Uzwa 'i-sodium silicate sand casting' futhi izingqondo eziningi zigxumela ngqo kunqubo ye-CO2. Yilokho okwakudala, okukhona kuzo zonke izincwadi zokufunda. Vuthela igesi, thola isikhunta esiqinile, uthele. Kodwa uma uhlezi phansi isikhathi eside, uyazi ukuthi lowo ngumnyango nje. Ingxoxo yangempela iqala ngezibophelelo, ukuphuka, nokwethembeka okunonya mayelana nokuthi kukhanya nini nalapho kubuhlungu ngokuphelele ukuphuma. Akuyona indlela yeqhinga elilodwa, futhi ukuyiphatha njengenye yilapho izitolo eziningi, ikakhulukazi ezintsha, zishisa iminwe ngamanani alahliwe kanye nezindleko zokuhlanza.
I-Binder Reality: Akuyona Nje Ingilazi Yamanzi
Ukuyibiza ngokuthi 'ingilazi yamanzi' kuyenza ibe lula ize idukise. Yebo, i-sodium silicate, kodwa i-modulus-isilinganiso se-SiO2 kuya ku-Na2O-yikho konke. I-high modulus binder isetha ngokushesha, inikeza amandla angcono, kodwa onkulunkulu, ukubuyisela. Uma uhlelo lwakho lwesihlabathi lungasethelwe lona, uzobe uthenga isihlabathi esisha ngeloli ngoba ukuphuka kubi. Lokhu sikufunde kabuhlungu emsebenzini osethathe isikhathi eside wezindlu ezithile zamaphampu. Kwakusetshenziswa umshini wokuhlanganisa ovamile ongekho eshalofini, futhi ngemva kwemijikelezo emithathu, isihlabathi sasifana nezigaxa zikasimende. Kwadingeka ukulahla lonke iqoqo. Manje sisebenzisana eduze nomhlinzeki wethu wamakhemikhali ukuze silungise i-modulus ngokusekelwe kungxubevange nobunkimbinkimbi. Ngokusakazwa kwensimbi yesigaba esisindayo, ungase ufune ukwakheka okuhlukile kune-ayoni ye-ductile iron. Akuyona impahla; iresiphi.
Bese kuba khona indlela yokuqinisa. I-CO2 yingane yephosta, kodwa ijwayele ukushutha igesi ngokweqile. Uthola udoti olunoboya, olumhlophe endaweni yesikhunta uma ungaqondile—i-carbonation. Ichitha isiphetho esingaphezulu. Ngemisebenzi ebucayi, sashintshela ku-ester harding eminyakeni edlule. Uxuba i-ester ewuketshezi nesihlabathi esiboshwe nge-silicate, futhi ihlala ngesikhathi sayo. Ikunikeza amandla afanayo kakhudlwana, indawo engcono, futhi ngokungagwegwesi, ukulawula okwengeziwe. Ukuhwebelana? Usebenza ngokumelene newashi uma selixubile. Yengeza ungqimba lokuhlela indlela ye-CO2 elula engenakho. Awukwazi ukuvele uhlanganise ithani bese uliyeka lihlale.
Yilapho iminyaka engu-30-odd in the game, like what you see at a firm like I-Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), izindaba. Babone uguquko ukusuka ku-CO2 ukuya kulezi zinqubo ezilawulwa kakhulu. Emsamo wabo, tsngtaocnc.com, babhala uhlu lwamagobolondo nokutshala imali phambili, kodwa umba kancane emandleni abo futhi uyazi ukuthi isitolo esinalowo mlando kuye kwadingeka sibambene nezisekelo zokuphonsa isihlabathi, okuhlanganisa izinqubo ze-sodium silicate, ikakhulukazi emisebenzini yabo emikhulu noma eyodwa yensimbi ne-alloy. Ukukhetha isistimu yokuhlanganisa akuyona imfundo; yilokho okuhlukanisa ukulingwa okuhlanzekile nephupho elibi legumbi lokuhlanza.
