竞博体育yahuhanweishenmehuichanshengqikong?
竞博体育zuozhe:luoyangjilidianhanxuexiaozhanglaoshi laiyuan:zhanglaoshi fabushijian:2020-10-18 08:51
氩弧焊竞博体育是以惰性气体“ 氩气” 作为保护气体的一种电弧焊方法,氩气从喷嘴中喷出,在焊接区形成惰性气体保护层,隔绝了空气的侵入,从而对电弧及熔池形成保护。
gaihanjiefangfayouhenduoyoudian: baohuxiaoguohao,hanjiezhilianggao,buhuichanshengfeijian, hanfengchengxingmeiguan;hanjiebianxingxiao,keshixiandanmianhanshuangmianchengxing,baozhenggenbuhantou,nengjinxinggezhongweizhidehanjie;keyihanjiegezhongjinshuhehejin;dianhuranshaowending, minghucaozuo,wurongzha, rongyishixianzidonghua。
竞博体育yinci,zaishijishengchanzhongdedaoguangfanyingyong。danyouyuyahuhankangfengnengliruo,duitiexiu、shui,youwutebiemingan,duiqitidechundu、pokouqingli、hanjiegongyidengyaoqiuyange,rongyichanshengqikong。
本文结合生产实际对氩弧焊焊接产生气孔问题进行分析,并提出一些处理方法和注意事项。
qikongdeyingxiangyinsu
1.氩气不纯
hanjietangangshiyaqidechundubudiyu99.7%,hanjielvshibudiyu99.9%, erhanjietaihetaihejinyongdeyaqichundugaoda99.99%。
检测氩气纯度方法:
竞博体育(l) zaidamoganjingdegangbanhuoguanzishangbujiahansijinxinghanjie,ranhouzaihandaoshangduocizhongrong,ruguoyouqikong,zeshuomingyaqibuchun。
(2) hanjieshi,dianhuzhouweiyoufeichangxiaodehuoxingyeshuomingyaqibuchun。
竞博体育(3) youshidangyaqidechundujiejinhanjieyaoqiudechunduyaoqiushi,yongshangshu2zhongjiancefangfabingbunengjianyanchulai,danshizaihanjieyoujianxidehankoushi,jiuhuizaihanfengdegenbuchanshengduanxudeqikong,huozhezaigaimianhanshichanshengbiaomianqikong,huohandaobiaomianyouyicengyanghuapi。
(4) zainiebanshangdianhanshudian,handianchengyinbaise,biaomianrujingmian,zeshuomingyaqichunduhege。
2.氩气流量
竞博体育yaqiliuliangguoxiao,kangfengganraonengliruo ;guoda,qitiliusutaida,jingguopenzuishixingchengdejinbicengliuhenbo,qitipenchuhou,henkuaiwenluan,erqierongyibakongqijuanru,duirongchidebaohuxiaoguobiancha。suoyi,yaqideliuliangyidingyaoheshi,qiliucainengwending。
3.气带漏气
qidaijiekouhuozheqidailouqidouhuizaochenghanjieshiqitiliuliangguoxiao,kongqibeixiruqidainei,congerzaochengbaohuxiaoguobuhao。
4. 风的影响
fengshaoda,huishiyaqibaohucengxingchengwenliu,congerzaochengbaohuxiaoguobujia。yinci,fengsu> 2m/sshiyaocaiqufangfengcuoshi;hanjieguanzishi,yaobaguankouduzhu,bimianzaiguanneixingchengchuantangfeng。
5.焊枪喷嘴的影响
竞博体育penzuizhijingguoxiao,dangdianhuzhouweideyaqiyouxiaobaohufanweixiaoyurongchimianjishi,jiuhuizaochengbaohubuhaoerchanshengqikong。youqishiyewaizuoye、hanjiedaguanzishiyaoyongjiaodazhijingdepenzui,yiyouxiaodibaohudianhuherongchi。
6.焊枪喷嘴与工件间的距离
gaijulixiao,duicefengdeyingxiangminganduxiao;gaijulida,kangfengganraodenengliruo。
7.气瓶内压力太小
qipingneideyalixiaoyu1mpashiyaotingyong。
8.焊枪角度过大
