Lapho abantu abaningi bezwa 'insimbi ejikijelwe ngamandla adonsela phansi,' babona ngeso lengqondo ukuthelwa nje kwensimbi esikhunjeni sesihlabathi. Leso yisiqalo esivamile, kodwa ekusebenzeni, ikakhulukazi ezingxenyeni ezidinga ubuqotho bangempela besakhiwo, yilapho ubunkimbinkimbi buqala khona. Igama ngokwalo lingase lidukise—aligcini nje ngensimbi namandla adonsela phansi; imayelana nokuqiniswa okulawulwayo, ukwakheka kwesikhunta, nokuphatha izici ezingokwemvelo zensimbi ngendlela ezinye izinqubo ezifana ne-high-pressure die-casting ezingakwazi ukuthinta kwezinye izinhlelo zokusebenza. Ngibone imidwebo eminingi kakhulu iza ne-spec ye-'cast iron' kanye nenqubo yokubiza 'i-gravity casting' ngaphandle kokuqonda okucacile kokuhwebelana. Umcabango uvame ukuthi kuyinqubo eshibhile, yamakhono aphansi. Kungehlisa izindleko, yebo, kodwa ukuwenza kubi kuyabiza, futhi ukukulungisa kudinga ulwazi olunzulu lwenqubo olungabonakali ngokushesha.
Umnyombo Wenqubo: IseMbunjeni kanye Nensimbi
Umehluko wangempela ngekhwalithi uqala kudala ngaphambi kokuba i-ayini ishaye ileli. Isesikhunjeni. Okokubumba igobolondo, okuthandwa yinkampani I-Qingdao Qiangsenyuan Technology Co., Ltd. (QSY) inokuhlangenwe nakho okujulile, isikhunta ngokwaso siyinhlanganisela ye-resin-sand eselashiwe. Indawo engaphezulu iphakeme kunesihlabathi esiluhlaza, futhi ukunemba kobukhulu kuqinile. Kodwa ekusakazeni amandla adonsela phansi, isimiso sesango—leyo migudu eqondisa insimbi encibilikisiwe—yiyo yonke into. Awuphoqi insimbi ngaphansi kwengcindezi; uthembele kumandla adonsela phansi kanye nokucindezela komkhathi ukuze ugcwalise umgodi. Uma amasango engalungile, uthola ama-mistruns noma ukugeleza kwesiphithiphithi okudonsa ama-oxide engxenyeni, okudala amaphuzu abuthakathaka. Ngikhumbula inqwaba yemizimba yama-valve asebenza ngogesi lapho sasinokuncipha okuqinile kwe-porosity engxenyeni ewugqinsi. Ukulungiswa bekungelona izinga lokushisa eliphezulu lokuthulula; yayiklama kabusha isango ukuze kuthuthukiswe ukuqiniswa kokuqondisa ngasesikhuphukeni esingase sisinqamule kamuva. Kwathatha izikhathi ezintathu.
Bese kuba nensimbi uqobo lwayo. 'Insimbi yokuphonswa' akuyona into eyodwa. Ngokuphonsa amandla adonsela phansi, insimbi empunga (i-flake graphite) kanye ne-ductile iron (i-spheroidal graphite) yizona ezivame kakhulu, kodwa ukuziphatha kwazo kuhlukene nomhlaba. I-iron empunga inokuwohloka okukhulu kanye nokusebenziseka kalula kodwa iyaphuka. I-Ductile iron inamandla aphakeme kakhulu okudonsa kanye nobude obuthile. Ukukhetha phakathi kwazo akukhona nje ukuhlola impahla eyimishini; kumayelana nendlela aqina ngayo. I-iron Ductile idinga ukwelashwa ngokucophelela kokujova ngaphambi nje kokuthela ukuze kuqinisekiswe ukuthi i-graphite yakha izinhlayiya. Uma lokho kwelashwa kufiphala (‘kunewindi’ elilinganiselwe), noma uma kunesulphur eningi kakhulu kunsimbi eyisisekelo, uthola igraphite ewohlokayo, nokusebenza kwengxenye kuyehla. Kuyinkinga yokulawula inqubo ebukhoma esitezi sokuqala, hhayi into ongayicacisa kumdwebo bese uyikhohlwa.
