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Okukodwa, isingeniso sebhodi legwebu le-PVC

Ibhodi legwebu le-PVC liyaziwa nangokuthi ibhodi leqhwa noma ibhodi le-Andy, ngokusho kwenqubo yokukhiqiza, ukubukeka nokusebenza kungahlukaniswa ngebhodi legwebu le-PVC kanye nebhodi legwebu lamahhala.

Ibhodi legwebu lesikhumba le-PVC likhiqizwa inqubo ye-Celuca, enongqimba lwesikhumba esiqinile ebusweni, bushelelezi futhi bushelelezi, ubulukhuni obuphezulu, izakhiwo ezinhle zemishini, nemikhiqizo yokunemba okuphezulu, iphutha elincane lokujiya, izidingo eziqinile kusikhunta, ifomula, inqubo kanye nokuhlaza. izinto zokwakha.

Ingaphezulu lebhodi le-PVC elinegwebu lamahhala likhululekile, alikho uqweqwe, futhi ingaphezulu lilungile futhi liyi-convex, elivumela ukuphrinta, ukufutha nokufaka i-veneering.Ingakhiqizwa isikhunta esinamagwebu esivamile, futhi inqubo kulula ukuyilawula.

Okwesibili, izici zebhodi le-PVC legwebu

Ukuzijwayeza kuye kwafakazela ukuthi ibhodi legwebu le-PVC linokufakwa okuhle kokushisa, ukugcinwa kokushisa, ukwahlukanisa umsindo, ukuthwala ukukhanya nezinye izakhiwo, okungcono kunezinye ipulasitiki eqinile enwetshiwe enwetshiwe, i-ceramsite, imikhiqizo ye-asbestos nezinye izinto zokufakelwa, inezici zokusebenza okulula, okuphezulu. izinga lemishini, ukonga isikhathi, ukonga umsebenzi.Ibhodi legwebu le-PVC lingathuthwa ngepayipi elime mpo ngomshini, elifinyeza isikhathi sokusebenza futhi lithuthukise ukusebenza kahle izikhathi ezingu-6~10 uma kuqhathaniswa nezinye izindlela.

Ibhodi legwebu le-PVC lenziwe ungqimba lokufakelwa, olusetshenziselwa ukwahlukanisa ophahleni kanye nokufakwa odongeni lwangaphandle, linokusebenza okungenakuqhathaniswa kokushisa okushisayo nokusebenza kokunamathela kwesendlalelo sesakhiwo, nokwakhiwa okulula, ukuvikelwa kwemvelo, ukonga isikhathi, ukusebenza kahle kanye nezinye izinzuzo eziningi, kungasetshenziswa ukufaka esikhundleni. i-polystyrene (ibhodi le-benzene) nezinye izinto zokuvikela ukushisa.Ibhodi legwebu le-PVC liphinde lisetshenziswe esifundeni esiseningizimu ukwenza izitini zebhodi legwebu le-PVC, ukuze kufezwe inhloso yokufaka uphahla kanye nokufakwa kodonga lwangaphandle.Inezici ezilandelayo:

1) Umnotho: izindleko eziphelele eziphansi.

I-2) Ukushisa okushisayo: i-thermal conductivity yi-0.06-0.070W / (MK), futhi ukumelana nokushisa cishe izikhathi ezingu-10-20 zokhonkolo ovamile.

I-3) engasindi: ukuminyana kwevolumu eyomile ka-200-300kg / M3, okulingana ne-1/5 ~ 1/8 yokhonkolo ojwayelekile usimende, kunganciphisa umthwalo ophelele wesakhiwo.

4) Amandla okucindezela: amandla okucindezela yi-0.6-25.0MPA.

5) Ubuqotho: kungaba indawo yokuthulula ukwakhiwa, kuhlanganiswe eduze nephrojekthi eyinhloko, asikho isidingo sokushiya umngcele womngcele kanye nepayipi yokufaka umoya.

