Munyika yeAluminium Kugadzira, iyo rolling process inoita basa rakakosha pakuona ekupedzisira zvivakwa uye mhando yealuminium coil. Iyi blog positi inoongorora nzira dzakasiyana dzekutenderedza dzealuminium coils, tichitarisa pakuenderera mberi kwekukandira uye kuenderera mberi nekukanda nekukunguruka, pamwe chete nekukunguruka kunopisa nekukunguruka kunotonhora.

Iyo yakajairwa aluminium plate yekugadzira maitiro anogona kupfupikiswa seinotevera:

Continuous cast-rolling: aluminium slab 7-8 mamirimita akabatanidzwa, ipapo kutonhora kwakakungurutswa kune yaidiwa ukobvu;

Kuenderera mberi kukanda uye kuyerera: aluminium slab 15-20 mamirimita, kudziyisa uye matatu-kumira inopisa yakakungurutswa kune 1-2 mamirimita, kupera kana kuwedzera kutonhora kwakakungurutswa kune zvinhu zvitete;

Kupisa kunopisa kupenya kuti 3-4 mamirimita, yakatonhodzwa uye yakakoswa, ipapo kutonhora kwakakungurutswa kune yaidiwa ukobvu.

Panyaya yemhando yepamusoro: continuous cast-rolling yakakwirira pane inopisa kukunguruka, iyo inopfuura kuenderera mberi kukanda nekukunguruka.

Panyaya yema mechanical properties: kupisa kukunguruka kwakakwirira pane kuenderera mberi kukanda nekukunguruka, iyo inopfuura kuenderera mberi kukandira-kutenderera.

Zvigadzirwa zvakapinda kutonhora kukunguruka zvine nzvimbo yakanaka, Zvizhinji zvakaringana zviyero, uye kuwedzera kukuru kwesimba rekusimba uye kurebesa, zvichiita kuti zvive zvakakosha kune zvikumbiro zvinoda kukanganiswa kukuru kunotevera.

Kuenderera mberi cast-rolling vs. Continuous Casting and Rolling

Kuenderera mberi cast-rolling

Continuous cast-rolling, inozivikanwawo sekuti kunanga chill rolling kana fluid rolling, inzira iyo simbi yemvura inodururwa zvakananga mumupumburu kuti iite semi-yakapera kana yakapedzwa zvigadzirwa. Mipumburu inoita semakristallizer eiyo simbi yemvura uye panguva imwe chete inoisa kumanikidza kukanganisa simbi. Sezvo iyo aruminiyamu yemvura inopinda munzvimbo yekukanda uye yekutenderedza kuburikidza nemuromo wekudya, inosangana neinotenderera yekukanda uye rolling rolls.

Kupisa kubva mumvura yealuminium inokurumidza kubatwa nemvura inotonhorera mumapumburu, zvichikonzera kudonha kwekushisa nekukurumidza uye kusimba pane roll roll. Mipumburu inobva yaisa imwe chiyero chekudzikisa kuti igadzire coil-yakakungurutswa. Iko kupinza uye kubuda kwesimbi munzvimbo yekukanda uye yekutenderedza inogara yakaenzana, kuve nechokwadi kuti yakagadzikana inoenderera mberi yekukanda uye rolling maitiro.

Kazhinji, hupamhi hwe slab hunotaridzirwa nehupamhi hwechigadzirwa chakapedzwa hunotsanangurwa muhurongwa. Iyo yakajairika coiling ukobvu ndeye 7-8 mamirimita, nehupamhi hwepamusoro hwekusvika 2000 mamirimita.

Sezvo maitiro acho achiitika pane yakasimba-state tembiricha, zvinhu zvinogadzirwa zvine chimiro chakakura chezviyo. Zvisinei, nekuda kwekuderera kwekushisa kwekugadzirisa, hapana oxide scale inoumbwa pamusoro, zvichiita kuti pave nepamusoro pepamusoro. Asi ductility yakaderera.

Continuous Casting and Rolling

Kuramba kuchikanda uye kukunguruka kunosanganisira kuomeswa kwesimbi yemvura kuita slab muforoma yeinoenderera mberi caster., iyo inobva yakungurutswa yakananga muguyo richiri kupisa, kana mushure mekudziyisa zvishoma, kupedzisa deformation process. Kusiyana nekuenderera mberi kukandira-kukungurutsa, hapana kutonhodza uye nhanho yekukochekera mukuramba uchikanda nekukunguruka.

Iyo slab inodziya zvakananga uye yobva yakungurutswa. Kuvapo kwenhanho yekupisa kunokanganisa zvinhu zvezvinhu, zvichiita kuti zvive nyore kuita deformation yepurasitiki kana ichienzaniswa nekuenderera mberi kwekukanda-kutenderedza. Chigadzirwa chakapedzwa chine zvirinani ductility uye yakagadzikana zvakanyanya mumashandisirwo anoda inotevera deformation kugadzirisa.

