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ID:37847188
大小:91.00 KB
页数:5页
时间:2019-06-01
《LED焊接保存常识》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、1,OperatingandInspectionInstructions:(1)Solderingwithacauterant:Theintervalshouldnotbemorethan3sencondsandnotbelessthan2mmtotheepoxy,thetemperatureofcauteranttipshouldnotbehigherthan300oC.(2)Dipping-solder:Theintervalshouldnotbemorethan5sencondsandnotbelessthan2mmtotheepoxy,thetemperatureshou
2、ldnotbehigherthan260oC.2,Formingofleadpin(1)2mmtotheepoxyistheMinimumintervalforbendingleadpin.(2)Tongsmustbeusedwhilethepinisbeingformed,orwecanasksomeprofessionalpersontodoit.(3)Anyformingonleadpinmustbefinishedbeforesoldering.(4)Theintervalbetweenpinsmustbeidenticaltowhichonthecircuitryboa
3、rd.3,Mounting(1)Payattentiontoputtingkindsofpartnersincorrectanodeandcathode.Nopartisallowedtobeneartosomeheatedcomponets.Itmustbeworkingunderthemarginconditiondemanded.(2)Avoidmountingwhileleadpinisdistorted.(3)Calculatethehole’sintervalandtoleranceincircuitryboardandpinsbeforemounting,soasn
4、ottocauseanyexorbitantstressonpins.(4)Localizer(guidesheath)isoneoftoolsrecommendedforhavingthepositionfixed.(5)AvoidanyshakingorexorbitantstressonLEDbeforethetempraturefalltonormal.4,CleaningPaymoreattentiontocleaningwhensomechemistisused,becausesomeofthesechemist,suchaschlorethylene,acetone
5、,maydamagethesurfaceofepoxyandfadeitaswell.WecancleananddigLEDwithethanowithin3minutesinnormaltemperature.5,Operatingandstoragetemprature(1)LEDLamps:Topr–25oC~85oCTstg–40oC~100oC(2)LEDDisplays:Topr–20oC~70oCTstg–20oC~85oC(3)Out-DoorLEDlamps:Topr–30oC~60oCTstg–20oC~70oC 安装方法
6、清洁
7、成形
8、焊接
9、电流
10、判定的项目和
11、标准
12、安装方法·注意各类器件外线的排列,以防极性装错。器件不可与发热元件靠得太近,工作条件不要超过其规定的极限。·务必不要在引脚变形的情况下安装LED。·当决定在孔中安装时,计算好面孔及线路板上孔距的尺寸和公差以免支架受过度的压力。·安装LED时,建意用导套定位。·在焊接温度回到正常以前,必须避免使LED受到任何的震动或外力·(1)Payattentiontoarrangethepinsorleads,inordertoavoidmakingthewrongpolar.Nopartisallowedtobeneartosomeheatedcomponents.Itmustbewo
13、rkingunderthemarginconditiondemanded.(2)Avoidmountingwhileleadpinisdistorted.(3)Calculatethehole’sintervalandtoleranceincircuitryboardandpinsbeforemounting,soasnottocauseanyexorbitantstressonpins.(4)Localizer(guidesheath)isoneoftoolsrecommend
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