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ʻO ka nānā ʻana o ka hoʻolei ʻana i ka valve

1. He aha ka hoolei ana

Ua ninini ʻia ka metala wai i loko o kahi lua mold me kahi ʻano kūpono no ka ʻāpana, a ma hope o ka paʻa ʻana, loaʻa kahi huahana me kahi ʻano, ka nui a me ka maikaʻi o ka ʻili, i kapa ʻia ʻo ka hoʻolei ʻana.ʻEkolu mau mea nui: alloy, modeling, ninini a me ka solidification.ʻO ka pōmaikaʻi nui loa: hiki ke hana i nā ʻāpana paʻakikī.

 

2. Hoʻomohala ʻana i ka hoʻolei ʻana

Hoʻomaka ka hana ʻana i nā makahiki 1930 me ka hoʻohana ʻana i nā mīkini pneumatic a me nā kaʻina hana lepo lepo.

Ua ʻike ʻia ke ʻano one sima i ka makahiki 1933

I ka makahiki 1944, ua ʻike ʻia ke ʻano puʻupuʻu resin i uhi ʻia i ke anuanu

Ua ʻike ʻia ka ʻōpala wai aniani wai paʻakikī CO2 i ka makahiki 1947

I ka makahiki 1955, ua ʻike ʻia ke ʻano puʻupuʻu wai hoʻoheheʻe resin

I ka makahiki 1958, ua puka mai ka furan resin no-bake one mold

I ka makahiki 1967, ua ʻike ʻia ke ʻano o ke one kahe

I ka makahiki 1968, ua puka mai ke aniani wai me ka mea pa'akikī

I nā makahiki he 50 i hala iho nei, nā ʻano hana hou o ka hana ʻana i ka hoʻoheheʻe ʻana ma ke ʻano kino, e like me: magnetic pellet molding, vacuum sealing molding method, foam molding nalowale, etc.E like me ka hoʻolei centrifugal, ka hoʻolei kiʻekiʻe, ka hoʻolei haʻahaʻa haʻahaʻa, ka extrusion wai, etc.

 

3. Nā hiʻohiʻona o ka hoʻolei ʻana

A. Hiki ke hoʻololi a me ka maʻalahi.ʻO nā huahana metala āpau.ʻAʻole kaupalena ʻia ka hoʻolei ʻana e ke kaumaha, ka nui a me ke ʻano o ka ʻāpana.Hiki ke paona mai kekahi mau grama a hiki i nā haneli haneli, hiki i ka mānoanoa o ka pā mai 0.3mm a 1m, a hiki i ke ʻano ke lilo i mau ʻāpana paʻakikī.

B. ʻO ka hapa nui o nā mea maka a me nā mea kōkua i hoʻohana nui ʻia a maʻalahi, e like me ke kila kila a me ke one.

C. Hiki i nā ho'olei ke ho'omaika'i i ka pololei o ke ana a me ka maika'i o ka ili o ka ho'olele 'ana ma o ka 'enehana ho'olei 'ana, i hiki ke 'oki li'ili'i i nā 'āpana a me ke 'oki 'ole.


Ka manawa hoʻouna: ʻAukake-11-2022