I-Reclamation Headache: Izindleko Ezingakhulunywa
Akekho okhuluma ngokubuyiselwa kwesihlabathi ngokwanele uma ekuthengisa ngezici 'eziluhlaza' zokuhlanganisa i-silicate. Ayiphilanga, ayikho intuthu embi ngesikhathi sokuthululwa, okuyiqiniso kanye nokuhlanganisa okukhulu. Kodwa isihlabathi esichithiwe siyidwala. Ukubuyiselwa kabusha kwemishini ngokuvamile akwanele; udinga ukuvuselelwa okushisayo ukuze uphule ngempela lezo zibopho ze-silicate. Lokho kuyizindleko ezinkulu. Uma umthamo wakho ungakuthetheleli, ubheka izindleko zokulahla kanye nezindleko zesihlabathi ezidla emalini yakho.
Sasebenzisa izinombolo emsebenzini wosayizi ophakathi wabakaki bemishini yezimayini. Ukubunjwa kwakukuhle, kunamandla njengenkabi. Kodwa ukuhlanza ... amahora okugaya. Nesihlabathi? Sazama ukuyichoboza futhi siyisebenzise kabusha, kodwa i-LOI (Loss on Ignition) yadubula, futhi ukusatshalaliswa okusanhlamvu konakaliswa. Kuthinte ukugeleza nokuqedwa eqeqebeni elilandelayo. Sagcina ngokuthatha i-hit ukuze sisuse isihlabathi esisetshenzisiwe. Kwakuyisifundo: i-sodium silicate ayilona uhlelo lwesihlabathi olumisiwe bese ukhohlwa njengezinqubo ezithile eziboshiwe nge-resin. Kufanele uhlelele umjikelezo wayo wokuphila wonke esitolo sakho.
Lokhu kucatshangelwa okubalulekile kwe-multi-process Foundry. Inkampani efana QSY, ephatha yonke into kusukela ekutshalweni kwezimali okuyinkimbinkimbi kuya ekwenzeni imishini esindayo, kufanele yenze izinqumo zamasu. Bangase bagcine ukuphonswa kwesihlabathi se-sodium silicate ukuze benze izinhlelo zokusebenza ezithile lapho amandla aso aphezulu kanye nokuzinza kwe-dimensional komumo abakhulu, abalula bedlula ubunzima bokubuyisela, futhi basebenzise ukubumba kwegobolondo ukuthola izingxenye eziyinkimbinkimbi, ezinevolumu ephezulu. Kumayelana nokuhlanganisa inqubo engxenyeni, hhayi ukuphoqelela inqubo eyodwa ukwenza yonke into.
Lapho Izuza Khona Ukuzigcina: I-Heavyweight Champion
Pho kungani uzihlupha? Ngoba emisebenzini ethile, akukho okunye okuqondile noma okungabizi kakhulu. Izinsimbi ezinkulu, eziphuma kanye noma ezinevolumu ephansi. Cabanga ngezisekelo zamathuluzi omshini, izikhala ezinkulu zamagiya, noma amafreyimu emishini esindayo. Udinga amandla amakhulu okubumba ukuze ubambe isisindo sensimbi ngaphandle kokuguqulwa, futhi udinga isikhunta esingakhiqizi igesi eningi lapho insimbi iyishaya. Isihlabathi se-sodium silicate, ikakhulukazi esinokuqina kwe-ester, siletha lokho. Ukunemba kobukhulu kuhle enqubweni yesihlabathi, futhi ukuntuleka kwentuthu yemvelo kusho ukuthululwa okuphephile kanye nokukhubazeka okumbalwa okungaphansi komhlaba.
Ngikhumbula umsebenzi wokwenza ifreyimu yengosi yensimbi ene-alloy ephansi, enesisindo esingamathani angu-8. Sisebenzise isistimu ye-furan resin emzamweni wokuqala. Isikhunta saqhekeka ngenxa yokushisa okukhulu. Ishintshele ku-silicate ye-sodium elungiswe kakhulu, enemodulus ephezulu ene-ester esethwe kancane. Kwathatha isikhathi eside ukulungisa isikhunta, kodwa sabambelela. Ukuthela kwakuhlanzekile, futhi ukubunjwa kwakudinga ukulungiswa okuncane kakhulu kwe-weld. Leyo yindawo yayo emnandi: amandla anonya nokuzinza lapho ezinye izinhlelo zesihlabathi zingase zintengantenge ngaphansi kwengcindezi yokushisa.