I-6) ukumuncwa okuphansi kwe-elastic shock: i-porosity yebhodi legwebu le-PVC iyenza ibe ne-modulus ephansi yokunwebeka, ukuze ibe nomphumela omuhle wokumuncwa kanye nokusabalalisa emthwalweni womthelela.

I-7) Ukwakhiwa okulula: ukusetshenziswa komshini webhodi le-PVC kuphela ongakwazi ukubona ukusebenza okuzenzakalelayo, kungabona ukuphakama okuqondile kwamamitha angu-200 okuhamba amabanga amade, umthwalo wokusebenza u-150-300m3 / usuku lokusebenza.

I-8) Ukufakwa komsindo: Ibhodi lokufakwa kwebhodi le-PVC legwebu liqukethe inani elikhulu lamabhamuza azimele, nokusabalalisa okufanayo, umthamo wokumunca umsindo we-0.09-0.19%, izikhathi ezi-5 zikakhonkolo ojwayelekile, nomsebenzi osebenzayo wokuvala umsindo.

9) Ukumelana namanzi: ibhodi legwebu le-PVC elifakwe endaweni linokumuncwa okuncane kwamanzi, amabhamuza avaliwe azimele kanye nobuqotho obuhle, ukuze libe nokusebenza okuthile okungangeni manzi.

I-10) Ngemva kokwengeza impahla eyinhloko yombala, umkhiqizo ungenziwa ngemibala ehlukahlukene, ngemva kokwenziwa kwefomula yesimo sezulu, umbala wayo ungaba isikhathi eside ungashintshi, akulula ukuguga.

11) Ingabhobolwa, igawulwe, ibethelwe, ihlelwe futhi inamathiselwe njengokhuni, futhi ingakhiwa kusetshenziswa amathuluzi okucubungula izinkuni ajwayelekile.Umkhiqizo oqediwe ungasetshenziselwa ukwakhiwa kwesibili okushisayo nokugoqa, futhi ungahlanganiswa ngokuqondile nezinye izinto ze-PVC.

Okwesithathu, ukushoda kwemikhiqizo

I-PVC FOAMED BOARD INEZINHLE EZININGI, IBHAKWE NJENGEKHONA KAKHULU KWAMANYE "INTO YOKHUNI YESINTU ESIKHUNDLENI SEZIMPAHLA", ngokwezindawo ezisebenzayo ezihlukene, ukusebenza komkhiqizo nakho kuhluke ngandlela thize.Isibonelo, "ibhodi le-PVC lokuhlobisa ikhaya" linaka kakhulu ukusebenza kokuphepha nokuvikelwa kwemvelo, ukusebenza okududuzayo nokusebenza okukhethekile kwemvelo, kuyilapho "ibhodi le-PVC lezentengiselwano" linaka kakhulu ukusebenza okuqinile, ukusebenza komnotho, ukuhlanza nokusebenza kokugcinwa.Abantu bavame ukuqonda ukungaqondi kahle okuthathu kwebhodi legwebu le-PVC:

I-1, i-flame retardant "ayikwazi ukuvutha";

Abanye abantu bafuna ukuthatha into yokukhanyisa ukuze bashise ibhodi legwebu le-PVC, ukuze babone ukuthi bangasha, bashise akuwona umlilo, ukushiswa kunqanda ilangabi.Lokhu Ukungaqondi okuvamile, izidingo zikazwelonke zesilinganiso somlilo sebhodi le-PVC legwebu le-PVC izinga le-BF1-T0 lezinga elijwayelekile, ngokuya ngendinganiso kazwelonke yezinto ezingashi njengezinga lomlilo A, njengetshe, isitini, njll. Ibanga le-Bf1-t0 Ubuchwepheshe obujwayelekile be-flame retardant buqukethe ububanzi bebhola likakotini elingu-10㎜, elicwiliswe otshwaleni, elibekwe endaweni evuthayo yemvelo ye-PVC, ibhola likakotini lashiswa, likala ububanzi bomkhondo wephansi we-PVC oshisiwe, obungaphansi kuka-50㎜, yi-BF1- I-T0 grade retardant flame standard.

