1. Dɔwɔɖoɖowo me dzodzro
(1) Esiakpakpaluʋui ƒe ʋuƒoƒe wɔwɔme le abe abolo ene si le gota, wotsɔa akɔta 8 siwo doa ŋusẽe doa ka kple do ememetɔa eye wodoa alɔe, do si le etame Φ620 la doa ka kple do ememetɔa, eye do susɔea levalvene wotu, kea ƒe akpa si le eme la ɖɔɖɔɖo sesẽ eye wòle bɔbɔe be wòatrɔ. Ya si dona le eme kple doa me kɔklɔ siaa hea kuxi gãwo vɛ, abe alesi woɖee fia le Nɔnɔmetata 1 lia me ene.
Gli ƒe titrime si le nusiwo wotsɔ ƒo ƒui ŋu toa vovo ŋutɔ, gli ƒe titrime si sɔ gbɔ wu ɖoa 380mm, eye gli ƒe titrime suetɔ nye 36mm ko. Ne wotsɔ nusi wotsɔ ƒu gbe la sesẽ la, dzoxɔxɔ ƒe vovototoa lolona, eye ʋuʋudedi si mesɔ o ate ŋu ahe ʋuʋudedi ƒe dowo kple ʋuʋudedi ƒe ʋuʋudedi ƒe gbɔdzɔgbɔdzɔwo vɛ bɔbɔe, si ana tsi nage ɖe eme le hadrolik dodokpɔa me.
2. Dɔwɔwɔ ƒe ɖoɖowɔwɔ:
(1) Woɖe afisi mamã le la fia le Nɔnɔmetata 1. De nuwuƒea kple dowo ɖe aɖaka si le etame la dzi, wɔ ke blibo aɖe ɖe titina doa me, eye nàdidi kea ƒe ta wòasɔ nyuie be wòana ke ƒe akpaa nabla eye kea ƒe ʋuʋu nanɔ bɔbɔe ne wotrɔ aɖakaa. Li ke, do eve siwo me ŋkuagbãtɔ le le axadzi ƒe cantilever core ta ƒe didime didi wu doa ƒe didime, ale be ke bliboa ƒe nuheŋusẽ ƒe titina nɔa akpa si le kea ƒe ta ƒe axadzi be wòakpɔ egbɔ be kea ƒe nugbɔ le teƒe ɖeka eye wòli ke.
Woxɔa tsikɔwutike si wotu afã kple afã, ∑F le eme: ∑F le tsia dzi: ∑F dzɔdzɔe=1:1.5:1.3, sprue la zãa anyikpe si ƒe didime le ememe nye Φ120, eye wotsɔa 200×100×40mm brik siwo me dzoxɔxɔ mele o ƒe kakɛ eve dana ɖe ete be gayibɔ si wotsɔ ƒo ƒu la nagatrɔ tẽ o Le impact sand mold gome la, wotsɔa 150×150×40 foam ceramic filter dea duƒula la gɔme, eye wozãa ceramic tubes 12 siwo ƒe didime le ememe nye Φ30 na ememe duƒula la be wòatsɔ aƒo ƒu ɖe casting la ƒe gɔme sɔsɔe to tsi nuƒoƒoƒu ƒe tsidzɔƒe si le filter la gɔme be wòawɔ bottom pouring pouring scheme, abe alesi woɖee fia le Figure 2 Essence me ene
(3) De do 14 ∮20 do siwo me do le la me le etame mɔ̃a me, da Φ200 ke ƒe nuto me yadoƒe ɖe nuto ƒe ta titina, da gayibɔ fafɛ ɖe akpa siwo le kpekpem kple gãwo me be woakpɔ egbɔ be nusi wotsɔ ƒoe la sesẽ le mɔ si da sɔ nu, eye nàzã graphitization kekeɖenudɔwɔwɔ ƒe gɔmeɖose atsɔ ate fli ɖe eme Wozãa nuɖuɖudzikpɔmɔ̃a tsɔ naa dɔwɔwɔ ƒe kutsetsea nyona ɖe edzi. Sand-ɖaka ƒe lolome nye 3600×3600×1000/600mm, eye wotsɔ gakpo si ƒe titrime nye 25mm ƒoe be wòakpɔ egbɔ be ŋusẽ kple sesẽ si sɔ, abe alesi woɖee fia le nɔnɔmetata 3 me ene.