Parizvino, chete Kuda uye Ding Sheng (Inner Mongolia) mafekitari anogadzira anoenderera mberi achikanda uye anoumburudza zvinhu achishandisa Hazelett inoenderera mberi yekukanda uye kutenderedza tekinoroji. Iyi tekinoroji yakashandiswa mune zvekutengesa muma1960s, asi kushandiswa kwayo uye kutsvagisa muChina kwave kupfupi.

In 2009, Longyang Yuguang Longquan High-Precision Aluminium Plate Co., Ltd. (ikozvino inotungamirirwa neLuoyang Longding Aluminium Industry) yakaunza China yekutanga yeHazelett inoenderera mberi yekukanda uye kutenderera mutsara, iyo yakaiswa mukugadzirwa munaKurume 2011. In 2013, Inner Mongolia Liansheng New Energy Materials yakaunza China yechipiri Hazelett inoenderera kukanda uye kutenderera mutsara., iyo yakaiswa mukugadzirwa muna Kubvumbi 2018.

Mitsetse miviri yekugadzira ine hupamhi hwekugadzira 2100 millimeters uye yakasanganiswa dhizaini kugona kwe 400,000 matani. In 2018, iyo mitsetse miviri yakaburitsa huwandu hwe 250,000 matani, uye mu 2019, 350,000 matani. Maererano nekugadzirwa kwechigadzirwa, Kushuva kunonyanya kugadzira akasiyana-siyana-zero foil, cable belt, bhandi rekushongedza ndiro, zvinhu zvakadzika-kudhirowa, uye mota radiator zvinhu mabheti, neinobuda pagore inosvika 180,000 ku 200,000 matani. Zvigadzirwa zveLiansheng zvinonyanya zvinosanganisira kaviri-zero foil, single-zero foil, air-conditioning foil, uye mota radiator zvinhu mabheti.

Kuumbwa kwekuenderera mberi kwekukanda uye kutenderera kunosanganisira boka rekunyunguduka revira, mudziyo wepamhepo wekubvisa uye kubvisa tsvina, muchina we slab (iyo core process uye mucherechedzo unoisiyanisa kubva kune mamwe maitiro matekinoroji), uye inopisa zvigadziko zvitatu zvekukunguruka. Iyo rectangular slab ukobvu ndeye 15-20 mamirimita, uye kupedzwa chigadzirwa ukobvu ndiko 1-2 mamirimita.

Kudzora tembiricha kwakakosha. Kutora 8011 alloy semuenzaniso, tembiricha yekukanda i690-700°C, tembiricha yeslab i450-550°C, tembiricha yekutanga ndeye 400-500 ° C, uye tembiricha yekupedzisira yekukunguruka i120-250°C. The recrystallization tembiricha ye 8011 alloy kazhinji 300-350°C. Pasi pemamiriro ezvinhu aya, kugadzirwa kwe 8011 aluminium strip ine maitiro akafanana neaya anopisa-akakungurutswa makoiri.

Panyaya yemhando yepamusoro, zvichienzaniswa nekuenderera mberi kukandira-kutenderera, iyo slab surface ine gomba rakawanda, uye kupatsanurwa kwemakemikari pamusoro pepamusoro kunokonzerwa nekutonhora kusina kuenzana (kusanganiswa kwetsvina painterface yakakwira zvakanyanya kupfuura iri mumuviri).

Hurema hukuru hunoratidzwa sehusina kunaka hwekupenya kwealuminium coil, chiedza chakajeka uye mitsetse yakasviba, uye muzviitiko zvakanyanya, kuvapo kwemitsetse yakasviba yesilika. Mumakore achangopfuura, kubudikidza tekinoroji optimization, kunze kwezvigadzirwa zvine zvakanyanya kuomarara zvinodiwa senge CTP plate base, girazi realuminium, uye oxidation ndiro, zvimwe zvakawanda zvinodikanwa zvechigadzirwa zvinogona kuzadzikiswa.

Mechanical properties iri pakati pekuenderera mberi kukandira-kutenderera uye kupisa kunopisa. Sezvo tembiricha ye slab inoramba iri pamusoro peiyo tembiricha recrystallization kana ichipinda mukupisa kunoramba kuchitenderera, ndeye chikamu chinopisa, uye kushanda kuri pedyo nekupisa kunopisa.

Inopisa inotenderera vs. Cold Rolling

Hot Rolling

Kupisa kutenderedza ndiyo nzira yekutenderedza inoitwa pamusoro peiyo tembiricha recrystallization. Kungotaura, aluminium billet inopisa uye yobva yakungurutswa kuburikidza nemapasi akawanda, ichiteverwa nekucheka kwemupendero uye kutwasanudza kugadzira ndiro yealuminium, kunonzi kukunguruka kunopisa.

