Ke alakaʻi koho ʻana i nā mea waiwai hoʻolei kālā: Hoʻohālikelike i nā Alloys me kāu noi

No ke aha i ʻoi aku ka nui o ke koho ʻana i nā mea waiwai i ka hoʻolei kālā

ʻO ka pōmaikaʻi nui o ka hoʻolele kālā ʻana ʻo ke kūʻokoʻa hoʻolālā - nā geometries kokoke i ka ʻupena, nā paia lahilahi, a me nā hiʻohiʻona o loko hiki ʻole ke hoʻokō me ka hoʻoheheʻe ʻana a i ʻole ka hoʻolei one. Akā, ʻo ia kūʻokoʻa e hoʻonui i ka pili i ke koho waiwai. ʻO ke kaʻina hana hoʻolele kālā e hoʻopili i nā mea wela i hoʻoheheʻe ʻia i loko o nā pūpū seramika, a ʻokoʻa ke ʻano o kēlā me kēia ʻohana huila me kēlā kaiapuni: kala kala kalapona, koi ʻia nā māka kuhili ʻole i ka lewa, a ʻo nā superalloys e koi pono i ka hoʻokele wela. ʻO ke koho ʻana i kahi huila ʻaʻole hiki i kāu foundry ke haku mau he mea ʻai ia no ka porosity, inclusions, a me ka hoʻokuʻu ʻana.

Nā Nīnau ʻelima e hoʻopaʻa ai i nā hoʻoholo Alloy

Ma mua o ka wehe ʻana i kahi ʻikepili waiwai, e pane i kēia mau nīnau ʻelima me kāu hui hoʻolālā:

1. He aha nā ukana a ka ʻāpana e lawe ai? ʻO ka ikaika paʻa, ke kaʻa kaʻa luhi, a me ka hopena i kēlā me kēia wahi i nā ʻohana alloy like ʻole.
2. He aha ka nohona e lawelawe ai? ʻO ka media corrosive, ka wela kiʻekiʻe, a me ka hoʻopili abrasive e hōʻemi koke i ke kahua.
3. He aha nā mea e pono ai ka hoʻomanawanui a me ka ʻili? ʻOi aku ka paʻa ʻana o kekahi mau alloys ma mua o nā mea ʻē aʻe.
4. Pehea e hana ʻia ai ka ʻāpana? Hoʻonui ka paʻa i ka manawa machining a me ke kumukūʻai mea hana.
5. He aha ka mea e hōʻoiaʻiʻo ai ka palapala noi? ʻO ka hoʻohālikelike ʻana i nā mea ʻoi aku ka maʻamau - a ʻoi aku ka pipiʻi - koho hewa.

Na hao kalapona a me na kila haahaa: na lio hana

Nā māka maʻamau : AISI 1020/1030/1045, AISI 4130, AISI 4140/42CrMo4, AISI 8620, 16MnCr5

ʻO ke kalapona a me nā kila haʻahaʻa haʻahaʻa no ka hapa nui o nā hoʻopukapuka kālā ma ka leo, a no ke kumu maikaʻi. Hāʻawi lākou i kahi kaulike maikaʻi loa o ka ikaika, ka paʻakikī, ka weldability, a me ke kumukūʻai - ʻo ka mea maʻamau ke kumu kūʻai haʻahaʻa haʻahaʻa i hoʻokahi kilokani o kēlā me kēia mea hana ʻenehana castable.

• AISI 1020/1030 (Kapona kalapona) : He kūpono no nā pale, nā lever, nā hale, a me nā mea pono kahi e lawa ai ka ikaika haʻahaʻa (400–600 MPa tensile). Machinability maikaʻi loa.
• AISI 4130/4140 (chromium-molybdenum) : ʻO ka koho maʻamau no nā ʻāpana koʻikoʻi kiʻekiʻe - nā kino valve hydraulic, nā koʻokoʻo pili, nā mīkini, a me nā mea hana ʻaila. Hiki i ka 4140 Quenched-and-tempered a hiki i ka 930+ MPa ikaika tensile me ke kūpaʻa luhi maikaʻi.
• AISI 8620 (nickel-chromium-molybdenum) : Ua kuhikuhi ʻia i kahi e koi ʻia ai ka hoʻopaʻapaʻa hihia - nā pahu pahu, nā camshafts, a me nā ʻili lole e pono ai kahi pahu carburized paʻakikī ma luna o kahi kumu paʻakikī.

