1. Binciken Tsarin Tsara
(1) wannanmalam buɗe idoyana da tsarin cofen madauwari, an haɗa rufin ciki da goyan bayan karfin 8 na karfafa rami, a saman φecy yana magana da rami na ciki, sauran kumabawulAn rufe, sanɗin yashi yana da wuya a gyara kuma mai sauƙin lalacewa. Dukansu sha da tsabtatawa na ciki gurbata kawo manyan matsaloli, kamar yadda aka nuna a hoto 1.
Bangon kauri daga cikin motocin suka bambanta sosai, iyakar katanga ya kai 380mm, kuma mafi ƙarancin bangon bango ne kawai 36mm. Lokacin da aka tabbatar da simintin salla, bambancin zafin jiki babba ne, da kuma rashin daidaituwa na iya samar da lahani na shrinkage, wanda zai haifar da lokacin gwajin hydraulic.
2. Tsarin tsari:
(1) An nuna m farfajiya a cikin Hoto na 1. Sanya ƙarshen tare da ramuka a cikin babba akwatin, kuma tsawaita cibiya a kai don sauƙaƙe murfin yashi lokacin da akwatin ya juya. Tsawon tsoro, tsawon cantile shugaban ramuka na makafi guda biyu a gefe yana da tsayi da kuma tabbatar da cewa Core Core an gyara shi kuma ya tabbata.
An rufe tsarin da aka rufe, σf a ciki: σf madaidaiciya ana sanya baƙin ƙarfe tare da diamita na ciki don magance ƙwayar yashi, 150 × 400 × 40 tace ra0 is installed at the bottom of the runner, and 12 ceramic tubes with an inner diameter of Φ30 are used for the inner runner to connect evenly to the bottom of the casting through the water collection tank at the bottom of the filter to form a bottom pouring pouring scheme, as shown in Figure 2 Essence
(3) Sanya ramuka 14 ∮20 kogon iska a cikin babba m, sanya shi a kan hanyar fadakarwa a tsakiyar hanyar ana amfani da shi don inganta yawan amfanin ci. Girman sandunan sandar shine 3600 × 3600 × 3000 / 600mm, kuma an walding tare da mmm lokacin farin ciki farantin karfe don tabbatar da farantin karfe, kamar yadda aka nuna a hoto na 3.
3. Gudanarwa Gudanarwa
(1) Modeling: Kafin yin zane, yi amfani da × 50mm Standard samfurin don gwada haɓakar ƙwayoyin cuta da ke haɓaka sashin mai gudana na ɗan lokaci don haifar da wankewa.
Core yin: sandar sandar ya kasu kashi 8 cikin sassan daidai da hakashin maidodin 8, waɗanda suke da alaƙa ta tsakiyar rami. Babu sauran bangarorin tallafi da kuma ƙurar iska sai tsakiyar Core. Idan ba za a iya gyara kasan ba kuma shaye-shaye, yashi mai laushi da ramuka na iska zai bayyana bayan zubar. Saboda yankin gaba ɗaya na sandar sandar shine babba, an raba shi zuwa sassa takwas. Dole ne ya sami isasshen ƙarfi da ƙarfi don tabbatar da cewa sandar yashi ba za ta lalace bayan sakin da aka saki ba, kuma ba za a lalace ba bayan zubar. Dorinar halittar ta faru, don don tabbatar da suturar rigar ta kauri daga cikin simintin. A saboda wannan dalili, mun yi ta musamman ce ta musamman, kuma mun ɗaure shi a kan coe kashi tare da igiya ta ƙya don tabbatar da hadayar gas daga cikin ƙwararren yashi yayin yin ainihin. Kamar yadda aka nuna a hoto na 4.
