参考文献 〔1〕机械工业部(82)农付字第209号文 〔2〕倪培德： “压榨法取油及有关理论问题”《油脂科技》1、(1982) 〔3〕田仁林： “动力螺旋榨油机压榨法”《谷类油脂》科学出版社(1983) 〔4〕陈导民、李泗金：“CrMoCuj耐磨合金榨螺简介”《油脂科技》2，(1980) 〔5〕杨政栋：“国外榨油机械现状”《花生机械》1，(1983) 〔6〕黑龙江农付产品加工机械研究所：《榨油机械设备技术交流总结报告》12，(1982) 〔7〕王厚明、倪德印：“榨油机榨螺的气体渗碳法”。《油脂科技>4，(1983) 〔8〕王兆昌：《金属的磨损与耐磨性》，（北京钢院讲义）·(1976) Wear Failure Analysis of Squeezing Sleeves Wang Chaochang and Yao Sanjiu Beijing University of Iron and Steel Technology Tsui Chinghsi (Shenqu Machine Building Plant,Henan ABSTRACT Spiral seed squeezing machines are commonly used in our country to pro- duce vegetable oil.The spiral squeezing sleeves slipped onto the axis are the main parts doing the work of squeezing the seeds.The wear life of them shall be very important to the effective service of the machine The ear failure analysis of these sleeves was done in this paper.The squeezing chamber in the machine can be divided into 3 zones,namely,"feeding zone","presqueezing zone"and"squeezing zone".Because the squeezing pressure in the last zone is high and the seeds become highly compacted "non-compressible bodies"the sleeves in that zone are sustaining high stress grinding wear and wears fast This is proved by the wear morphology of thesc sleeves.Wear failure anal- ysis is miainly done on them,The SEM examinations of the wear face and section through the subsurfacc show that the wear mechanisms of the slce- ves are,deformation wear mechanism,cutting wear mechanism,tearing wear mechanism and fatigue wear mechanism by non-compressible bodies and high pressurc crosive wear mechauisin by liquid oil produced.The main causes of failure are the former two mechanisms,Alloy white cast iron con taining carbide of high hardness and having high macro-hardness was sugg- ested to make those sleeves to replace carburized steel and proved to be much more cost effective. 32参 考 文 献 〔 〕 机械工 业部 农 付字第 号文 〔 〕 倪培德 “ 压 榨法取油及有关理论 问题 ” 《 油脂科技 》 、 〔 〕 田仁林 “ 动力螺旋 榨油机压 榨法 ” 《 谷 类油脂 》 科学 出版社 〔 〕 陈导民 、 李泅金 “ 耐磨合金 榨螺简介 ” 油脂科技 ， 〕 杨政栋 “ 国外榨油机械现状” 《 花生机械 》 ， 〔 〕 黑龙江农付产品加工 机械研究所 榨油机械设备技术交流总结报告 》 ， 〔 〕 王厚 明 、 倪德印 “ 榨油机榨螺的气体渗碳法 ” 。 《 油脂科技 ， 〔 〕 王兆 昌 《 金属的磨损与耐磨性 》 。 北京钢 院讲义 丫 几 五 ， 住 爪 可 ， ， ， ， “ ” “ ” 一 ” 一 一 。 ， ， 五 一 、 ， ’ “ 扭 、 、 丫 一