A igice cy'icyuma ni icyuma cyakozwe mugusuka icyuma gishongeshejwe mukibumbano, aho gikomera muburyo bwihariye. Azwiho imbaraga zidasanzwe zo kwikomeretsa, guhindagurika kunyeganyega, no gukoresha neza ibiciro, ibi bice nibyingenzi kumashini ziremereye, moteri yimodoka, nibikorwa remezo. Aka gatabo karasobanura ubwoko, uburyo bwo gukora, hamwe nibitekerezo byabaguzi kugirango bahitemo igisubizo cyicyuma gikwiye mubikorwa byinganda.
Niki Gisobanura Igice Cyiza Cyiza Cyuma Igice?
Ubunyangamugayo bwa igice cy'icyuma Yishingikirije kugenzura neza imiterere yimiti nigipimo cyo gukonjesha mugihe gikomeye. Bitandukanye nicyuma, cyahimbwe cyangwa kizungurutswe, icyuma kirimo ibintu byinshi bya karubone, mubisanzwe hagati ya 2% na 4%. Urwego rwo hejuru rwa karubone rutuma ibintu bitembera byoroshye muburyo bugoye, bigafasha gukora geometrike igoye idashoboka cyangwa ihenze cyane kubimashini biva mububiko bukomeye.
Ibintu by'ingenzi biranga ibyo bisobanura ubuziranenge birimo microstructure uburinganire, kubura ububobere, hamwe nuburyo bukoreshwa bwa mashini. Inzobere mu nganda zisuzuma ibi bice zishingiye ku bushobozi bwazo bwo guhangana n’amagare y’umuriro, kurwanya kwambara, no kugabanya ibinyeganyega. Urwego rwihariye rwicyuma rukoreshwa rugena niba ikintu kibereye moteri ya moteri, igifuniko cya manhole, cyangwa ibikoresho byuzuye.
Ababikora bagera kumurongo binyuze mubisesengura bikaze kandi bagenzura ubushyuhe bwo gusuka. Ibishingwe bigezweho bifashisha spekitroscopi kugirango igenzure ibice byibanze mbere yo gutangira. Ibi byemeza ko buri igice cy'icyuma yujuje ibyangombwa bisabwa byubuhanga butabangamiye ubunyangamugayo.
Ubwoko bwibanze bwibyuma nibisabwa
Gusobanukirwa ibyiciro bitandukanye byibyuma nibyingenzi muguhitamo ibikoresho bikwiye kubibazo byubwubatsi. Buri bwoko butanga uburinganire budasanzwe bwo gukomera, guhindagurika, hamwe na mashini itwarwa nuburyo bwa karubone igaragara muri matrix.
Icyatsi gisa nicyuma: Igipimo cyo Kuzimya
Icyuma gisa nicyuma gikoreshwa cyane, kirangwa na flake isa na grafite imiterere muri microstructure. Iyi fite ya grafite ikora nkibisanzwe byafashwe kandi bitanga hejuru kunyeganyega ubushobozi. Ibi bituma icyuma cyijimye gikundwa guhitamo moteri, imitwe ya silinderi, hamwe nibikoresho bya mashini aho umutekano uhagaze.
Ibikoresho byerekana imashini nziza cyane kubera gusiga amavuta ya grafite mugihe cyo gukata. Nyamara, imbaraga zayo zingana ziri hasi ugereranije nizindi variants, kandi ifite ihindagurika rito. Ba injeniyeri mubisanzwe bagaragaza icyuma cyumukara kubisabwa gukorerwa imitwaro ikomeretsa kuruta ingaruka cyangwa impagarara.
Umuyoboro (Nodular) Gutera Icyuma: Imbaraga no guhinduka
Icyuma cyitwa Ductile, kizwi kandi nka nodular icyuma, kiranga grafitike ya grafitike ya glifite yakozwe no kongeramo magnesium cyangwa cerium mubyuma bishongeshejwe. Imiterere ya spheroidal irinda gukwirakwira, itanga ibikoresho byingenzi imbaraga no kurambura ibintu bisa nicyuma. Nibyiza kuri crankshafts, ibikoresho, hamwe na sisitemu iremereye cyane.
