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42CrMo无缝管焊接过程中应做好哪些工作

文章出处:http://bagsbig.com 发表时间:2017/6/9 9:08:58 点击:4

42CrMo无缝管焊接过程中应做好哪些工作

42CrMo无缝管焊接过程中应注意的问题:

(1)HANQIANYANGEQINGCHUGONGJIANBIAOMIANDEYOUWU、TIEXIU、SHUIZIHEMAOCI。

(2)将42CrMo无缝管整体装入井式加热炉中预热,预热温度为400℃,升温速度80℃/h,保温4h。

(3)42CrMo无缝管焊条使用前经350~400℃烘干,保温2h,然后放入保温筒内,随用随取。

(4)WEILEJIANXIAOHANJIEYINGLI,YONGCHUITOUYUANJIAOWEI1.0~1.5mmDEFENGCHANZHUCENGCHUIJIHANDAOBIAOMIAN,XIANGLINLIANGHANCENGJIANDECHUIJIFANGXIANGYAOXIANGFAN。?

(5)ZHENGGEGONGJIANDUIHANWANBIHOU,ZAIGONGJIANLENGQUEZHI350℃YIQIANZHIYU400℃DEJINGSHILUZHONG,SHENGWENZHI600~650℃,BAOWEN4h,SUILULENGQUEZHI150℃HOUQUCHUKONGLENG。SHENGWENSUDUWEI80℃/h。QUYINGLITUIHUOGONGYIRUTU2SUOSHI。

(6)QUYINGLITUIHUOHOU,DUIDUIHANBIAOMIANJINXINGCIFENTANSHANGJIANCHA,WEIFAXIANLIEWENDENGQUEXIAN,JIXIEJIAGONGHOUYEWEIFAXIANLIEWEN

(7)CAIYONGZHILIUFANJIE(JIGONGJIANJIEFUJI),HANJIEDIANLIU180~220A,DIANLIUDIANYA23~25V,HANJIESUDU180~190mm/min。?

(8)ZAISHIHANGUOCHENGZHONGCAIYONGLVDAISHIJIAREQIBAOWEN,YOULIANGMINGHANGONGZAILIANGCEDUICHENGSHIHAN,ZHENGGEHANJIEGUOCHENGLIANXUJINXING,ZHONGTUBUDEZHONGDUAN,BINGLIQIUSUODUANGECENG(DAO)HANFENGDEHANJIEJIANGESHIJIAN,XUANYONGLINGMINDUGAO、JINGDUHAODECELIANGYIJIANCEWENDUBIANHUA,KONGZHICENGJIANWENDUZAI(350±20)℃DEFANWEINEI。ZAIBUCHANSHENGLIEWENDEQINGKUANGXIA,MEIGEHANCENGJINLIANGBU,YIBANBUDAYUHANTIAOZHIJING,MEITIAOHANDAODEYINHU、SHOUHUCHUYAOCUOKAI,SHOUHUSHITIANMANHUKENG。DUIMEICENGHANDAOJINXINGRENZHENJIANCHA,DUIYICHANSHENGDEQIKONG、LIEWENDENGQUEXIANXUCHEDIQINGCHUHOU,ZAIZHONGXINJINXINGHANJIE。 ?

 

文章来源:http://bagsbig.com/

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