ʻO keʻano o ka welding no nā mea hana ma lalo o nā kūlana i ho'ākākaʻia no ke kūkuluʻana i kahi lālā e like me nā koi hoʻolālā, a me ka hiki ke hoʻokō i nā koi o ka lawelawe i koho muaʻia.Ma ka welding material, welding, ʻano ʻāpana a me nā koi hoʻohana e pili ana i nā kumu ʻehā.

Kuʻi kila kalapona haʻahaʻa
Ma muli o ka maʻiʻo kalapona o ke kila kalapona haʻahaʻa (e laʻa: ka paipu kila kalapona), ʻo ka manganese, ʻoi aku ka liʻiliʻi o ka maʻiʻo silika, no laila ʻaʻole e loaʻa ka wiliwili koʻikoʻi e kinai i ka ʻiʻo paʻakikī.He maikaʻi nā hui kuʻi kalapona haʻahaʻa a me ka paʻakikī paʻakikī, hoʻopaʻa ʻia, maʻamau me ka ʻole preheating, kaohi ʻana i ka mahana a me ka wela ma waena o nā papa, me ka hoʻohana ʻana i ka wela post-weld ʻaʻole e hoʻomaikaʻi i ka hui, ʻaʻole pono ke kaʻina holoʻokoʻa i nā kaʻina hana kuʻihao kūikawā. weldability.

wiliwili kila kalapona
ʻO ka hapa nui kalapona o 0.25% ~ 0.60% no ke kila kalapona waena.Ke kiʻekiʻe ka hapa nui o ke kalapona a me ka manganese ma kahi o 0.25%, maikaʻi ka weldability.Me ka hoʻonui ʻana o ka maʻiʻo kalapona, ua emi mālie ka weldability.Inā ma kahi o 0.45% ke kalapona, ʻoiai e pili ana i ke kaʻina hana kuʻihao haʻahaʻa haʻahaʻa i hoʻohana ʻia i ka wā i hoʻopili ʻia i ka wela e hana ai i ka martensite brittle, maʻalahi e haki, ʻo ia ka hoʻokumu ʻana o ke anu.I ka welding, hoʻoheheʻe ʻia ka nui o ka mea kumu i loko o ka weld, ka weld i hoʻonui ʻia ka ʻike kalapona, e hoʻoikaika i ka maʻa wela i ka weld, ʻoi aku ka nui o ka mālama ʻana i nā haumia o ka sulfur.ʻOi aku ka maʻalahi o kēia māwae i loko o ka lua i ka māhele ʻana o ka wela i ka weld māwae a me ka scaly no laila wavy laina perpendicular i ka weld.

Kuʻi kila kila kiʻekiʻe
Ke oi aku ka nui o ke kalapona kalapona kiʻekiʻe ma mua o 0.60%, paʻakikī, kuʻi ʻana i ka naʻau ma hope o ka ʻoi aku ka nui a no laila ʻilihune weldability, ʻaʻole hiki ke hoʻohana ʻia i ka hana ʻana i nā hale welded.Pono e hoʻohana pinepine ʻia i ka hana ʻana i ka paʻakikī a i ʻole abrasion o nā ʻāpana a me nā ʻāpana, ʻo ka hana welding ka nui o ka hoʻoponopono ʻana.Ma muli o ke kiʻekiʻe tensile ikaika kalapona kila nui i loko o 675MPa a oi, no laila, i ka maʻamau electrode kükohu E7015, E6015, hiki ke koho E5016, E5015 electrode hoʻolālā ke noi nā lālā no ka nui.Eia hou, hiki iā mākou ke hoʻohana i ka chrome-nickel austenitic steel electrodes no ka welding.Ma muli o nā ʻāpana kila kalapona kiʻekiʻe i mea e loaʻa ai ka paʻakikī kiʻekiʻe a me ke kūpaʻa ʻana, ua kau ʻia ka mea pono i ka mālama wela, pono e hoʻopili ʻia ma mua o ka annealing e welded.Pono e hana ʻia ma mua o ka welding preheat, ʻoi aku ka maʻamau o ka preheat ma luna o 250 ~ 350 ℃, ʻaʻole pono ka haʻahaʻa o ke kaʻina hana kuʻi ma mua o ka mahana o ka papa paʻa ma waena o ka wela preheating.Pono nā weld ma hope o ka wiliwili ʻana i ka wela hoʻomaha mālie a komo koke i loko o ka umu ma 650 ℃ no ka mālama ʻana i ka wela.