Bitandukanye nicyuma cyumuhondo, ibyuma byangirika birashobora kwihanganira ingaruka zikomeye no guhinduka bitavunitse. Ubu buryo bwinshi butuma bushobora gusimbuza ibyuma mubyifuzo byinshi, bitanga ikiguzi cyo kuzigama mugihe gikomeza imikorere. Igikorwa cyo kubyaza umusaruro gisaba kugenzura neza kugirango habeho nodularité ikwiye, bigatuma ihitamo neza kubintu byingenzi byumutekano.
Icyuma cyera cyera: Kwambara kwinshi
Ibyuma byera byera iyo igipimo cyo gukonja cyihuta, kibuza grafite kugwa. Ahubwo, karubone ikomeza guhuzwa nicyuma nka simaite, bikavamo microstructure ikomeye kandi yoroheje. Ubu bwoko bukoreshwa gusa mubisabwa bisaba bidasanzwe Kurwanya abrasion, nk'urusyo, urusasu ruturika, hamwe na pompe.
Kubera ubukana bukabije, icyuma cyera kiragoye gukora imashini kandi akenshi kijugunywa hafi-net. Ikoreshwa cyane muburyo butandukanye aho ubuso bwihanganira kwambara buhujwe ningingo ikomeye. Gukemura no kwishyiriraho bisaba ubwitonzi kugirango wirinde gukata cyangwa kunanirwa gukabije munsi yimitwaro.
Malleable Cast Iron: Gukomera kubintu bito
Icyuma cyoroshye gikozwe nicyuma gitunganya ubushyuhe bwera kugirango ihindure simaite mubice bya grafite bidasanzwe byitwa ubushyuhe bwa karubone. Iyi nzira itanga uburyo bunoze bwo guhindagurika no gukomera, bigatuma ibera ibice bito, bigoye nkibikoresho byamashanyarazi, ibikoresho byamaboko, nibikoresho byubuhinzi. Nubwo bidakunze kugaragara muri iki gihe kubera izamuka ryicyuma cyangirika, kiracyafite agaciro kubice bito.
Kugereranya Isesengura Ryuma Ryuma
Guhitamo ibikoresho byukuri bisaba kumva neza uburyo amanota atandukanye akora mubihe bitandukanye. Imbonerahamwe ikurikira iratandukanya ubwoko bwibanze bwo gufasha injeniyeri nabaguzi gufata ibyemezo byuzuye.
| Umutungo | Icyatsi | Umuyoboro w'icyuma | Umweru Wera | Icyuma cyoroshye |
| Ifishi ya Graphite | Flakes | Imirongo (Nodules) | Cementite (Ntayo) | Ubushyuhe bwa Carbone |
| Imbaraga | Hasi Kugereranya | Hejuru | Hasi cyane | Guciriritse Kuri Hejuru |
| Guhindagurika | Hasi (Brittle) | Hejuru | Hasi cyane | Guciriritse |
| Kunyeganyega | Cyiza | Nibyiza | Abakene | Nibyiza |
| Imashini | Cyiza | Nibyiza | Abakene (Gusya bisabwa) | Nibyiza |
| Ikoreshwa ryibanze | Imashini ifunga moteri | Ibikoresho, Crankshafts | Imirongo, Crushers | Ibikoresho, ibikoresho |
Iri gereranya ryerekana ko nta bwoko bumwe bukora intego zose. A. igice cy'icyuma yagenewe imashini yinyeganyeza isaba imiterere yo kugabanya icyuma cyumuhondo, mugihe igice cyohereza umuriro cyunguka muburyo bwimitsi yicyuma.
Uburyo bwo Gukora Ibice Byuma
Umusaruro wibikoresho byizewe bikubiyemo urutonde rwintambwe zuzuye. Gutandukana murwego urwo arirwo rwose rushobora kuganisha ku nenge nko kugabanuka, gaze ya gaze, cyangwa gufunga imbeho. Gusobanukirwa nuru rugendo rufasha abaguzi gusuzuma ubushobozi bwabatanga.
