Babban Matsi na Mutuwar Casting (HPDC) yana da sauri, madaidaicin samar da karfe wanda aka yi amfani dashi a masana'antu kamar mota da Aerospace. Yana shigar da baƙin ƙarfe a cikin molds a babban gudu da matsin lamba, samar da hadadden, cikakken sassa tare da m saman.
Babban matsin mutuwa ya ci goubing tsari ne mai amfani wanda ke amfani da matsin lamba.
Tsarin ƙarfinsa shine yin allurar Molten ko Semi-Molten (da farko ba ferrous karafa da kuma allurar su kamar aluminium, zinc, magnesium, da tagulla) a cikin rami na pre-da aka tsara mold m (da ake kira mutu jefa mutu) karkashin babban matsin lamba (Yawanci dubun zuwa daruruwan megapascals) da kuma saurin gudu (yawanci dubun mita a sakan na biyu) amfani da tsarin allura.
Karfe na ƙarfe da sauri cike da rami, ana gudanar da shi a karkashin matsin lamba, Cools, da kifiyya, a qarshe forming simintin da ake so siffar da kuma girman.
Abin da ke da babban matsin lamba
Saboda babban matsin lamba, halaye masu sauri, HPDC na iya samar da sassan da ke tafe, m, cikakken daidaito, mallaki ingantaccen inganci, kuma ana iya kerarre tare da ingantaccen inganci.
Babban aikinta na babban matsin lamba ya mutu saboda yawanci ya hada da matakan masu zuwa:
Tsari na kwantar da hankali
Gaba daya sake zagayo; don ƙananan sassan, dubun ko ko da daruruwan keke za a iya kammala minti ɗaya.
Dangane da matsayin dangi da aiki na allurar allura dangane da karfe molten, HPDC da aka tsara da farko cikin nau'ikan biyu:
Strit Strit Strite ya jefa galihu da yawa, zaɓaɓɓu masu amfani da kayan aikinsu da kayan injiniya wanda ya dace don aiwatar da aikin da kuma aikace-aikacen amfani.
Zaɓin ma'aurata kamar nauyi, ƙarfi, farashi, bukatun zafi, da kuma gamsuwa.
Aluminum alamy sun kai mafi yawan zabi na yau da kullun don HPDC, daraja don su da kyau hade da nauyi nauyi, rabo mai kyau-da-nauyi, high thermal watsin, kuma kyawawan juriya na lalata.
Tufafin su yana ba da damar hadaddun geometries da bango na bakin ciki, Yin su ubquitous a cikin kayan aikin mota kamar tubalan injiniyoyi, kazalika da wuraren shakatawa na lantarki da zafi.
Sanannun grades sun haɗa da A380 da Adc12.
Babban matsin lamba ya mutu allolin aluminium
Alloy Zur.
Sanarwarsu mai narkewa tana ba da damar samar da sassan da ke da bakin ciki da bango mai kyau, sau da yawa yana amfani da injin-da-gida.
Wannan yana sanya allurar zinc, kamar Zamak 3 da Zamak 5, Mafi dacewa ga kayan kwalliya na ado, Abubuwan da aka gyara, AutRototive datsa, da sassan suna buƙatar ingantaccen fasaha.
Magnesium gami Shin zabin tafi-zuwa lokacin da rage yawan nauyi shine cikakken fifiko.
Kamar yadda mafi karancin karuwa da aka saba, Suna bayar da ingantaccen ƙarfi-da-nauyi rabo, Kyakkyawan ƙarfin yanayi, da kuma ma'anar garkar Emi.
Alloys kamar Az91D ana iya samun su a cikin sassan motoci da ke nufin rage nauyi (Kamar tuƙin motar motar) kuma a cikin kayan lantarki na lantarki, Duk da buƙatar kulawa da hankali saboda mafi yawan lokuta.
Allo Allos, Da farko bakar fata da tagulla, ana amfani da shi kadan a cikin HPDC saboda babban melting maki, wanda ya rage rage rayuwarsa da karuwa.
Duk da haka, An zaɓi su don takamaiman aikace-aikace suna buƙatar ƙarfi, kyakkyawan sa juriya, mai kyau lalata juriya, ko fifiko na aiki na lantarki.
Misalai sun haɗa da wasu abubuwan haɗin, kayan aikin lantarki, da kuma sassan da suka jingina kamar busasshiyar, yawanci ana sarrafa su ta amfani da injunan kwamfuta.
Karafa masu ferrous kamar ƙarfe da ƙarfe ba su dace da tsarin HPDC ba saboda matsanancin narkewar su.
Bayan fahimtar ribobi da fursunoni, Yanke shawarar yin amfani da HPDC yana buƙatar la'akari da yanayin mahalli masu zuwa:
Sharaɗi:
Na bukatar taro (yawanci dubun dubatar, daruruwan dubun, ko ma miliyoyin sassa).
