ʻIkepili o ka SAW Flux-cored Wire Hardfacing Technology
Nā ʻano hana a me ke kaʻina hana
2.1 Kumu Hana
Ke hoʻopaʻa ʻia ka uea flux-cored, e ʻā ana ke arc ma waena o ka hopena o ke uea a me ka ʻili o ka substrate. Hoʻokaʻawale ka flux granular e uhi ana i ka ʻāpana arc i ka ea mai ka waihona hoʻoheheʻe a pale i ka metala hoʻoheheʻe mai ka oxidation a me ka nitriding. Hoʻoheheʻe ʻia ka ʻūpā metala o ke uea flux-cored ma lalo o ka wela o ke arc, ʻoiai ʻo ka pauka alloy i loko o ke kumu e hoʻoheheʻe ʻia i loko o ka waihona hoʻoheheʻe, e hoʻoponopono ana i ka haku mele kemika o ka papa surfacing. Ma hope o ka hoʻomaʻalili ʻana, paʻa ka slag i hana ʻia e ka flux ma luna o ka ʻili o ka weld, hiki ke wehe maʻalahi ʻia, e waiho ana i kahi papa surfacing laumania a paʻakikī hoʻi.
2.2 Nā ʻano hana koʻikoʻi
Ka Pono Hoʻokahe KiʻekiʻeHiki i ka SAW ke hoʻohana i ke au nui (maʻamau 300 ~ 800A) no ka hoʻopili mau ʻana, hiki i ka helu hoʻopili ke piʻi i 8 ~ 12 kg / h, ʻo ia hoʻi he 2 ~ 3 mau manawa ʻoi aku ka kiʻekiʻe ma mua o ka hoʻopili lima ʻana i ka arc, kūpono no ka hana nui ʻana o nā papa komo nui.
Hoʻohuihui Alloy hiki ke hoʻokele ʻia: Hiki i ke uea Flux-cored ke hoʻohui i nā mea hana carbide like ʻole e like me chromium, molybdenum, vanadium, tungsten a me niobium i loko o ka pauka pauka, hiki ke hoʻomalu pololei i ka paʻakikī a me ke kū'ē ʻana o ka papa ʻili ma ka hoʻoponopono ʻana i nā ʻike o kēia mau mea, i hoʻohālikelike ʻia me ke uea paʻa, ʻoi aku ka maʻalahi o ka hoʻolālā alloy.
Maikaʻi ke ʻano o ka hoʻokumu ʻanaMa lalo o ka pale ʻana o ke kahe arc i lalo o ka wai, ua like a laumania ka papa o luna, me ka ʻike ʻole ʻia o ka splatter, a ua liʻiliʻi ka hana hana ma hope o ka hoʻopili ʻana. Hiki ke hoʻololi ʻia ka hohonu o ke komo ʻana ma o ka hoʻololi ʻana i nā palena hoʻopili, hiki ke hoʻomalu pono i ka helu dilution o ka substrate i ka papa o luna, e hōʻoiaʻiʻo ana i ka paʻakikī a me ke kūpaʻa o ka papa o luna.
Hana Paʻa ʻakomiHiki ke hoʻokō ʻia ke kaʻina holoʻokoʻa ma o ka hana mīkini a me ka hana ʻakomi, kahi e hōʻemi ai i nā koi no nā mākau o ka poʻe hana a hōʻoia i ke kūlike o ka maikaʻi o kēlā me kēia pā lole.
