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ID:50614448
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页数:38页
时间:2020-03-12
《测温板的制作Porfilerboard_Porfiling.ppt》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、Profilerboard&ProfilingDate:2002.05.12Rev.No.:01ApprovedBy:PreparedBy:Xiaoping.chen1.Scope:范围:ThisprogramappliesforTemperatureProfilingforallproductinFlextronicsIndustrial(zhuhai).适合伟创力实业有限公司所有产品温度曲线的制作.Date:2002.05.12Rev.No.:012.Instrument:仪器及工具hightemperaturegluepaperhightemperaturesolderDATAPAQ9
2、000thermocoupleDate:2002.05.12Rev.No.:013.Thermocouplepreparation准备热电偶线3.1Only“K”typethermocouplewirebeusedfortemperatureprofiling.做温度曲线只能使用"K"型热电偶线.Date:2002.05.12Rev.No.:013.Thermocouplepreparation准备热电偶线3.2Ensurethermocouplewireisminimum15cmextensionfromboardedge.确定热电偶线从板边延长最少15cm.Date:2002.05.12
3、Rev.No.:0115cm4.preparationofprofilingboard准备温度曲线测试板4.1Getreadytheboardfortemperatureprofiling,selecttheactualproductorapproximateproductasthesampleboard.用生产产品的板或者近似生产产品的板做为温度曲线的测试样板4.2Identifythelocationsforsolderingthermocouplewires.确定焊接热电偶线的位置.Date:2002.05.12Rev.No.:01A)Aminimumofthreepointsmust
4、bemeasuredonaPCB.Thethreepointstobemeasuredarethelead,endandcenteroftheSMDcomponent.一块板上最少有三个测试点,这三个点分别在板面上前,后及中间的SMD元件.4.preparationofprofilingboard准备温度曲线测试板Date:2002.05.12Rev.No.:01B)TheselectionwillbebasedonthecoldestandthehottestlocationonthePCB.在PCB上选择最冷的及最热的位置.1)Thecoldestwillbethemostmassive
5、componentandinthemostdenselyloadedarea最冷的位置在最大的元件和元件最密集的区域.2)Thehottestwillbethehighlyexposedorisolatedarea最热的位置在非常曝露或者单独一个的区域.4.preparationofprofilingboard准备温度曲线测试板Date:2002.05.12Rev.No.:01C)Selecttheheatsinklocation选择吸热多的位置.D)Selectthetemperaturesensitivitycomponent.选择对温度敏感的元件位置.E)Selectthetherma
6、lshocklocation选择有热冲击的位置.Note:Refertotheproductprocessinstructionforthethermocouplelocationoftherespectiveproducts.注意:参考各自产品的工艺流程指示确定热电偶线的位置.4.preparationofprofilingboard准备温度曲线测试板Date:2002.05.12Rev.No.:014.3Addhightemperaturesoldertothecomponent’sterminationwhichhadbeendesoldered.在需要焊接的元件端子加高温锡.4.4T
7、hermocouplewirewillbelinkedtothereservedlocation.热电偶线连在指定的位置.4.preparationofprofilingboard准备温度曲线测试板Date:2002.05.12Rev.No.:014.5Uponsolderingiscompleted.ensurethefollowingiscomplied.焊接后,确认是否遵守下列内容:A)Noexcess
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