Nā loina kumu no ke koho ʻana i nā mea hoʻohana welding

E noʻonoʻo i nā waiwai kino, nā waiwai mechanical a me ka hoʻohui kemika o ka mea weld

1. Structural steel welding, maʻamau e noʻonoʻo i ke kumu o ka ikaika like, koho e hoʻokō i nā koi o nā waiwai mechanical o ka mea hoʻohui hui.

2. No ke kila kalapona haʻahaʻa a me ke kila hoʻoheheʻe haʻahaʻa ma waena o ka hui kuʻi ʻana o ke kila like ʻole, e koho maʻamau i nā mea hoʻohana kuʻi ʻana like me ka haʻahaʻa ikaika o ke kila.

3. No ka wela-pale kila a me kuhiliʻole kila kuʻihao, ma waho aʻeo ka noonoo ana i ka ikaika, akā, no hoi noonoo i ka mea nui kemika hui o ka weld metala a me ka kemikala hui o ka makua mea kokoke.

4. Ke ki'eki'e ka haku mele 'ana o ka makua, e like me carbon a sulfur, phosphorus a me nā mea 'ino 'ē a'e, pono e koho i nā mea ho'ohana ku'i māwae ikaika.E like me ka haʻahaʻa hydrogen ʻano kuʻihao consumables.

E noʻonoʻo i nā kūlana hana o ka welding a me ka hoʻohana ʻana i ka hana

1. Welded 'āpana i loko o ka hihia o ka dynamic ukana a me ka hopena, me ka hoʻohui i nā koi e hōʻoiaʻiʻo i ka tensile ikaika, ka hua ikaika, ka paʻakikī paʻakikī, ka plasticity nā koi kiʻekiʻe.I kēia manawa pono e koho ʻia me nā mea hoʻoheheʻe haʻahaʻa-hydrogen.

2. Welded 'āpana i loko o ka corrosive media, pono e okoa mai ka media type, noonoo, hana wela a me ke 'ano o ka corrosion (general corrosion, intergranular corrosion, stress corrosion, etc.), no laila, e koho i ka pono kuhiliʻole kila consumables.

3. Ke hana ka weld ma lalo o ke kapa komo, pono e hoʻokaʻawale i waena o ka ʻaʻahu maʻamau a i ʻole ka hopena hopena, ka lole intermetallic a i ʻole ka lole abrasive, e ʻaʻahu i ka lumi wela a i ʻole ke komo ʻana i ka wela kiʻekiʻe, a me nā mea ʻē aʻe. , no ke koho ʻana i nā mea hoʻohana hoʻoheheʻe overlay kūpono.

4. Ma ka haʻahaʻa wela a kiʻekiʻe wela welding mau māhele, pono e koho e hōʻoia i ka haʻahaʻa wela a kiʻekiʻe wela mechanical waiwai o ka welding mea.

E noʻonoʻo i ka paʻakikī a me nā hiʻohiʻona o nā ʻāpana welded, welded joint type, etc.

1. Paʻakikī kino a i ʻole ka mānoanoa nui o nā ʻāpana i hoʻopaʻa ʻia, ma muli o kona hoʻoheheʻe ʻana i ka metala i ka hoʻohaʻahaʻa ʻana o ke koʻikoʻi kūloko i hana ʻia e ka nui, maʻalahi e hana i nā māwae.No laila, pono e hoʻohana i ka hoʻohana ʻana i nā mea hoʻohana me ke kūpaʻa māwae maikaʻi, e like me ke koʻokoʻo wiliwili ʻano haʻahaʻa-hydrogen, kiʻekiʻe toughness kuʻihao koʻokoʻo.

2. No kekahi mau hui me nā bevel liʻiliʻi, a i ʻole nā ​​hono me ka mana ikaika o ke komo ʻana o ke aʻa, pono e hoʻohana ʻia nā mea hoʻohana wili me ka hohonu o ka hui ʻana a i ʻole ke komo ʻana.

3. Ma muli o ka paʻakikī o kekahi mau ʻāpana wiliwili paʻakikī e hoʻomaʻemaʻe, pono e noʻonoʻo i ka hoʻohana ʻana i ka rust, oxidation a me ka hopena aila ʻaʻole maʻalahi i ka mea hoʻoheheʻe, e like me ke koʻokoʻo welding acid, i ʻole e hana i nā hemahema e like me ka porosity.

E noʻonoʻo i ke kūlana spatial o ka weld

ʻO kekahi mau mea hoʻoheheʻe welding he kūpono wale nō ia no ka hoʻopili ʻana i kekahi kūlana, ʻoi aku ka maikaʻi o nā kūlana ʻē aʻe i ka wā e hoʻopili ai, hiki i kekahi mau mea hoʻohana welding ke hoʻopaʻa i nā kūlana like ʻole, pono e noʻonoʻo ʻia nā ʻano o ke kūlana welding i ke koho ʻana.

E noʻonoʻo i nā kūlana hana wili, ka ʻōnaehana hana

1. ʻAʻohe manawa mīkini hoʻoheheʻe DC, pono e hoʻohana i ka AC a me DC mea hoʻohana pālua.

2. Pono kekahi kila (e like me ka pearlite heat-resistant steel) ma hope o ka weld stress hoʻomaha wela ka mālama ʻana, akā, ma nā kūlana lako a i ʻole kona mau koi ponoʻī a ʻaʻole hiki ke hoʻokō ʻia, pono e koho ʻia me ke kumu metala kemika. hiki ke hoʻokuʻu ʻia nā mea hoʻohana wiliwili like ʻole (e like me austenitic stainless steel consumables), mai ka mālama ʻana i ka wela post-weld.

3. Pono e hoʻokumu ʻia ma nā kūlana kahua kūkulu, e like me ka hana ʻana o ke kahua, ka ʻāina hana welding, a me nā mea ʻē aʻe i ke koho kūpono o nā mea hoʻohana wili.

4. Ma nā wahi e hiki ai ke hoʻohana ʻia nā electrodes wiliwili waikawa a me ka alkaline, pono e hoʻohana ʻia nā electrodes welding acid e like me ka mea hiki loa i ka nānā ʻana i nā koi kiʻekiʻe o nā electrodes welding alkaline no nā ʻenehana hana a me ka hoʻomākaukau ʻana i ke kūkulu ʻana.

E noʻonoʻo i ka waiwai o ka wili

1. E ho'āʻo e hoʻohana i ke kumu kūʻai wiliwili consumables, ina ua hoʻokō 'ia ka hana o ka hoʻohana.

2. Hiki ke hoʻohanaʻia nā mea hoʻohana likeʻole no nā mea hoʻoheheʻe mua a me ke kula kiʻekiʻe me nā koi hana likeʻole, aʻaʻole e alualu i ka hana piha o nā mea hoʻohana i ka unilaterally.

E noʻonoʻo i ka pono wili

No nā hale me kahi haʻahaʻa hana kuʻihao nui, pono e hoʻohana ʻia nā mea hoʻohana kiʻekiʻe e hiki ai ke loaʻa, e like me ke uwea kuʻihao, ke koʻokoʻo kuʻihao hao, ke koʻokoʻo kuʻikuʻi kila maikaʻi, etc.

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