Welding shine ainihin bukatu a masana'antu da yawa. Haɗa da sarrafa karafa zuwa sifofi da samfura na buƙatar ƙwararrun ƙwararrun waɗanda suka koyi sana'arsu tun daga koyo har zuwa gwaninta tun farko. Hankali ga daki-daki yana sa babban walda, kuma babban walda yana da daraja sosai a cikin shagunan ƙirƙira da yawa. Yayin da aikin sarrafa kansa ke ci gaba da cika ƙwararrun sana'o'in hannu, walda ya kasance wata fasaha ce da ba za a iya sarrafa ta ba, kuma ana buƙatar masu aikin walda masu ilimi koyaushe.
Waldawar sanda / Arc Welding (SMAW)
Ita kuma sandar walda kuma ana kiranta da welding karfen baka mai garkuwa (SMAW). A cikin wannan hanyar walda, mai walda yana amfani da sandar walda a cikin aikin hannu, ta yin amfani da wutar lantarki don ƙirƙirar baka tsakanin sandar da ƙarfen da za a haɗa. Ana amfani da wannan hanyar da yawa wajen gina gine-ginen ƙarfe da kuma masana'antun masana'antu don walda karfe. Mai walda da ke amfani da wannan hanyar dole ne ya kasance ƙwararren isa ya wuce ƙarfen walda ta gwajin lanƙwasa mai lalata. Wannan hanyar tana da sauƙin koya, amma tana buƙatar dogon zangon koyo don zama jagora. Waldawar sanda kuma baya haifar da mafi kyawun ƙarewa, don haka ya fi dacewa don abubuwan walda waɗanda ba a iya gani a cikin kayan da aka gama. Wannan hanya tana da kyau don gyare-gyaren kayan aiki saboda yana aiki a kan tsatsa, fenti da datti.
Karfe inert gas (MIG) waldi ko GMAW
Gas Metal Arc Welding (GMAW) kuma aka sani da MIG (Metal Inert Gas) waldi. Wannan hanyar walda tana amfani da iskar kariya tare da na'urorin lantarki sannan ta dumama karafa biyu da za'a hada su. Wannan hanyar tana buƙatar wutar lantarki akai-akai daga tushen wutar lantarki na DC kuma shine tsarin walda na masana'antu da aka fi amfani dashi. Wannan hanya tana da kyau don walda karfen takarda mai kauri zuwa matsayi a kwance.
Tungsten Inert Gas (TIG) Welding (GTAW)
Gas tungsten garkuwar walda (GTAW), wanda kuma aka sani da TIG (tungsten inert gas) waldi, ana amfani da shi da farko don haɗa sassan bakin karfe ko ƙarfe mara ƙarfe. Wannan wani tsari ne na waldawar baka wanda ke yin walda tare da ingantacciyar wutar lantarki ta tungsten, amma tsarin yana ɗaukar lokaci fiye da waldawar sanda ko MIG. Abubuwan da ke tattare da ƙarfe na tushe yana da mahimmanci yayin amfani da wannan hanya, kamar yadda yawan adadin chromium yana rinjayar zafin jiki na narkewa. Irin wannan walda za a iya yi ba tare da filler karfe. Saboda yawan iskar gas ɗin da ake buƙata, wannan hanya ta fi dacewa a yi a cikin ɗaki mai nisa daga abubuwa. walda TIG yana samar da kyawawan walda, amma yana da wuyar ƙwarewa kuma yana buƙatar ƙwararren ƙwararren walda.
Flux cored baka waldi
Flux cored arc waldi (FCAW) an haɓaka shi azaman madadin walda mai kariya. Wannan hanyar tana da sauri kuma mai ɗaukar nauyi, kuma ita ce hanyar da aka fi amfani da ita wajen ayyukan gine-gine. Ana amfani da shi a cikin ayyukan walda iri-iri kuma yana ba da babban sassauci a kusurwa, ƙarfin lantarki, polarity da sauri. Irin wannan nau'in walda yana da kyau a yi a waje ko a ƙarƙashin murfin hayaƙi yayin da yake haifar da hayaki mai yawa yayin aikin.
Ko da wane nau'in walda da aka yi amfani da shi don aikin ƙirƙira ƙarfe na al'ada, yana da mahimmanci a sami ƙwararren mai walda wanda ya fahimci ƙaƙƙarfan kowace hanya da ƙarfe da suke aiki da su. Shagon ƙirƙira ƙirar ƙarfe mai inganci zai sami ƙungiyar ƙwararrun masu walda waɗanda ke alfahari da sana'arsu kuma suna iya ba da shawarar mafi kyawun nau'in walda don kowane aiki.
Lokacin aikawa: Afrilu-07-2023
