机械英语翻译教程

止口：spigot

超声波振动气体电火花加工( uedm )在本文中提及，文中阐述了利用超声波在气体介质中放电加工效果良好. 电极用的是薄壁管,高压气体介质从管内通过. 在加工过程中,超声波振动工件可以改善加工工艺. 被熔融的工件材料,在超声波振动下被弹射分离出母体工件，并被从加工区分离/飞射出来而不附着在电极上. 研制一个估算材料去除率理论模型，选择45#钢和铜分别作为工件材料和电极材料,实验已经完成, 其结果显示uedm是一种具有很高的材料去除率( MRR值)的加工方法. 这项技术最大的优点之一是降低污染且电极损耗率低.

1.ScopeThisstandardprovidesspecificallyfortheU.S.agriculture,gardeningindustry,thebasicparametersoftheuseofgearpumps,technicalrequirements,testmethodsandrecommendationsoftherules.2.Thebasicparameters2.1Theratedpressureof2.52.2NominalrotationalspeedshouldbeconsistentwiththerequirementsinTable13TechnicalRequirements3.1gearpumphousing,gearmaterialtotheXX,shaftmaterial,screwused.3.2products,themaintechnicalindicatorsshouldbeconsistentwithTable23.3GearPumpcasingshallbepressuretest(canalsobefittedafterassembly).Ratedpressureusingthepressureis2timesthepacking5Min,thereisnoleakageandpartsdamage.3.2Thedrivinggearshaftrelativetothemountingflangethatonlythemouthoftheamountofradialrunoutshouldbeconsistentwithdesignrequirements.3.5speedtouseandsuper-pressureuse,thegearpumprunningnoabnormality3.6.1Thecombinationofshellandthefrontcoversurfaceshouldbeflat3.6.2Signsshouldbewritteninclear,correctinstallationofasolid,smooth.3.6.3Gearpumpexposedsurfaceofthenon-processingofcolor,appearancesmooth,thereshouldbenoscars,castingdefects.