A cikin gyare-gyaren gyare-gyare na canza barbashi na filastik zuwa kayan filastik, robobi suna yawan fuskantar matsanancin zafin jiki da matsanancin matsin lamba, da kuma gyare-gyaren gyare-gyaren da aka yi da yawa.Yanayin gyare-gyare daban-daban da matakai zasu sami tasiri daban-daban akan ingancin samfur.Yin gyare-gyaren allura yana da filastik Ya ƙunshi abubuwa guda huɗu: albarkatun ƙasa, injin gyare-gyaren allura, ƙirar ƙira da tsarin gyare-gyaren allura.
Ingantattun samfuran sun haɗa da ingancin kayan ciki da ingancin bayyanar.Ingancin kayan ciki galibi ƙarfin injina ne, kuma girman damuwa na ciki kai tsaye yana shafar ƙarfin injina na samfur.Babban dalilai na haifar da damuwa na ciki an ƙaddara su ta hanyar crystallinity na samfurin da kuma daidaitawar kwayoyin halitta a cikin gyare-gyaren filastik.na.Ingancin bayyanar samfurin shine ingancin saman samfurin, amma warping da nakasar samfurin da ke haifar da babban damuwa na ciki shima zai shafi ingancin bayyanar.Siffar ingancin samfuran sun haɗa da: ƙarancin samfuran, samfuran samfuri, alamomin walda, walƙiya, kumfa, wayoyi na azurfa, wuraren baƙar fata, nakasawa, fashe, delamination, peeling da discoloration, da sauransu, duk suna da alaƙa da gyare-gyaren zafin jiki, matsa lamba, kwarara, lokaci. da matsayi.masu alaka.
Abun ciki
Sashi na daya: Zazzabi na gyare-gyare
Sashe na biyu: Matsi na gyare-gyare
Kashi na uku: Gudun injin gyare-gyaren allura
Kashi na hudu: Tsara lokaci
Sashi na biyar: Sarrafa Matsayi
Sashi na daya: Zazzabi na gyare-gyare
Zafin ganga:Yana da narkewar zafin jiki na filastik.Idan an saita yanayin zafin ganga da yawa, dankon filastik bayan narkewa yana da ƙasa.Ƙarƙashin matsi guda ɗaya na allura da ƙimar kwarara, saurin allurar yana da sauri, kuma samfuran da aka ƙera suna da saurin walƙiya, azurfa, canza launin da gatsewa.
Yanayin zafin jiki na ganga ya yi ƙasa sosai, filastik ɗin ba shi da kyau sosai, danko yana da girma, saurin allura yana jinkiri a ƙarƙashin matsa lamba iri ɗaya da ƙimar kwarara, samfuran da aka ƙera ba su da sauƙi, alamun walda a bayyane suke, girman su ne. m kuma akwai sanyi tubalan a cikin kayayyakin.
Yanayin zafi:Idan an saita zafin bututun bututun ƙarfe, bututun zai yi sauƙi ya zube, yana haifar da filaments mai sanyi a cikin samfurin.Ƙananan zafin jiki na bututun ƙarfe yana haifar da toshewar tsarin zubar da ƙura.Dole ne a ƙara matsa lamba don allurar filastik, amma za a sami kayan sanyi a cikin samfurin da aka ƙera nan da nan.
Yanayin zafin jiki:Idan yanayin zafi ya yi girma, ana iya saita matsa lamba na allura da ƙimar kwarara ƙasa.Duk da haka, a daidai matsi da yawan kwarara, samfurin zai yi walƙiya cikin sauƙi, yaƙe da lalacewa, kuma zai yi wuya a fitar da samfurin daga ƙirar.Matsakaicin zafin jiki yana da ƙasa, kuma a ƙarƙashin matsa lamba ɗaya na allura da ƙimar kwarara, samfurin bai isa ya kafa ba, tare da kumfa da alamun walda, da sauransu.
Yanayin bushewar filastik:Robobi daban-daban suna da yanayin bushewa daban-daban.ABS robobi gabaɗaya yana saita zafin bushewa daga 80 zuwa 90 ° C, in ba haka ba zai yi wahala bushewa da ƙafe da danshi da sauran kaushi, kuma samfuran za su sami wayoyi na azurfa da kumfa cikin sauƙi, kuma ƙarfin samfuran kuma zai ragu.
