Jagoran Zaɓin Kayan Kayan Zuba Jari: Daidaita Alloys zuwa Aikace-aikacenku

Me yasa Zaɓin Kayan Kaya Yafi Mahimmanci a Fitar da Zuba Jari

Babban fa'idar simintin saka hannun jari shine yancin ƙira - geometries kusa-kusa-net, bangon sirara, da fasalulluka na ciki waɗanda ba za a iya cimma su ba tare da ƙirƙira ko simintin yashi. Amma wannan 'yancin yana ɗaga ɗimbin yawa akan zaɓin kayan abu. Tsarin simintin saka hannun jari yana ba da abubuwan gami ga yanayin zafi na narkakkar karfe da aka riƙe a cikin harsashi yumbu, kuma kowane dangin gami yana mu'amala daban-daban tare da waccan yanayin: ƙarfe na carbon suna gafartawa, maki mara nauyi yana buƙatar yanayi mai sarrafawa, kuma superalloys suna buƙatar daidaitaccen sarrafa zafi. Zaɓin alloy ɗin ginin ku ba zai iya ci gaba da sarrafa shi ba girke-girke ne na porosity, haɗawa, da jinkirin bayarwa.

Tambayoyi Guda Biyar Da Suke Tsare Duk Wani Hukunci na Alloy

Kafin buɗe takardar bayanan abu, amsa waɗannan tambayoyi biyar tare da ƙungiyar ƙirar ku:

1. Wane kaya ne sashin zai ɗauka? Ƙarfin madaidaici, hawan keke na gajiya, da tasiri kowane batu zuwa ga iyalai daban-daban.
2. Wane yanayi zai yi hidima? Kafofin watsa labarai masu lalacewa, haɓakar zafin jiki, da ƙullewar lamba sun ƙunsar filin cikin sauri.
3. Menene haƙuri da buƙatun saman? Wasu allunan suna riƙe da juriya na simintin simintin gyare-gyare fiye da wasu.
4. Yaya za a sarrafa sashin? Alloys masu wuya suna ƙara lokacin injina da farashin kayan aiki.
5. Menene ainihin aikace-aikacen ke tabbatarwa? Abubuwan ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun abu shine mafi yawanci - kuma mafi tsada - kuskuren zaɓi.

Carbon and Low-Alloy Steels: The Workhorses

Matsayi na yau da kullun : AISI 1020/1030/1045, AISI 4130, AISI 4140/42CrMo4, AISI 8620, 16MnCr5

Carbon da ƙananan ƙarfe na ƙarfe suna lissafin yawancin simintin saka hannun jari ta hanyar girma, kuma saboda kyakkyawan dalili. Suna ba da ingantacciyar ma'auni na ƙarfi, tauri, weldability, da farashi - yawanci mafi ƙarancin kayan abu a kowace kilogiram na kowane kayan aikin injiniyan siminti.

• AISI 1020/1030 (carbon bayyananne) : Madaidaici don braket, levers, gidaje, da kayan aiki inda matsakaicin ƙarfi (400-600 MPa tensile) ya isa. Kyakkyawan machinability.
• AISI 4130/4140 (chromium-molybdenum) : Zaɓin tsoho don abubuwan haɗin kai mai ƙarfi - jikin bawul ɗin hydraulic, sandunan haɗin gwiwa, gears, da kayan aikin mai. Quenched-da-haushi 4140 ya kai 930+ MPa ƙarfin ƙarfi tare da juriya mai kyau.
• AISI 8620 (nickel-chromium-molybdenum) : Ƙayyadaddun inda ake buƙatar ƙarar ƙarar - gear blanks, camshafts, da safa filaye da ke buƙatar akwati mai ƙarfi a kan babban mahimmanci.

Zaɓin zaɓi : Idan ɓangaren ku yana aiki a cikin tsarin tsarin da ke ƙasa da 300 ° C ba tare da wani fa'ida mai mahimmanci na lalata ba, ƙaramin ƙarfe mai ƙarancin ƙarfe kusan koyaushe shine amsar tattalin arziki. Kar a haɓaka zuwa bakin karfe ba tare da dalili mai lalacewa ba - ƙimar farashi shine 2-4 ×.

Bakin Karfe: Lalata da Juriya na Zafi

Yawan maki : CF8/304, CF8M/316, CA15/410, 17-4 PH, 2205 duplex

Bakin karfe sun mamaye bawul, famfo, sarrafa abinci, ruwa, da aikace-aikacen sinadarai. Yin simintin saka hannun jari yana ɗaukar maki mara kyau da kyau, kodayake sarrafa narkewa da yanayin harsashi suna da mahimmanci don gujewa ɗaukar carbon da hada iskar oxygen.