(4) Akwatin rufewa: la'akari da cewa yana da wuya a tsaftace yashi a cikin rami na ciki na fenti biyu, digiri na farko na fenti biyu, an fentin farkon fenti biyu, an fentin farkon fenti biyu da ƙone. Bayan bushewa, fenti da na biyu Layer tare da barasa-magnesium fenti (bale) 35-45) don hana jefa daga m m m da ake iya tsabtace. Cufen ɓangaren ɓangaren an rataye shi akan duk bututun ƙarfe na babban sashi tare da akwatunan yashi na m25, gyarawa kuma an kulle shi tare da murfin dunƙule da aka bincika kowane bangare na kowane bangare shine uniform.
4. Melting da zuba tsari
(1) Yi amfani da Benxi low-p, s, ti high-quality Q14 / 16 # baƙin ƙarfe Iron, kuma ƙara shi a wani rabo na 40% ~ 60%; gano abubuwa kamar p, s, ti, cr, pb, da sauransu sarrafawa a cikin karfe scrap, kuma babu tsatsa da mai, ƙari mai yawa shine 25% ~ 40%; Dole ne a tsabtace cajin da aka harba ta hanyar harbi don tabbatar da tabbatar da tsabta na cajin.
(2) Babban kayan sarrafawa bayan tanden: c: 3.5-65%, Si: 2.05%, PE: 0.05%, PE: 0.05%, a karkashin tsarin tabbatar da mg (saura) ya kamata a ɗauka gwargwadon iko.
(3) Beteriozed inoculation magani: Ana amfani da ƙananan ƙwayar magnesium da ƙarancin ƙasa, kuma ƙari rabo shine 1.0% ~ 1.2%. Hanyar Hanyar Flushle ta fili, 0.15% na-lokaci-lokaci ana rufe shi akan nodulizer na gaba a kasan kunshin, kuma an gama selerioveization. Daga nan sai aka sanya slag din don inoculation na biyu na 0.35%, da kuma kwararan inoculation na 0.15% ana za'ayi lokacin zubar.
(5) Karancin zafin jiki da aka zuba ruwa mai zubawar zazzabi ana ɗaukar shi, mai zub da zazzabi shine 1320 ° C ~ 1340 ° C, da kuma lokacin zubar da ruwa shine 70 ~ 80 ~ 80s. Ba za a iya katse baƙin ƙarfe a lokacin zubar da ruwa ba, kuma ƙwanƙwasa kofin yana cike da hana iskar gas da incrusions daga abin da ya kunnawa. rami.
5. Sakamakon gwajin gwaji
(1) Gwada ƙarfin ƙarfin toshewar gwajin Cast: 485pta, elongation: 15%, Brinell Hardness HB187.
(2) Mulki na zamani shine 95%, girman hoto yana daraja 6, kuma lu'ulu'u shine 35%. An nuna tsarin ƙarfe a cikin Hoto na 5.
(3) Ba a sami cikakkun lahani a cikin ut da kuma gano yanayin rashin daidaituwa na sassan mahimman sassan ba.
(4) Bayyanar tana da laushi da santsi (duba Hoto na 6), ba tare da lahani na 6 ba kamar ƙwayoyin yashi, da sauransu, kauri ya cika bukatun zane.
(6) 20kg / cm2 hydraulic gwajin matsa bayan aiki bai nuna wani yanki ba
6. Kammalawa
Dangane da halaye na wannan malam buɗe ido, matsalar rashin kwanciyar hankali da sauki an magance ta ta jaddada sanduna da yashi. Saitin daga cikin ramuka na kawar da yiwuwar pores a cikin sansan. Daga wutar lantarki da tsarin mai gudu, allon kumfa, allon kumfa da ake amfani da fasahar ta hanyar tabbatar da tsarkakakken ƙarfe baƙin ƙarfe. Bayan maganganun da yawa na inoculation, tsarin metallographat da kuma daban-daban cikakken batun ya kai daidaitattun bukatun abokan ciniki
DagaTianjin Tango ruwa-seve vawve Co., Ltd. Malam buɗe ido, bawul kofa, Y-strainer, wafer dual dual pole duba bawulkera.
Lokaci: APR-29-2023
