Product Code:SAE AIR1839 Title:A Guide to Aircraft Turbine Engine Vibration Monitoring Systems Issuing Committee:E-32 Aerospace Propulsion Systems Health Management Scope:This Aerospace Information Report (AIR) is a general overview of typical airborne engine vibration monitoring (EVM) systems applicable to fixed or rotary wing aircraft applications, with an emphasis on system design considerations. It describes EVM systems currently in use and future trends in EVM development. The broader scope of Health and Usage Monitoring Systems, (HUMS ) is covered in SAE documents AS5391, AS5392, AS5393, AS5394, AS5395, AIR4174.【英文标准名称】:Modularunitsformachinetoolconstruction;Headstocks 【原文标准名称】:组合机床通用部件动力箱 【标准号】:ISO2727-1973 【标准状态】:现行 【国别】:国际 【发布日期】:1973-11 【实施或试行日期】: 【发布单位】:国际标准化组织(IX-ISO) 【起草单位】:ISO/TC39 【标准类型】:() 【标准水平】:() 【中文主题词】:模数制;机床;互换性;多轴头;元件;轴头;模块化结构;尺寸;元部件 【英文主题词】:Components;Dimensions;Elements;Interchangeability;Machinetools;Modularsystems;Multi-spindleheads;Spindlenoses 【摘要】:Specifiescertaindimensionsrelatingtotheinterchangeabilityofheadstocksusedspecialpurposemachinesconstructedfrommodularunits.Givesfurthermoreclassificationanddesignation. 【中国标准分类号】:J51 【国际标准分类号】:25_060_10 【页数】:3P.;A4 【正文语种】:英语