Ua hoʻohana ʻia ka alumini ma nā ʻano like ʻole ma muli o kona kaumaha māmā, ke kūpaʻa ʻana i ka corrosion, ka conductivity uila maikaʻi a me nā ʻano ʻē aʻe, me ka piʻi ʻana o ka ikehu hou, ua hoʻoikaika ʻia ka hoʻohana ʻana o ka alumini, a me ka pilina o ka alumini me ka riveting, hoʻopaʻa ʻia. wiliwili, no ka hoʻopili ʻana i ka pā aluminikuʻi kūʻēHe kaʻina hana koʻikoʻi, nā hiʻohiʻona noi i hoʻohui ʻia i nā noi ʻoihana maʻamau, Hoʻohana nui ia i nā kaʻa ikehu hou, aerospace a me nā māla ʻē aʻe.
Nā loina oAluminumWelding
ʻO nā pōmaikaʻi o ka pale ʻana i ka pā aluminiwiliwili wahiʻike ʻia, me ka hoʻohui ʻole ʻana i nā mea kōkua, ʻo ka hoʻoheheʻe ʻana wale nō e hiki ke hana i kahi hui solder ikaika.Aluminumi loko o ka lewa pinepine i ka papa o ka oxide film, alumini helu hehee ai he 660 degere Celsius, a me ka oxide kiʻi he alumini oxide, kona hehee ana ma kahi o 2000 degere, a hehee i ke kumu mea e hana i ke kumu mua e wawahi i ka oxide papa. , ʻo ia hoʻi ke kaʻina hana kuʻihao wahi alumini i manaʻo ʻia he kumu paʻakikī loa.
wiliwiliEmea lakoSkoho
ʻO ke koho o ka pā aluminimīkini wiliwili wahi, Intermediate frequency inverter DC mana lako no ka mea o kona puka i keia manawa he DC, me ka kiekie thermal pono, no laila, o ka mua koho no ka alumini papa wahi kuʻihao. ʻO ka hāʻawi ʻana i ka mana hoʻoponopono ʻekolu-phase kuʻuna he hapalua hawewe rectifier, capacitive ikehu mālama mana lako ʻoiai ʻo ka hoʻopuka ʻana he DC akā pōkole loa ka manawa, no laila ʻaʻole maikaʻi kāna hana piha e like me ka intermediate frequency inverter DC spot welder, kēia. Loaʻa nā lako mana i nā noi i ka wā mua, e liʻiliʻi a liʻiliʻi ka hiʻohiʻona noi e hiki mai ana.
LaeTo NoteWhenAluminumSipuhaoWelding
He kiʻekiʻe ke kaʻina hana kuʻi ʻana o ka pā alumini, ka conductivity plate alumini a me ka ratio conductivity thermal, no laila ka mea e pono ai ka manawa wili kūpono a me ka manawa kūpono, e pono ai ka nānā ʻana i kēia mau mea:
1. Pono ka mana o nā mea hana e hōʻoia i ka hiki ke kiʻekiʻe o ka hoʻopuka o kēia manawa i ka manawa pōkole, ma ke ʻano he 2-3 mau manawa o ka wiliwili wahi hao kalapona;
2. Pono ka electrode i ka hoʻoluʻu wai ikaika, a hiki ke lawe koke ʻia ka wela ma hope o ke kuʻi ʻana;
3. Pono e like ke anawaena spherical o ka hope mua o ka electrode, a he mau spheres like ole ka manoanoa o ka papa, a aole e emi ke kumu ma mua o SR25;
4. Pono ke anawaena electrode i ka mānoanoa o ka pā, a ʻo ke anawaena electrode ma lalo o 1.0MM o ka pā he ¢13; ʻO ka mānoanoa o ka pepa 1.0-1.5 Electrode anawaena he ¢16; ʻO ka mānoanoa o ka pepa 1.5-2.0 Electrode anawaena he ¢20; ʻAʻole emi ka mānoanoa o ka pā ma luna o 2.0 electrode ma mua o ¢25;
5. Hana ʻia ka mea electrodehuila keleaweme ka conductivity kiʻekiʻe a i ʻole ke keleawe paʻakikī, a ʻaʻole i emi ka conductivity ma mua o 80%IACS;
6. No ka hoʻokō ʻana i nā hui solder kiʻekiʻe, pono e deoxidized ka ʻili o ka pā alumini, pickling a polishing paha, a ʻo ka pale ʻana o ka ʻili o ka hui A-level o nā huahana mokulele / kaua e hoʻomalu ʻia ma 50 microohm-100 microohm;
wiliwiliQponoIka nānā ʻana
Aluminum paʻa wahi kuʻihao ma hope o ka ho'āʻo nui non-destructive ho'āʻo a me ka poinoʻikeʻikeʻelua waeʻano, non-destructive nui ma o visual, X-ray a me kani ultrasonic detection, poinoʻike nui kikoo, manawa haʻahaʻa a me ka 'ē aʻe 'ike, e like me keia. :
1. Nānā hiʻohiʻona, me ke ʻano o ka hui solder, kala hui solder, hohonu indentation, etc.;
2. ʻIke X-ray, ʻike kiʻiʻoniʻoni o ke anawaena o ka weld core, inā paha ka weld core māwae, shrinkage a me nā hemahema ʻē aʻe;
3. Haʻahaʻa-mana ike, 15-25 manawa ma hope o slice corrosion o solder ami, e ike kuʻihao permeability, kuʻihao defects, etc.;
4. Tensile ho'āʻo, ka nui hoao solder hui ikaika;
5. Ho'āʻo wehe ʻana, wehe a uhae paha i nā hui solder, hoʻohana nui ʻia no ka ʻike ikaika ma ka pūnaewele a me ka hōʻoia ʻana i ke anawaena kumu.
6. Kani ultrasonic ike, me ka upgrade o ke kani ultrasonic ike loea, ka noi o ka wahi kuʻihao 'ike e hoomau i ka ikaika, ma o ka hoohalike ana o ikeia waveform, a me ka makua o kikohoʻeʻenehana kikohoʻe, polycrystalline poʻo kani ultrasonic ike e lilo i maikai koho no. ho'āʻo hoʻopōʻino ʻole o ka wiliwili wahi alumini.
Hōʻuluʻulu manaʻo
Me ka palapala oo oMīkini wiliwili MFDC, a me ka hoʻomaikaʻi ʻana i ke kaʻina hana welding a me ke ʻano o ka ʻike ʻana, e emi a haʻahaʻa ka paepae o ka alumini plate spot welding, a ʻo ia hoʻi ka mea e hoʻolaha i ka alumini plate spot welding i nā ʻoihana māmā, a me ka ikehu hou, aerospace a me nā mea ākea. hoʻohana ʻia.
Ka manawa hoʻouna: ʻAukake-07-2024
