Audi ya yanke shawarar daukar wani mataki na gaba, dangane da fasahar kera motoci, tare da ra'ayi wanda ba sabon abu bane a cikin masana'antar kera motoci amma yana kawo fa'ida sosai. Gano sabbin maɓuɓɓugan ruwan fiberglass na Audi.
A layi daya da zuba jari a cikin ci gaban da ƙara m injuna da kuma hada kayan da damar don rage nauyi, yayin da kara da tsarin rigidity na shasi da jikin, Audi ne sake juya zuwa composite kayan, ga aikace-aikace a wasu aka gyara .
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Audi ya himmatu wajen haɓakawa da haɓaka wannan fasaha, duk tare da manufa ɗaya: don adana nauyi, ta haka inganta haɓakawa da sarrafa samfuran sa na gaba.
Wannan shi ne sabon fad na Audi ta bincike da ci gaban sashen: da helical fiberglass da kuma polymer ƙarfafa matsawa maɓuɓɓugan ruwa . Wani ra'ayi wanda Chevrolet ya riga ya yi amfani da shi, a cikin Corvette C4 a cikin 1984.
Babban damuwa tare da nauyin dakatarwa, kuma tare da tasirin nauyin kima na abubuwan dakatarwa akan aiki da amfani, ya jagoranci Audi ya mai da hankali kan haɓaka dabarun dakatarwa. Waɗannan yakamata su kawo fa'idodi masu fa'ida dangane da nauyi, ingantaccen amfani da ingantaccen amsa mai ƙarfi daga samfuran sa.
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Wannan ƙoƙarin injiniya na Audi, tare da Joachim Schmitt a shugaban aikin, ya sami kyakkyawar haɗin gwiwa a cikin kamfanin Italiyanci SOGEFI, wanda ke riƙe da haɗin gwiwar haɗin gwiwar fasaha tare da alamar Ingolstadt.
Menene bambanci da maɓuɓɓugan ƙarfe na al'ada?
Joachim Schmitt ya sanya bambanci a cikin hangen nesa: a cikin Audi A4, inda dakatarwar ke fitowa a kan gaban axle ya kai 2.66kg kowannensu, sabon fiberglass ƙarfafa polymer (GFRP) maɓuɓɓugan kawai suna auna 1.53kg kowanne don saiti ɗaya. Bambancin nauyi fiye da 40%, tare da matakin aiki iri ɗaya da ƙarin fa'idodi waɗanda za mu bayyana muku a cikin ɗan lokaci.
Ta yaya ake samar da waɗannan sabbin maɓuɓɓugan ruwa na GFRP?
Komawa kaɗan zuwa abin da ake samun maɓuɓɓugar ruwan coil, an ƙera su don tara ƙarfi yayin matsawa da kuma motsa su zuwa hanyar faɗaɗawa. Yawancin lokaci ana samar da su daga wayar karfe, tare da siffar siliki. Lokacin da ya zama dole a yi amfani da ƙarfin torsional mafi girma a cikin ƙananan wurare, ana ƙera wayoyi tare da wasu siffofi, ciki har da daidaitattun helical, don haka samar da karkace a kowane karshen.
Tsarin maɓuɓɓugan ruwa
Tsarin waɗannan sabbin maɓuɓɓugan ruwa yana da cibiya wanda ke tasowa ta hanyar dogon mirgine na fiberglass, an haɗa shi da kuma sanya shi tare da resin epoxy, inda daga baya injin ke da alhakin kunsa spirals tare da ƙarin filaye masu haɗaka, a kusurwoyi daban-daban na ± 45 °, dangane da madaidaicin axis.
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Wannan magani yana da mahimmanci na musamman, tun da yake ta hanyar hulɗar da ke tsakanin waɗannan nau'o'in goyon bayan juna ne zai ba da bazara ƙarin matsi da kaddarorin torsion. Ta wannan hanyar, nauyin torsional ta cikin bazara ana canza su ta hanyar zaruruwa zuwa ƙarfi da ƙarfi.
Lokacin samarwa na ƙarshe
A cikin lokaci na ƙarshe na samarwa, bazara har yanzu yana da taushi da taushi. A wannan lokacin ne aka gabatar da wani ƙarfe na ƙarfe tare da ƙananan zafin jiki na narkewa, sa'an nan kuma a toya spring a cikin GFRP a cikin tanda fiye da 100 °, ta yadda karfe zai iya haɗuwa cikin jituwa, tare da hardening na fiberglass. .
Menene fa'idodin waɗannan maɓuɓɓugan ruwa na GFRP, idan aka kwatanta da na ƙarfe na gargajiya?
Baya ga fa'idar fa'idar nauyi ta kusan kashi 40% a duk lokacin bazara, magudanar ruwa na GFRP ba sa shafar lalata, ko da bayan kilomita da yawa tare da tarkace da fashe a cikin tsarin su. Bugu da ƙari kuma, ba su da cikakken ruwa, wato, juriya ga hulɗa tare da wasu kayan sinadarai masu lalata, kamar kayan tsaftacewa don ƙafafun.
Wani fa'idar waɗannan maɓuɓɓugan ruwa na GFRP yana da alaƙa da amincin su da tsayin daka, inda aka nuna su a cikin gwaje-gwajen da za su iya tafiyar kilomita 300,000 ba tare da rasa kaddarorinsu na roba ba, wanda ya zarce fa'idar rayuwar abokan hulɗar dakatarwar su, masu ɗaukar girgiza. .
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Wannan shine tsarin farko da Audi ke samar da samfuran gwajinsa, kafin ya fara samar da dubban waɗannan abubuwan a kowace shekara.
Dangane da alamar zoben, samar da waɗannan maɓuɓɓugan ruwa a cikin kayan haɗin gwiwa yana buƙatar ƙarancin kuzari fiye da maɓuɓɓugan ƙarfe na gargajiya, duk da haka, farashin su na ƙarshe ya ɗan yi girma, wanda shine al'amarin da zai iya hana haɓakar su na wasu ƴan shekaru. A ƙarshen shekara, ana sa ran Audi zai sanar da waɗannan maɓuɓɓugan ruwa don samfurin mafi girma.