Gukora icyitegererezo no Gutegura
Inzira itangirana no gukora igishushanyo, kopi yigice cyanyuma kirenze gato kugirango ubare ibyuma bigabanuka. Ibishushanyo bikozwe mu biti, plastiki, cyangwa ibyuma bitewe nubunini byakozwe. Bimaze kwitegura, igipapuro gipakirwa mumucanga kivanze na binders kugirango kibe icyuho. Ibikoresho bigezweho bikoresha icapiro rya 3D kugirango habeho umusenyi utoroshye, bikuraho ibikoresho gakondo.
Gushonga no Gusuka
Ibikoresho bibisi, birimo ibyuma byingurube, ibyuma, hamwe na ferroalloys, bishongeshwa muri cupola cyangwa itanura ryamashanyarazi. Kugenzura ubushyuhe ni ngombwa; icyuma gishongeshejwe kigomba kugera kurwego rwihariye rwubushyuhe kugirango habeho gutembera nta okiside. Mugihe cyo gusuka, abashoramari bakurikirana imigendekere kugirango birinde imvururu, zishobora gutega umwuka kandi zigatera inenge. Inoculants ikunze kongerwaho kumugezi kugirango itunganyirize ingano.
Gukonja no guhinda umushyitsi
Nyuma yo gusuka, ifu yemerewe gukonja ku kigero cyagenwe. Gukonjesha byihuse birashobora gutera guhangayika imbere cyangwa gukora ibyuma byera bidakenewe mubyuma. Iyo bimaze gukomera, ifu yumucanga iracika muburyo bwo kunyeganyega. Gutoranya gukabije noneho bigenzurwa muburyo bugaragara amakosa akomeye mbere yo gukomeza gukora isuku.
Kurangiza no kuvura ubushyuhe
Ibikoresho birenze urugero, nk'amarembo na risers, bivanwaho gusya cyangwa gukata. Igice kirimo guturika kugirango gisukure hejuru kandi kigaragaze inenge zishobora kubaho. Ukurikije ibisobanuro ,. igice cy'icyuma Irashobora gukorerwa ubushyuhe nka annealing cyangwa ibisanzwe kugirango igabanye imihangayiko no kuzamura imiterere yubukanishi. Imashini yanyuma itanga urugero rwukuri.
Inenge zikomeye ningamba zo kugenzura ubuziranenge
Ndetse hamwe nibikorwa byateye imbere, inenge zirashobora kubaho. Kumenya no kugabanya ibyo bibazo biranga uruganda ruzwi. Abaguzi bagomba kubaza ibijyanye na protocole yubuziranenge bwabatanga ibicuruzwa bijyanye nudusembwa dusanzwe.
- Ubwoba: Biterwa na gaze yafashwe cyangwa kugabanuka, biganisha ahantu hakeye. Byamenyekanye hakoreshejwe X-ray cyangwa ibizamini bya ultrasonic.
- Ubukonje bukonje: Bibaho mugihe imigezi ibiri yicyuma gishongeshejwe kunanirwa guhuza neza, kurema ikidodo. Byakumiriwe mugutezimbere ubushyuhe no gushushanya amarembo.
- Ibirimo: Ibikoresho by'amahanga nk'umucanga cyangwa ibishishwa byinjijwe mu cyuma. Igenzurwa binyuze muri sisitemu nziza yo kuyungurura mugihe cyo gusuka.
- Urupapuro: Kugoreka biterwa nigipimo cyo gukonja kuringaniye. Kugabanywa nuburyo bukwiye bwo gushushanya no kugenzura ibidukikije bikonje.
- Ahantu hakomeye: Ahantu hegereye ubukana bukabije, akenshi mubyuma byijimye, bitera ingorane zo gukora. Gucungwa no kugenzura chimie n'umuvuduko ukonje.
Ubugenzuzi bukomeye, harimo kugenzura ibipimo, kugerageza gukomera, no gusuzuma bidasenya (NDE), nibisanzwe kubintu bifite agaciro kanini. Utanga isoko yizewe atanga ibyangombwa byerekana isesengura ryimiti nibisubizo byubushakashatsi kuri buri cyiciro.
