Ngu-Andy wase-Baiyear factory
Kubuyekezwe ngoNovemba 2, 2022
Nasi isikhungo sezindaba somkhakha wokubumba umjovo we-Baiyear.Okulandelayo, i-Baiyear izohlukanisa inqubo yokubumba umjovo ibe izindatshana ezimbalwa ukwethula ukuhlaziywa kwezinto ezingavuthiwe zenqubo yokubumba umjovo, ngoba kunokuqukethwe okuningi kakhulu.Okulandelayo yisihloko sesihlanu.
(10).I-POM (Saigang)
1. Ukusebenza kwe-POM
I-POM iyipulasitiki ecwebezelayo, ukuqina kwayo kuhle kakhulu, okuvame ukubizwa ngokuthi "insimbi yomjaho".I-POM iyimpahla eqinile futhi enwebekayo enokumelana okuhle nokukhasa, ukuzinza kwejometri kanye nokumelana nomthelela ngisho nasezingeni eliphansi lokushisa, inokumelana nokukhathala, ukumelana nokunyakaza, ukumelana nokugqoka, ukumelana nokushisa nokunye ukusebenza okuhle kakhulu.
I-POM akulula ukumunca umswakama, amandla adonsela phansi athile angu-1.42g/cm3, futhi izinga lokushwabana lingu-2.1% (i-crystallinity ephezulu ye-POM ibangela ukuthi ibe nezinga eliphezulu kakhulu lokushwabana, elingase lifike ku-2%~3.5 %, okuyisilinganiso esikhulu.Izinto ezihlukahlukene eziqinisiwe Kunamazinga ahlukene okuncipha), ubukhulu bunzima ukulawula, futhi izinga lokushisa lokuphazamisa ukushisa liyi-172 ° C. Ama-POM atholakala kokubili kwe-homopolymer kanye ne-copolymer materials.
Izinto ze-homopolymer zine-ductility enhle namandla okukhathala, kodwa akulula ukucubungula.Izinto ze-copolymer zinokuzinza okuhle kwe-thermal namakhemikhali futhi kulula ukuzicubungula.Kokubili izinto zokwakha ze-homopolymer nezinto ze-copolymer ziyizinto ezicwebezelayo futhi aziwumumbi kalula umswakama.
2. Izici zenqubo ye-POM
I-POM ayidingi ukomiswa ngaphambi kokucutshungulwa, futhi kungcono kakhulu ukushisa kuqala (cishe 100 °C) phakathi nokucubungula, okuhle ekuzinzeni kobukhulu bomkhiqizo.Izinga lokushisa lokucubungula le-POM lincane kakhulu (195-215 ℃), futhi lizobola uma lihlala emgqonyeni isikhathi eside noma izinga lokushisa lingaphezu kuka-220℃ (190~230℃ mayelana nezinto ze-homopolymer; 190~210℃ izinto ze-copolymer).Isivinini sesikulufu akufanele sibe phezulu kakhulu, futhi inani elisele kufanele libe lincane.
Imikhiqizo ye-POM incipha kakhulu (ukuze kuncishiswe izinga lokuncipha ngemva kokubunjwa, izinga lokushisa eliphakeme lesikhunta lingasetshenziswa), futhi kulula ukushwabana noma ukonakala.I-POM inokushisa okuqondile okukhulu kanye nokushisa kwesikhunta esiphezulu (80-105 ° C), futhi umkhiqizo ushisa kakhulu ngemva kokudilizwa, ngakho-ke kuyadingeka ukuvimbela iminwe ukuthi ingashisi.Ingcindezi yomjovo ingu-700 ~ 1200bar, futhi i-POM kufanele ibunjwe ngaphansi kwezimo zokucindezela okuphakathi, isivinini esiphakathi kanye nokushisa kwesikhunta esiphezulu.
Abagijimi namasango bangasebenzisa noma yiluphi uhlobo lwesango.Uma kusetshenziswa isango lomhubhe, kungcono ukusebenzisa uhlobo olufushane.Abagijimi be-nozzle abashisayo banconywa ngezinto ze-homopolymer.Kokubili abagijimi abashisayo bangaphakathi nabagijimi abashisayo bangaphandle bangasetshenziselwa izinto ze-copolymer.
3. Ibanga lohlelo lokusebenza elijwayelekile:
I-POM ine-coefficient ephansi kakhulu yokungqubuzana nokuzinza okuhle kwejometri, elungele kakhulu ukwenza amagiya nama-bearings.Njengoba ibuye ibe nezindawo zokumelana nokushisa okuphezulu, iphinde isetshenziswe kumadivayisi amapayipi (ama-valve amapayipi, izindlu zokupompa), imishini yotshani, njll.
