GABATARWA
Akwai nau'ikan na'urori daban-daban da ake amfani da su a cikin tsarin waldawar baka na karfe, (SMAW).Manufar wannan jagorar shine don taimakawa tare da ganowa da zaɓin waɗannan na'urorin lantarki.
GANE ELECTRODE
Ana gano na'urorin walda na Arc ta amfani da tsarin lambar AWS, (American Welding Society) kuma an yi su a cikin girma daga 1/16 zuwa 5/16.Misali zai zama sandar walda da aka gano azaman 1/8" E6011 lantarki.
Lantarki yana da 1/8 inci a diamita.
The "E" yana nufin baka walda lantarki.
Na gaba zai kasance ko dai lamba 4 ko 5 da aka buga akan lantarki.Lambobin farko guda biyu na lamba 4 da lambobi 3 na farko na lambar lambobi 5 suna nuna mafi ƙarancin ƙarfi (a cikin dubunnan fam a kowace inci murabba'in) na walda wanda sanda zai samar, an sami sassauci.Misalai zasu kasance kamar haka:
E60xx zai sami ƙarfin ɗaure na 60,000 psi E110XX zai zama 110,000 psi.
Lamba na gaba zuwa na ƙarshe yana nuna matsayin da za a iya amfani da lantarki a ciki.
1.EXX1X shine don amfani a duk wurare
2.EXX2X shine don amfani a cikin matsayi na kwance da kwance
3.EXX3X shine don walƙiya mai lebur
Lambobi biyu na ƙarshe tare, suna nuna nau'in shafi akan lantarki da walƙiyar halin yanzu ana iya amfani da wutar lantarki da su.Irin su DC madaidaiciya, (DC -) DC reverse (DC+) ko AC
Ba zan bayyana nau'in suturar na'urorin lantarki daban-daban ba, amma zan ba da misalan nau'in halin yanzu kowanne zai yi aiki da su.
ELECTRODES DA CURRENTS AMFANI
● EXX10 DC+ (DC reverse ko DCRP) tabbataccen lantarki.
● EXX11 AC ko DC- (DC madaidaiciya ko DCSP) na'urar lantarki mara kyau.
● EXX12 AC ko DC-
● EXX13 AC, DC- ko DC+
● EXX14 AC, DC- ko DC+
● EXX15 DC+
● EXX16 AC ko DC+
● EXX18 AC, DC- ko DC+
● EXX20 AC, DC- ko DC+
● EXX24 AC, DC- ko DC+
● EXX27 AC, DC- ko DC+
● EXX28 AC ko DC+
NAU'O'IN YANZU
Ana yin SMAW ta amfani da AC ko DCcurrent.Tun da halin yanzu na DC yana gudana ta hanya ɗaya, DC na yanzu na iya zama madaidaiciyar DC, (electrode negative) ko kuma DC ta juyo (tabbatar lantarki).Tare da jujjuyawar DC, (DC+ KO DCRP) shigar da walda zai yi zurfi.DC madaidaiciya (DC- KO DCSP) weld ɗin zai sami saurin narkewa da ƙimar ajiya.Weld zai sami matsakaicin shiga.
Ac halin yanzu yana canza polarity sau 120 a sakan daya da kansa kuma ba za'a iya canza shi ba kamar yadda DC na yanzu.
GIRMAN ELECTRODE DA AMPS AMFANI
Mai zuwa zai zama jagora na asali na kewayon amp wanda za'a iya amfani dashi don girman nau'ikan lantarki daban-daban.Lura cewa waɗannan ƙididdiga na iya bambanta tsakanin masana'antun lantarki daban-daban don girman girman sanda ɗaya.Hakanan nau'in shafi akan lantarki na iya yin tasiri akan kewayon amperage.Idan zai yiwu, duba bayanan ƙera na lantarki da za ku yi amfani da su don shawarar saitunan amperage.
Teburin Electrode
| ELECTRODE DIAMETER (KAURI) | Farashin AMP | PLATE |
| 1/16" | 20-40 | HAR 3/16" |
| 3/32" | 40-125 | HAR 1/4" |
| 1/8 | 75-185 | Sama da 1/8" |
| 5/32" | 105-250 | Sama da 1/4" |
| 3/16" | 140-305 | Sama da 3/8" |
| 1/4" | 210-430 | Sama da 3/8" |
| 5/16" | 275-450 | Sama da 1/2" |
A kula!Mafi kauri kayan da za a welded, mafi girma na halin yanzu da ake bukata da girma da lantarki da ake bukata.
WASU NAU'IN ELECTRODE
Wannan sashe zai yi bayanin a taƙaice na'urori guda huɗu waɗanda ake amfani da su don kulawa da gyaran walda na ƙaramin ƙarfe.Akwai wasu na'urori masu yawa da yawa don walda na wasu nau'ikan karafa.Bincika dillalin samar da walda na gida don lantarki wanda ya kamata a yi amfani da shi don karfen da kuke son waldawa.
E6010Ana amfani da wannan lantarki don duk waldawar matsayi ta amfani da DCRP.Yana samar da walƙiya mai zurfi mai zurfi kuma yana aiki da kyau akan ƙazantattun ƙarfe, tsatsa, ko fenti
E6011Wannan lantarki yana da halaye iri ɗaya na E6010, amma ana iya amfani dashi tare da igiyoyin AC da DC.
E6013Ana iya amfani da wannan lantarki tare da igiyoyin AC da DC.Yana samar da tsaka-tsaki mai ratsa walƙiya tare da mafi kyawun siffa mai walƙiya.
E7018An san wannan lantarki da ƙananan lantarki na hydrogen kuma ana iya amfani dashi tare da AC ko DC.Rufin da ke kan lantarki yana da ƙananan abun ciki wanda ke rage shigar da hydrogen a cikin walda.Wutar lantarki na iya samar da welds na ingancin x-ray tare da shiga tsakani.(A kula, dole ne a ajiye wannan na'urar a bushe. Idan ya jike, sai a bushe shi a cikin tanda na sanda kafin amfani da shi).
Ana fatan wannan mahimman bayanai za su taimaka wa sabon ko kantin sayar da walda don gano nau'ikan na'urorin lantarki daban-daban tare da zabar wanda ya dace don ayyukan walda.
Lokacin aikawa: Dec-23-2022