Yilapho ubudlelwano be-Foundry besikhathi eside bubalulekile. Umphakeli ophethe kokubili ukusakaza nokulandelayo CNC imishini, njenge-QSY yenza, inentshisekelo ebekiwe yokuthola umsindo wokulingisa zisuka nje. Bayazi ukuthi indawo eqinile evela ku-ayina ebandayo noma imbobo evuthela ngaphansi komhlaba izobhubhisa ithuluzi lokusika ngesikhathi somshini, iguqule ukuphonsa okubonakala kukuhle kube yizicucu. Ukulawulwa kwenqubo yabo yabo izingxenye zensimbi amandla adonsela phansi kuthinta ngqo ukusebenza kahle komnyango wabo wemishini. Iphoqa umbono odidiyelwe wokukhiqiza ongawutholi ngaso sonke isikhathi ku-Foundry ethela insimbi kuphela.
Lapho I-Gravity Casting Inengqondo (Futhi Lapho Ingenzi khona)
Awusebenzisi ukusakaza kwamandla adonsela phansi odongeni oluncane, izingxenye zabathengi ezinevolumu ephezulu. Leyo yindawo yokusakaza. I-Gravity casting's niche iyivolumu ephakathi kuya ephansi yezingxenye eziyinkimbinkimbi ngokuqhathaniswa, ezinokuqina kwezindonga ezihlukene, futhi ezidinga izici ezinhle zokukhanda. Cabanga ngezisekelo zemishini, izindlu zokumpompa, amakesi ebhokisi lamagiya esindayo, noma abakaki abakhulu kumishini yezimboni. Le nqubo ivumela ukusetshenziswa kwama-sand cores ukuze kwakheke amaphaseji angaphakathi—into enzima kakhulu ekudaleni ukufa. Isibonelo, ibhantshi langaphakathi lamanzi lekhanda le-compressor cylinder liyikhandidethi elidala.
Kodwa kunemodi yokwehluleka engihlangabezane nayo: ukuklama ngokweqile inqubo. Onjiniyela abasetshenziswa ukwenza izinto ezenziwe ngensimbi kwesinye isikhathi bazoklama ingxenye enezimbambo eziningi ezincane namawebhu ukuze kuncishiswe isisindo. Ku-gravity cast iron, lokhu kungaba inhlekelele. Izingxenye ezizacile ziphola ngokushesha kakhulu, zivimbela ukuncelisa okufanele kusuka ezikhuphukeni, okuholela kunethiwekhi yokushwabana okuncane. Ingxenye ingase iphumelele ekuhlolweni okubonakalayo kodwa yehluleke ngaphansi kokuhlolwa kwengcindezi noma isevisi. Isifundo siwukuthi ukuklama i-gravity cast iron kudinga ukuqonda imikhawulo ye-foundry—ubuncane bobukhulu obunconyiwe bodonga, indlela yokushintsha phakathi kwezingxenye eziwugqinsi nezincane, kanye nokuthi ungabeka kuphi ukuqinisa. Kungumzamo wokuklama ohlanganyelwe, hhayi nje ukuphonsa ukuphrinta odongeni.
Elinye iphuzu elisebenzayo yimisebenzi yangemuva kokusakazwa. Cishe bonke izingxenye zensimbi amandla adonsela phansi uzodinga ukwenziwa kwemishini ebusweni bokukhwelana, izimbobo zamabhawudi, nezindawo zokuvala. Isikhumba se-as-cast siqinile. I-Foundry ehlanganisiwe CNC imishini amakhono, njengoba kukhonjisiwe kuphrofayela yesevisi ye-QSY, engeza inani elibalulekile. Bangakwazi ukulungisa ingxenye besebenzisa izici ze-cast datum, baqonde ukuhlukahluka kwemvelo kokusakazwa, nomshini ubukhulu bokugcina ekusetheni okukodwa. Lokhu kunciphisa isikhathi sokuhola futhi kuqeda izinkinga zokuqondanisa eziphakama lapho ukulingisa nomshini kuhlukaniswa phakathi kwabathengisi ababili ngaphandle kokuxhumana.