Ka Hoʻokaʻawale ʻana a me ka Hana ʻana o ka ʻōnaehana Alloy maʻamau
Hoʻokaʻawale nui ʻia nā uea SAW flux-cored no ka hoʻopaʻa ʻana i ka pā lole e like me kā lākou ʻano hui like ʻole, a kūlike nā ʻōnaehana hui like ʻole i nā hiʻohiʻona noi like ʻole a me ke kūpaʻa ʻana i ka lole. ʻO nā hoʻokaʻawale maʻamau penei:
| ʻŌnaehana Alloy | Nā ʻElemene Alloy Nui | Pae Paʻakikī (HRC) | Nā ʻano hana nui | Nā Hoʻohana Maʻamau |
| ʻAno Hao Hoʻolei Chromium Kiʻekiʻe | Cr 15~30%, C 2~5%, ka nui liʻiliʻi o Mo, Ni, Nb | 55~65 | ʻO ke kūpaʻa ʻana i ka ʻaʻahu abrasive maikaʻi loa, kekahi kūpaʻa hopena, kumukūʻai haʻahaʻa, ʻōnaehana metala oʻo | Nā papa hana ʻeli maʻamau, nā liner crusher, nā liner wili sima, nā papa conveyor scraper |
| ʻAno Hui Pū ʻia ʻo Chromium Carbide | Cr 25 ~ 40%, C 3 ~ 6%, i hoʻohui ʻia ʻo V, W, Ti | 60~68 | ʻO ka hapa nui o ka carbide paʻakikī, ke kūpaʻa ʻana o ka ʻaʻahu abrasive loa, ʻoi aku ka paʻakikī o ka paʻakikī | Nā hiʻohiʻona koi kiʻekiʻe o ke komo ʻana e like me nā lako hana one, nā niho wili pōhaku, nā papa niho bākeke ʻeli |
| ʻAno Martensite Alloy Kalapona Haʻahaʻa | Cr 4~10%, Mo 1~3%, Mn 1~2%, C 0.2~0.6% | 35~50 | ʻO ka paʻakikī hopena maikaʻi, ke kūpaʻa maikaʻi o ka haki weld, hiki ke halihali i ka ukana hopena nui, ke kūpaʻa ʻaʻahu kūpono | ʻO ka pahi bulldozer, ka pā lihi o ka bākeke excavator, ka ʻili ʻōpae mining nui e pono ai ke kūpaʻa hopena kiʻekiʻe |
| ʻAno Niobium Vanadium Carbide | Nb 10~20%, V 5~15%, Cr 10~15% | 62~68 | ʻO ka carbide paʻakikī maikaʻi, ke kūpaʻa ʻaʻahu maikaʻi loa a me ka hana wela kiʻekiʻe maikaʻi | Nā hiʻohiʻona ʻaʻahu wela kiʻekiʻe e like me nā papa conveyor wela kiʻekiʻe, nā liners lako sintering |
| ʻAno Hoʻoikaika ʻia ka Keramika Hui Pū ʻIa | Ua hoʻohui ʻia nā ʻāpana keramika e like me WC, TiC i loko o ke kumu pauka | 65~72 | ʻO ke kūpaʻa ʻana i ka ʻaʻahu nui, ke kumukūʻai kiʻekiʻe | Nā hiʻohiʻona ʻaʻahu koʻikoʻi e like me nā pahu ʻokiʻoki lanahu, nā mea paʻa koho mīkini wili alanui |
Nā Hōʻailona Hana Koʻikoʻi o ka Papa Hoʻohana
Hoʻoholo nui ʻia ka hana o ka papa hana paʻakikī e nā ʻōkuhi koʻikoʻi e hiki mai ana:
4.1 Paʻakikī o ka Papa ʻIli
ʻO ka paʻakikī ke ana kumu loa e ana i ke kūpaʻa ʻana o ka ʻaʻahu. Ma keʻano laulā, ʻo ke kiʻekiʻe o ka paʻakikī, ʻoi aku ka maikaʻi o ke kūpaʻa ʻana o ka abrasive. ʻO ka paʻakikī o nā papa lole paʻakikī ma ka mākeke ua kau nui ʻia ma 50 ~ 65 HRC, a hiki i nā huahana kūikawā ke piʻi aʻe ma mua o 70 HRC. Pono e hoʻomaopopo ʻia e pono e hoʻokō ʻia ka hoʻāʻo paʻakikī ma hope o ka hoʻopaʻa ʻia ʻana o ka papa o luna, ma hope o ka wehe ʻana i ka ʻili 1 ~ 2mm slag a me ka papa dilution e hōʻoia i ka ʻoiaʻiʻo o ka hopena hoʻāʻo.
