ʻO ka welding kahi kaʻina hana e hoʻohui ʻia ai nā mea hana o nā mea hana e hoʻopili ʻia (ka like a i ʻole nā mea like ʻole) e ka hoʻomehana ʻana a i ʻole ke kaomi ʻana a i ʻole nā mea ʻelua, a me ka hoʻopiha ʻole ʻana i nā mea, i hoʻopaʻa ʻia nā mea hana o nā mea hana ma waena o nā atom e hana i kahi pili.No laila he aha nā mea nui a me ka hoʻomaopopo ʻanakuʻihao kila?
He aha ka electrode i hoʻohana ʻia no ka wili ʻana i ke kila kila？
1.Stainless kila electrodes hiki ke maheleia i chromium kuhiliʻole kila electrodes a chromium-nickel kuhiliʻole kila electrodes.ʻO kēlā o kēia mau ʻano electrodes ʻelua i kūpono i ke kūlana aupuni e loiloi ʻia e like me ke kūlana aupuni GB/T983-2012.
2.Chromium kuhiliʻole kila i kekahi corrosion kū'ē (oxidizing acid, organic acid, cavitation) wela a me ka corrosion kū'ē.He mea maʻamau ke koho ʻia e like me nā mea lako no ke kahua mana, ʻoihana kemika, ʻaila a pēlā aku.Eia nō naʻe, ʻilihune ka mana weld o ka chromium stainless steel, a pono e makaʻala i ka uku ʻana i ke kaʻina hana welding, nā kūlana mālama wela a me ke koho ʻana i nā electrodes welding kūpono.
3.Chromium-nickel kuhiliʻole kila electrodes maikaʻi corrosion kū'ē a me ka oxidation kū'ē, a ua nui hoʻohana 'ia i loko o kemika, fertilizer, petroleum, a me ka lāʻau mīkini hana.I mea e pale aku ai i ka corrosion intergranular ma muli o ka hoʻomehana ʻana, ʻaʻole nui ka nui o ke au kuʻi, ma kahi o 20% ka liʻiliʻi ma mua o nā electrodes hao kalapona. kūpono.
Nā Lae wiliwili kila kila a me ka hoʻolaha
Hoʻohana ʻia ka mana mana me nā hiʻohiʻona kūwaho kūwaho, a hoʻohana ʻia ka polarity maikaʻi no DC (pili ʻia ka uea welding i ka pole maikaʻi ʻole)
1. He kūpono ia no ka wiliwili ʻana i ke kila kila ma lalo o 6mm.Loaʻa iā ia nā hiʻohiʻona o ke ʻano kuʻihao maikaʻi a me ka deformation kuʻi liʻiliʻi.
2. ʻO ke kinoea pale he argon me ka maʻemaʻe o 99.99%.Ke 50 ~ 150A ka manawa kuʻi, ke kahe o ke kinoea argon he 8 ~ 10L / min, i ka manawa o 150 ~ 250A, ke kahe o ke kinoea argon he 12 ~ 15L / min.
3. ʻO ka lōʻihi o ka protruding o ka electrode tungsten mai ka nozzle kinoea ʻoi aku ka maikaʻi o 4 ~ 5mm.ʻO 2 ~ 3mm ia ma nā wahi me ka pale maikaʻi ʻole e like me ka fillet welding, a me 5 ~ 6mm ma nā wahi hohonu o ka slot.ʻAʻole ʻoi aku ka mamao mai ka nozzle a i ka hana ma mua o 15mm.
4. No ka pale ʻana i ka porosity welding, inā he ʻōpala a me nā ʻaila ʻaila ma nā ʻāpana wili, pono e hoʻomaʻemaʻe ʻia.
5. ʻOi aku ka maikaʻi o ka lōʻihi o ke kuʻi ʻana arc i ka 2 ~ 4mm i ka wā e wili ai i ke kila maʻamau, a me 1 ~ 3mm i ka wā e wili ai i ke kila kila.Inā lōʻihi ka lōʻihi, ʻaʻole maikaʻi ka hopena pale.
6. I ka hoʻoheheʻe ʻia ʻana o ka piko, i mea e pale ai i ke kua o ka weld bead lalo mai ka oxidized, pono e pale ʻia ke kua e ke kinoea.
7. I mea e hoʻomalu pono ai ke kinoea argon i ka wai wiliwili a hoʻomaʻamaʻa i ka hana kuʻi ʻana, ʻo ka laina waena o ka electrode tungsten a me ka mea hana ma ka wahi kuʻi ʻana e mālama mau i kahi kihi o 80 ~ 85 °, a me ke kihi ma waena o ka uea hoʻopiha a me ka ʻili o ka mea hana e liʻiliʻi e like me ka hiki.ʻO ka maʻamau, aia ma kahi o 10 °.
8. Pahu makani a me ka ea.Ma kahi o ka makani, e ʻoluʻolu e hana i nā mea e ālai ai i ka ʻupena, a e hana i nā ana hoʻoheheʻe ʻana i loko o ka hale.
Ka manawa hoʻouna: Apr-26-2023