A cikin duniyar masana'antu na alumini, Tsarin mirgine yana taka muhimmiyar rawa wajen tantance kaddarorin ƙarshe da ingancin kayan kwalliya. Wannan shafin yana bin diddigin hanyoyin daban daban na coils aluminium, mai da hankali kan ci gaba-mirgina da ci gaba da jefa a ciki da mirgina, kazalika da zafi mirgina da sanyi mirgina.

Za'a iya taƙaita hanyoyin samar da kayan zane na al'ada kamar haka:

Cigaba da Cast-Rolling: aluminum 7-8 Millimita ya rufe, Sannan sanyi yayi birgima zuwa kauri da ake so;

Cigaba da jefa a ciki da mirgina: aluminum 15-20 millimeters, mai zafi da tsayi mai zafi yayi birgima zuwa 1-2 millimeters, An gama ko ƙarin sanyi ya yi birgima zuwa kayan bakin ciki;

Zafi gama mirgine zuwa 3-4 millimeters, sanyaya da aka rufe, Sannan sanyi yayi birgima zuwa kauri da ake so.

A cikin sharuddan ingancin yanayi: Cigaba da Cast-Miss ya fi zafi mirgine, wanda ya fi dacewa da ci gaba da birgima.

A cikin sharuddan kayan inji: zafi mirgina ya fi dacewa da ci gaba da jefa a ciki da mirgina, wanda ya fi dacewa da ci gaba da cast-birgima.

Samfuran da suka yi sanyi mirgine suna da finer surface, Fiye da daidaitawa, da kuma babban karuwa a cikin ƙarfi da elongation, Samun su ba makawa ga aikace-aikacen da ake buƙata suna buƙatar manyan abubuwan ba.

Ci gaba da jefa-mirgina vs. Cigaba da jefa a ciki da mirgina

Cigaba da Cast-Rolling

Cigaba da Cast-Rolling, kuma da aka sani da kai tsaye sanyi rolling ko ruwa mirgine, tsari ne inda aka jefa ruwa ruwa kai tsaye zuwa ga rarar rel don samar da semi-da aka gama. Rikicin Rolls kamar yadda kuka mai kuka don ƙarfe na ruwa da lokaci guda suna amfani da matsi don lalata ƙarfe. Kamar yadda aluminum ruwa ke shiga cikin simintin da mirgine yankin ta hanyar ciyar da bututun mai, Ya dace da juyawa da kuma mirgine Rolls.

Zafi daga alumin ruwa na ruwa yana dauke da ruwa mai sanyi a cikin Rolls, haifar da saurin zazzabi da ƙarfi a saman. Rolls ɗin sannan ya yi amfani da wani adadin Rolling don ƙirƙirar cast-birgima cast-birgima. Shigar da fitarwa na karfe a cikin simintin da kuma mirgine yanki koyaushe suna daidaita, Tabbatar da ingantaccen ci gaba da mirgine tsari.

Yawanci, Faɗin da aka ƙaddara slaby ta hanyar samfurin da aka gama a cikin tsari. Tsarin zane mai narkewa na al'ada shine 7-8 millimeters, tare da matsakaicin nisa na har zuwa 2000 millimeters.

Tunda tsari na faruwa a yanayin zafi mai ƙarfi, kayan da aka samar suna da tsarin hatsi. Duk da haka, Saboda ƙarancin aiki zazzabi, Babu sikelin Oxide a farfajiya, sakamakon wani babban abu. Amma bututun ya zama kadan.

Cigaba da jefa a ciki da mirgina

Cigaba da simintin da kuma mirgine ya ƙunshi hadin gwiwar ruwa a cikin slab a cikin murfin a cikin ci gaba na caster, Wanne ne towed kai tsaye a cikin mirgine mirgine yayin da har yanzu zafi, ko bayan kadan koma, don kammala aikin nakasa. Sabanin ci gaba da cast-birgima, Babu wani sanyaya da tsaki da tsayayye a cikin ci gaba da jefa a ciki da mirgine.

