Nūhou ʻOihana
-
ʻO nā hemahema koʻikoʻi o ka wai ma ke ʻano he mea hoʻomaha hoʻomaha no ka hoʻoheheʻe ʻana ？
1) i ka austenite isothermal transformation diagram o kahi maʻamau, ʻo ia hoʻi, e pili ana i 500-600 ℃, ka wai i loko o ke kahua kiʻi ʻoniʻoni mahu, ʻaʻole wikiwiki ka nui o ka hoʻoilo, pinepine pinepine i ka hoʻoilo ʻole ʻana a me ka lawa ʻole o ka hoʻoilo ʻana i ka wikiwiki. ka "wahi palupalu".Ma ka transf martensite...Heluhelu hou aku -
He aha ke ʻano o ka pilina bolt e hoʻohana ʻia ai ka flange kila kuhili ʻole?
Nīnau pinepine nā mea kūʻai aku: pili ʻana i ke kila kila flange inā paha e koho i nā kīʻaha kila? I kēia manawa, e kākau wau i nā mea aʻu i aʻo ai e kaʻana like me ʻoe: ʻAʻohe mea e pili ana i nā mea o nā bolts flange, e like me ka ʻōnaehana ʻEulopa HG20613-97 "paipu kila me nā mea hoʻopili (ka ...Heluhelu hou aku -
Pehea e hoʻohana pono ai i ka flange welding
Flanges Me ka hoʻomohala wikiwiki ʻana o ka hana ʻana o ke kuhina nui o nā ʻāina ʻē aʻe, ua lilo ka hoʻāʻo ʻana o ka pipeline i kahi loulou koʻikoʻi, ma mua a ma hope o ka hoʻāʻo ʻana, pono e hele i ka laina pōpō no kēlā me kēia ʻāpana o ka pipeline, ʻo ka nui o nā manawa he 4 ~ 5. Nui loa...Heluhelu hou aku -
Nā noi o ka paʻakikī a me ka paʻakikī o ka forgings
ʻO ka paʻakikī a me ka paʻakikī nā papa kuhikuhi hana e hōʻike ana i ka hiki ke hoʻopau i nā forgings, a ʻo ia hoʻi ke kumu nui no ke koho ʻana a me ka hoʻohana ʻana i nā mea.Heluhelu hou aku -
ʻO ke ala e hoʻomaikaʻi ai i ka plasticity o ka forging a hōʻemi i ka pale deformation
I mea e maʻalahi ai ke kahe ʻana o ka billet metala, e hōʻemi i ka pale deformation a mālama i ka ikehu o nā mea hana, ʻo nā ʻano hana maʻamau i hoʻohana ʻia i ke kaʻina hana forging: 1) Hoʻopaʻa i nā ʻano mea o ka forgings, a koho i kahi mahana deformation kūpono, ka wikiwiki a me ka de. ..Heluhelu hou aku -
Flange maʻamau
Flange standard: National standard GB/T9115-2000, Ministry of Machinery STANDARD JB82-94, Ministry of Chemical Industry standard HG20595-97HG20617-97, Ministry of Electric Power standard GD0508 ~ 0509, American standard ASME/ANSI B16.5, Japanese standard JIS/KS(5K, 10K, 16K, 20K), kūlana Kelemānia...Heluhelu hou aku -
He aha nā ʻano o ka hoʻomaʻemaʻe ʻana
ʻO ka hoʻomaʻemaʻe hoʻomaʻemaʻe ʻana ʻo ia ke kaʻina hana o ka wehe ʻana i nā hemahema o ka ʻili o ka forgings ma ke ʻano mechanical a i ʻole kemika. I mea e hoʻomaikaʻi ai i ka maikaʻi o ka ʻili o nā forgings, hoʻomaikaʻi i nā kūlana ʻokiʻoki o nā forgings a pale i nā hemahema o ka ʻili mai ka hoʻonui ʻana, pono ia e hoʻomaʻemaʻe i ka blank a me nā forgings ...Heluhelu hou aku -
ʻO nā hemahema a me nā mea e pale ai i nā hana hoʻoheheʻe nui: ʻAʻole kūlike nā microstructure a me nā waiwai
Nui forgings, ma muli o ko lakou nui nui, he nui kaʻina hana, lōʻihi pōʻaiapuni, non-uniformity i loko o ke kaʻina hana, a me ka nui unstable kumu, pinepine i koʻikoʻi non-uniformity i loko o ka microstructure, i hiki ole ke hele i ka mechanical waiwai hoao, metallographic inspection a me ʻike ʻia nā hemahema kīnā ʻole...Heluhelu hou aku -
ʻO nā hemahema a me nā mea e pale aku ai i nā hana hoʻoheheʻe nui: Ka hana ʻana i nā māwae
Ma ka forging nui, inā ʻilihune ka maikaʻi o nā mea maka a i ʻole ka hana forging ʻaʻole i ka manawa kūpono, maʻalahi ka hana ʻana i nā māwae. Hōʻike kēia ma lalo nei i kekahi mau hihia o ka hoʻoheheʻe ʻana i ka māwae i hoʻokumu ʻia e nā mea ʻilihune. (1) Ka hana ʻana i nā māwae i hoʻokumu ʻia e nā hemahema ingot ʻO ka hapa nui o nā hemahema ingot m...Heluhelu hou aku -
ʻO ke kaʻina hana hoʻoheheʻe o ke apo apo
Hoʻohana nui ʻia ka hoʻopaʻa lima i ka ʻoihana i kēia manawa. ʻO ke kaʻina hana forging o nā apo forgings kekahi i haku ʻia i ʻehā ʻāpana. ʻO kēia ka mea nui e haʻi iā ʻoe e pili ana i kekahi kaʻina hana hoʻopaʻa apo, manaʻo wau hiki iā ʻoe ke aʻo. ʻO ke kaʻina hana forging o nā ring forgings ka nui o nā pae aʻe: Pier ...Heluhelu hou aku -
ʻO ke kaʻina hana kumu o ka forging
ʻO ke kaʻina hana forgings e like me kēia: ka hoʻomākaukau ʻana i nā ingots a i ʻole blanking - nānā ʻana (blank) - hoʻomehana - forging - hoʻomaha - nānā waena - mālama wela - hoʻomaʻemaʻe - nānā hope ma hope o ka hoʻohu ʻana. 1. Hoʻohana nui ʻia ka ingot no ka hana ʻana o ka medium ...Heluhelu hou aku -
ʻO ka mana o nā metala like ʻole i ka waiwai a me ka malleability o ke kila
He thermoplastic nā metala a hiki ke paʻi ʻia ke hoʻomehana ʻia (pono nā metala ʻokoʻa i nā mahana like ʻole). Kapa ʻia kēia malleability. ʻO Malleability ka hiki o kahi mea metala ke hoʻololi i ke ʻano me ka haki ʻole i ka wā e hana ana. Loaʻa iā ia ka hiki ke hana i ka hammer forging, rolling ...Heluhelu hou aku