(11), i-PC (ingcina yezinhlamvu)
1. Ukusebenza kwe-PC
I-Polycarbonate iyi-resin ye-thermoplastic equkethe i--[ORO-CO] -izixhumanisi kuketango lezinwele zamangqamuzana.Ngokwamaqembu e-ester ahlukene esakhiweni samangqamuzana, ingahlukaniswa ngezinhlobo ze-aliphatic, alicyclic kanye ne-aliphatic-aromatic.Inani liyi-polycarbonate enamakha, futhi i-bisphenol A yohlobo lwe-polycarbonate ibaluleke kakhulu, futhi isisindo samangqamuzana ngokuvamile singu-30,000-100,000.
I-PC iyipulasitiki yobunjiniyela be-amorphous, engenaphunga, engenabuthi, esobala kakhulu engenambala noma ephuzi kancane enezakhiwo ezinhle kakhulu zomzimba nezomshini, ikakhulukazi ukumelana nomthelela, amandla aqine kakhulu, amandla aguquguqukayo namandla okucindezela;Ukuqina okuhle, ukushisa okuhle nokumelana nesimo sezulu, ukukhanya okulula, ukumuncwa kwamanzi aphansi.
Ukushisa kwe-thermal deformation ye-PC yi-135-143 ° C, ene-creep encane nosayizi ozinzile;inokumelana nokushisa okuhle nokumelana nokushisa okuphansi, futhi inezindawo ezizinzile zemishini, ukuzinza kwe-dimensional, izakhiwo zikagesi nokumelana nokushisa okubanzi.Ukuvutha, kungasetshenziswa isikhathi eside ku -60 ~ 120 ℃;alikho iphuzu lokuncibilika elisobala, liyancibilika ku-220-230 ℃;ngenxa yokuqina okuphezulu kweketango lamangqamuzana, i-resin melt viscosity inkulu;izinga lokumuncwa kwamanzi lincane, futhi izinga lokuncipha lincane (ngokuvamile li-0.1 %~0.2%), ukunemba okuphezulu kobukhulu, ukuqina okuhle kwe-dimensional, kanye nokungena komoya okuphansi kwefilimu;kuyimpahla ezicimayo;izinzile ekukhanyeni, kodwa ayimelani ne-UV, futhi inokumelana nesimo sezulu esihle;
Ukumelana nowoyela, ukumelana ne-asidi, ukumelana ne-alkali eqinile, i-oxidizing acid, i-amine, i-ketone, i-soluble kuma-hydrocarbon ane-chlorinated nezincibilikisi ezinephunga elimnandi, inhibiting amagciwane, ukumelana ne-flame retardant kanye nokungcola, kulula ukuyibangela i-hydrolysis nokuqhekeka emanzini isikhathi eside, Ububi buwukuthi ukuthi ithambekele ekuqhekekeni kwengcindezi ngenxa yokungakhathali kahle, ukumelana nokuncibilika okuncibilikisiwe, uketshezi oluncane kanye nokungagugi kahle.I-PC ingabunjwa ngomjovo, ikhishwe, ibunjwe, ivuthelwe i-thermoform, iphrintwe, iboshwe, ihlanganiswe futhi yenziwe ngomshini, indlela yokucubungula ebaluleke kakhulu ukubumba umjovo.
2. Inqubo izici PC
Izinto ze-PC zizwela kakhulu ekushiseni, i-viscosity yayo yokuncibilika iyancipha kakhulu ngokunyuka kwezinga lokushisa, ukugeleza kuyashesha, futhi akuzweli ekucindezelweni.Izinto ze-PC kufanele zomiswe ngokuphelele ngaphambi kokucutshungulwa (cishe i-120 ℃, amahora angu-3 ~ 4), futhi umswakama kufanele ulawulwe ku-0.02%.Inani lokulandela umswakamo elicutshungulwe ezingeni lokushisa eliphezulu lizokwenza ukuthi umkhiqizo ukhiqize umbala oxubile omhlophe, imicu esiliva namabhamuza, kanye ne-PC emazingeni okushisa asekamelweni Inamandla amakhulu okuguquguquka okunwebeka okuphoqelekile.Ukuqina komthelela omkhulu, ngakho-ke kungabanda, ukudonswa ukubanda, ukugoqa kanye nezinye izinqubo zokubumba ezibandayo.
