He aha nā koi ʻenehana o ka hakahaka metala | WEIHUA

Me ka hoʻomaikaʻi o ka maikaʻi o ke ola i kēia manawa, ua hohonu ka hahi ʻana o nā ʻāpana i nā āpau āpau, pili pili loa ia i ko mākou ola. He aha nā koi ʻenehana o ka hakahaka metala? ʻO ka mea aʻe mea lako hahi E hoʻopili ka ʻoihana i nā kumu nui o ka hahi ʻana i nā palapala pepa, nā punahelu, nā pono a me nā aila hahi, i hoʻolauna nui ʻia iā ʻoe.

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I. Hana i nā mea maka o nā ʻāpana hahi

1. Nānā kemikala a me ka ninaninau metallographic

E kālailai i nā ʻike o nā mea kemika i ka mea, e hoʻoholo i ka papa a me ka like o ka nui o ka palaoa o nā mea, e loiloi i ka papa o ka semite manuahi, ke ʻano i hoʻopaʻa ʻia a me ka hoʻohui ʻole metallic i loko o nā mea, a nānā i nā kīnā e like me ka liʻiliʻi shrinkage a me ka porosity o nā mea.

2. Nānā mea

Hoʻopaʻa nui ʻia nā ʻāpana ʻāpana a wili a anuanu paha i ka papa hao a me nā ʻāpana, nā ʻāpana hahi o nā mea maka e loaʻa kahi palapala maikaʻi, e hōʻoia ana i nā mea e like me nā koi ʻenehana i hōʻike ʻia. Ke ʻaʻohe palapala maikaʻi a no nā kumu ʻē aʻe, hiki i ka ʻāpana hahi i nā ʻāpana hana ke koho i nā mea maka no ka reinspection e like me ka koi.

3. Hoʻokolohua hana hōʻike

E hoʻoneʻe ʻia ka hoʻokolohua anuu a me ke kaʻina hana kīʻaha ma luna o nā mea e hoʻoholo ai i ka helu paʻakiki e hana ana a me ka lāki lāki lākiō o nā mea, a pēlā aku. Eia hou, hiki ke hoʻokō ʻia ke ʻano hoʻāʻo no ka hana ʻana i ka pepa kila e like me ka nā hoʻolako o ka hana ʻana a me ka hana hoʻāʻo o ka pepa kila.

4. Hōʻike paʻakikī

Hoʻohana ʻia ka mea hōʻike ʻoʻoleʻa Rockwell no ka hoʻāʻo paʻakikī o nā ʻāpana hahi metala. Hiki ke hoʻāʻo ʻia nā ʻāpana hehi liʻiliʻi me nā ʻano paʻakikī me nā mea hoʻokolohua ʻē aʻe.

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Ii. Nā ʻenehana ʻenehana o nā ʻāpana hahi hao

1, nā hahi hahi i ka hoʻolālā ʻana o ke kinona o nā ʻāpana, ka hoʻohana ʻana o kahi maʻalahi a kūpono hoʻi o ka ʻilikai a me kāna hui ʻana, akā e hoʻāʻo nō hoʻi e hana i ka helu o ka papa hana a me ka wahi hana liʻiliʻi.

2, koho i ke ʻano kūpono o ka hoʻomākaukau hakahaka i ka hana ʻana i ka mīkini, hiki ke hoʻohana pololei i nā ʻikepili, hoʻolei, forging, hahi ʻana a me nā kuʻi, a pēlā aku. ʻO ke koho o nā ʻano ʻenehana hakahaka a kikoʻī e pili ana i ka hana hana, hana pono a me nā hanana hana. .

3, hahi hahi e hana ana i nā koi e pono ai, i mea e kōkua ai i ka hōʻino ʻana i ka deformation a hoʻomaikaʻi i ka maikaʻi o nā ʻāpana, pono i nā mea plasticity maikaʻi, lākiō liʻiliʻi flexural, coefficient directivity pālahalaha, coefficient directivity papa, ka ikaika hua o ka mea. a liʻiliʻi ka lakio o ka modulus elastis. ʻAʻole koi ke kaʻina hoʻokaʻawale i nā mea e loaʻa ai kahi plasticity maikaʻi, akā he palekiko kekahi mea.

4. E kuhikuhi i ka pololei o ka hana ʻana a me ka ʻino o ka papa. E hoʻonui ka uku o nā ʻāpana hahi me ka hoʻomaikaʻi o ke kikoʻī, keu hoʻi i ka hihia o ke kiko kiʻekiʻe, he mea nui loa kēia hoʻonui. No laila, ʻaʻole e alualu ʻia ke kiʻekiʻe kiʻekiʻe inā ʻaʻohe lawa kumu. Pēlā nō hoʻi ka ʻili o ka ʻilikai o nā ʻāpana hahi e like me ka pono o ka ʻili e hana i nā lako kūpono.

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ʻEkolu, ke koho koho o ka aila hahi keleawe

1, pā kila kila silikone: maʻalahi ka pā silika i ka hakahna ʻana i nā mea, i mea e hoʻomaʻemaʻe maʻamau i ka huahana i hoʻopau ʻia o ka hana, i mea e pale aku ai i ka burr i hana ʻia e ka hakahaka ma lalo o ke kumu o ka hoʻohana ʻana o ka aila hulu liʻiliʻi viscosity.

2, pā kila kalapona: hoʻohana nui ʻia ka pā kila kalapona no kekahi pono mīkini, e like me ka hana o ka papa pale pale ʻaʻole kiʻekiʻe haʻahaʻa ka hana ʻana, no laila i ke koho ʻana o ka ʻaila haki e hoʻolohe mua i ka viscosity o ka aila kahakiʻi.

3, pā kila kila: ʻo ka papa kila kila ka papa o ka hoʻoheheʻe ʻana o ka wela a i ʻole ka pā o ka pā kila hao, no ka mea a e hoʻopili ʻia nā mea hoʻohui chlorine, no laila i ke koho ʻana o ka aila hahi e hoʻolohe i ka hahi ʻaila chlorine e kū mai. pilikia ʻino keʻokeʻo.

4. Pālahalaha keleawe a me aluminika: Ma muli o ke ductility maikaʻi o ke keleawe a me ke alumini, hiki iā mākou ke koho i ka aila hahi me ka mea ʻaila a me nā waiwai heʻe maikaʻi e hōʻalo ai i ka hoʻohana ʻana o ka aila haki i loaʻa i ka chlorine, a i ʻole ka ʻaila ʻaila hahi e hoʻoliʻiliʻi ka ʻili .

5, kila kila: maʻalahi ka kila kila e hana i nā mea paʻakikī, koi i ka hoʻohana ʻana o ka ikaika o ka ʻaila kiʻiʻoniʻoni, aila sinile kūʻē sinter maikaʻi. burr, haki a me nā pilikia ʻē aʻe.

Hahi hahi hoʻolauna ʻia nā kaʻina hana a me nā ʻenehana i ke kikoʻī ma luna o nā helu ʻekolu i luna. ʻoi aku ka paʻakikī o ka ʻenehana hoʻopaʻa ʻana i nā ʻāpana metala, i mea e hōʻoia ai i ka hana o nā ʻāpana metala hiki ke hoʻokō i nā pono hoʻohana, pono mākou e hāhai i nā kaʻina hana e like ai, i hōʻoia i ka hiki o ka hana ʻana hahi hoʻoheheʻe keleawe, e ʻoluʻolu e leka uila iā mākou ~


Ka manawa Post: ʻOkakopa-17-2020