4.2 Ka helu hoʻoheheʻe
ʻO ka helu dilution e pili ana i ka hapa o nā ʻāpana substrate i hoʻoheheʻe ʻia i hui pū ʻia i loko o ka papa surfacing. ʻO ka helu dilution kiʻekiʻe loa e hōʻemi i ka nui o nā mea alloy i loko o ka papa surfacing, e hopena ana i ka emi ʻana o ka paʻakikī a me ke kūpaʻa ʻana o ka ʻaʻahu. No ka SAW hardfacing me ka uea flux-cored, hiki i ka mana hana kūpono ke kāohi i ka helu dilution i loko o 10 ~ 20%, a hiki i ka multi-layer surfacing ke hōʻemi hou i ka hopena o ka dilution.
4.3 Ke Kū'ē ʻana i ka Māwae
ʻO ka hapa nui o nā papa paʻakikī kiʻekiʻe-ʻaʻahu he mau mea kalapona kiʻekiʻe a me nā mea hui kiʻekiʻe, kahi e maʻalahi ai ke hana i nā māwae wili i ka wā e hoʻoluʻu ai. ʻO ka hoʻolālā kūpono o ke ʻano o ka uea flux-cored a me ka hoʻomehana mua ʻana ma mua o ka wili ʻana (maʻamau ka hoʻomehana mua ʻana i 150 ~ 300 ℃ e like me nā ʻōnaehana hui like ʻole) hiki ke hōʻemi pono i ke ʻano o ka haki ʻana. No nā noi e pono ʻole ai nā māwae ma ka ʻili o ka papa komo, hiki ke koho ʻia nā ʻōnaehana hui kalapona haʻahaʻa a i ʻole nā mea hana kūikawā e kūʻē i ka haki.
4.4ke kila kalapona, a hiki i ka papa hana hoʻohuihui i hoʻoikaika ʻia ke hiki aku ma mua o 20 timKe kū'ē ʻana i ka ʻaʻahu
ʻO ka hōʻailona pololei loa e loiloi i ka hana o ka papa ʻaʻahu, ʻo ia ke kūpaʻa ʻaʻahu pili, ʻo ia hoʻi, ka lakio pohō nui o ka papa ʻaʻahu i hoʻāʻo ʻia a me ka laʻana maʻamau ma lalo o nā kūlana hoʻāʻo ʻaʻahu like. ʻO ke kūpaʻa ʻaʻahu o ka papa hao paʻakikī chromium kiʻekiʻe he 5 ~ 10 mau manawa ma mua o nā haʻahaʻa haʻahaʻa maʻamau.
Alakaʻi Koho no nā ʻano noi like ʻole
I ke koho ʻana i ka uea SAW flux-cored no ka hoʻopaʻa ʻana i ka pā lole, pono e hoʻohālikelike ʻia e like me ke ʻano hemahema nui o ka ʻāpana lole:
ʻAʻahu ʻino me ka hopena haʻahaʻaE like me ka chute maka mea sima, ka papa kānana ore, ka mea hoʻoili one. Manaʻo ʻia e koho i ke uea flux-cored ʻano chromium kiʻekiʻe me 58 ~ 62 HRC, nona ka hana kumukūʻai kiʻekiʻe a hiki ke hoʻokō i nā koi ola lawelawe.
Ka hopena ikaika a me ka ʻaʻahu abrasiveE like me ka pahi bulldozer, ka bākeke mīkini ʻenekinia, ke poʻo hāmare mine. Pono ka papa pale ʻaʻahu e loaʻa i kahi paʻakikī a loaʻa ke kūpaʻa ʻaʻahu, a ua ʻōlelo ʻia e koho i ka uea martensitic alloy flux-cored me 40 ~ 50 HRC e pale aku i ka ʻili ʻana a me ka nahā ʻana o ka papa ʻili ma lalo o ka hopena.
Nā kūlana ʻaʻahu kiʻekiʻe loaE like me nā ʻāpana hana mīkini ʻeli lanahu, nā papa hana wili alanui, nā liners wili hao. Manaʻo ʻia e koho i ka chromium carbide composite a i ʻole ka uea flux-cored i hoʻoikaika ʻia me ka seramika me 62 ~ 68 HRC, hiki ke hoʻolōʻihi i ke ola lawelawe o nā ʻāpana, ʻoiai ke kiʻekiʻe ke kumukūʻai.
