精品文档---下载后可任意编辑刘 健, 陈宏豫, 寇志贤, 李春玉(承德建龙特别钢有限公司技术处,河北 兴隆 067201)摘要:实行宏观形貌分析、化学成分分析、金相分析等手段对 20CrMnTi 齿轮轴断裂原因分析,结果表明,热处理后基体强度偏低和相对于承载能力而言工作应力较大是导致齿轮轴发生快速脆性断裂的主要原因
关键词:齿轮轴、断裂分析、组织20CrMnTiHGearAxleBreakAnalysis of CausesLIUJian,CHENHongyu,KOUZhixin,LiChunyu(Chengde long special steel co
Technical Department, Hebei Xinglong 067201)Abstract:In this article use macro-morphology analysis, chemical analysis, microstructure analysis by means of the gear shaft 20CrMnTi Failure Analysis,Last show the matrix strength after heat treatment relative to the carrying capacity of low and work stress in terms of larger gear shaft leading to the main reason of rapid brittle fracture
Key words:Gear shaftFracture AnalysisOrganization某公司用 20CrMnTiH 作为农用三轮车变速箱上的四轮曲轴齿轮主选材,安装该批齿轮轴的三轮车发生多起断轴现象,断轴时行使时间大约 100 小时