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Eia ʻoe: Home » Nūhou » Hale Kūkākūkā » He Paʻakikī ʻo Copper Weld, hiki anei i nā mīkini wiliwili maʻamau ke lawelawe? Pono ʻoe i kekahi ʻenehana kūikawā?

Paʻakikī ka wili keleawe, hiki i nā mīkini wili maʻamau ke mālama iā ia? Pono ʻoe i kekahi ʻenehana kūikawā?

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ʻO Copper, me kona maikaʻi uila a me ka thermal conductivity a me ka corrosion resistance, ua hoʻohana nui ʻia i ka uila, mana, refrigeration a me nā māla ʻē aʻe. Eia nō naʻe, i ka hana maoli, ʻo ka wili keleawe e hōʻeha pinepine i nā poʻo o nā mea hoʻohana - - pili nā wahi weld i nā pili virtual, porosity, a me ka hiki ʻole ke wili. Ke hāpai nei kēia i nā nīnau: No ke aha i paʻakikī loa ai ka wili keleawe? Hiki i nā mīkini wiliwili maʻamau ke lawelawe? A pono ʻenehana kūikawā?


 I. Ka Paʻakikī o ka Welding Copper: 'Nā Hoʻopilikia Innate' mai nā waiwai waiwai


ʻO ka paʻakikī kiʻekiʻe o ka wili keleawe ma muli o kāna mau waiwai kino kūʻokoʻa, e lawe mai ana i ʻekolu mau 'luʻi kūlohelohe' i ke kaʻina hana kuʻi.


ʻO ka mea mua, ʻo ia ka hoʻoili wela kiʻekiʻe e 'lawe i ka wela'. ʻO ke kolu o ke keleawe ma kahi o ʻelima mau manawa ma mua o ke kila kalapona haʻahaʻa. I ka wā o ka hoʻoheheʻe ʻana, lawe koke ʻia ka wela hoʻokomo a hoʻopuehu ʻia e ka mea keleawe, e paʻakikī ai i ka wela o ka loko i hoʻoheheʻe ʻia e noho ma luna o ka paepae hoʻoheheʻe. E alakaʻi maʻalahi kēia i nā pilikia e like me ka 'weld not through' a me ka 'lack of fusion', ʻoi aku ka nui o nā mea keleawe i ʻoi aku ka mānoanoa ma mua o 3mm, kahi i ʻike ʻia ai ka wela.


ʻO ka lua, ʻo ia ka maʻalahi o ka oxidation e 'hoʻopau i ka wai hoʻoheheʻe ʻia'. Hoʻopili koke ke keleawe me ka oxygen ma nā wela kiʻekiʻe (ma luna o 300 ℃) e hana i kahi papa paʻa o ke kiʻi ʻoniʻoni keleawe keleawe. He wahi heheʻe ko kēia kiʻiʻoniʻoni e like me 1326 ℃ kiʻekiʻe, ma mua aʻe o ka helu heheʻe keleawe ponoʻī o 1083 ℃. Inā ʻaʻole i wehe ʻia i ka manawa, e waiho ʻia i loko o ka loko i hoʻoheheʻe ʻia, e hoʻoulu ai i ka porosity a me ka hoʻokomo ʻana i ka slag, kahi e hōʻemi pono ai i ka ikaika weld point.


ʻO ke kolu, ʻo ka wai ikaika e 'paʻakikī ke hana ʻana'. ʻOi aku ka nui o ka wai keleawe ma mua o ka wai kila. Inā ʻaʻole i hoʻomalu pono ʻia i ka wā wili, hiki i ka wai keleawe ke nalo, ka hopena i ka hoʻokumu ʻana i nā kiko weld maikaʻi ʻole a hiki i ka 'puhi - ma' o nā ʻāpana keleawe lahilahi - paia.


II. Nā Mīkini wiliwili maʻamau 'Fall Short': ʻAʻole hiki ke hoʻokō i nā pono wili o ke keleawe


Ke alo nei i nā pilikia wili keleawe, ʻo nā mīkini wiliwili maʻamau (e like me nā mea welder arc maʻamau a me nā mea welder wahi maʻamau) pinepine ' hāʻule pōkole ' a hiki ʻole ke hoʻokō i nā koi o ka maikaʻi. Hoʻopili ʻia nā pilikia nui ma nā ʻano ʻelua:


Ma kekahi ʻaoʻao, ʻo ka hoʻopuka ʻana i ka ikehu he 'ʻaʻole pololei'. Loaʻa i nā mea welders arc maʻamau ka laulā o kēia manawa a me ka hoʻoponopono uila, a ua hoʻopuehu ʻia ka ikehu. ʻAʻole hiki iā lākou ke hāʻawi i ka wela koʻikoʻi a paʻa no ka conductivity thermal kiʻekiʻe o ke keleawe. ʻAʻole lawa ka wela, e alakaʻi ana i ka hoʻoheheʻe ʻole ʻana, a i ʻole ka wela, e ʻā ana i nā ʻāpana lahilahi. ʻO nā mea welder wahi maʻamau, ma ka ʻaoʻao ʻē aʻe, e ʻeha ʻia i ka hana uila kiʻekiʻe o ke keleawe, kahi e hoʻopuehu maʻalahi ai ke au a paʻakikī i ka hana ʻana i kahi kumu hoʻoheheʻe nui. ʻOi aku ka ikaika o ka weld point ma lalo o ka pae i koi ʻia.


