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二手贴片机浅谈炉温曲线测试方法

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     作者:szzcx518      更新时间:2020/10/12 10:15:07      字体:
导读:炉温测试员每次测试出的炉温曲线经过工程师确认和核准后,炉温曲线才生效;IPQC对炉温测试员每次测试出的炉温曲线进行检查,如果不符合则要求炉温测试员重新调整和测试,直到合格为止.下面小编讲解一下二手贴片机浅谈炉温曲线测试方法的相关知识。

炉温曲线测试方法

1.MUDE:GUIFANSMTLUWENCESHIFANGFA,WEILUWENSHEDING、CESHI、FENXITIGONGBIAOZHUN,QUEBAOCHANPINZHILIANG.

2.FANWEI:PCBABUSMTSUOYOULUWENSHEDING、CESHI、FENXIJIJIANKONG.

3.ZHIZE:

3.1GONGCHENGSHIZHIDINGLUWENCESHIFENXIBIAOZHUN,LUWENCESHIYUANANCIBIAOZHUNCESHI、FENXIJIANKONGLUWEN.

3.2SHENGCHANXIANRENYUANHELUWENCESHIYUANJISHIFANKUIBULIANGZHUANGKUANGJIGONGCHENGSHI,YIBIANSHISHIGAISHANLUWENSHEDING.

3.3.IPQCDINGQIJIANKONGLUWENSHEZHIZHUANGKUANG,BAOZHENGZHICHENGWENDING.

4.DINGYI: WU

5.CHENGXU

5.1CESHIHUANJING:15℃~30℃5.2CESHISHIJIAN:MEIBANYICI。(HUANXIANHUOQITAYICHANGQINGKUANGLIWAI)

5.3CESHIBAN:SHENGCHANZHONGSHIYONGYITIEZHUANGZUJIANDEPCBBAN5.4CESHIBANFANGZHIFANGXIANGJICESHIZHUANGTAI﹕

5.4.1KEHUDUIFANGBANFANGXIANGYOUYAOQIU,YIKEHUYAOQIUWEIZHUN.5.4.2KEHUDUIFANGBANFANGXIANGWUYAOQIU:DINGWEIKONGKAOXIANGHUIHANLUCAOZUOYICESHUIPINGCHUIZHIFANGRULVDAIZHONGJIAN. 5.4.3 RUOHUIHANLUZHONGYANGYOUSUPPORT PIN ,CEWENSHIKONGZAICESHI。RUOHUIHANLUZHONGYANGWUSUPPORT PIN SHI﹐CEWENSHIYIMANZAICESHI。 

5.5.CESHIDIANDEXUANQU 

5.5.1KEHUYOUZHIDINGXUANQUCESHIDIANDEBANBIXUSHIYONGKEHUZHIDINGDECESHIDIANJINXINGLUWENCESHI. 

5.5.2KEHUMEIYOUZHIDINGXUANQUCESHIDIANDEBAN,XUANQUCESHIDIANBIXUZUNXUNYIXIAYAOQIU: 

5.5.2.1ZHISHAOXUANQUSANGEDIANZUOWEICESHIDIAN,YOUBGASHIBGACESHIDIANBUSHAOYULIANGDIAN,CESHIBGAXIQIUHEBGABIAOMIANWENDUGEYIDIAN.YOUQFPSHIZAIICJIAOHANPANSHANGXUANQUYIDIANCESHIICJIAODIBUWENDU,ZUIHOUYIDIANCESHIPCBBIAOMIANWENDUHUOCHIPLINGJIANWENDU。RUOYIKUAIPCBSHANGYOUJIGEQFP﹐YOUXIANXUANQUJIAODADEWEICESHIDIAN。 

5.5.2.1.1 PCB’A WEI100GEDIANYIXIA﹐ZECEWENBANZHIXUXUANZESANGEDIAN。CISANDIANXUANQUBIXUFUHE

5.5.2.1GUIDING﹐QIEZUJIANSHAODEJIBANXUANDIANGELIYUEYUANYUEHAO。DUIYUSMTTIEPIANLINGJIANDUODEJIBAN﹐YINGCONGBGA﹑QFP﹑PLCC﹑SOJ﹑SOT﹑DIODE﹑CHIPSHUNXUXUANZECESHIDIAN 

5.5.2.1.2 PCB’AWEI100GEDIANYISHANG﹐FENYIXIALIANGZHONGZHUANGKUANG﹕ A: PCB’A SHANGYOUQFP ,DANWUBGADEJIBAN﹐CEWENBANZHIXUXUANZESIGEDIAN。QIZHONGDAICJIXIAOICGEYIDIAN﹐YOUDIANGANZUJIANJIGAODUANDIANRONGBIXUXUANQU﹐XUANDIANFANGSHIYUEJINYUEHAO。 B: PCB’A SHANGJIYOUQFPYOUYOUBGA DEJIBAN﹐CEWENBANBIXUXUANZEWUGEDIANYISHANG﹐XUANDIANFANGSHIYINGXUANZELINGJIANJIAOMIDEZHONGXINWEIZHIDEDIANLAICESHI。 

5.5.2.2 RUOYOUYIXIETESHUCAILIAO,ZAIXUANQUCESHIDIANSHI,BIXUYOUXIANKAOLVZAICICAILIAOHANPANSHANGXUANQUCESHIDIAN,YIQUEBAOGAICAILIAODEHANJIEXIAOGUO. 