3. Dɔwɔnawo dzi kpɔkpɔ
(1) Kpɔɖeŋuwɔwɔ: Hafi nàwɔ kpɔɖeŋu la, zã Φ50×50mm ƒe kpɔɖeŋu si woɖo ɖi nàtsɔ ado resin sand ƒe nutete ƒe ŋusẽ kpɔ ≥ 3.5MPa, eye nàbla gayibɔ fafɛa kple duƒula la sesĩe be nàkpɔ egbɔ be ŋusẽ si sɔ le ke ƒe aŋea ŋu be wòaxe mɔ ɖe graphite si dona ne gayibɔ si wofa la sesẽ Chemical kekeɖenudɔa nu, eye nàxe mɔ na gayibɔ si wofa la be wòagadze duƒula ƒe akpaa dzi ɣeyiɣi didi aɖe o be wòana ke naklɔ.
Nu vevi wɔwɔ: Wotsɔa akɔtaɖonu 8 siwo doa ŋusẽ ke la ma ɖe akpa 8 siwo sɔ me, siwo wotsɔ doa ka to titinadoa me. Kpekpeɖeŋu kple yaƒoƒo ƒe akpa bubu aɖeke meli o negbe titina ƒe ta la ko. Ne womate ŋu aɖɔ sand core la ɖo o eye Exhaust, sand core displacement kple ya dowo adze le ekɔklɔ vɔ megbe. Esi kea ƒe teƒe bliboa lolo ta la, womae ɖe akpa enyi me. Ele be ŋusẽ kple sesẽ nanɔ eŋu ale gbegbe be wòakpɔ egbɔ be kea ƒe nuto magblẽ le aŋɔ ƒe dodo vɔ megbe o, eye magblẽ le ekɔklɔ vɔ megbe o. Deformation dzɔna, ale be woakpɔ egbɔ be gli ƒe titrime nasɔ kple nusi wotsɔ ƒoe. Le susu sia ta la, míewɔ ƒu vevi aɖe etɔxɛe, eye míetsɔ ka si me ya tona blae ɖe ƒu vevitɔa dzi be wòahe ya si dona le ƒua ƒe ta me be wòakpɔ egbɔ be ke ƒe aŋɔa le ƒoƒom ne míele nu vevi la wɔm. Abe alesi woɖee fia le Nɔnɔmetata 4 lia me ene.
. Ne èƒu vɔ la, tsɔ magnesium-ta si me aha le (Baume degree 35-45) da akpa evelia be nusi wotsɔ ƒoe la nagalé ɖe ke ŋu eye wòagaƒo, si womate ŋu akɔ o. Wotsɔa M25 gavi etɔ̃ ƒoa nu vevi ta ƒe akpaa ɖe Φ200 gakpo ƒe pɔmpi si le ƒu vevi la ƒe xɔtuɖoɖo vevitɔ ŋu, wotsɔa gavi etɔ̃ siwo wotsɔa gavi wɔe si le etame si wotsɔa aŋe wɔe si ŋu gavi ƒe nutrenuwo le la blaa woe eye wolénɛ ɖe te eye wokpɔnɛ ɖa be akpa ɖesiaɖe ƒe gli ƒe titrime sɔ hã.
4. Melting kple kɔklɔ ƒe ɖoɖo
(1) Zã Benxi low-P, S, Ti high-quality Q14/16 # ha ƒe gayibɔ, eye nàtsɔe akpe ɖe eŋu le 40% ~ 60% ƒe xexlẽme nu; trace elements abe P, S, Ti, Cr, Pb, kple bubuawo le sesẽe le gakpo gbadzɛwo me, eye womeɖe mɔ ɖe gbeɖuɖɔ kple ami aɖeke ŋu o , kpeɖeŋutɔ ƒe xexlẽme nye 25% ~ 40%; ele be woatsɔ tudada akɔ charge si wogbugbɔ ɖo la ŋu hafi azãe be woakpɔ egbɔ be charge la le dzadzɛ.