Sashe na biyu: Matsi na gyare-gyare
Matsi na baya kafin yin gyare-gyare:babban matsa lamba na baya da babban adadin ajiya yana nufin ƙarin kayan za'a iya adana shi a cikin girman ajiya iri ɗaya.Ƙananan matsi na baya yana nufin ƙananan ƙarancin ajiya da ƙananan kayan ajiya.Bayan saita wurin ajiya, sannan yin babban gyare-gyare ga matsa lamba na baya, dole ne ku kula da sake saita wurin ajiya, in ba haka ba zai iya haifar da walƙiya ko ƙarancin samfurin.
Matsin allura:Nau'o'in robobi daban-daban suna da danko narke daban-daban.Dankin robobi na amorphous yana canzawa sosai tare da canje-canjen zafin zafin filastik.An saita matsa lamba na allura bisa ga dankowar walda na filastik da tsarin aikin filastik.Idan an saita matsa lamba na allura da ƙasa sosai, samfurin ba za a yi masa allura ba, yana haifar da haƙora, alamomin walda da girma marasa ƙarfi.Idan matsa lamba na allura ya yi yawa, samfurin zai sami walƙiya, canza launin da wahala wajen fitar da ƙura.
Matsin lamba:Ya dogara da yankin da aka tsara na kogon mold da matsa lamba na allura.Idan matsa lamba bai isa ba, samfurin zai yi walƙiya cikin sauƙi kuma yana ƙara nauyi.Idan maƙarƙashiyar ta yi girma da yawa, zai yi wuya a buɗe ƙirar.Gabaɗaya, saitin matsa lamba bai kamata ya wuce 120par/cm2 ba.
Rike matsi:Lokacin da aka gama allurar, za a ci gaba da ba da matsi mai suna riƙewa.A wannan lokacin, samfurin a cikin kogon mold bai riga ya daskare ba.Tsayawa matsa lamba na iya ci gaba da cika ramin ƙira don tabbatar da cewa samfurin ya cika.Idan matsi mai riƙewa da saitin matsa lamba sun yi yawa, zai kawo juriya mai girma ga ƙirar goyan baya da cibiya mai cirewa.Samfurin zai iya zama fari da warwa cikin sauƙi.Bugu da kari, ƙofa mai gudu za a iya faɗaɗawa cikin sauƙi kuma a ƙarfafa ta da ƙarin robobin, kuma za a karye ƙofar a cikin mai gudu.Idan matsa lamba ya yi ƙasa da ƙasa, samfurin zai sami ƙwanƙwasa da girma marasa ƙarfi.
Ka'idar saita matsa lamba na ejector da neutron shine saita matsa lamba bisa ga girman girman yanki na kogon, ainihin yanki na tsinkayar ainihin abin da aka saka, da ƙayyadaddun lissafi na samfurin da aka ƙera.girman.Gabaɗaya, wannan yana buƙatar saita matsa lamba na mold mai goyan baya da silinda na neutron don samun damar tura samfurin.
Kashi na uku: Gudun injin gyare-gyaren allura
Gudun dunƙulewa: Baya ga daidaita madaidaicin magudanar ruwa na pre-plastic, an fi shafa shi da matsa lamba na baya na pre-plastic.Idan an daidaita magudanar ruwa na pre-gyare-gyare zuwa babban ƙima kuma matsi na baya na baya yana da girma, yayin da dunƙule ke juyawa, filastik zai sami ƙarfin ƙarfi mai girma a cikin ganga, kuma tsarin ƙwayoyin filastik filastik za a iya yanke shi cikin sauƙi. .Samfurin zai sami baƙar fata da ratsan baki, wanda zai shafi ingancin bayyanar da ƙarfin samfurin., kuma yanayin zafi na ganga yana da wuyar sarrafawa.Idan an saita yawan kwararar ruwa na pre-roba da ƙasa sosai, za a tsawaita lokacin ajiya na pre-plastic, wanda zai shafi zagayowar gyare-gyare.
Gudun allura:Dole ne a saita saurin allura cikin hankali, in ba haka ba zai shafi ingancin samfur.Idan saurin allurar yayi sauri, samfurin zai sami kumfa, konewa, canza launin, da sauransu. Idan saurin allurar yayi jinkiri sosai, samfurin zai yi ƙasa da ƙasa kuma yana da alamun walda.
Goyan bayan mold da ƙimar kwararar neutron:bai kamata a saita shi da yawa ba, in ba haka ba motsin fitarwa da motsin motsa jiki zai yi sauri da sauri, yana haifar da fitarwa mara ƙarfi da ja mai tushe, kuma samfurin zai iya zama fari.
