Galvanized ígwè bụ n'ozuzu oyi akwa nke zinc mkpuchi n'èzí nke obere carbon ígwè, na zinc mkpuchi bụ n'ozuzu 20μm oké. Ebe na-agbaze nke zinc bụ 419 Celsius C na ebe isi ihe dị ihe dịka 908 Celsius.
A ghaghị ịchacha weld tupu ịgbado ọkụ
A ghaghị ịchacha oyi akwa galvanized na weld, ma ọ bụghị ya, a ga-emepụta afụ, oghere ájá, ịgbado ọkụ ụgha, wdg. Ọ ga-emekwa ka weld ahụ kewaa ma belata isi ike.
Nyocha nke àgwà nke galvanized ígwè ịgbado ọkụ
N'oge ịgbado ọkụ, zinc na-agbaze ka ọ bụrụ mmiri mmiri ma na-ese n'elu ọdọ mmiri a wụrụ awụ ma ọ bụ na mgbọrọgwụ nke weld. Zinc nwere nnukwu solubility siri ike na ígwè. Zinc mmiri mmiri ga-emebi n'ụzọ miri emi metal weld n'akụkụ oke ọka, na zinc nke na-agbaze dị ala ga-etolite "mgbanye igwe mmiri mmiri".
N'otu oge ahụ, zinc na ígwè nwere ike ịmepụta ogige intermetallic brittle. Usoro ndị a na-emebi emebi na-ebelata plasticity nke igwe weld wee mepụta mgbawa n'okpuru nrụgide tensile.
Ịgbado ọkụ fillet welds, karịsịa fillet welds nke T-njikọ, na-yikarịrị na-emepụta site cracks. Mgbe galvanized ígwè na-welded, zinc oyi akwa na uzo elu na nsọtụ ga-oxidize, gbazee, evaporate n'okpuru omume nke arc okpomọkụ, na volatilize ọcha anwụrụ ọkụ na uzuoku, nke nwere ike mfe ime weld porosity.
ZnO mebere site na oxidation nwere ebe mgbaze dị elu, karịa 1800°C. Ọ bụrụ na parampat dị ntakịrị n'oge ịgbado ọkụ, ntinye ZnO slag ga-eme. N'otu oge ahụ, ebe Zn na-aghọ deoxidizer, FeO-MnO ma ọ bụ FeO-MnO-SiO2 obere agbaze oxide slag nsonye ga-eme. Nke abuo, n'ihi evaporation nke zinc, a ga-agbanwe nnukwu anwụrụ ọkụ na-acha ọcha, nke ga-akpasu iwe ma merụọ ahụ mmadụ. Ya mere, a ga-ehichapụ oyi akwa galvanized na ebe ịgbado ọkụ.
Ngwá ọrụ ịgbado ọkụ Xinfa nwere njirimara dị elu na ọnụ ala dị ala. Maka nkọwa, biko gaa na:Ndị na-emepụta ịgbado ọkụ na ịkpụ - China Welding & Cutting Factory & Suppliers (xinfatools.com)
Kedu ka esi ejikwa usoro ịgbado ọkụ galvanized ígwè?
Nkwadebe tupu ịgbado ọkụ nke galvanized ígwè bụ otu ihe ahụ na nke izugbe obere carbon ígwè. Ọ dị mkpa iji nlezianya jikwaa nha oghere na akwa galvanized dị nso. Iji weld site na, uzo size kwesịrị ekwesị, n'ozuzu 60 ° ~ 65 °. A ga-ahapụ ụfọdụ oghere, n'ozuzu 1.5 ~ 2.5mm. Iji belata penetration nke zinc n'ime weld, galvanized oyi akwa na uzo nwere ike wepụ tupu ịgbado ọkụ.
N'ime ọrụ nlekọta n'ezie, a na-eji ime oghere na-enweghị isi na-enweghị isi maka njikwa etiti. Usoro ịgbado ọkụ nke okpukpu abụọ na-ebelata ohere nke ịgbado ọkụ na-ezughị ezu.
Ekwesịrị ịhọrọ mkpanaka ịgbado ọkụ dị ka ihe ndabere nke ọkpọkọ galvanized si dị. N'ozuzu, a na-ejikarị J422 eme ihe maka ígwè carbon dị ala n'ihi ọrụ dị mfe.
Usoro ịgbado ọkụ: Mgbe ịgbado ọkụ mbụ oyi akwa nke multi-layer welds, gbalịa gbazee zinc oyi akwa na vaporize na evaporate ya iji gbanarị weld, nke nwere ike dị ukwuu ibelata ọnọdụ nke mmiri mmiri zinc fọdụrụ na weld.
Mgbe ị na-agbado welds fillet, gbalịa gbazee oyi akwa zinc na oyi akwa nke mbụ ma mee ka ọ na-ekupụ ma kpofuo iji gbanarị weld ahụ. Usoro bụ ibu ụzọ na-ebugharị njedebe nke electrode n'ihu banyere 5 ~ 7mm, wee laghachi n'ọnọdụ mbụ wee nọgide na-agbado ọkụ mgbe oyi akwa zinc gbazee.
N'ịgbado ọkụ kwụ ọtọ na kwụ ọtọ, ọ bụrụ na ejiri electrodes slag dị mkpụmkpụ dị ka J427 mee ihe, ọ ga-adị ntakịrị ntakịrị. Ọ bụrụ na ejiri teknụzụ na-akpụ akpụ mkpanaka azụ na apụta, ọ ga-abụ na ọ ga-enweta mmetụta ịgbado ọkụ na-enweghị ntụpọ.
Oge nzipu: Sep-05-2024
