smt中英文专业术语教程

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1、SMT中英文专业术语教程更新日期：2011.091.印刷工艺专业英语2.贴片工艺专业英语3.回流工艺专业英语针对新入职或有一定基础的职员2小时罗卫龙使大家对SMT专业英语有所了解，能够看懂一些专业素材培训目的培训对象培训讲师学习重点培训课时PrintingProcessEnglish/印刷工艺英语测试OK后转DIP插件印刷（Printing）：目的：借助于钢网把锡膏印刷在PCB之焊盘（PAD）上贴片（Mount）：目的：将贴片元件准确的贴装到PCB焊盘上回流焊（Reflow）：目的：把完成贴片的PCB经由一定的温度曲线使锡

2、膏与PCB，元件之间形成机械连接AOI（自动光学检测）：目的：自动检测PCBA板上各种不同帖装错误及焊接缺陷，确保SMT不良品不会流入下一道工序SMT：SurfaceMountTechnology/表面贴装技术Definition：ProcessoftransferringsolderpasteontothepadsofaPCB,byforcingitthroughmatingaperturesonastencil,usingasqueegeeBoardloader/上板机：PCBstobetransportedtothe

3、screenprinterusingconveyorsPrinter/印刷机：depositssolderpasteontopadsonthecircuitboardPCB（Printedcircuitboard）/印制线路板Solderpaste/锡膏：Mixtureofsolderpowdersandfluxdepositedontopadsofcircuitboardonacontrolledvolume.Afterreflowprovideselectrical,mechanicalandthermalconnec

4、tionbetweencomponentandboardSqueegee/刮刀:Criticaltoolusedto“push”pastethroughthedesignatedopeningsStencil/钢网：VehiclebywhichthevolumeandplacementlocationofsolderpastedepositioniscontrolledFoil/钢片Frame/外框FlexMask/绷网Aperture/开孔MainElementsoftheScreenPrinter/印刷机要素Input

5、Conveyor/输入导轨Solventtank/容剂曹Monitor/监控器OutputConveyor/输出导轨Lighttower/指示灯Emergencystopbuttons/紧急制动开关Visionsystem/视觉系统Clamps/夹子Boardsupport/支撑块OrsupportPins/支撑顶针stencil/钢网Squeegee/刮刀PrintParameters/印刷参数AngleofAttack(45°or60°withstencil)/角度：Theanglemadebythefrontofsq

6、ueegeebladeinrelationtothestencilSnap-Off(ContactorNon-Contact)/印刷间隙：ThedistancefromthetopsurfaceofthePCBtothebottomsurfaceofthestencilSqueegeePressure/刮刀压力：Controlstheshearstress，ThetotalforcewithwhichthesqueegeeispushingontotheboardSqueegeeSpeed/刮刀速度：Controlsthe

7、shearrate，ThevelocityatwhichthesqueegeetraversesacrossthestencilSeparationSpeed/分离速度：ThevelocityatwhichthePCBreleasefromthestencilSeparationDistance/分离距离:ThedistancewhenthePCBreleasefromthestencilwhichkeeptheseparationspeedStencilAlignment/钢网对位:VisionBased:Fullyau

8、tomaticwithfiducialsorSemi-automaticManualCleaningFrequency/清洗频率Cleaningmode/清洗模式:Dry/wet/vacuumPrintDefects/印刷缺陷Misalignment/偏位BridgeorShort/短路Icicle/拉