Kashi na hudu: Tsara lokaci
Lokacin bushewa:Lokaci ne na bushewa don albarkatun robobi.Daban-daban nau'ikan robobi suna da mafi kyawun yanayin bushewa da lokutan bushewa.A bushewa zafin jiki na ABS filastik ne 80 ~ 90 ℃ da bushewa lokaci ne 2 hours.ABS filastik gabaɗaya yana ɗaukar ruwa 0.2 zuwa 0.4% a cikin sa'o'i 24, kuma abun ciki na ruwa wanda za'a iya yin allura shine 0.1 zuwa 0.2%.
Allurar da lokacin riƙe matsi:Hanyar sarrafawa na injin allurar kwamfuta an sanye shi da allurar matakai da yawa don daidaita matsa lamba, saurin gudu da adadin filastik allura a cikin matakai.Gudun filastik da aka allura a cikin ramin ƙira ya kai saurin sauri, kuma an inganta bayyanar da ingancin kayan ciki na samfuran da aka ƙera.
Sabili da haka, tsarin allura yawanci yana amfani da sarrafa matsayi maimakon sarrafa lokaci.Ana sarrafa matsin lamba ta lokaci.Idan lokacin riƙewa yana da tsayi, yawan samfurin yana da girma, nauyin nauyi yana da nauyi, damuwa na ciki yana da girma, ƙaddamarwa yana da wuyar gaske, mai sauƙi don fari, kuma an tsawaita sake zagayowar gyare-gyare.Idan lokacin riƙewa ya yi gajere sosai, samfurin zai kasance mai saurin kamuwa da ƙima da ƙima.
Lokacin sanyi:Yana da don tabbatar da cewa samfurin ya tsaya a cikin siffar.Yana buƙatar isassun sanyaya da lokacin siffa bayan robobin da aka yi masa allura a cikin kogon ƙura a cikin samfurin.In ba haka ba, samfurin yana da sauƙi don raguwa da lalacewa lokacin da aka buɗe samfurin, kuma fitarwa yana da sauƙi don lalata kuma ya zama fari.Lokacin sanyaya ya yi tsayi da yawa, wanda ke tsawaita zagayowar gyare-gyare kuma ba shi da tattalin arziki.
Sashi na biyar: Sarrafa Matsayi
Matsayin canzawar mold shine duk nisan motsi daga buɗewar mold zuwa rufewar mold da kullewa, wanda ake kira matsayi na canzawa.Matsayi mafi kyau don matsar da ƙirar shine samun damar fitar da samfurin a hankali.Idan nisan buɗewar mold ya yi girma sosai, zagayowar gyare-gyaren zai yi tsayi.
Muddin matsayi na goyon bayan mold yana sarrafawa, matsayi na fitarwa daga ƙirar za a iya cire shi cikin sauƙi kuma ana iya cire samfurin.
Wurin ajiya:Na farko, dole ne a tabbatar da adadin robobin da aka yi a cikin samfurin, na biyu kuma, dole ne a sarrafa adadin kayan da aka adana a cikin ganga.Idan an sarrafa matsayin ajiya ta hanyar harbi fiye da ɗaya, samfurin zai yi walƙiya cikin sauƙi, in ba haka ba samfurin ba zai isa ya samar ba.
Idan akwai abu da yawa a cikin ganga, filastik zai kasance a cikin ganga na dogon lokaci, kuma samfurin zai iya ɓacewa da sauƙi kuma yana rinjayar ƙarfin samfurin da aka ƙera.Akasin haka, yana rinjayar ingancin filastik filastik, kuma babu wani abu da aka sake cikawa a cikin ƙirar yayin riƙewar matsin lamba, yana haifar da ƙarancin gyare-gyaren samfur da haƙora.
Kammalawa
Ingancin samfuran gyare-gyaren allura sun haɗa da ƙirar samfur, kayan filastik, ƙirar ƙira da ingancin sarrafawa, zaɓin injin gyare-gyaren allura da daidaitawar tsari, da sauransu. .Cikakken la'akari da la'akari da batutuwa, ana iya yin gyare-gyare ɗaya bayan ɗaya daga bangarori da yawa ko kuma za'a iya daidaita al'amura da yawa a lokaci ɗaya.Koyaya, hanyar daidaitawa da ka'ida sun dogara da inganci da yanayin tsari na samfuran da aka samar a wancan lokacin.
Lokacin aikawa: Nuwamba-15-2023