Izinto ze-PC kufanele zakhiwe ngaphansi kwezimo zokushisa okuphezulu kwempahla, izinga lokushisa eliphezulu lesikhunta kanye nokucindezela okukhulu kanye nesivinini esincane.Sebenzisa umjovo wesivinini esiphansi kumasango amancane kanye nomjovo wesivinini esikhulu kwezinye izinhlobo zamasango.Kungcono ukulawula izinga lokushisa lesikhunta cishe ku-80-110 ° C, futhi izinga lokushisa lokubumba kungcono libe ngu-280-320 ° C.Ingaphezulu lomkhiqizo we-PC lijwayele ukuqhakaza komoya, indawo ye-nozzle ijwayele ukushaywa umoya, ukucindezeleka okusala kwangaphakathi kukhulu, futhi kulula ukuqhekeka.
Ngakho-ke, izidingo zokucubungula ukubumba kwezinto ze-PC ziphakeme kakhulu.Izinto ze-PC zinokuncipha okuphansi (0.5%) futhi azikho izinguquko ezinobukhulu.Imikhiqizo eyenziwe nge-PC ingasuswa ukuze kuqedwe ukucindezeleka kwangaphakathi.Isisindo samangqamuzana e-PC ye-extrusion kufanele sibe sikhulu kuno-30,000, futhi isikulufu sokucindezela kancane kancane kufanele sisetshenziswe, ngesilinganiso sobude ukuya kububanzi buka-1:18~24 kanye nesilinganiso sokucindezela esingu-1:2.5.I-extrusion blow molding, i-injection-blow, ukubumba komjovo-donsa-blow kungasetshenziswa.Ikhwalithi ephezulu, ibhodlela elibonisa ngale.
3.Ibanga lohlelo lokusebenza olujwayelekile:
Izindawo ezintathu ezisetshenziswa kakhulu ze-PC imboni yokuhlanganisa ingilazi, imboni yezimoto kanye ne-electronics, imboni kagesi, ilandelwa izingxenye zemishini yezimboni, ama-optical discs, izingubo zomphakathi, amakhompyutha kanye nezinye izinto zokusebenza zasehhovisi, ukunakekelwa kwezokwelapha kanye nezempilo, ifilimu, ezokungcebeleka kanye nemishini yokuzivikela, njll.
(12).I-EVA (ingcina yerabha)
1. Ukusebenza kwe-EVA:
I-EVA iyipulasitiki e-amorphous, engenabo ubuthi, enamandla adonsela phansi angu-0.95g/cm3 (alula kunamanzi).Izinga lokuncipha likhulu (2%), futhi i-EVA ingasetshenziswa njengomthwali we-masterbatch yombala.
2.Izici zenqubo ye-EVA:
I-EVA inezinga lokushisa eliphansi lokubumba (160-200 ° C), ububanzi obubanzi, futhi izinga lokushisa layo lesikhunta liphansi (20-45 ° C), futhi impahla kufanele yomiswe (izinga lokushisa elingu-65 ° C) ngaphambi kokucubungula.Izinga lokushisa lesikhunta kanye nezinga lokushisa lempahla akulula ukuthi libe phezulu kakhulu ngesikhathi sokucutshungulwa kwe-EVA, ngaphandle kwalokho ubuso buzoba lukhuni (hhayi bushelelezi).Imikhiqizo ye-EVA kulula ukunamathela kwisikhunta sangaphambili, futhi kungcono ukwenza uhlobo lwe-buckle emgodini wezinto ezibandayo wesiteshi esikhulu somlomo.Kulula ukubola uma izinga lokushisa lingaphezu kuka-250℃.I-EVA kufanele isebenzise izimo zenqubo "yezinga lokushisa eliphansi, ukucindezela okuphakathi nesivinini esimaphakathi" ukucubungula imikhiqizo.
(13), i-PVC (i-polyvinyl chloride)
1. Ukusebenza kwe-PVC:
I-PVC iyipulasitiki e-amorphous enezinzile ezishisayo futhi iyakwazi ukubola okushisayo (imingcele yokushisa engafaneleki yokuncibilika izoholela ezinkingeni zokubola).I-PVC inzima ukuyishisa (i-flame retardancy enhle), i-viscosity ephezulu, i-fluidity encane, amandla aphezulu, ukumelana nesimo sezulu kanye nokuzinza okuhle kakhulu kwejometri.Ekusetshenzisweni okungokoqobo, izinto ze-PVC zivame ukwengeza iziqinisi, izinto zokuthambisa, ama-axiliary processing agents, ama-pigments, ama-ejenti okumelana nomthelela nezinye izithasiselo.
