Izici eziyingozi zezinto zokushisela
(1) Into eyinhloko yocwaningo yenhlanzeko yokushisela umsebenzi ukushisela i-fusion welding, futhi phakathi kwazo, izinkinga zenhlanzeko yabasebenzi be-open arc welding yizona ezinkulu kakhulu, futhi izinkinga zokushiselwa kwe-arc emanzini kanye nokushisela i-electroslag zincane kakhulu.
(2) Izinto eziyinhloko eziyingozi ze-electrode manual arc welding, carbon arc gouging kanye ne-CO2 gas shielded welding umusi nothuli olukhiqizwa ngesikhathi senqubo yokushisela - intuthu yokushisela. Ikakhulukazi i-electrode manual arc welding. Futhi i-carbon arc gouging, uma umsebenzi wokushisela wenziwa endaweni ewumngcingo yokusebenza (i-boiler, ikhabethe lomkhumbi, isiqukathi esingangeni moya kanye nepayipi, njll.) isikhathi eside, futhi esimweni sokungavikeleki kokukhucululwa kwendle, kuzodala umonakalo uhlelo lokuphefumula, njll. abaphethwe i-welding pneumoconiosis.
(3) Igesi enobuthi iyisici esikhulu esiyingozi sokushisela igesi kagesi kanye ne-plasma arc welding, futhi lapho ukugxila kuphezulu uma kuqhathaniswa, kuzodala izimpawu zobuthi. Ikakhulukazi, ama-ozone kanye ne-nitrogen oxides akhiqizwa yi-arc ukushisa okuphezulu kwemisebe esebenza ku-oxygen ne-nitrogen emoyeni.
(4) Imisebe ye-arc iyisici esivamile esiyingozi kuwo wonke ama-arc welding avulekile, futhi isifo samehlo e-electro-optic esibangelwa yisifo esikhethekile somsebenzi we-open arc welding. Imisebe ye-arc nayo ingalimaza isikhumba, ibangele ukuthi ama-welders aphathwe yizifo zesikhumba ezifana ne-dermatitis, i-erythema namabhamuza amancane. Ngaphezu kwalokho, imicu kakotini yonakele.
(5) I-tungsten argon arc welding kanye ne-plasma arc welding, ngoba umshini wokushisela ufakwe i-oscillator ephakeme kakhulu ukusiza ukuqala i-arc, kunezici eziyingozi - insimu ye-electromagnetic high-frequency, ikakhulukazi umshini wokushisela onesikhathi eside sokusebenza. ye-oscillator ye-high-frequency oscillator (njengemishini yokushisela ye-argon arc eyenziwe efektri). Izinkambu ze-electromagnetic high-frequency zingabangela ukuthi ama-welders ahlupheke ngenxa yezifo zesimiso sezinzwa kanye nesistimu yegazi.
Ngenxa yokusetshenziswa kwama-electrode e-thoriated tungsten rod, i-thorium iyisithako esikhipha imisebe, ngakho-ke kunezici eziyingozi zemisebe (α, β kanye ne-γ), futhi ingase ibangele izingozi ezikhipha imisebe ezungeze umshini wokugaya lapho kugcinwa khona futhi kucijiswe induku ye-tungsten. .
(6) Ngesikhathi sokushisela i-arc ye-plasma, ukufutha nokusika, kuzokwenziwa umsindo onamandla, ozolimaza inzwa yokuzwa yomshiseli uma isivikelo singalungile.
(7) Izinto eziyinhloko eziyingozi ngesikhathi sokushiselwa kwegesi kwezinsimbi ezingenayo insimbi uthuli lwe-oxide olwakhiwe ukuhwamuka kwensimbi encibilikisiwe emoyeni, kanye negesi enobuthi ephuma ekugelezeni.
Idivayisi yokuhlanza intuthu ye-Xinfa welding inokudonsa okuqinile nomthelela omuhle. Ukuze uthole imininingwane, sicela ubheke ku:https://www.xinfatools.com/welding-environmental-protection-equipment/
Izixwayiso zokusebenzisa izinto zokushisela
1. Ngokuvamile kunezinhlobo ezimbili zama-electrode ensimbi engagqwali: uhlobo lwe-titanium-calcium kanye nohlobo oluphansi lwe-hydrogen. I-welding current isebenzisa amandla kagesi e-DC ngangokunokwenzeka, okuzuzisa ukunqoba ububomvu nokungena okungajulile kwenduku yokushisela. Ama-Electrode ane-titanium-calcium coating awafaneleki ukushisela yonke indawo, kodwa kuphela ukushisela okuyisicaba kanye ne-flat fillet welding; ama-electrode ane-low-hydrogen coating angasetshenziselwa ukushisela yonke indawo.
2. Ama-electrode ensimbi engagqwali kufanele agcinwe omile ngesikhathi sokusetshenziswa. Ukuze uvimbele ukukhubazeka okufana nokuqhekeka, imigodi, nezimbotshana, uhlobo lwe-titanium-calcium yomiswa ku-150-250 ° C ihora eli-1 ngaphambi kokushiswa, futhi uhlobo oluphansi lwe-hydrogen lomiswa ku-200-300 ° C Ihora elingu-1 ngaphambi kokushisela. Ungasomisi ngokuphindaphindiwe, ngaphandle kwalokho isikhumba sizowa kalula.
3. Hlanza i-welding joint, futhi uvimbele induku ye-welding ukuthi ingangcoliswa ngamafutha nokunye ukungcola, ukuze ingakhulisi okuqukethwe kwekhabhoni ye-weld futhi ithinte ikhwalithi ye-welding.
4. Ukuze uvimbele ukugqwala kwe-intergranular okubangelwa ukushisa, i-welding current akufanele ibe nkulu kakhulu, ngokuvamile i-20% ephansi kunaleyo ye-carbon steel electrode, i-arc akufanele ibe yinde kakhulu, futhi ama-interlayers apholile ngokushesha.
5. Qaphela lapho uqala i-arc, ungaqali i-arc engxenyeni engeyona i-welding, kungcono ukusebenzisa ipuleti yokuqala ye-arc yezinto ezifanayo njenge-weldment ukuze uqale i-arc.
6. I-short-arc welding kufanele isetshenziswe ngangokunokwenzeka. Ubude be-arc ngokuvamile bungu-2-3mm. Uma i-arc yinde kakhulu, imifantu eshisayo izokwenzeka kalula.
7. Umugqa wezokuthutha: i-short-arc fast welding kufanele yamukelwe, futhi ukushwibeka kwe-lateral ngokuvamile akuvunyelwe. Inhloso ukunciphisa ukushisa nobubanzi bendawo ethinteke ukushisa, ukuthuthukisa ukumelana ne-weld ekugqwaleni kwe-intergranular nokunciphisa ukuthambekela kokuqhekeka okushisayo.
8. Ukushiswa kwezinsimbi ezihlukene kufanele kukhethe ngokucophelela izinduku zokushisela ukuvimbela imifantu eshisayo ekukhethweni okungafanele kwezinduku zokushisela noma imvula yesigaba esingu-σ ngemva kokwelashwa kokushisa okuphakeme, okuzokwenza insimbi ifakwe embrittled. Bheka izindinganiso zokukhetha induku yokushisela yensimbi engagqwali nensimbi engafani ukuze ukhethe, bese usebenzisa izinqubo ezifanele zokushisela.
Izinto zokushisela ze-Xinfa zinekhwalithi enhle kakhulu, sicela uhlole imininingwane: https://www.xinfatools.com/welding-material/
Isikhathi sokuthumela: May-08-2023