Ibitekerezo byabaguzi: Nigute wahitamo neza uwaguhaye isoko
Kugura a igice cy'icyuma bikubiyemo ibirenze kugereranya ibiciro byibice. Kwizerwa igihe kirekire biterwa nubuhanga bwa tekinike yabatanga, ubushobozi, no kwiyemeza ubuziranenge. Ibintu byinshi bigomba gusuzumwa mbere yo kurangiza ubufatanye.
Ubushobozi bwa tekiniki hamwe nubufasha bwubuhanga
Uruganda rutanga infashanyo yubuhanga? Imishinga igoye akenshi isaba igishushanyo mbonera cyo gukora (DFM) ibitekerezo kugirango uhindure igice cya geometrie yo gukina. Abatanga ibikoresho bya software bigereranywa barashobora guhanura uburyo bwo kuzuza imyitwarire no gukomera, kugabanya ibyago byo kugerageza-kwibeshya.
Shakisha abafatanyabikorwa bumva neza amahitamo yo guhitamo. Bagomba kuba bashoboye kwemeza niba urwego rusanzwe ruhagije cyangwa niba hakenewe uburyo bwo guhuza ibishishwa bikenewe kugirango uhuze intego zihariye zo kurwanya ruswa.
Ubushobozi bw'umusaruro n'ibihe byo kuyobora
Suzuma niba ikigo gihuye nubunini bwawe busabwa. Imirongo myinshi yimashini itandukana cyane cyane nakazi ko gushinga akazi kugaburira amajwi make, kuvanga cyane. Kudahuza hano birashobora kugushikana kubiciro cyangwa ibiciro byazamutse. Ibihe byo kuyobora bihoraho ningirakamaro mugutanga amasoko, cyane cyane mubikorwa nkimodoka cyangwa ibikoresho biremereye.
Impamyabumenyi no kubahiriza
Kugenzura ibyemezo byinganda. Ibipimo nka ISO 9001 byerekana sisitemu yo gucunga neza. Kumirenge yihariye nka gari ya moshi cyangwa igitutu, ibyemezo byihariye (urugero, AAR, ASME) birashobora kuba itegeko. Inyandiko zishobora gukurikiranwa ntabwo zishobora kuganirwaho kubikorwa byumutekano-bikomeye.
Imiterere y'Ibiciro n'Ubwubatsi bw'Agaciro
Mugihe igiciro ari ikintu, igiciro cyose cya nyirubwite gifite akamaro kanini. Igiciro cyo hejuru hejuru yikiguzi cyo hejuru-cyiza gishobora kuzigama amafaranga akomeye mugutunganya, gusaba garanti, nigihe cyo gukora. Shira abatanga isoko mubiganiro byubuhanga kugirango umenye amahirwe yo kugabanya ibiro cyangwa gukora neza.
Gufatanya nabakora Inararibonye
Kurenga ibipimo ngenderwaho, uburambe-bwisi burigihe butegeka gutsinda. Kurugero, Qingdao Qiangsenyuan Technology Co., Ltd. (QSY) irerekana uburebure bwubuhanga bukenewe kumishinga igoye. Hamwe nimyaka irenga 30 mubikorwa byo gukina no gutunganya, QSY kabuhariwe mu gutaka ibishishwa, guta ibishashara, no gutunganya CNC. Ibikoresho byabo byagutse bya metero kare 50.000 bihuza imirongo yabigenewe yo kubumba ibishishwa no gushora imari hamwe no gutunganya CNC yuzuye, kugenzura ubuziranenge, n'amahugurwa yo gupakira. Ubu buryo bumwe bwo kubafasha gukora ibikoresho bitandukanye kuva kumyuma nicyuma kugeza kuri cobalt kabuhariwe hamwe na nikel ishingiye kuri nikel. Gukorera abakiriya mu bihugu birenga 20 mu mirenge nk'imashini zikoreshwa mu buhinzi, ibikoresho by'ubuvuzi, ubucukuzi bw'amabuye y'agaciro, na peteroli, QSY yerekana uburyo umufatanyabikorwa wiyemeje ashobora gutanga ibisubizo byihariye bikemura icyuho kiri hagati yo gushushanya no gukora ukuri.
