采煤机截割滚筒叶片保护耐磨块消失模制备工艺研究

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英文篇名：Preparation Technology of Lost Foam Casting Cutting Roller Blade for Shearer 作者：张鸣一 ; 郭瑞 ; 高平 ; 田迎春 ; 耿文远 英文作者：ZHANG Ming-yi;GUO Rui;GAO Ping;TIAN Ying-chun;GENG Wen-yuan;Inner Mongolia Metal Materials Institute;Second Military Command in Baotou; 关键词：双金属 ; 消失模铸造 ; 耐磨性 英文关键词：duplex/bimetal metal;;lost foam casting;;wear-resistance 中文刊名：铸造 英文刊名：Foundry 机构：内蒙金属材料研究所;驻包头地区第二军代室; 出版日期：2019-09-10 出版单位：铸造 年：2019 期：09 基金：内蒙古创新引导基金项目-双金属复合耐磨材料铸件产业化关键技术开发(CX2017211) 语种：中文; 页：104-108 页数：5 CN：21-1188/TG ISSN：1001-4977 分类号：TG249.6;TD421.6

摘要

为提高采煤机截割滚筒叶片保护耐磨块的使用寿命,采用消失模制备工艺进行生产,耐磨块采用双金属固-液结合。研究从成分设计、双金属结合工艺设计、浇注工艺参数设计、热处理工艺参数设计等方面进行。结果表明:采用消失模工艺制备双金属耐磨块,具有较高的成品率及生产效率,耐磨块结合牢靠,耐磨性能较传统单一材质合金钢材质耐磨块有很大提高。
        In order to improve the service life of the block of the wear-resistant blocks for the protection of the cutting roller blades for the shearer, the lost foam casting process and the bimetal solid-liquid combination were adopted. From the aspects of composition design, bimetal bonding process design, pouring process parameter design, heat treatment process parameter design, etc., the research was carried out. The results show that the solid-liquid interface of the bimetal wear-resistant blocks prepared by EPC process is firmly bonded, and the wear resistance of the bimetal wear-resistant blocks is much better than that of the traditional single material. In addition, the yield and production efficiency have also been significantly improved.

引文

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