waxless fireproof model at high temperatures to obtain a ceramic cell mold; injecting and coagulating molten metal after preheating the ceramic cell mold to obtain a material for a nozzle ring; and cutting and finish-processing the material for a nozzle ring in a gating system. Accordingly, the present invention satisfies the specifications of the nozzle ring for a large turbo charger, such as a thruster engine for a large ship within a tolerance through the mold design in consideration of the contraction and deformation rates of the wax, the mold, and the material, the casting, movement, and coagulation analysis, the selection of the optimal casting method, the selection of the proper wax, and the assembly of the wax models manufactured for each component, and the manufacture of the multi-layered ceramic cell mold. Also, the present invention can prevent thermal deformation because all the components are casted by same metal and can increase productivity by removing processes for assembling, welding, and correcting components; thereby reducing the unit costs of production and manufacturing costs. [Reference numerals] (AA) START; (BB) END; (S10) Mold designing and coagulation analyzing process; (S100) Machining and finishing process; (S20) Wax model manufacturing process for components, such as an inner ring, an outer ring, and vanes; (S30) Wax model assembly process (Integral assembly); (S40) Fireproof material spreading process; (S50) Waxless fireproof model manufacturing process; (S60) Ceramic cell mold manufacturing process (High temperature plasticity); (S70) Nozzle ring casting process (molten metal injection); (S80) Releasing and postprocessing process; (S90) Nozzle ring material inspecting process
摘要翻译：本发明涉及一种用于喷嘴环的失蜡铸造方法。该方法包括以下步骤：设计作为要铸造的喷嘴环的部件的内圈，外圈和叶片; 考虑到蜡和模具铸造和凝结时引起的收缩率，设计模具; 通过铸造，运动和凝结分析设定最佳铸造方法; 制造用于部件的金属模具并在其中注入蜡以形成用于部件的蜡模型; 用喷嘴环蜡模型组装蜡模型; 一次或多次将防火材料涂抹在喷嘴环的蜡模上，形成防火蜡模型; 加热防火蜡模型将蜡流出，以获得中空无蜡防火模型; 在高温下烧制无蜡防火模型，获得陶瓷电池模具; 在预热陶瓷电池模具之后注入和凝固熔融金属以获得用于喷嘴环的材料; 并在浇注系统中切割和精加工喷嘴环的材料。因此，本发明考虑到蜡，模具的收缩和变形率，满足用于大型涡轮增压器的喷嘴环的规格，例如通过模具设计的公差内的用于大型船的推进器发动机材料，铸造，运动和凝结分析，最佳浇铸方法的选择，适当的蜡的选择以及为每个部件制造的蜡模型的组装以及制造多层陶瓷电池模具。此外，本发明能够防止热变形，因为所有的部件均由相同的金属铸造，并且通过去除组装，焊接和校正部件的工艺可提高生产率; 从而降低生产和制造成本的单位成本。（附图标记）（AA）START; （BB）END; （S10）模具设计和凝结分析过程; （S100）加工整理工艺; （S20）内圈，外圈，叶片等部件的蜡模制造工序; （S30）蜡模组装工艺（整体装配）; （S40）防火材料散布过程; （S50）无蜡防火模型制造工艺; （S60）陶瓷电池模具制造工艺（高温塑性）; （S70）喷嘴铸造工艺（熔融金属注射）; （S80）下放后处理流程; （S90）喷嘴环材料检查过程

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