竞博体育hanqiangdejiaoduguoda,yifangmianhuibakongqidairurongchi,lingyifangmianzaochengzhanghucedeyaqiliuduidianhuherongchidebaohuxiaoguobiancha。
9 .氢气流量表的影响
竞博体育liuliangbiaochuqibuwending,hudahuxiaodouhuiyingxiangbaohuxiaoguo。
10 .操作的影响
竞博体育zaiyongdaikongzhianniudeyahuhanhanqiangshi,zaihanqianyaoxianfangqi,yimianqidaineideyaliguoda,zaiyinhushizaochengchuqiliuliangshunjianguoda,chanshengqikong。
11 .焊枪配件不合适
wujijiabupeitao,dusaiqilubuliuchang,baohuqiticongpenzuineideyiceliuchu,bunengxingchengwanzhengdebaohuquan。
hanjiecailiaodeyingxiang
1 .焊丝型号的影响
竞博体育bunengyongmaihuhanhansidaitishougongwujiyahuhanhansi,fouzehuichanshengduanxuhuozhelianxuzhuangdeqikong。
2 .焊丝不干净
hansibiaomianyoutiexiu、youwu、shuijiangzhijiecushihanfengneichanshengdaliangdeqikong。
mucaicaizhideyingxiang
1. 板材或管材质量的影响
竞博体育bancaihuoguancaizhongruoyoujiaceng,jiacengzhongdezazhihuicushiqikongquexiandechansheng。
2 .钢种的影响
feitenggang( yanghanliangda、zazhiduo)bunengyongyahuhanhanjie。
wujideyingxiang
1. 钨极端部的影响
wujiduanbubujian,dianhupiaoyibuwending,pohuaiyaqidebaohuqu,shirongchijinshuyanghuachanshengqikong。
2 .引弧时电弧上爬造成保护不好
竞博体育dangyonggaopinyinhudeshebeishi,gangyinhushiwujiduanbuwendudi,bujubeizugouderefashedianzinengli,dianzirongyicongyouyanghuamodedifangfashe,yandianjishangpaxunzhaoyouyanghuawudedifangfashe,cishizaochengdianhulazhang,yaqiduirongchidebaohuxiaoguobiancha,dangwujidewendushangshenghou,dianzibiancongwujideqianduanfashe,dianhuhuzhangxiangyingbianduan。zheishizhiyaobawujibiaomianshangyanghuawudamoganjingjiukeyipaichu。
hanjiegongyideyingxiang
1 .坡口清理
pokoumianyijipokouliangcege10mmfanweidouyaodamoganjing,bimianhanjieshidianhuchanshengdecixingbarongchifujindetiexiuxirurongchi。
2 .焊接速度的影响
竞博体育hanjiesuduguokuai,youyukongqizuliduibaohuqiliudeyingxiang, yaqiqiliuhuiwanqu,pianlidianjizhongxinherongchi,duirongchihedianhubaohubuhao。
3 .熄弧弧方法的影响
竞博体育xihushicaiyongshuaijiandianliuhuojiahansi、badianhudaidaopokoucebingyadidianhudexihufangfa,buyaoturantinghuzaochenggaowenderongchituoliyaqiliudeyouxiaobaohu,bimianhukengchuxianqikonghuosuokong。
4 .焊接电流的影响
hanjiedianliutaixiao,dianhubuwending,dianhuzaiwujideduanbubuguizedipiaoyi,pohuaibaohuqu。hanjiedianliutaida,dianhuduiqiliuchanshengraoluanzuoyong,baohuxiaoguobiancha。
5 .钨极伸出长的影响
竞博体育wujishenchuzhangtaizhang,qingqiduidianhuherongchidebaohuxiaoguobiancha。
结语
yinqishougongwujiyahuhanhanjieshichanshengqikongdeyinsuguranjiaoduo,danshi,zhiyaolejieleyahuhandetedian,binggenjushijiqingkuangzhuyipaichayingxiangyinsu,paichusuoyouyinqiyahuhanshihanfengchanshengqikongdeyinsu,jiunenggouzaishijishengchanzhongtigaohanjiezhiliang。