机械科学与技术2012，Vol.31Issue(4)：528-533,6.
数控机床基于FMA的功能分解与可靠性分析
Function Decomposition and Reliability Analysis of CNC Machine Using Function-motion-action
摘要
Abstract
In order to control the reliability of a CNC machine,we propose a function decomposition method that uses function,motion and action（FMA） and compare it with the traditional function decomposition methods.Through decomposing the CNC machine′s functions one by one,we identify all its unit actions that make up its machining processes and then explain the relationship between the unit action and the reliability of the whole machine.With the fault tree,we analyze the unit actions so as to identify the root causes of abnormal unit actions and work out the specific measures of reliability control on the basis of the analysis results.The example has shown that our functional decomposition method that uses FMA is effective for reliability analysis.关键词
数控机床/FMA/功能分解/可靠性Key words
CNC machine/function/motion and action(FMA)/function decomposition/reliability分类
机械制造引用本文复制引用
张根保,张恒,范秀君,涂林..数控机床基于FMA的功能分解与可靠性分析[J].机械科学与技术,2012,31(4):528-533,6.基金项目
国家“高档数控机床与基础制造装备”科技重大专项 （）
国家自然科学基金重点资助项目 （）
国家“863”计划资助项目 （）
数字制造装备与技术国家重点实验室（华中科技大学）开放基金资助 （）
国家重大专项《精密数控机床精度保持性》（Z010ZX04014-015）资助 （）