Munguva inopisa inopisa, iyo simbi ine high plasticity uye yakaderera deformation resistance, zvakanyanya kuderedza kushandiswa kwesimba kwesimbi deformation. Kupisa kunopisa kunogona kuvandudza kushanda kwesimbi uye alloys. Inopwanya zviyo zvakakasharara munzvimbo yakakandwa, inoporesa mitswe yakakosha, inoderedza kana kubvisa kukanganisa kwekukanda, uye inoshandura chimiro chakakandwa kuita chimiro chakaremara, nokudaro kuvandudza kushanda kwekugadzirisa kwealloy.

Kuyerera kwemaitiro kunotevera: aluminium ingot – flat ingot – kugaya – yunifomu annealing (kupisa) – inopisa rough rolling – kupisa kupera kukunguruka – kutonhora nekukoira.

Panguva yekudziya uye kutakurwa kuenda kune rough rolling mill, iyo ingot yakadzika inopindirana neokisijeni mumhepo, kugadzira chikero cheooxide pamusoro. Kana iyo oxide layer ikaramba iri pazvinhu panguva yekukunguruka, inogona kukungurutswa mukati meiyo aluminium zvinhu, kukanganisa kunaka kwepamusoro kwechigadzirwa chekupedzisira. Naizvozvo, Kugaya kunodiwa kusati kwaitwa rough rolling.
Tembiricha yekudziya yeingot yakafuratirwa isati yapisa rough kukunguruka inodarika 400°C.

Kubva pamaonero epfungwa, iyo inopisa yekukunguruka haisanganisi kutonhora kukunguruka. Zvisinei, mukugadzirwa chaiko, mafekitari anowanzo wedzera danho rinotonhora kuti rideredze kushandiswa kwesimba, chengetedza kurongeka kwedimensional uye kunaka kwepamusoro kwechigadzirwa chakapedzwa. Kazhinji, kukora kwe slab mushure mekupeta kupeta kunodzorwa pamusoro 3.0/4.7 mamirimita.

Saizi yeingot yeplate inoenderana nehurongwa hwekurongeka, asi kuwirirana chaiko hazvizivikanwe.

Cold Rolling

Cold rolling inoreva kukunguruka kwesimbi pazasi petembiricha recrystallization, kazhinji zvichireva kuti macoil ealuminium anokungurutswa akananga pakamuri tembiricha pasina kudziyisa.

Kuyerera kwemaitiro kunotevera: cast slab – kutonhora nekukoira – kupisa kupera kukunguruka – kutonhora nekukoira – kukunguruka kunotonhora.

Kunyangwe iyo aluminium coil inogona kudziya kune iyo kubata mushure mekutonhora kukunguruka, kuchiri kunzi cold rolling.

Kufananidzwa nekupisa kunoputika, kuvhuvhuta kunotonhora kune zvinotevera zvakanakira:

1. Low processing tembiricha, zvichiita kuti pave nekukura chaiko uye ukobvu hwakafanana hwearuminiyamu ndiro inotonhora;
2. Kugona kugadzira yakanyanya kutetepa mitsetse zvinhu zvisingagone kugadzirwa nekupisa kutenderera;
3. Superior pamusoro pemhando yezvigadzirwa zvinotonhora, isina hurema hwakadai segomba uye oxide iron scale inclusion inowanikwa muzvigadzirwa zvinopisa, iyo inobatsira pakugadzirisa kunotevera;
4. Cold-rolled plate coils ine yakanakisa mechanical uye process properties, zvakadai sesimba guru, goho rakaderera, uye yakanaka yakadzika-kudhirowa kuita;
5. Kubudirira kwekugadzirwa kwepamusoro nekuda kwekukwanisa kuwana yakakwirira-kumhanya kutenderera uye kuzere kuenderera mberi.

Kuwedzera

Iwe unoziva here chikamu chezvakaraswa aluminium mune akasiyana alloy mamakisi panguva yekunyungudika?
Magiredhi mazhinji anowedzera zvimedu zvealuminium!

• 1070 uye pamusoro pearuminiyamu yakachena haigoni kuwedzera zvimedu zvealuminium uye inogona kugadzirwa chete nearuminiyamu ingots yakachena. Choto chinonyunguduka chinodawo kucheneswa, uye kazhinji, mafekitari haagamuchire maodha kunze kwekunge akakura.
• Iyo scrap aluminium ratio ye 3104/3105 alloy inogona kusvika 70%-80%;
• 1-akatevedzana yakachena aluminium inogona kungowedzera 1-yakatevedzana zvimedu zvealuminium;
• For 3/4/5/6/8 series, iyo chaiyo scrap aluminium yekuwedzera ratio inogadziriswa zvinoenderana neiyo fekitori maitiro ekudzora uye kemikari element zviyero., ine general scrap aluminium reshiyo ye 40%.

Ndinokutendai nenguva yenyu uye hanya.