資源描述:
《smt工藝基礎(chǔ)入門》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在工程資料-天天文庫(kù)。
1、SMT工藝基礎(chǔ)入門BasicsofSMTtechnology-Journalofyouthrelateddays一NetEaseblog,NetEasenewsmicro-blogmailboxLightningmailAlbumadheretoprinciplesoftruthandrightMobilemailAniconFantasyMorebloghomestylecircleactivityTopicofconversationFindfriendsBlogreplicationMobil
2、eBlogSMSbloggingHottopicsFeedbackAlbumPhotoGalleryz,Dailyfeaturesearch,blogsearch,blogbrowsingz,,login,login,Pedestrianwhen,the,cat,s,away,the,mice,willPlaynavigationThealbummusiccollectiononmybloglogloginwavesolderingandreflowsolderingprocessSMTclassi
3、ctenstepsSMTtechnologybasedSMT2009-04-1119:27:24entryknowledgeread69comment0number:smallsubscriptionSMTtrainingmanualvolumeSMTbasedknowledgedirectoryAbriefintroductionofSMTSMT,two,three,fourcomponentsofknowledgeprocess,SMTfive,SMTandauxiliarymaterialqu
4、alitystandardssix,safetyandanti-staticknowledge2SMToperatingknowledgedirectorySix,PanasonicSMTmachineseriesseven,SIEMENSSMTmachineserieseight,dragonpatchmachineseries,ChapterI,SMTintroduction,SMTisSurfacemountTechnologyabbreviationforsurfacemounttechno
5、logy.Thatis,itisnotnecessarytodrillandinsertholesintothePCB,anddirectlymountthecomponentstothePCBsurfaceatthespecifiedposition?SMTfeaturesFromtheabovedefinition,weknowthatSMTisdevelopedfromthetraditionalpunchandsockettechnology(THT),butitisdifferentfro
6、mthetraditionalTHT?So,whatadvantagesdoesSMThavecomparedtoTHT?Thefollowingareitsmostoutstandingadvantages:OneTheassemblyofelectronicproductsofhighdensity,smallsizeandlightweight,volumeandweightofSMDcomponentsonlytraditionalcartridgeelementsaround1/10,co
7、mmonSMT,electronicproductssize40%60%,weight60%80%.2.highreliabilityandstrongvibrationresistance?Solderjointdefectrateislow?3.highfrequencycharacteristics?Electromagneticandradiointerferencereduction.4.,itiseasytorealizeautomationandimproveproductioneff
8、iciency?FiveCostdownto30%50%?Savematerial,energy,equipment,manpower,time,etc??Surfacemounttechnology(SMT)isatrendintheelectronicsindustryWeknowtheadvantagesofSMT,itisnecessarytousetheseadvantagestoserveus,andwiththeminiaturizationofelec