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。