5.5.2.3 HUIHANLUGUDINGCEWENXIANDEHANJIEDIANDEDAXIAOBIXUZAI﹕L=3~5mm,W=2~4mm﹐WEIZHEXUYAOZHONGXINHANJIE﹐ZAIBUYINGXIANGLAOGUXINGJIWENDUDEZHUANGTAIXIA﹐HANDIANDAXIAOYUEXIAOYUEHAO。‍ 

5.5.2.4 GUDINGCEWENXIANDECAILIAOBIXUSHI﹕380DUYISHANGDEGAOWENXISI﹐HANFluxCHENGFEN﹕1.7%HUORIBENSUOMADEIR-200HONGJIAOGUDING﹐WEIBAOZHENGQIHANJIEDELAOGUXINGJIWENDUDEZHUNQUEXING﹐MEIYOUJINGSHIYANDECAILIAOBUKEYISHIYONG﹔

5.6.JIANKONG:LUWENCESHIYUANMEICICESHICHUDELUWENQUXIANJINGGUOGONGCHENGSHIQUERENHEHEZHUNHOU,LUWENQUXIANCAISHENGXIAO;IPQCDUILUWENCESHIYUANMEICICESHICHUDELUWENQUXIANJINXINGJIANCHA,RUGUOBUFUHEZEYAOQIULUWENCESHIYUANZHONGXINDIAOZHENGHECESHI,ZHIDAOHEGEWEIZHI.

5.7.WENDUDESHEDINGBIAOZHUN

5.7.1KEHUYOUYAOQIUSHI,YIKEHUTIGONGDEQUXIANWEIZHUN

5.7.2KEHUWUYAOQIUSHI,ZEANRUXIAYAOQIUSHEDING

5.7.2.1XIJIANGBAN A:SHENGWENQU(T1)(30~130℃)SHENGWENSULVBAOCHIZAI2.5℃/SYIXIA。B:YUREQU(T2)ZUIDIWENDU130℃,ZUIGAOWENDU170℃﹐TAMURAXIGAOYAOQIUSHIJIANWEICHIZAI60SEC~120SECZHIJIAN.C:HUILIUQU183℃YISHANG,WEICHIZAI45SEC~90SEC.QIE200℃YISHANGDESHIJIANWEICHIZAI20SEC~60SEC. D:DINGFENGWENDUWEI:210~240℃.E:YOUBGA、QFP、ICSHI,BGANEIBUWENDU210-220℃,BIAOMIANWENDUWEI210~230℃. F:JIANGWENQU(DINGFENGWENDU~130℃)JIANGWENSULVBAOCHIZAI:YOUQIANZHICHENG3℃/SYIXIA﹑WUQIANZHICHENG2℃/S -4℃/SZHIJIANSHEZHI G:LENGQUE(cooling)QUWENDUSHEZHI﹐HELLER(CHUA/BXIANLUZIWAI)HEJINGTUOSHEDINGWEI100-125℃ZHIJIAN﹐CHAOYUEWUXIANSHISHIJIWENDU﹐WEIZIDONGKONGZHIXITONG。BEIZHU﹕YISHANGBIAOZHUNSHIJIANJIWENDU﹐CHUZUJIANSHAO(1-20DIAN)HUOFR-1CAIZHIWAI﹐QIYUBIXUZUNXUN

二手贴片机浅谈炉温曲线测试方法

5.8.YICHANGCHULIDANGWENDUGUOGAO、GUODIHEWENQUJIANDESHIJIANBUFUHEFENXIBIAOZHUN﹐BIXUMASHANGTINGZHIGUOBAN。DAIGONGCHENGSHIZHONGXINSHEDINGLUWENHOU﹐LUWENCESHIYUANZHONGXINCESHI﹐OKHOUFANGKEJIXUGUOBAN﹐DUIZHIQIANGUODEBANJINXINGZHILIANGZHUIZONG。 

5.9.ZHUYISHIXIANG 

5.9.1LUWENCESHIYUANZAIJINXINGCESHIZUOYESHI,BIXUPEIDAIJINGDIANSHOUTAOHEWUXIANJINGDIANHUANZUOYE,XUYAONABANZISHI,BIXUNABANBIAN,BUKENABANMIAN. 

5.9.2RUYOUBUMINGZHICHU,QINGZIXUNGONGCHENGSHI. 

5.9.3HUIHANLUWENDUCANSHUSHEDINGWUCHAZHIWEI±10℃,WENDUSHEDINGZHIJISHIJIZHIYUNKEZAIYUHUIHANLULIANJIZHIJISUANJISHANGDUCHU。HUIHANLULIANSUYOULUWENGONGCHENGSHIGENJUBUTONGCHANPINSHEDING。QIZHONGHELLERJIJINGTUODEHUIHANLUYUNKEYUJISUANJISHANGDUCHUSHEDINGZHIJISHIJIZHI﹐CHAOYUEHUIHANLUNEIBUYISHEDINGSHIJILIANSUWEISHEDINGLIANSU±3mm/min. 

5.9.4MEICIXINJIZHONGSHICHANCECHUHEGEDEProfileQUXIANZHIHOU﹐ZAILIANXUCE5CI﹐JIANCEHUIHANLUDEWENDINGXING。 

5.9.5RUGUOKEHUTIGONGProfileQUXIAN﹐ZEGENJUProfileQUXIANDIAOSHILUWEN。RUGUOKEHUMEIYOUTIGONGProfileQUXIAN﹐ZEGENJUXIGAOCHENGFENDEYAOQIUDIAOSHILUWEN。DIAOZHENGOKHOUDELUWENJILIANTIAOSUDU﹐TIANXIEZAI「HUIHANLUCANSHUSHEDINGCANKAOBIAO」(QWD-07-009-01*)JI「LUWENCESHIBAOBIAO」(QWD-07-009-02*)ZHONG。

5.9.6DANGCAIZHI﹑ZHICHENGYOUBIANGENGXUYAOCANSHUBANBENSHENGJISHI﹐BIXUTIANXIE「WENDUXIUGAILVLIBIAO」(QWD-07-009-03*)

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