2, hhayi ukuvikelwa kwemvelo akubangelwa "iphunga lekhala";

Izinto ze-PVC ngokwazo aziqukethe i-formaldehyde, i-PVC floor ayivunyelwe ukusebenzisa i-formaldehyde enqubweni yokukhiqiza, ibhodi le-foam elithuthukisiwe le-PVC lizosebenzisa izinto ezintsha ze-calcium carbonate eluhlaza, ezenziwe ngemikhiqizo nje zizoba nokunambitheka okukhanyayo, ngeke kubangele ukulimala kwabantu. umzimba, ngeke wenze abantu bazizwe bengakhululekile.Izohlakazeka ngemva kwesikhathi sokungena komoya.

3, “ukumelana nokuguga” akusho ukuthi “ngamathuluzi abukhali ngeke kuklwebhe”;

Lapho abanye abantu bebuza mayelana nempilo yesevisi kanye nokumelana nokugqoka kwebhodi legwebu le-PVC, bakhipha ummese noma ukhiye namanye amathuluzi abukhali bese beklwebha ingaphezulu le-PVC.Uma kukhona ukuklwebheka, akukwazi ukumelana nokuguga.Empeleni IZWE ELIPHAMBUKILE UKUHLOLA UKUMELANA KWE-PVC FLOOR ABRASION AKUKUNJALO KUNIKEZWA NGENTO ECIJIWE EMBUSWENI, NOKHO NGENHLANGANO YOKUTHOLA KAZWELONKE LIKALWA KAKHULU.

Okwesine, ukusebenza kwebhodi legwebu le-PVC

1. Izakhiwo zemishini

Ibhodi legwebu le-PVC linobulukhuni obuphezulu kanye nezakhiwo zemishini.Ikhula ngokunyuka kwesisindo samangqamuzana, kodwa iyancipha ngokunyuka kwezinga lokushisa.I-PVC eqinile inezici ezinhle zemishini, futhi i-modulus yayo yokunwebeka ingafinyelela ku-1500-3000mpa.Ukunwebeka kwe-PVC ethambile yi-1.5-15 MPa.Kodwa i-elongation ngesikhathi sekhefu iphezulu njenge-200% -450%.I-PVC friction ijwayelekile, i-static friction coefficient engu-0.4-0.5, i-dynamic friction coefficient engu-0.23.

2, ukusebenza kukagesi

Ibhodi legwebu le-PVC liwuhlobo lwe-polymer enezici ezinhle zikagesi, kodwa ngenxa ye-polarity yayo enkulu, ukufakwa kukagesi akukuhle njenge-PP ne-PE.I-dielectric engaguquki enkulu, i-tangent yokulahleka kwe-dielectric I-engeli kanye nokumelana nevolumu, ukumelana ne-corona okungekuhle, ngokuvamile kulungele izinto zokufakwa kwamandla kagesi aphansi naphakathi.

3. Ukusebenza okushisayo

Ukuqina kokushisa kwebhodi legwebu le-PVC kubi kakhulu, i-140 ℃ yaqala ukubola, izinga lokushisa elincibilikayo lika-160 ℃.I-PVC linear expansion coefficient incane, inokuvutha, inkomba ye-oxidation iphezulu njengo-45.

