南京工业大学学报（自然科学版）2012，Vol.34Issue(4)：16-21,6.DOI:10.3969/j.issn.1671-7627.2012.04.004
接触式机械密封端面磨损预测
Wear prediction for end face of contact mechanical seals
摘要
Abstract
According to Archard adhesive wear theory, a wear fractal model for the end face of mechanical seal was established by introducing the fractal wear coefficient and calculating the volume of plastic and elastic-plastic deformation asperities on end faces. A new concept of characteristic duty parameter including characteristic fractal parameters of end faces was proposed and introduced into friction-wear similarity criterion relationship for the end face of mechanical seal,which was obtained by wear experiments. The wear characteristic of B104a-70 mechanical seal was predicted. Result indicated that the fractal wear coefficient and the wear rate of soft ring increased nonlinearly with the increasing of spring pressure, and changed little when the end face is smooth. The surface topography had great influence on wear characteristic. The fractal wear coefficient and the wear rate decreased with the increasing of surface smoothness, and the change was obvious when the surface was coarse.关键词
机械密封/分形磨损系数/磨损率/预测/特征工况参数Key words
mechanical seal/fractal wear coefficient/wear rate/prediction/characteristic duty parameter分类
机械制造引用本文复制引用
魏龙,顾伯勤,张鹏高..接触式机械密封端面磨损预测[J].南京工业大学学报（自然科学版）,2012,34(4):16-21,6.基金项目
江苏省“六大人才高峰”资助项目(09-D-018,2010-JXQC-022) （09-D-018,2010-JXQC-022）
江苏省高校科研成果产业化推进项目(JH09-43,JH10-55) （JH09-43,JH10-55）