• CF8 (304) : Babban manufar austenitic sa don ruwa, abinci, da sabis na sinadarai mai laushi. Kyakkyawan juriya na lalata, kyakkyawan tsari, mara ƙarfi.
• CF8M (316) : Yana ƙara molybdenum don jure juriya da chlorides - daidaitaccen zaɓi don lalata, kayan aikin ruwa, jikin bawul ɗin sinadarai, da kayan aikin magunguna.
• CA15 (410) / CA6NM (410NiMo) : Martensitic bakin maki wanda ke haɗa matsakaicin juriya na lalata tare da babban ƙarfi - ana amfani da su a cikin masu gudu na turbine, datsa bawul, da ramukan famfo.
• 17-4 PH : Hazo-hardening bakin karfe isar da 1,100+ MPa ƙarfi tensile ƙarfi tare da mai kyau lalata juriya. Je zuwa ga babban aikin bawul mai tushe, kayan aikin sararin samaniya, da kayan aiki.
• Duplex 2205 : Kusan ninki biyu na ƙarfin amfanin gona na 316 tare da maɗaukakin chloride damuwa-lalata juriya, don aikin kemikal mai ƙarfi da ƙarfi.

Tukwici na zaɓi : Daidaita ma'auni da ƙayyadaddun tsarin lalata. 304 ya kasa a cikin yanayin chloride inda 316 suka tsira; 316 da kanta ya shiga cikin damuwa-lalata fashe inda maki duplex ba sa.

Iron Ductile da Grey Iron: Damping and Value

Yawan maki : QT400-18, QT450-10, QT500-7, QT700-2, GG25

Duk da yake mafi yawan alaƙa da simintin yashi, baƙin ƙarfe ductile shima simintin saka hannun jari ne - musamman don abubuwan haɗin gwiwa inda keɓancewar haɗin ƙarfinsa, damping, da taurin ƙarfe kusa da ƙarancin farashi yana da mahimmanci.

• QT450-10 / QT500-7 : Tsarin gidaje, goyan bayan axle, abubuwan dakatarwa. Tsawaita 7-10% yana ba da tauri na gaske.
• QT700-2 : Aikace-aikace masu ƙarfi - gidaje na ƙarshe na tuki, crankshafts, gears - inda girgizawar girgiza da ƙarfin ƙarfi.
• GG25 (iron launin toka) : Compressor da abubuwan haɗin birki inda damping da thermal conductivity yayi nauyi fiye da buƙatun tensile.

Alloys Copper: Bearings da Marine Service

Yawan maki : C95800 NiAl Bronze, C83600 jan tagulla, C95400 aluminum tagulla

Allolin jan ƙarfe suna samun wurin da ƙarfe ba zai iya zuwa ba: yanayin ruwa mai nutsewa, ɗaukar kaya da aikace-aikacen bushewa, da kayan aiki mara walƙiya don yanayi mai haɗari.

• C95800 Nickel-Aluminum Bronze : Madaidaicin kayan aikin ruwa - 600+ MPa tensile, kyakkyawan cavitation da juriya na lalata ruwan teku, da kaddarorin rigakafin.
• C95400 Aluminum Bronze : Ƙarfin ƙarfi mai ƙarfi, gears, da kujerun bawul waɗanda ke buƙatar ƙarfin ɗaukar nauyi fiye da daidaitattun tagulla.

Superalloys da Kayayyakin Musamman

Don abubuwan haɗin injin turbin gas, tsarin shaye-shaye, da kayan aikin petrochemical da ke aiki sama da 600 ° C, jefar da jari shine kawai tsari mai yuwuwa. Cobalt-base (Stellite) da nickel-base alloys suna kula da ƙarfi a yanayin zafi inda ƙarfe ya daɗe da sallama. Waɗannan aikace-aikacen suna buƙatar ƙwararrun masana'antu tare da ikon narkewa - wani yanki inda zaɓin kayan aiki da zaɓin mai siyarwa ya zama mara rabuwa.

Duban Haƙiƙanin Ƙirar Ayyuka

Samfurin tunani mai fa'ida yana ƙididdige iyalai na gama gari ta farashin kayan dangi:

1. Grey baƙin ƙarfe / carbon karfe (baseline 1.0 ×)
2. Bakin ƙarfe (1.1×)
3. Ƙarfe mai ƙarancin ƙarfi (1.2-1.5×)
4. Bakin karfe 400-jeri (1.5-2×)
5. Bakin karfe 300-jeri (2-3×)
6. 17-4 PH / duplex (3-4×)
7. Alloys na Bronze (3-5×)
8. Superalloys (8-20×+)

Misalin a bayyane yake: kowane mataki sama da tsani yana siyan takamaiman iyawa - ƙarfi, juriyar lalata, ko juriyar zafi. Biya don damar da aikace-aikacenku ke buƙata, ba wanda ɓangaren abokin hamayyar ku ke buƙata ba.

Yadda KST Casting ke Goyan bayan Matakin Kayan Ka

Zaɓin kayan aiki bai kamata ya faru ba a keɓe daga kerawa. A Ningbo Ruican, ƙungiyar injiniyarmu tana bitar kowane RFQ don dacewa da tsarin kayan aiki kafin a faɗi. Muna ba da ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙima, suna ba da shawarar daidaitattun waɗanda ke haɓaka aikin simintin gyare-gyare, da samar da ra'ayoyin DFM waɗanda ke haɓaka fasali da rage injina. Tare da takaddun shaida na IATF 16949, tabbatar da sikirin mita akan kowane zafi, da cikakken EN 10204 3.1 takaddun shaida, kuna karɓar takaddun shaida cewa gami a ɓangaren ku shine gami da kuka ayyana.