ʻAʻohe ʻokoʻa o ka hana ma waena o ka wiliwili argon arc piha a me ka wiliwili argon arc.ʻO ka wiliwili argon arc piha ka mea kūpono no nā paipu liʻiliʻi liʻiliʻi liʻiliʻi liʻiliʻi (maʻamau DN60 a ma lalo, ʻo ka mānoanoa o ka pā 4mm), ʻo ke kumu e hōʻoia i ka maikaʻi o ke kumu weld a me ke ʻano.
Ke nui ke anawaena o ka paipu a mānoanoa ka pā, pono e hoʻohana ʻia ka wili argon arc ma ke kumu a me ka wili lima lima e uhi i ka ʻili.ʻO ke kumu o ka welding manual e hōʻoia i ka maikaʻi o ka hiʻohiʻona o ke anawaena paipu nui a me ka wili lima lima, a ʻoi aku ka maikaʻi o ka hana ma mua o ka wili argon arc.haʻahaʻa ma mua o ka wiliwili argon arc.
Hoʻohana ʻia ke kaʻina hana hoʻoheheʻe argon arc i ka hoʻopili ʻana i nā paia wai paila, superheaters, economizers, a me nā mea ʻē aʻe.
Nā pōmaikaʻi o ka welding argon arc
(1) maikaʻi maikaʻi
I ka lōʻihi o ke koho ʻana i ka uea kuʻi kūpono, nā ʻāpana kaʻina hana welding a me ka pale kinoea maikaʻi ke koho ʻia, hiki i ke aʻa ke komo maikaʻi, a ʻano like ke komo ʻana, a maʻemaʻe a maʻemaʻe ka ʻili.ʻAʻohe hemahema e like me ka weld bumps, incomplete penetration, depressions, pores and slag inclusions i maʻalahi ke hana i ka wā arc welding me nā electrodes maʻamau.
(2) Hoʻoikaika kiʻekiʻe
Ma ka papa mua o ka kuʻi ʻana o ka pipeline, ʻo ka manual argon arc welding ka hoʻomau mau ʻana.ʻO ka welding arc electrode ua wāwahi ʻia ka wili arc, no laila hiki i ka manual argon arc welding ke hoʻonui i ka pono e 2 a 4 mau manawa.No ka mea, ʻaʻole hana ʻo argon arc welding slag, ʻaʻohe pono e hoʻomaʻemaʻe i ka slag a hoʻoponopono i ka weld bead, a e piʻi wikiwiki ka wikiwiki.Ma ka papa lua o ka arc welding uhi uhi ili, ka laumania a me ka maʻemaʻe argon arc kuʻihao lalo papa mea pono loa i ka arc kuʻihao uhi uhi ili, ka mea hiki ke hōʻoia maikaʻi fusion ma waena o nā papa, o ka oi aku i ka kuʻihao o ka liʻiliʻi anawaena paipu, ka pono oi. mea nui.
(3) Maʻalahi ka haku
Pono e hana ʻia ka welding o ka weld aʻa o ka welding arc manual e nā welders akamai a mākaukau loa.Hoʻohana ʻia ka wili argon arc manual no ke kākoʻo ʻana, a ʻo nā limahana e hana maʻamau i ka hana wiliwili hiki ke haku iā ia ma hope o kahi manawa pōkole o ka hoʻomaʻamaʻa.
(4) Liʻiliʻi deformation
ʻOi aku ka liʻiliʻi o ka wahi i hoʻopili ʻia i ka wela i ka wā wili argon arc, no laila liʻiliʻi ka deformation o ka hui welded a liʻiliʻi hoʻi ke koʻikoʻi koena.
Hoʻolauna kaʻina hana
(1) Laʻana wiliwili
ʻO ka economizer, evaporator tube puʻupuʻu, ka paia wai a me ka haʻahaʻa haʻahaʻa haʻahaʻa i hana ʻia me ke kila No.
(2) Hoʻomākaukau ma mua o ka wili
Ma mua o ke kuʻi ʻana, pono e hoʻoheheʻe ʻia ka waha o ka paipu ma 30°, a pono e poni ʻia ke kala metala i loko o 15mm i loko a i waho o ka hopena paipu.ʻO ka ʻokoʻa ma waena o nā paipu paipu he 1 ~ 3mm.Ke nui loa ka ʻāpana maoli, pono e hoʻopili mua i ka papa hoʻololi ma ka ʻaoʻao o ke awāwa paipu.E hoʻonohonoho i nā keʻena hoʻomalu makani no ka manawa lōʻihi a hoʻopaʻa pono i ka wikiwiki o ka makani ma kahi hana kuʻi, no ka mea, ʻoi aku ka wikiwiki o ka makani ma mua o kahi ākea, a ua maʻalahi nā puka ea.