ʻAʻahu wela kiʻekiʻeE like me nā pallets mīkini sintering, nā papa conveyor umu coke, nā papa hana slag metallurgical. Manaʻo ʻia e koho i ka uea flux-cored alloyed niobium-vanadium, ka mea e mālama ai i ka paʻakikī kiʻekiʻe a me ke kūpaʻa oxidation i nā mahana hana a hiki i ka 600 ℃.
Nā Manaʻo no ka Nānā ʻana i ke Kaʻina Hana Kuʻihao
No ka loaʻa ʻana o nā papa hana paʻakikī kiʻekiʻe, pono e kāohi i nā kumu koʻikoʻi o ke kaʻina hana kuʻihao:
Nā Hoʻomākaukau ma mua o ka KuʻihaoPono e hoʻomaʻemaʻe ʻia ka ʻili o ka substrate mai ka ʻaila, ka ʻōpala a me ka unahi oxide e pale aku i ka porosity a me nā kīnā inclusion. No nā substrates mānoanoa a me nā uea alloy kiʻekiʻe, ʻo ka hoʻomehana mua ʻana i 150 ~ 300 ℃ ma mua e hiki ke hōʻemi i ke kaumaha o ka wili a pale aku i ka haki ʻana.
Koho PalenaNo ka uea maʻamau me ke anawaena o 1.2mm ~ 2.4mm, ʻo ke au wiliwili he 250 ~ 600A, ʻo ke anawaena wiliwili he 28 ~ 38V, a ʻo ka wikiwiki o ka wiliwili he 300 ~ 600mm / min. ʻO ka nui o ke anawaena o ke uea, ʻoi aku ke kiʻekiʻe o ke au e pili ana. ʻO ka hoʻemi kūpono ʻana i ke au wiliwili a me ka hoʻonui ʻana i ka wikiwiki o ka wiliwili hiki ke hoʻemi i ka helu dilution o ka substrate.
Hoʻolālā Papa ʻIliʻO ka mānoanoa o ka papa pale ʻaʻahu, ua hoʻolālā ʻia maʻamau he 3~12mm. No ka ʻili ʻana o nā papa he nui, pono e hoʻomalu ʻia ka mahana o ka interlayer ʻaʻole e ʻoi aku ma mua o 300℃ i mea e pale aku ai i ka ulu ʻana o ka palaoa nui loa e hoʻopilikia ai i ka hana. No nā papa ʻaʻahu e pono ai ke kulou a me ka hana ma hope, pono e hana ʻia ka ʻili ʻana ma luna o ka substrate ma hope o ke kulou mua ʻana i mea e pale aku ai i ka haki ʻana i hana ʻia e ke kulou hope.
Ka Lapaʻau Ma hope o ka Hoʻopili ʻanaMa hope o ka hoʻoheheʻe ʻana, pono e hoʻomaʻalili mālie ʻia, ʻoiai no nā uea me nā koʻa kiʻekiʻe, i ʻole e nahā i hana ʻia e ka hoʻomaʻalili wikiwiki ʻana. No nā ʻāpana e pono ai ka hoʻomaha ʻana i ke kaumaha, hiki ke hana ʻia ka hoʻomaha ʻana i ke kaumaha ma 200 ~ 300 ℃ ma hope o ka hoʻoheheʻe ʻana e hoʻopau i ke koena o ke kaumaha hoʻoheheʻe.
Ke ʻano hoʻomohala o ka ʻoihana
I nā makahiki i hala iho nei, ʻo SAW flux-cored wire no ka wear plate hardfacing ka mea e like me nā kuhikuhi hoʻomohala:
Ka mua,hoʻolālā metala hana kiʻekiʻe, ʻoi aku ka nui o nā noi e koi ana i ke kūpaʻa ʻana o ka ʻaʻahu a me ke ola lawelawe lōʻihi, no laila ke wikiwiki nei ka hoʻomohala ʻana o nā uea i hoʻoikaika ʻia e like me WC a me TiC, a ke piʻi nei ka hapa o nā uea metala kiʻekiʻe ma ka mākeke i kēlā me kēia makahiki.
