球铁表面合金化折线卷筒的研制.pdfVIP

学兔兔 Dec．2O08 · 1248· Vo1．57 N0．12 球铁表面合金化折线卷筒的研制 张国玲 ，于化顺 ，刘宪民 ，焦守民 (1．山东大学，山东济南250061；2．山东汇丰铸造有限公司，山东济南250204) 摘要：折线卷筒生产加工中存在效率低、原材料消耗大、成本高等问题，为此提出了以折线绳槽铸造成形替代机加工 成形，以及绳槽表面合金化的方法。球铁表面合金化的研究试验表明，采用球铁表面合金化特种涂料可以获得球墨+合 金化基体的表面层组织，有效消除了树脂砂球铁件表面灰口层，并显著改善表面的耐磨、耐蚀性，降低了成本，提高 了使用寿命。 关键词：折线卷筒；铸造成形；表面合金化；特种涂料 中图分类号：TG255 文献标识码：A 文章编号：1001—4977(2008)12—1248—04 Developing of Polygonal Line Drum of the Ductile Iron SUrface Alloying 一 一 ZHANG Guo—ling’，YU Hua—shun’，LIU Xian—min ，JIAO Shou—min (1．Shandong University，Ji。nan 250061，Shandong，China； 2．Shandong Huifeng Casting Co．，Ltd，Ji’nan 250204，Shandong，China) Abstract：The problems，such as Iow efficiency，heavy raw materials consumption，high cost and sO on，existed in the production of polYgonalIine drum：therefore，the method was proposed that was substituting casting the polYgonal line grooves for the machining and the grooves’surface alloying． The experiments results of the duclile iron surface alloying showed that the alloyed tissue surface layer was obtained by using the speciaI coating materials．the gray iron layer of the resin sand ductile iron surface was avoided。the wearability。corrosion resistance and usefulIife were improved notably，meanwhile，the production costs was reduced． Key words：polygonaI line drum；cast form：surface alloying；speciaI coating 折线绳槽卷筒因其多层缠绕、结构紧凑、安全性 了试验研究。