Ma ka ʻaoʻao ʻē aʻe, aia ka nele o ka 'palekana oxidation'. ʻO ka hapa nui o nā mīkini wiliwili maʻamau ʻaʻohe ʻōnaehana pale kinoea i hoʻolaʻa ʻia. I ka wā wili, pili pololei ke keleawe me ka ea, a hoʻomau ka hana ʻana o ke kiʻi oxide. ʻOiai inā hoʻopau ʻia ka weld, e lilo ka weld point i palupalu ma muli o nā hemahema o ka oxidation a ʻaʻole hiki ke kū i ka haʻalulu a me ke kaomi i ka wā lōʻihi.


III. Pono ʻo Copper Weld i 'ʻenehana kūikawā': piha - ka hoʻoponopono ʻana i ke kaʻina hana mai ka hoʻomehana ʻana i ka pale


No ka lanakila ʻana i nā pilikia o ka wili keleawe, pono e hoʻohana ʻia ka ʻenehana kūikawā e hana i kahi hoʻolālā hoʻolālā piha mai ka wā ma mua, i ka wā a ma hope o ka wili ʻana:


Ma mua o ka wiliwili ʻana , pono ka 'pre - treatment'. ʻO ka mea mua, pono e hoʻoneʻe ʻia ka ʻili o ka mea keleawe a me ka waika - holoi ʻia e wehe pono i ke kiʻi ʻoniʻoni a me ka ʻaila contamination e pale ai i nā haumia mai ke komo ʻana i ka loko i hoʻoheheʻe ʻia. ʻO ka lua, pono e hoʻokō ʻia ka preheating e like me ka mānoanoa o ka mea keleawe. ʻO nā mea keleawe me ka mānoanoa o 3 - 10mm pono e hoʻomaʻamaʻa mua ʻia i 200 - 350 ℃, a ʻo nā mea me ka mānoanoa o ka 10mm pono e hoʻomehana ʻia i 350 - 500 ℃. ʻO ka hoʻomaʻamaʻa mua e hoʻolohi i ka nalowale o ka wela a hana i nā kūlana no ka paʻa o ka wai hoʻoheheʻe.


I ka wā wili , koi ʻia ka 'ka mana ikehu kūpono + ka pale ʻana i ka oxidation'. E koho i nā hana wiliwili me ka ikehu koʻikoʻi, e like me ka wiliwili MIG pulsed a me ka wiliwili laser. Hiki iā Pulsed MIG welding ke hoʻokuʻu i ka ikehu kiʻekiʻe i ka manawa koke ma o ka manawa pulsed kiʻekiʻe, e lanakila ana i ka poho wela o ke keleawe. Ua hui pū ʻia me ka pale argon e hoʻokaʻawale i ka ea. Hoʻopili ka hoʻoheheʻe laser i ka ikehu me ka nui o ka nui ma ka pae 0.01mm, e hoʻoheheʻe koke i ke keleawe a mālama i ka wahi wela i 0.1 - 0.3mm e pale i ka deformation. Eia kekahi, pono e koho ʻia nā mea hoʻoheheʻe kūikawā, e like me ka phosphor - keleawe welding wire a me ka silicon - bronze welding wire. Hiki i kēia mau mea ke hana i nā mea hoʻohui maikaʻi me ke keleawe a kāohi i ka hoʻokumu ʻana o nā kiʻiʻoniʻoni oxide.


Ma hope o ka wiliwili ʻana , pono ka 'hoʻoluʻu lohi'. E uhi i ka lae weld me ka pulupulu insulating ma hope o ka wiliwili ʻana e maʻalili mālie, e hōʻemi ana i ke kaumaha o loko ma muli o nā ʻokoʻa wela nui a pale aku i nā māwae.


He kiʻekiʻe loa nā koi no ka hana ʻana o nā mea hana a me nā kikoʻī kaʻina hana, a paʻakikī nā mīkini wiliwili maʻamau a me nā kaʻina hana maʻamau e hoʻokō i nā pono. Inā loaʻa iā ʻoe nā pono wili keleawe, ua hoʻomaikaʻi ka mīkini wili a PDKJ i ka ʻōnaehana mana ikehu no nā hiʻohiʻona keleawe, i lako me ka oxidation kūikawā - pale pale modules a me nā hoʻolālā hana, a hiki ke hoʻoponopono pololei i nā pilikia o ka wili keleawe ʻaʻole ma o a maʻalahi hoʻi i ka oxidation.


Inā loaʻa iā ʻoe nā koi mīkini wili, e ʻoluʻolu e kelepona iā Ms. Zhao

E-Mail: pdkj@gd-pw.com

Kelepona: +86- 13631765713


E pili ana i kā mākou Hui

Hoʻokumu ʻia i ka makahiki 2006, ʻo PDKJ kahi mea hoʻolako ʻoihana o nā hoʻonā automation welding. Ua hala ka hui i ka ISO9001 international quality management system certification, ua ʻoi aku ma mua o 90 i ʻae ʻia a hoʻohana i nā patent aupuni, a he nui nā ʻenehana koʻikoʻi i ke kahua kuʻi ʻana e hoʻopiha i ka ʻenehana loea ma ka home a ma waho. He ʻoihana ʻenehana kiʻekiʻe ʻāina.

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