Manaʻo koho : Inā hana kāu ʻāpana i kahi kūlana ma lalo o 300 ° C me ka ʻike ʻole ʻia o ka corrosion nui, ʻo ke kila haʻahaʻa haʻahaʻa ka pane ʻoi loa. Mai hoʻonui i ka stainless me ke kumu ʻole o ka corrosion - ʻo ke kumu kūʻai he 2-4×.

ʻO nā kila kila: ʻO ka ʻino a me ke kūpaʻa wela

Nā māka maʻamau : CF8/304, CF8M/316, CA15/410, 17-4 PH, 2205 duplex

ʻO nā kila kila i loko o ka valve, ka paila, ka hana meaʻai, ka moana, a me nā noi kemika. Hoʻohana maikaʻi ka hoʻolele kālā i nā māka kulika, ʻoiai he mea nui ka hoʻoheheʻe ʻana a me nā lewa pūpū e pale aku ai i ka ʻohi kalapona a me ka hoʻokomo ʻana i ka oxidation.

• CF8 (304) : ʻO ka papa austenitic kumu nui no ka wai, ka meaʻai, a me ka lawelawe kemika māmā. Kūleʻa corrosion maikaʻi, formability maikaʻi loa, non-magnetic.
• CF8M (316) : Hoʻohui i ka molybdenum no ke kūʻē ʻana i nā chlorides - ke koho maʻamau no ka desalination, nā lako kai, nā kino kīwila kemika, a me nā lako lāʻau.
• CA15 (410) / CA6NM (410NiMo) : ʻO nā māka kuhili martensitic e hoʻohui i ke kūpaʻa corrosion haʻahaʻa me ka ikaika kiʻekiʻe - hoʻohana ʻia i nā mea holo turbine, ʻokiʻoki valve, a me nā kumu pahū.
• 17-4 PH : ʻO nā mea ʻuʻuku paʻakikī e hāʻawi ana i ka ikaika tensile 1,100+ MPa me ke kūpaʻa ʻino maikaʻi. ʻO ka hele ʻana no nā ʻōpala valve hana kiʻekiʻe, nā lako aerospace, a me nā mea hana.
• Duplex 2205 : Aneane papalua i ka ikaika o ka hua o 316 me ka chloride stress-corrosion cracking resistance, no ka hana kemika ma waho a me ka ikaika.

Manaʻo koho : E hoʻohālikelike i ka pae kuhiliʻole me ka mīkini ʻino. 304 hāʻule i loko o ka chloride kaiapuni kahi 316 ola; ʻO 316 ponoʻī e hāʻule i ka pohā ʻinoʻino kahi i loaʻa ʻole ai nā māka duplex.

ʻO ka hao hao a me ka hao hina: Damping a me ka waiwai

Nā māka maʻamau : QT400-18, QT450-10, QT500-7, QT700-2, GG25

ʻOiai ʻo ka hapa nui e pili ana me ka hoʻolei ʻana i ke one, ʻo ka hao ductile kekahi i hoʻolei kālā - ʻoi aku no nā ʻāpana kahi i hoʻoholo ʻia ai kāna hui kūʻokoʻa o ka ikaika, ka hoʻoheheʻe ʻana, a me ka paʻakikī kokoke i ke kila ma ke kumu kūʻai haʻahaʻa.

• QT450-10 / QT500-7 : Nā hale kūkulu hale, kākoʻo axle, nā mea hoʻokuʻu. Hāʻawi ka elongation o 7-10% i ka paʻakikī maoli.
• QT700-2 : Nā noi ikaika kiʻekiʻe - nā hale hoʻokele hope loa, nā crankshafts, nā mīkini - kahi e pono ai ka haʻalulu haʻalulu a me ka ikaika compressive.
• GG25 (hao hina) : ʻO ka mea hoʻoemi a me nā ʻāpana kaʻa kahi i ʻoi aku ka nui o ka hoʻoheheʻe ʻana a me ka hana wela ma mua o nā koi tensile.