Ibyiza nimbibi za Cast Iron Iron
Kugira ngo ufate umwanzuro utajenjetse, umuntu agomba gusuzuma inyungu zavutse zidafite aho zigarukira. Iyi mitekerereze iringaniye ituma ibikoresho bihuza nibikorwa byumushinga.
Ibyiza by'ingenzi
- Gukora neza: Ahantu ho gushonga hamwe no gutembera neza bigabanya gukoresha ingufu kandi bikemerera imiterere igoye hamwe no gukora bike.
- Kunyeganyega: Ubushobozi buhebuje bwo gukuramo ingufu butuma biba byiza kugabanya urusaku numunaniro muri sisitemu ikora.
- Kwambara Kurwanya: Impamyabumenyi zimwe, cyane cyane izifite grafite cyangwa karbide, zitanga imbaraga zidasanzwe zo gukuramo.
- Imbaraga zo kwikuramo: Ikora neza bidasanzwe munsi yumutwaro uremereye, urenze ibyuma byinshi muri compression.
- Ubushyuhe bwumuriro: Igumana ituze rinini munsi yubushyuhe bwumuriro, ingenzi kubice bya moteri nibikoresho byo guteka.
Imipaka igaragara
- Ubupfura: Ibyuma byinshi bikozwemo bidafite ihindagurika kandi birashobora kuvunika gitunguranye bitewe ningaruka cyangwa uburemere bukabije.
- Ibiro: Ubucucike bwinshi burashobora kuba imbogamizi mubisabwa aho kugabanya ibiro ari ngombwa, nk'ikirere cyangwa ibikoresho byikurura.
- Kwangirika kwa ruswa: Hatabayeho gukingira, icyuma gisanzwe gikunda ingese, nubwo amavuta amwe amwe arwanya imbaraga.
- Inzitizi zishushanyije: Inguni zikarishye hamwe nimpinduka zitunguranye zirashobora kugutera guhangayika no gucika mugihe cyo gukonja.
Imigendekere Yibintu Byuma Byuma Byikoranabuhanga
Inganda zikora uruganda zikomeje gutera imbere, ziterwa nibisabwa birambye kandi bikora neza. Imyaka yashize yabonye iterambere ryingenzi muburyo guta ibyuma byateguwe kandi bikozwe.
Igishushanyo-cyashushanyije: Iyemezwa rya comptabilite fluid dinamike (CFD) hamwe nisesengura ryibintu bitagira ingano (FEA) bituma abajenjeri bahindura sisitemu yo kwinjira no guhanura inenge mbere yuko ikiro kimwe cyicyuma gisukwa. Ibi bigabanya imyanda kandi byihutisha igihe-ku isoko.
Imyitozo irambye yo gushonga: Ibishingwe bigezweho bigenda bikoresha itanura ryamashanyarazi rikoreshwa ningufu zishobora kongera ingufu. Igipimo cyo gusubiramo ibiciro bya ferrous bikomeza kuba hejuru, bishimangira umwanya wicyuma nkibikoresho byangiza ibidukikije iyo bikozwe neza.
Amavuta meza: Ubushakashatsi ku bintu bivangavanze nk'umuringa, nikel, na molybdenum byatumye habaho amanota mashya y'ibyuma bikozwe mu kongera imbaraga-ku buremere ndetse no kunanirwa kwangirika, kwagura ibisabwa mu bidukikije bikaze.
Ibibazo Bikunze Kubazwa (Ibibazo)
Ni irihe tandukaniro riri hagati yicyuma nicyuma?
Itandukaniro ryibanze riri mubintu bya karubone nuburyo bwo gukora. Ibyuma bikozwemo karubone irenga 2%, byoroshye kuyitera ariko byoroshye. Ibyuma bikozwe mucyuma bifite karubone nkeya, bitanga guhindagurika no gukomera ariko ku giciro cyo hejuru. Hitamo icyuma cyo kumena no kwikuramo; hitamo ibyuma kugirango birwanye ingaruka.