Da slab ne kai tsaye zafi sannan aka yi birgima. Kasancewar matakan mai wahala yana shafar kayan aikin, Yana sauƙaƙa shi a cikin nakasar filastik idan aka kwatanta da cast-mirgina. Samfurin da aka gama yana da mafi kyawun lalacewa kuma ya fi tsayayye a aikace-aikacen da ke buƙatar aiki mara zuwa.

A halin yanzu, kawai mai ban tsoro da ding sheng (Mongolia na ciki) Masana'antu suna ba da ci gaba da jefa kuri'a da morling kayan amfani da hazett ci gaba da jefa a cikin cim da kuma fasahar mirgici. Wannan fasaha ana amfani da wannan fasaha a cikin shekarun 1960, Amma aikace-aikacen sa da bincike a China sun gajarta.

A 2009, Longang Wadguang Nuulguang Nuuldan Shorg Co., Ltd. (Luoyang Longfing) ya gabatar da cizon farko na kasar Sin na ci gaba da jefa kuri'a da kuma layin mirgine, wanda aka sanya cikin samarwa a watan Maris 2011. A 2013, Mongolia na ciki Mongolia Lianseng sabon abu kayan makamashi sun gabatar da hazett na biyu na kasar Sin da ci gaba da jefa kuri'a da kuma layin mirgine, wanda aka sanya cikin samarwa a watan Afrilu 2018.

Dukkanin hanyoyin samar da kayan da aka tsara 2100 millimita da ƙarfin zane na zane 400,000 ton. A 2018, Abubuwan biyu sun samar da jimlar 250,000 ton, kuma a 2019, 350,000 ton. Dangane da tsarin samfurin, Da bege yakan samar da abubuwa daban-daban, na USB bel, Kayan ado na ado, mai zurfin zane, da kuma radioator na gida na motoci Billlets, tare da fitowar shekara-shekara game da 180,000 ku 200,000 ton. Abubuwan Lianseng sun haɗa da sau biyu-sifili, guda-sifili, kayan aikin iska, da kuma radioator na gida na motoci Billlets.

Da abun da ke ciki na ci gaba da mura tsari ya hada da kungiyar Terbace, wani na'urar cire kan layi, injin slab (Tsarin aikin da alamar da ta bambanta ta daga sauran fasahar aiwatarwa), da zafi uku-tsaye mirgine. Mai kauri mai kauri shine 15-20 millimeters, kuma kauri samfurin shine 1-2 millimeters.

Ikon zafin jiki yana da mahimmanci. Ɗauka 8011 Alloy a matsayin misali, zazzabi na jefa zazzabi ne 690-700 ° C, Sla yawan zafin jiki shine 450-550 ° C, Zazzabi na farko mirgine shine 400-500 ° C, da kuma zazzabi na ƙarshe na zazzabi shine 120-250 ° C. Zazzabi maimaitawa na 8011 Alloy gabaɗaya 300-350 ° C. A karkashin wadannan yanayin tsari, Samun 8011 tsiri tsiri yana da sakamako mai kama da na coils mai zafi.

A cikin sharuddan ingancin yanayi, idan aka kwatanta da ci gaba da cast-birgima, Slab saman yana da ƙarin rami, da rabe-raben magunguna a farfajiya yana haifar da sanyaya hankali (Taro na ƙazanta a cikin binciken yana da yawa fiye da wannan a cikin jiki).

An bayyana babban lahani kamar yadda matalauta keɓaɓɓun mai haske na aluminium, bayyananne haske da duhu ratsi, kuma a cikin lokuta masu rauni, Kasancewar layin siliki. A cikin 'yan shekarun nan, ta hanyar ingancin fasaha, Ban da samfuran da ke da ƙimar surface na musamman kamar tushen farantin CTP, Aluminum madubi, da farantin hadari, Yawancin sauran buƙatun samfuran za a iya haɗuwa.

Kayan aikin na injiniya suna tsakanin ci gaba da cast-mirgina da zafi mirgina. Tun lokacin zafin zafin rana ya wuce zafin jiki lokacin da ya shiga ci gaba da zafi mai zafi, Yana cikin nau'in rolling mai zafi, kuma wasan kwaikwayon yana kusa da zafi mirgina.