Nā Alloy Copper: Bearings and Marine Service

Nā māka maʻamau : C95800 NiAl keleawe, C83600 ʻulaʻula keleawe, C95400 alumini keleawe

Loaʻa i nā hui keleawe ko lākou wahi kahi e hiki ʻole ai ke kila: nā kaiapuni moana i hoʻopaʻa ʻia, nā noi a me nā mea hoʻopuʻu, a me nā mea hana ʻaʻole ahi no nā lewa weliweli.

• C95800 Nickel-Aluminum Bronze : ʻO ka maʻamau propeller kai - 600+ MPa tensile, cavitation maikaʻi a me ke kūpaʻa ʻana o ka wai kai, a me nā waiwai anti-fouling.
• C95400 Aluminum Bronze : ʻO nā bearings ikaika kiʻekiʻe, nā mīkini, a me nā noho valve e koi ana i ka hiki ke hoʻouka ma mua o nā keleawe maʻamau.

Superalloys a me nā mea kūikawā

No nā ʻāpana turbine kinoea, nā ʻōnaehana exhaust, a me nā lako petrochemical e hana ana ma luna o 600 °C, ʻo ka hoʻolei kālā ʻo ia wale nō ka hana kūpono. ʻO nā kobalt-base (Stellite) a me ka nickel-base alloys e mālama i ka ikaika ma nā mahana kahi i hāʻawi lōʻihi ai nā kila. Ke koi nei kēia mau noi i nā mea hoʻokumu kūikawā me ka hiki ke hoʻoheheʻe ʻia - kahi ʻāpana kahi i hiki ʻole ai ke koho ʻana i nā mea a me nā mea kūʻai aku.

ʻO ka hōʻoia ʻoiaʻiʻo o ke kumu kūʻai

Hoʻonohonoho ke kumu hoʻohālike noʻonoʻo maikaʻi i nā ʻohana huila maʻamau e ke kumu kūʻai waiwai pili:

1. Hao hina / hao kalapona (kumu 1.0×)
2. Ka hao hao (1.1×)
3. Ke kila kila haʻahaʻa (1.2–1.5×)
4. 400-moʻo kuhili (1.5–2×)
5. 300-moʻo kuhili (2–3×)
6. 17-4 PH / duplex (3–4×)
7. Nā mea hao keleawe (3–5×)
8. Nā huila nui (8–20×+)

ʻIke maopopo ke kumu: ʻo kēlā me kēia piʻi ʻana i ke alapiʻi e kūʻai i kahi mana kikoʻī - ikaika, pale ʻana i ka corrosion, a i ʻole ka wela. E uku no ka mea hiki i kāu noi noi, ʻaʻole ka mea i makemake ʻia e kāu mea hoʻokūkū.

Pehea e kākoʻo ai ʻo KST Casting i kāu hoʻoholo waiwai

ʻAʻole pono e hoʻokaʻawale ʻia ke koho ʻana mai ka hana ʻana. Ma Ningbo Ruican, nānā kā mākou hui ʻenekinia i kēlā me kēia RFQ no ke kūpono o ka hana ʻana ma mua o ka haʻi ʻana. Hōʻike mākou i nā kikoʻī nui e hoʻonui i ke kumukūʻai, hōʻike i nā mea like e hoʻomaikaʻi ai i ka castability, a hāʻawi i nā manaʻo DFM e hoʻohui i nā hiʻohiʻona a hōʻemi i ka mīkini. Me ka IATF 16949 palapala hōʻoia, spectrometer hōʻoia ma kēlā me kēia wela, a me ka piha EN 10204 3.1 palapala hōʻoia, loaʻa iā ʻoe ka hōʻoia i palapala ʻia ʻo ka huila i kāu ʻāpana ʻo ia ka alloy āu i kuhikuhi ai.