Ibice by'icyuma birashobora gusudwa?
Gusudira ibyuma biragoye kubera karubone nyinshi kandi bikunda gukonja. Mugihe bishoboka hamwe nubuhanga bwihariye nko kubanza gushyushya no gukoresha nikel ishingiye ku kuzuza inkoni, muri rusange ntabwo byemewe gusanwa. Gufata imashini cyangwa guhuza epoxy bikunze guhitamo.
Ibikoresho by'icyuma bimara igihe kingana iki?
Ubuzima buratandukanye kubisabwa nibidukikije. Mugihe gikingiwe murugo, ibice byuma birashobora kumara igihe kitazwi. Mubidukikije byangirika cyangwa byinshi-abrasion, igihe cyo kubaho giterwa nicyiciro cyihariye cya alloy hamwe nuburyo bwo kubungabunga. Imiyoboro yicyuma itomoye neza, kurugero, ifite ubuzima bwa serivisi burengeje imyaka 100.
Ese icyuma gikoreshwa gikwiranye nubushyuhe bwo hejuru?
Nibyo, ibyiciro bimwe byibyuma byerekana ibintu byiza bikura byumuriro hamwe na okiside irwanya. Urugero rwa silicon-molybdenum, urugero, rwashizweho muburyo bwihariye bwo gusohora ibintu hamwe n'inzu ya turbine aho ubushyuhe buhinduka vuba.
Ni izihe nganda zishingiye cyane cyane ku bice by'icyuma?
Imodoka, ubwubatsi, ubuhinzi, n’imashini ziremereye nizo zikoresha cyane. Porogaramu zihariye zirimo moteri ya moteri, disiki ya feri, ibyuma bifata imiyoboro, inzu ya pompe, nibikoresho byama mashini.
Umwanzuro hamwe nibyifuzo byingamba
Guhitamo iburyo igice cy'icyuma nicyemezo cyibikorwa bigira ingaruka kumikorere, kuramba, no gukoresha neza imashini cyangwa ibikorwa remezo. Mugusobanukirwa itandukaniro riri hagati yicyatsi, ihindagurika, cyera, nicyuma cyoroshye, injeniyeri zirashobora guhuza ibintu nibintu bikenewe mubikorwa. Imbaraga zinyeganyega zidasanzwe hamwe no gukomeretsa imbaraga zicyuma zituma bidasimburwa mubice byinshi byinganda, mugihe hubahirizwa aho ubushobozi bwayo bugarukira.
Ku baguzi, inzira yo gutsinda ikubiyemo gufatanya n’ibishingwe byerekana ubujyakuzimu bwa tekinike, kugenzura ubuziranenge bukomeye, no kwiyemeza gukomeza gutera imbere. Shyira imbere abatanga isoko batanga ubufatanye bwubuhanga hamwe nuburyo bwo gutanga ibyemezo. Irinde kwibanda gusa ku giciro cyibice; Ahubwo, suzuma igiteranyo cyagaciro cyarimo igipimo cyinenge, kuyobora igihe cyo kwizerwa, hamwe ninkunga ya nyuma.
Ninde ukwiye gukoresha iki gitabo? Aya masoko agenewe abashinzwe gutanga amasoko, abashinzwe imashini, n'abashushanya ibicuruzwa bagize uruhare mu kwerekana ibyuma bikoreshwa cyane. Niba umushinga wawe usaba ibice bigomba kwihanganira imitwaro myinshi, kugabanya ibinyeganyega, cyangwa kurwanya kwambara, ibyuma bisigaye bikomeza kuba igisubizo cyo hejuru.
Intambwe Zikurikira: Tangira usobanura neza imizigo yawe nibidukikije neza. Baza abahanga babishoboye kugirango basuzume ibishushanyo byawe. Saba icyitegererezo cya coupons yo kugerageza imashini mbere yo kwiyemeza gukora byuzuye. Ukurikije izi ntambwe, uremeza ko ibyawe guta ibyuma tanga kwizerwa no gukora ibikorwa byawe bisaba.