(3) Hana
E hoʻohana i ka tungsten argon arc welding machine, ʻo ka mīkini hoʻoheheʻe ponoʻī i hoʻolako ʻia me kahi mea hoʻoheheʻe kiʻekiʻe kiʻekiʻe, a hiki ke hoʻohana ʻia ka hoʻoheheʻe kiʻekiʻe kiʻekiʻe.He ʻokoʻa ka hoʻopau ʻana i ke ahi mai ka welding arc electrode.Inā pio koke ke ārc, ua ma'alahi nā māwae arc.No laila, i ka wā o ka hana ʻana, pono e alakaʻi ʻia ka loko i hoʻoheheʻe ʻia i ka ʻaoʻao a i ʻole ka metala kumu mānoanoa, a laila e hoʻohaʻahaʻa mālie i ka wai hoʻoheheʻe e hoʻopau mālie i ke arc, a hope loa e pani i ke arc.kinoea pale.
No nā paipu kila No. 20 me ka mānoanoa o ka pā o 3 ~ 4mm, hiki i ka mea hoʻopiha piha ke TIGJ50 (no ka 12Cr1MoV, hiki ke hoʻohana ʻia 08CrMoV), ʻo ke anawaena o ke koʻokoʻo tungsten he 2mm, ʻo ka wili o kēia manawa he 75 ~ 100A, ka arc ʻO ka uila he 12 ~ 14V, a ʻo ke kahe o ke kinoea pale he 8 ~ 10L / min, ʻo ke ʻano o ka mana mana he DC pili maikaʻi.
ʻO ke kumu e hoʻohana nui ʻia ai ka welding argon arc ma muli o nā pono e hiki mai ana.
1. Hiki i ka pale Argon ke hoʻokaʻawale i nā hopena ʻino o ka oxygen, nitrogen, hydrogen, etc.
2. Pa'a ka puhi ahi o ka welding argon arc, ka wela, ka wela o ke kolamu arc, he ki'eki'e ka hana ku'i, haiki ka wahi i wela, a me ke ko'iko'i, deformation a me ka pohā o ka welded. liʻiliʻi nā ʻāpana;
3. ʻO Argon arc welding he welding arc welding, kahi kūpono no ka hana a me ka nānā ʻana;
4. He liʻiliʻi ka poho electrode, maʻalahi ka mālama ʻana i ka lōʻihi o ke arc, a ʻaʻohe flux a i ʻole ka uhi ʻana i ka wā o ka welding, no laila ua maʻalahi ke ʻike i ka mechanization a me ka automation;
5. Argon arc welding hiki ke weld kokoke i nā metala a pau, oi loa aku kekahi mau metala refractory a maʻalahi oxidized metala, e like me ka magnesium, titanium, molybdenum, zirconium, aluminika, etc.
6. ʻAʻole i kaupalena ʻia e ke kūlana o ka weldment, a hiki ke welded ma nā kūlana āpau.
ʻO nā hemahema nui:
1. Ma muli o ka nui wela o ka welding argon arc, ka mea hana pinepine i ka deformation, kiʻekiʻe paʻakikī, blisters, local annealing, māwae, pinholes, aahu, scratches, undercuts, a i ole lawa ole ka hoʻopaʻa ikaika a me ka pilikia kūloko ma hope o ka hoʻoponopono.nā hemahema e like me ka poino.ʻOi loa i ke kaʻina hana o ka hoʻoponopono ʻana i nā hemahema liʻiliʻi o nā castings hoʻopukapuka, ʻike ʻia ma ka ʻili.Ma ke kahua o ka hoʻoponopono ʻana i nā hemahema o ka hoʻoheheʻe pololei ʻana, hiki ke hoʻohana ʻia nā mīkini wili anu ma kahi o ka welding argon arc.Ma muli o ka liʻiliʻi o ka hoʻokuʻu ʻana i ka wela o nā mīkini wili anu, ʻoi aku ka maikaʻi o nā hemahema o ka argon arc welding, a ua hoʻoponopono ʻia nā pilikia hoʻoponopono o ka hoʻoheheʻe pololei ʻana.
2. ʻOi aku ka pōʻino i ke kino o ke kanaka ma mua o ka welding arc Argon.ʻO ke kiʻekiʻe o kēia manawa o ka welding argon arc he kiʻekiʻe, a ʻoi aku ka ikaika o ke kukui i hoʻopuka ʻia.ʻO ka radiation ultraviolet i hana ʻia e kona arc e pili ana i ka wiliwili electrode arc maʻamau.5 a 30 mau manawa, a ʻo nā kukuna infrared ma kahi o 1 a 1.5 mau manawa o ka wiliwili electrode arc.ʻOi aku ka kiʻekiʻe o ka maʻiʻo ozone i hana ʻia i ka wā wili.No laila, e ho'āʻo e koho i kahi me ka ea ea maikaʻi no ke kūkulu ʻana, i ʻole e hōʻeha nui ia i ke kino.
3. No nā metala me ka helu heheʻe haʻahaʻa a me ka maʻalahi o ka evaporation (e like me ke kēpau, tin, zinc), ʻoi aku ka paʻakikī o ka wili.
Ka manawa hoʻouna: ʻAukake-16-2023