Zafi mirgine vs. Cold Rolling

Hot Rolling

Zafi mirgina shi ne tsarin mirgina da aka yi da aka yi a sama da zazzabi maimaitawa. A saukake kawai, Aluminum Billet yana mai zafi sannan kuma a yi birgima ta hanyar wucewa da yawa, bi ta gefen gado da daidaitawa don samar da farantin aluminum, wanda ake kira zafi mirgina.

A lokacin zafi mai zafi, Karfe yana da babban filastik da ƙarancin juriya, yana rage yawan amfani da makamashi na rashin lafiyar ƙarfe. Zafi mirgina na iya inganta sarrafa aikin na ƙarfe da alluna. Ya karya hatsi m a cikin jihar, Yana Farantin Mahimmanci, yana rage ko kawar da lahani ga lahani, kuma yana canza tsarin simintin a cikin tsari mai lalacewa, don haka inganta aikin aikin aikin kayan.

Tsarin gudana shine kamar haka: Alumum m – orl actiot – niƙa – uniform uneming (zafafawa) – zafi m mirgina – zafi gama rolling – sanyaya da mai rufi.

A lokacin aiwatar da dumama da sufuri zuwa mirgine mirgina, Vine Ingot ya yi magana da oxygen a cikin iska, samar da sikelin oxide a farfajiya. Idan Layer na oxide ya ci gaba da kayan a lokacin mirgina, Ana iya yin birgima cikin yanayin kayan aluminium, shafi samar da ingancin samfurin ƙarshe. Saboda haka, Milling ya zama dole kafin m mirgina.
Zazzabi mai zafi na ingot na lebur kafin zafi mirgine yana sama da 400 ° C.

Daga ra'ayi na ra'ayi, Tsarin rumbushi mai zafi ba ya da mirgine sanyi. Duk da haka, A cikin ingantaccen samarwa, masana'antu sukan kara mura mataki don rage yawan kuzari, Tabbatar da daidaitaccen daidaito da ingancin samfurin da aka gama. Gabaɗaya, kauri daga cikin slab bayan gama rolling an sarrafa shi a sama 3.0/4.7 millimeters.

Girman farantin yana da alaƙa da ƙayyadaddun bayanan, Amma ba a san takamaiman kararraki ba.

Cold Rolling

Mummunan sanyi yana nufin nakasar mirgine na ƙarfe a ƙasa zazzabi mai recrystallization, Gabaɗaya ma'anar cewa ana birgila coils na aluminum kai tsaye a ɗakin zafin jiki ba tare da dumama ba.

Tsarin gudana shine kamar haka: jefa a slab – sanyaya da mai rufi – zafi gama rolling – sanyaya da mai rufi – mirgina sanyi.

Kodayake yana iya ɗaukar ƙwayar aluminium na iya zama mai ɗumi zuwa taɓawa bayan mura sanyi, Har yanzu ana kiranta sanyi rolling.

Idan aka kwatanta da zafi mirgina, Mumbin sanyi yana da waɗannan fa'idodi masu zuwa:

1. Karamin aiki zazzabi, sakamakon madaidaicin girma da kuma daidaitaccen kauri na farantin aluminium;
2. Iyawa don samar da kayan tsinkayen tsiri mai mahimmanci waɗanda ba za a iya samar da su da zafi ba;
3. Mafi girman ingancin kayan kwalliyar sanyi, 'yanci daga lahani kamar m da oxide baƙin ƙarfe sikelin da aka samo a cikin samfuran da aka yi birgima, wanda yake da amfani ga aiki mai zuwa;
4. Cold-birgima coils suna da kyau kwarai na kayan masarufi da tsari, kamar babban ƙarfi, Lowerarancin ƙarancin kuɗi, da kuma kyakkyawan zane mai zurfi;
5. Babban ingancin samarwa saboda ikon samun babban gudu mirgine da cikakken ci gaba mirgine.

Ƙarin teleho

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