Dalili:
Kudaden don HPDC sun mutu da kayan aiki suna da girma sosai.
Kawai ta hanyar manyan-sikelin samarwa za su iya amortized akan kowane bangare, Samun ƙarancin farashi da haɓaka tattalin arziƙi gaba ɗaya.
Yana da tsada sosai don karancin girma ko samar da samfura.
Girman samarwa
Sharaɗi:
Tsarin Sashe ya hada da Ganyen bakin ciki (misali, Kasa da 3mm), Aljihuna, hadaddun siffofi, ko Kyakkyawan bayanai.
Dalili:
HPDC ta babban matsin lamba, Babban saurin cikawa yana ba shi damar cike da cavates, samar da bakin ciki-walled da hadaddun tsari mai wahala don cimma tare da wasu hanyoyin simintin.
Sharaɗi:
Sashe na bukatar daidaito mai girma kuma m haƙuri, Neman abubuwan da ke kusa da su.
Dalili:
HPDC tana samar da abubuwa masu tsayayye tare da maimaitawa mai kyau, mafi mahimmanci a rage ko kawar da buƙatar mai zuwa, don haka rage farashin farashi da lokacin samarwa.
Haƙuri mai girman kai kashe sassan
Sharaɗi:
Sashe na bukatar Babban-inganci farfajiya Don dalilai na yau da kullun ko mai zuwa, gwada, ko wasu jiyya.
Dalili:
A m farfajiya na karfe mutu ne kai tsaye replicated a kan casting farfajiya.
HPDC yawanci tana samar da mafi kyawun karewa kamar matakai kamar sink din.
Sharaɗi:
Kayan da ake buƙata don ɓangaren shine mara ferrous sayoy dace da mutu simintin, da farko aluminum, zinc, ko magnesium allo.
Dalili:
Tsarin HPDC da kanta yana tilasta takamaiman abubuwan da ake buƙata a kan abin narke na kayan, ruwa mai ruwa, Haɗin kai tare da mutu, da dai sauransu.
Yayinda Allos na jan karfe na iya zama a jefa, Yana da matukar wahala da tsada. Motalal mai ferrous (karfe, baƙin ƙarfe) ba a sarrafa su ta amfani da HPDC ba.
Sharaɗi:
Batun na farko bukatun (kamar ƙarfi, taurin) za a iya haduwa da "As-Cast" Properties na cin abinci-simint.
Aikace-aikacen ba ya ƙunshi matsanancin ƙarfi (sai dai idan dabaru na musamman kamar ana amfani da siyan gida), baya bukatar tsananin girman kai ko tauri, Kuma baya buƙatar sassauci mai zuwa tsari ko magani mai zafi da ke kokarin inganta karfin / tazara (kamar mafita + tsufa).
Dalili:
HPDC sassan na iya ƙunsar bamciki na microscopic, shafi matsin lamba, ductility, da gajiya.
Irin waɗannan pores na iya haifar da birgima ko murdiya yayin jiyya mai zafi zafi.
Kyakkyawan tsari mai kyau daga sanyaya mai sauri yana ba da kyakkyawan ƙarfi da ƙarfi, Amma ɗaukakar ta da ƙarfi tana iya raguwa fiye da carka da abubuwan tunawa ko sassan da wasu ke yin wasu hanyoyin yin simintin gyarawa.
Sharaɗi:
Bayan cikakken kimantawa, la'akari da babban samarwa, Jimlar kudin HPDC (kayan aiki + Kudin Samfura + Kudin aiki) yana ƙasa da sauran abubuwan masana'antu masu amfani (kamar maching, Tasirin matsin lamba, Grority Casting, Ikin allurar karfe m, da dai sauransu.).
Dalili:
Zaɓuɓɓukan tsari yana yawan fitar da tattalin arziki. Dole ne mutum ya auna fa'ida ta HPDC Low fota free free free free manyan kundin a kan babban sa hannun jarin farko da kuma takamaiman aiki.
Sharaɗi:
Girman sashi da nauyi ya fadi a cikin adadin da ba a yarda da shi na motar da ya mutu ba, Harshen harbi, kuma mutu girman iyawa.
Dalili:
Manyan manyan ko sassa masu nauyi masu yawa na iya wuce damar kayan aikin HPDC, yuwuwar buƙatar la'akari da la'akari da wasu hanyoyin katako ko masana'antu a cikin guda.
Bangare mai girman matsin lamba
a takaice, Babban matsin iska ya mutu shine sau da yawa mai fa'ida sosai kuma zaba mai tsada idan wani aiki ya nemi samar da taro na aluminum, zinc, ko magnesium sassan sassan magungunan, Ganyen bakin ciki, Babban daidaito, kuma kyakkyawan ƙare, bayar da wannan matsanancin bukatun don jin daɗin ciki (kamar matsin lamba) Kuma magani mai zuwa / walda ba ta kasance ba.