I-Material Nuances kanye nombuzo we-alloy
Nakuba ama-ayina avamile ampunga kanye nama-ductile emboza izidingo ezingu-80%, ngezinye izikhathi udinga okunye okwengeziwe. Kulapho kuhlolwa khona ubuchwepheshe be-Foundry. Ukukhuluma kwe-QSY yokusebenza ngama-alloys akhethekile afana nalawo asekelwe ku-nickel kuyathakazelisa kulo mongo. Nakuba ingajwayelekile ezingxenyeni zensimbi ezijwayelekile zamandla adonsela phansi, igqamisa i-spectrum yamandla. Isibonelo, ingxenye ingase ibe nomzimba oyinhloko we-ductile iron kodwa idinga isihlalo noma indawo egugile enokugqwala okukhethekile noma ukumelana nokushisa. Ngezinye izikhathi, i-Foundry ingase yeluleke ngokusebenzisa insimbi ehlanganisiwe—njenge-Ni-Resist yokumelana nokugqwala noma insimbi ye-SiMo ductile ukuze kusebenze izinga lokushisa eliphezulu—esikhundleni sokugxumela endaweni ehluke ngokuphelele, ebiza kakhulu.
Inselele ngalezi zinto ezikhethekile ekubumbeni amandla adonsela phansi wuketshezi kanye nokuncipha. Ama-alloys asekelwe ku-nickel, isibonelo, anamazinga okushisa okuthela ahlukene namaphethini okuqinisa kune-ayoni. Ukuzithela ezibunjeni zesihlabathi ezidizayinelwe insimbi kungaholela ekugijimeni kabi noma ukudabuka okushisayo uma ukwakheka kwesikhunta namazinga okupholisa kungalungiswa. Akuyona inqubo oshintshela kuyo ngokuthanda kwakho; kudinga ukuthuthukiswa kwenqubo ezinikele. Lolu uhlobo lwamandla angemuva ahlukanisa isikhungo sesitolo semisebenzi nozakwethu wezobuchwepheshe. Iphakamisa ukuthi zihlonyiselwe ukuphatha imibuzo engajwayelekile, evamise ukuvela ekuhlulekeni kwenkundla yangempela yezinto ezijwayelekile.
Nokho, kumaphrojekthi amaningi, ukunamathela emabangeni ensimbi abhalwe kahle kuyindlela ehlakaniphile. Imininingo egciniwe yezinto ezibonakalayo ibanzi, imingcele yemishini iyaziwa, futhi izindleko ziyabikezelwa. Isihluthulelo sicacisa ibanga ngendlela efanele emdwebeni: hhayi nje i-ASTM A48 Class 35, kodwa futhi nesakhiwo esincane esidingekayo, ukwelashwa kokushisa okungenzeka (njengokukhulula ukucindezeleka ngemva kokusakazwa, okubalulekile ekuzinzeni komshini), kanye nanoma yikuphi ukuhlolwa okukhethekile njengokuhlola nge-radiographic ezindaweni ezibucayi. Lokhu kucaca kuvimbela ukungaqondakali futhi kuqinisekisa isisekelo-kungakhathaliseki ukuthi i-QSY noma enye-iyazi kahle ibha okudingeka bahlangabezane nayo.
Inzuzo Yokuhlanganisa: Ukusuka Isikhunta Kuya Engxenyeni Eqediwe
Ukucabangela uchungechunge olugcwele, ukusebenza kahle kwangempela ekukhiqizeni okuthembekile izingxenye zensimbi amandla adonsela phansi ivela ekuhlanganiseni okuqondile. Uma ibhizinisi elifanayo lilawula iphethini/ukwenziwa kwesikhunta, ukuncibilika nokuthela, ukwelashwa kokushisa, nomshini wokunemba, amaluphu empendulo mafushane. Umakhi ohlangabezana nendawo enzima angahamba abuyele kumphathi we-Foundry futhi ababonise. Bangakwazi ukubona ngokuhlanganyela uma ngabe bekuyinkinga yendawo ebandayo evela esikhunjeni noma ukungahambi kahle kwe-metallurgical. Lokhu kuxazululwa kwezinkinga okuhlanganyelwayo akunakwenzeka ngochungechunge lwempahla oluhlukene lapho iqembu ngalinye lisola elinye.