Kunezinhlobo eziningi zePVC, ehlukaniswe nge-PVC ethambile, engaqinile futhi eqinile, ukuminyana kungu-1.1-1.3g/cm3 (sisinda kunamanzi), izinga lokushwabana likhulu (1.5-2.5%), futhi izinga lokuncipha iphansi impela, imvamisa ingu-0.2~ 0.6%, isicwebezelisi semikhiqizo ye-PVC sibi, (i-United States isanda kuthuthukisa i-PVC eqinile esobala eqhathaniswa ne-PC).I-PVC imelana kakhulu nama-oxidizing agents, ama-ejenti anciphisayo nama-acids aqinile.Kodwa-ke, ingagqwala ngama-acid oxidizing agxilile njenge-concentrated sulfuric acid ne-concentrated nitric acid futhi ayifanele ukuthintana nama-hydrocarbon anephunga elimnandi nama-hydrocarbon ane-chlorinated.
2. Izici zenqubo ye-PVC:
Uma kuqhathaniswa ne-PVC, izinga lokushisa lokucubungula lincane (160-185 ℃), ukucubungula kunzima kakhulu, futhi izidingo zenqubo ziphezulu.Ngokuvamile, ukomisa akudingekile ngesikhathi sokucubungula (uma ukomiswa kuyadingeka, kufanele kwenziwe ku-60-70 ℃).Izinga lokushisa lesikhunta liphansi (20-50 ℃).
Lapho i-PVC icutshungulwa, kulula ukukhiqiza imigqa yomoya, imigqa emnyama, njll. Ukushisa kokucubungula kufanele kulawulwe ngokuqinile (ukushisa kokucubungula 185 ~ 205 ℃), ingcindezi yomjovo ingaba enkulu njenge-1500bar, futhi ingcindezi yokubamba ingaba enkulu njenge-1000bar.Ukuze ugweme ukuwohloka kwempahla, ngokuvamile Ngejubane lomjovo eliqhathanisekayo, isivinini sesikulufu kufanele sibe ngaphansi (ngaphansi kuka-50%), inani elisele kufanele libe lincane, futhi ingcindezi yangemuva akufanele ibe phezulu kakhulu.
Ukukhipha isikhunta kungcono.Isikhathi sokuhlala sezinto ze-PVC emgqonyeni wokushisa okuphezulu akufanele sidlule imizuzu eyi-15.Uma kuqhathaniswa ne-PVC, kungcono ukusebenzisa imikhiqizo emikhulu yamanzi ku-glue, futhi kungcono ukusebenzisa izimo "zokucindezela okuphakathi, isivinini esincane kanye nokushisa okuphansi" ukubunjwa nokucubungula.Uma kuqhathaniswa nemikhiqizo ye-PVC, kulula ukunamathela kwisikhunta sangaphambili.Isivinini sokuvula isikhunta (isigaba sokuqala) akufanele sisheshe kakhulu.Kungcono ukwenza i-nozzle emgodini wezinto ezibandayo womgijimi.Kungcono ukusebenzisa impahla ye-PS nozzle (noma i-PE) ukuhlanza umgqomo ukuvimbela ukubola kwe-PVC ukukhiqiza i-Hd↑, edla isikulufu nodonga lwangaphakathi lomgqomo.Wonke amasango avamile angasetshenziswa.
Uma umshini izingxenye ezincane, kungcono ukusebenzisa isango ithiphu noma isango elingaphansi kwamanzi;ezingxenyeni eziminyene, isango labalandeli lingcono.Ubukhulu obuncane besango lokungena emanzini noma isango elingaphansi kwamanzi kufanele libe ngu-1mm;ubukhulu besango labalandeli akufanele bube ngaphansi kuka-1mm.
3. Ibanga lohlelo lokusebenza elijwayelekile:
Amapayipi okuhambisa amanzi, amapayipi asendlini, amaphaneli odonga lwendlu, amabhokisi emishini yokuthengisa, ukupakishwa kwemikhiqizo ye-elekthronikhi, okokusebenza kwezokwelapha, ukupakisha ukudla, njll.
Ukuze uqhubeke, uma ufuna ukwazi okwengeziwe, sicela ukhululeke ukuxhumana nathi.I-Baiyear iyifekthri enkulu ehlanganisa ukukhiqiza isikhunta sepulasitiki, ukubumba umjovo kanye nokucubungula insimbi yeshidi.Noma ungaqhubeka nokunaka isikhungo sezindaba sewebhusayithi yethu esemthethweni: www.baidasy.com, sizoqhubeka nokubuyekeza izindaba zolwazi ezihlobene nomkhakha wokucubungula umjovo wokubumba.
Oxhumana naye: Andy Yang
What's app : +86 13968705428
Email: Andy@baidasy.com
Isikhathi sokuthumela: Nov-29-2022