(2) Nu vevi akpa dzikpɔkpɔ le dzodoƒe megbe: C: 3.5-3.65%, Si: 2.2%-2.45%, Mn: 0.25%-0.35%, P≤0.05%, S: ≤0.01%, Mg (nu susɔe): 0.035% ~ 0.05%, le susu si nye be woakpɔ egbɔ be spheroidization, si nye Mg ƒe seɖoƒe si le anyime la te (residual) ele be woano alesi woate ŋui.
(3) Spheroidization inoculation atikewɔwɔ: wozãa spheroidizers siwo me magnesium mele o kple esiwo mebɔ o siwo mebɔ o, eye wotsɔe kpe ɖe eŋu ƒe xexlẽme nye 1.0% ~ 1.2%. Mɔnu si wozãna ɖaa tsɔ klɔa spheroidization, wotsɔa atike si wodona zi ɖeka ƒe 0.15% tsyɔa nodulizer si le agbalẽvi la te dzi, eye wowua spheroidization nu. Emegbe wowɔa dɔ na slag la hena evelia ƒe atike si nye 0.35%, eye wowɔa flow inoculation si nye 0.15% le ekɔklɔɣi.
(5) Woxɔ dzoxɔxɔ si bɔbɔ kabakaba kɔklɔ ƒe ɖoɖo, kɔklɔ ƒe dzoxɔxɔ nye 1320 ° C ~ 1340 ° C, eye kɔklɔ ɣeyiɣi nye 70 ~ 80s. Womate ŋu atɔ te gayibɔ si wofa la le ekɔklɔ me o, eye sprue-kplu la yɔna ɣesiaɣi be gas kple nusiwo wotsɔ de eme la nagage ɖe aŋɔa me to duƒula la dzi o. do si me do le.
5. Casting dodokpɔ me tsonu
(1) Do tensile ŋusẽ si le cast dodokpɔ block: 485MPa, elongation: 15%, Brinell sesẽ HB187.
(2) Spheroidization ƒe agbɔsɔsɔme nye 95%, graphite ƒe lolome nye grade 6, eye pearlite nye 35%. Woɖe ga ƒe wɔwɔme fia le Nɔnɔmetata 5 lia me.
(3) Womekpɔ gbɔdzɔgbɔdzɔ aɖeke si woate ŋu aŋlɔ ɖi le UT kple MT ƒe akpa veviwo ƒe vodada evelia didi me o.
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(6) 20kg/cm2 tsi ƒe nyaƒoɖeamenu dodokpɔ le dɔwɔwɔ vɔ megbe meɖe tsi aɖeke si le dodom fia o
6. Nyataƒoƒo
Le kpakpaluʋui ƒe ʋuƒo sia ƒe wɔwɔme ƒe nɔnɔmewo nu la, wokpɔa kuxi si nye be ke gã si le titina la ƒe tɔtrɔ si meli ke o eye wònɔa bɔbɔe eye ke kɔklɔ sesẽ la gbɔ to gbetete ɖe alesi wowɔa dɔa ƒe ɖoɖoa dzi, kea ƒe ƒuƒoƒoa wɔwɔ kple edzadzraɖo kpakple nusiwo wotsɔ zirconium wɔe zazã me. Do siwo me woɖea ya le ƒe ɖoɖowɔwɔ ƒoa asa na ʋuʋudedi siwo ate ŋu anɔ nusiwo wotsɔ ƒua gbe me. Tso dzodoƒe ƒe agbadzikpɔkpɔ kple duƒula ƒe ɖoɖoa dzi la, wozãa foam ceramic filter screen kple ceramic ingate mɔ̃ɖaŋununya tsɔ kpɔa egbɔ be gayibɔ si wofa la le dzadzɛ. Le atikewɔmɔnu geɖe megbe la, gaŋutinunya ƒe wɔwɔme si le castings kple vovovowo Dɔwɔwɔ bliboa ɖo asisiwo ƒe nudidiwo gbɔ
TsoTianjin Tanggu Tsi-nutrenu ƒe ʋuƒo Co.,ltd. Kpakpaluʋui ƒe ʋuƒo, agbonudzɔƒe ƒe ʋuƒo, . Y-ʋuʋudedi, wafer eve agbalẽvi ƒe ɖaseɖigbalẽvinuwo wɔwɔ.
Ɣeyiɣi si woɖoe ɖe amewo: Apr-29-2023