Don fahimtar halayen HPDC da aikace-aikacen da suka dace, gwada shi tare da wasu hanyoyin samar da kuɗi na gama gari yana da taimako.
Key kwatancen sun hada da ƙarancin damuwa (LDC), Grority Casting (gami da siyar da yashi da kuma gunaguni na dindindin), da kuma saka hannun jari (Tsarin kafa).
Siffar | Babban Matsi na Mutuwar Casting (HPDC) | Ƙaramin matsin wuta (LDC) | Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙasa (Dindindin Mold - GDC / PM) | Grority Casting (Yashi Casting) | Zuba Jari |
---|---|---|---|---|---|
Cika matsin lamba | Mai Girma (Dabbobi zuwa dari na MPa) | Ƙananan (0.05-0.15 MPa) | Nauyi kawai | Nauyi kawai | Nauyi kawai ko kaɗan ko kadan / centrifugal |
Cika sauri | Da sauri (Tens of m / s) | Sannu a hankali, M | Sannu a hankali | Sannu a hankali | Sannu a hankali |
Yawan samarwa | Mai Girma | Matsakaici-babba | Matsakaici | Low zuwa matsakaici | Ƙananan |
Farashin kayan aiki | Mai Girma | Babban | Matsakaici-babba | Ƙananan (Alamar sauki / babu m mold) | Matsakaici-babba (Mutu + Kakin zuma + Ɓawo) |
Kudin naúrar (High volon) | Ƙananan | Matsakaici-maraƙi | Matsakaici | Matsakaici | Babban |
Bangare mai rikitarwa | Babban (esp. Thin-bango, hadaddun) | Matsakaici-babba | Matsakaici | Matsakaici (ya dogara da tsarin gyara) | Mai Girma (hadaddun fasali na ciki) |
Bango mai yiwuwa | Sosai bakin ciki (ƙasa zuwa 0.5mm) | In mun gwada da bakin ciki (yawanci > 2-3mm) | Kauri (yawanci > 3-4mm) | M (yawanci > 3-5mm) | Bakin ciki zuwa lokacin farin ciki, 'Yancin zane mai tsayi |
Daidaiton Girma | Mai Girma | Babban | Matsakaici-babba | Ƙananan | Mai Girma |
Ƙarshen Sama | Da kyau sosai | Yayi kyau | Adalci kyau | Talakawa | Da kyau sosai |
Sautin ciki | Matsakaici (Yabo ga gas, porosity) | Babban (M cika, madaidaiciyar madaidaiciya.) | In mun gwada da girma | Matsakaici (Yashi, porosity) | Babban (Zai fi kyau a ƙarƙashin injin / atm) |
Zafin Magani | Talakawa (Pores na ciki yana haifar da birgima) | Yayi kyau | Yayi kyau | Ya dogara da duka & lahani | Yayi kyau |
Abubuwan da ake Aiwatar da su | Akasarin al, Zn, MG Alloys; wasu tare da | Akasarin alloys; wasu MG Alloys | Akasarin al, Cu Alloys; wasu baƙin ƙarfe, Mg | Kusan duk karafa (Fe, Karfe) | Kusan duk karafa (karo. SurferLloys, karfe) |
Yawan dace | Babban girma | Matsakaici zuwa Babban Volumpray | Matsakaici zuwa Babban Volumpray | Guda yanki, Low zuwa babban girma | Low zuwa matsakaici girma |
Zabi na Casting tsari ya dogara da daidaita daidaiton takamaiman aikace-aikacen.
Babban matsin lamba ya mutu fasaha yana ci gaba, Tare da mahimman abubuwa ciki har da:
Babban Matsi na Mutuwar Casting (HPDC), a matsayin mai matukar tasiri, madaidaitan fasahar masana'antu wanda zai iya yin taro-samar da sassan karfe, Yana riƙe da wani wuri mai ba da izini a cikin masana'antar zamani.
Duk da iyakance kamar manyan zuba jari da kuma sauk isowa don pamorci, Mahimmanci da fa'idodi a cikin ingancin samarwa, daidaiton girma, kuma tasiri-tasiri a manyan kundin ya haifar da yaduwar aikace-aikace a duk abin hawa, kayan lantarki, kayan masarufi, da sauran sassan da yawa.
Tare da ci gaba ci gaban fasaha da sababbin abubuwa a cikin kayan, matakai, sarrafa kansa, da hankali, HPDC ya shirya don ci gaba, Bayar da mafi kyawun mafi kyawun mafita ga masana'antar masana'antu.
Bar Amsa