Umlando wenkampani oshiwo weminyaka engama-30 ekulingiseni nasekukhiqizeni imishini, njenge-QSY, ukhuluma ngokungagunci nalokhu kuhlanganiswa. Ngaleso sikhathi esibekiwe, ngokungangabazeki babone konke okungaba khona iphutha kanye nemodi yokwehluleka. Lolo lwazi lwesikhungo luhumushela ekuhleleni inqubo engcono kusenesikhathi. Bayazi, ngokwesibonelo, indlela yokuqondisa ingxenye eyinkimbinkimbi ekubunjweni ukuze kuncishiswe ukuncipha ezindaweni ezibucayi, noma indlela yokudizayina i-fixture ekhomba indawo esakazwayo ukuze kukhuliswe ukukhishwa kwesitoko ngomshini ezindaweni ezifanele. Lokhu akulona ulwazi lwezincwadi zokufunda; ulwazi lwezizwe oluzuzwe emashumini eminyaka okwenza izingxenye, ukuchithwa okunye, nokufunda ukuthi kungani.
Kunjiniyela othola lezi zingxenye, lokhu okungaphatheki okufunayo. Akukhona nje ngokuthola isilinganiso sekhilogremu ngayinye. Kumayelana nokuxhumana nomphakeli obuza imibuzo mayelana nomsebenzi wengxenye, izimo zayo zomthwalo, kanye nokusebenzelana kwayo nezinye izingxenye. Bangase baphakamise ukungeza okusalungiswa okuncane okugejile, noma bancome irediyasi enkulu kunekhona lakho elicijile olishilo ukuze ugweme ukugxiliswa kwengcindezi futhi uthuthukise ukugcwaliswa kwesikhunta. Le ngxoxo, egxile ekuhlangenwe nakho kokukhiqiza okusebenzayo, yiyona ephendula umklamo ube ukuqina, ukwakheka, nokwethembeka. amandla adonsela phansi insimbi ingxenye. Isusa ubudlelwano busuke ekwenziweni buyiswe ekuhlanganyeleni, okuthi ekugcineni, kube yindlela onciphisa ngayo ubungozi futhi uqinisekise impumelelo yephrojekthi.
Imicabango Ephethayo: Inqubo Yokuyekethisa Okuphethwe
I-Gravity casting yensimbi ayisoze yaba ne-aura ecwebezelayo, yobuchwepheshe obuphezulu bokukhiqiza okungeziwe noma ijubane elibhamuzayo lokulingisa. Kuyinqubo evuthiwe. Kodwa inani layo lilele ekuguquguqukeni kwayo, izinto ezibonakalayo, futhi, lapho ibulawa ngobuchwepheshe, ukungaguquguquki okuphawulekayo. Umgomo awukona ukuphelela ku-abstract; kuzuza ibhalansi efanele yezindleko, ukusebenza, nesikhathi sokuhola sohlelo lokusebenza oluthile lwemboni. Izingibe—ukwakheka kwesikhunta esingesihle, ukuphathwa kwempahla okungalungile, ukungondliwa okwanele—konke kwaziwa futhi kuyalawuleka ngokulawulwa kwenqubo okuqinile.
Okuthathayo kunoma ubani ocacisa lezi zingxenye ukubuka ngale kohlu lwamandla ayisisekelo. Bheka ubufakazi bokulawulwa kwenqubo edidiyelwe, kusukela ku-metallurgy kuye kokwenza imishini. Bheka umlando ophakamisa ukujula kokuxazulula izinkinga. Futhi okubaluleke kakhulu, hlanganyela kusenesikhathi. Phatha i-Foundry njengonjiniyela, hhayi nje umdayisi. Yabelana ngezidingo zokusebenza futhi uvulekele iziphakamiso zabo mayelana nokulungiswa kwedizayini ukuze kwenziwe. Lokho kubambisana kungukudonsela phansi kwangempela okudonsela umklamo omuhle endaweni ephumelelayo, eqinile.
Emhlabeni ojaha izixazululo zedijithali nezizenzekelayo, kusenendawo ebalulekile yale nqubo ye-analog, ukushisa nensimbi. Imayelana nokuqonda nokusebenzisa indlela yokuziphatha yemvelo yezinto njengoba ishintsha isimo. Ukuyenza kahle kuzwakala kungaphansi njengokunqoba kobuchwepheshe obuphezulu futhi kufana nomsebenzi wezandla owazijwayeza—okuyinto, ngezindlela eziningi, kusenjalo.