Lokhu kuhambisana nobungcweti bezinto ezibonakalayo ongabuthola ku-opharetha osenesikhathi eside ukhona. Ukusebenza ngezinsimbi nama-alloys akhethekile—njengalawo asekelwe ku-nickel nasekelwe ku-cobalt okukhulunywe ngawo ku. QSYIphothifoliyo ye-'s-imvamisa ifuna izinto zokubumba eziqine ngokulinganayo futhi ezingenasici. Ukuthela i-high-temperature superalloy esikhunjeni esingase sibe negesi noma siphendule kuyindlela yokwenqaba. Imvelo ye-inorganic yesikhunta se-sodium silicate eselashwe kahle iba impahla enkulu lapha.
I-Surface Finish Trade-off and Machining
Masikhulume ngokungagwegwesi: awukhethi ukufakwa kwesihlabathi se-sodium silicate ukuze kuqedwe isibuko. Uthola indawo ehloniphekile, kodwa elukhuni. Kukhona njalo ukucwebezela, uhlobo lwesikhumba esiyingilazi, esakhekayo. Kunzima. Ilungele ukumelana nokugqoka engxenyeni yokugcina, kodwa isihogo kumathuluzi okusika uma ungawabali. Abalingani bakho bemishini badinga ukwazi lokhu. Awukwazi ukuvele ubathumelele umbhalo kanye nokulingisa; udinga ukucacisa inqubo ukuze bakwazi ukuhlela izindlela zabo zamathuluzi futhi bafake ngokufanele.
Yilapho amandla omshini odidiyelwe eyi-godsend. Lapho i-Foundry nesitolo somshini zingaphansi kophahla olulodwa, noma ziqondaniswe eduze njengoba zinjalo I-Qingdao Qiangsenyuan Technology Co., Ltd., iluphu yempendulo iqinile. Ithimba lemishini lazi kahle ukuthi yini evela kumugqa we-sodium silicate: balindele isikali sobuso obuqinile futhi bahlele izinhlelo zabo ze-CNC ngakho. Bangase basebenzise ukuphasa okunolaka kakhulu noma ukufakwa kwamazinga athile. Lolu lwazi lwangaphakathi luvimbela umdlalo wokusola phakathi kokulingisa nokwenza imishini lapho ithuluzi liguga ngaphambi kwesikhathi. Konke kuyingxenye yesibalo esifanayo sezindleko nekhwalithi.
Umcabango Wokugcina: Ithuluzi Lochwepheshe, Hhayi Okuzenzakalelayo
Ekugcineni, ukukhishwa kwesihlabathi se-sodium silicate kunamandla, kwesinye isikhathi kunenkani, uchwepheshe kukhithi yamathuluzi ye-Foundry. Akuyona inqubo yesihlabathi ezenzakalelayo. Inani layo liyavulwa uma udinga leyo nhlanganisela yamandla aphezulu, ukuzinza kwe-dimensional kumafomu amakhulu, kanye nesikhunta esingenakhemikhali esingasebenzi kahle sama-alloys afunayo. Izingibe—ukulungiswa kabusha kwesihlabathi, ukuphela kwendawo, kanye nesidingo sokulawula inqubo enembile—zingokoqobo futhi zidinga ukuhlonishwa.
Izitolo eziyisebenzisa kahle, lezo ezinamashumi eminyaka okwenza amaphethini nolwazi lwe-metallurgical, ziyiqonda njengesistimu. Badlule kuqhinga eliyisisekelo le-CO2 futhi bangena kukhemistri ehlanganisiwe yokuhlanganisa nezindlela eziqinisayo. Balinganisele inani eliphelele lezindleko, ukusuka esihlabathini ukuya ekunyakazeni ukuya ekusikeni komshini wokuqala. Ngochwepheshe wezinqubo eziningi ogxile ezintweni ezidingekayo, njengoba kuchaziwe tsngtaocnc.com, ihlala iyinketho ebalulekile, uma ngezinye izikhathi ingabongwa kancane, yokuletha ukusakaza okuqinile, okuthembekile lapho kubalwa khona.
Ngakho ngokuzayo lapho othile ekhuluma ngakho, ungacabangi nje ngomdwebo wencwadi yokufunda. Cabanga ngesikhunta esiqinile esiphansi, esilinde ithani lensimbi encibilikisiwe, kanye nazo zonke izinqumo ezicashile ezisithole lapho—kanye nawo wonke umsebenzi ozolandela ukuze sibe ingxenye eqediwe. Isithombe sangempela leso.