Ka lua,hoʻomaikaʻi ʻole ʻia ka haki a me ka paʻakikī kiʻekiʻe, nui nā noi ʻenekinia e koi ana i ka ʻili o ka papa komo ʻaʻole e ʻae i nā māwae, kahi e paipai ai i ka hoʻomohala ʻana o nā ʻano hana haʻahaʻa-kalapona, kahi e kaulike ai i ka paʻakikī a me ka paʻakikī ma ka hoʻonui ʻana i ka hapa alloy a me ka kaohi microstructure.
Ke kolu,hana hana aloha i ke kaiapuni, ʻo ka hanauna hou o ke uea flux-cored e hōʻemi ana i ka nui o nā mea ʻino e like me ka cobalt a me nā mea radioactive, a ke ulu pū nei ka flux arc submerged i kūlike i nā kuhikuhi haʻahaʻa-haumia a me nā kuhikuhi hana hou, kahi e hoʻokō ai i nā koi o ka hana ʻōmaʻomaʻo.
Ka ʻehā,hoʻomohala pilikino, no nā kūlana ʻaʻahu like ʻole o nā ʻoihana like ʻole, ua hoʻolauna nā mea hana i nā huahana i hoʻolaʻa ʻia i ʻāpana ʻia, hiki ke hoʻokō i ka hana kūlike pololei, e pale ana i ka hoʻonele ʻana o ka hana a i ʻole ke ola lawa ʻole i hoʻokumu ʻia e ka hoʻohana ʻana i nā huahana maʻamau.
Hoʻolauna ʻoihana
ʻO Tangshan Runxing Machinery Co., Ltd., kahi mea hana ʻoihana ma Tangshan, Hebei Province e kālele ana i ka R&D, hana ʻana a me ka lawelawe kūkulu ʻana ma ka pūnaewele o nā huahana metala paʻa-paʻa, ua hoʻokumu ʻia i ka makahiki 2010.
ʻO kā mākou huahana nui e pili ana i nā papa komo chromium carbide overlay (CCO), nā liner komo i hana ʻia maʻamau, nā paipu a me nā mea hoʻopili paipu e kūʻē i ke komo ʻana, nā uea wili hao flux-cored hardfacing, nā mīkini wili hao paʻakikī aunoa, a me ka lawelawe hoʻoponopono ʻoihana roller surfacing. Ke hahai nei mākou i ka manaʻo ʻoihana o "Integrity, Superior Quality, Innovation & Sustainable Development" a loaʻa iā mākou ka ʻenehana hardfacing ʻili metala holomua.
Hāʻawi mākou i nā hoʻonā pale ʻaʻahu i hana kūikawā ʻia no ka sima, ke kila, ka mining, ke awa a me nā ʻoihana dredging a puni ka honua, a ua loaʻa iā mākou kahi inoa maikaʻi ma ka mākeke ma Rusia a me Asia Waena.
Ua ʻae piha ʻia nā ʻoihana hoʻokuʻu aku āpau a mālama ʻia e Hebei Yuwan International Trade Co., Ltd. Hoʻopau kēia ʻoihana kālepa i nā hana hoʻokuʻu aku āpau me ka hoʻomaʻemaʻe dute, ka hoʻouna ʻana, nā palapala a me ka hōʻiliʻili uku. Ke nānā nei kā mākou hale hana i ka hoʻomohala huahana a me ka hana ʻana e hōʻoia i ka maikaʻi o ka huahana a me ka lawe ʻana i ka manawa kūpono.
Ke manaʻolana nei ʻo Runxing Machinery e hoʻokumu i ka laulima lōʻihi a hoʻokō i ka pōmaikaʻi like me ʻoe!
Hōʻikeʻike
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E ʻoluʻolu e hāʻawi mai i ka māka, ka laulā, ka mānoanoa, ke koi no ka mālama ʻana i ka ʻili a me nā nui āu e pono ai e kūʻai.
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