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您所在的位置:幸运飞艇不倍投计划 > 幸运飞艇不倍投计划 > 幸运飞艇不倍投计划 > 如何掌控Q235B焊管焊缝间隙的控制

如何掌控Q235B焊管焊缝间隙的控制

文章出处:作者:人气:1发表时间:2018/7/5 14:43:39【

  将带钢送入Q235B焊管幸运飞艇不倍投计划机组,经多道轧辊滚压,带钢逐渐卷起,形成有开口间隙的圆形管坯,调整挤压辊的压下量,使焊缝间隙控制在1~3mm,并使焊口两端齐平。如间隙过大,则造成邻近效应减少,涡流热量不足,焊缝晶间接合不良而产生未熔合或开裂。如间隙过小则造成邻近效应增大,焊接热量过大,造成焊缝烧损;或者焊缝经挤压、滚压后形成深坑,影响焊缝表面质量。

  HANJIEWENDUKONGZHI

幸运飞艇不倍投计划  HANJIEWENDUZHUYAOSHOUGAOPINWOLIUREGONGLVDEYINGXIANG,GENJUXIANGGUANGONGSHIKEZHI,GAOPINWOLIUREGONGLVZHUYAOSHOUDIANLIUPINLVDEYINGXIANG,WOLIUREGONGLVYUDIANLIUJILIPINLVDEPINGFANGCHENGZHENGBI;ERDIANLIUJILIPINLVYOUSHOUJILIDIANYA、DIANLIUHEDIANRONG、DIANGANDEYINGXIANG。

JILIPINLVGONGSHIWEI:

  f=1/[2π(CL)1/2]

  SHIZHONG:f-JILIPINLV(Hz);C-JILIHUILUZHONGDEDIANRONG(F),DIANRONG=DIANLIANG/DIANYA;L-JILIHUILUZHONGDEDIANGAN,DIANGAN=CITONGLIANG/DIANLIU

  SHANGSHIKEZHI,JILIPINLVYUJILIHUILUZHONGDEDIANRONG、DIANGANPINGFANGGENCHENGFANBI、HUOZHEYUDIANYA、DIANLIUDEPINGFANGGENCHENGZHENGBI,ZHIYAOGAIBIANHUILUZHONGDEDIANRONG、DIANGANHUODIANYA、DIANLIUJIKEGAIBIANJILIPINLVDEDAXIAO,CONGERDADAOKONGZHIHANJIEWENDUDEMUDE。DUIYUDITANGANG,HANJIEWENDUKONGZHIZAI1250~1460℃,KEMANZUGUANBIHOU3~5mmHANTOUYAOQIU。LINGWAI,HANJIEWENDUYIKETONGGUODIAOJIEHANJIESUDULAISHIXIAN。

幸运飞艇不倍投计划  SHURURELIANGBUZUSHI,BEIJIAREDEHANFENGBIANYUANDABUDAOHANJIEWENDU,JINSHUZUZHIRENGRANBAOCHIGUTAI,XINGCHENGWEIRONGHEHUOWEIHANTOU;DANGSHURURESHIBUZUSHI,BEIJIAREDEHANFENGBIANYUANCHAOGUOHANJIEWENDU,CHANSHENGGUOSHAOHUORONGDI,SHIHANFENGXINGCHENGRONGDONG。