Ezinhlanu, izidingo zokukhiqiza ibhodi elinegwebu

1. Inqubo yokukhiqiza

Inqubo yokukhiqiza ibhodi legwebu eliqinile le-PVC limi kanje: I-PVC resin + izithasiselo → ukuxuba ngesivinini esikhulu → ukuxuba okubandayo okunesivinini esiphansi → i-cone twin screw extrusion → ukwakheka kwesikhunta (igwebu eliwuqweqwe) → ukupholisa nokubumba → ukudonsa kwama-roller amaningi → ukusika imikhiqizo → iqoqo kanye nokuhlola.Imininingwane yemikhiqizo yebhodi le-foam eqinile ye-PVC ingu-1 220 mm×2 440 mm, kanti ukushuba kwemikhiqizo kungu-8 ~ 32 mm.

1.2 Isakhiwo somugqa wokukhiqiza

2. Izidingo zempahla eluhlaza

I-Resin: I-PVC ngokuvamile ikhetha uhlobo lwe-resin engu-8, isivinini sokucubungula i-gelation siyashesha, izinga lokushisa lokucubungula liphansi, ikhwalithi yomkhiqizo izinzile, ukuminyana kulula ukulawula.Eminyakeni yamuva, abakhiqizi abaningi baye bashintsha ukuze bathayiphe i-5 resin.

I-Stabilizer: ukukhethwa kwe-stabilizer, kucatshangelwa ukuvikelwa kwemvelo kanye nomphumela omuhle wokukhetha kokuqala kokuqiniswa komhlaba okungavamile, kodwa ngenxa yentengo ephakeme kakhulu, akuzange kukhuthazwe, ikusasa ngezidingo ezikhulayo zokuvikelwa kwemvelo, imakethe ye-stabilizer yomhlaba engavamile wamukelekile amathemba aqhakazile.I-calcium ne-zinc stabilizer inenkinga yokushiswa kwe-zinc futhi umphumela wokuzinza umpofu kancane futhi umthamo uncane.Njengamanje, i-stabilizer kasawoti esetshenziswa kakhulu noma eholayo, ibhodi elinegwebu ngenxa yesigaba esibanzi sesikhunta, isiteshi eside kanye nokukhiqizwa kokushisa kwegwebu eliphuzi, i-stabilizer idinga okuqukethwe okuphezulu kokuhola, umphumela omuhle wokuzinza, ngaphandle kwalokho umkhiqizo uthambekele ezinhlobonhlobo ezihlukahlukene. izinkinga.

I-ejenti evuthelayo: ukukhethwa kwe-ejenti evuthelayo, i-ejenti evuthelayo ye-AC enqubweni yokubola ukukhulula ukushisa okuningi, kulula ukuholela esigabeni esiphuzi phakathi nendawo, okudinga inani elithile le-ejenti evuthelayo emhlophe, ukubola ukuze kuncele amandla okushisa okweqile, inani le-ejenti enegwebu libe likhulu, ukuze kuzuzwe amagwebu afanayo ngaphandle komgodi omkhulu we-bubble.

Isilawuli: isilawuli esinamagwebu, ngeminyaka yocwaningo kanye nentuthuko kanye nokwenza ngcono, ubuchwepheshe benqubo yesilawuli be-ACR obugwebu bukhula ngokwengeziwe, ikhwalithi yokusebenza izinzile kakhulu, ibhodi eligwebukileyo ngokusho kokuqina, ipuleti elincanyana kufanele likhethe ukwenza ipulasitiki ngokushesha, ipuleti eliwugqinsi kufanele likhethe. plasticizing amandla esixazululo esinensayo yesilawuli esinamagwebu.

Izinto zokuthambisa: Ukukhethwa kwezithambisi kulandela isimiso sakho kokubili ukugcotshwa kwangaphambi kwesikhathi, okuphakathi kanye nangemuva kwesikhathi, ukuze izinto zivikelwe izinto zokugcoba kuzo zonke izigaba, futhi zibambelele ekukhiqizeni okuzinzile kwesikhathi eside ngaphandle kokuwa nokukalwa.

I-ejenti enegwebu: Inani elincane le-ejenti egwebuzelayo i-zinc oxide lingangezwa ekukhiqizeni ukuze kuthuthukiswe ikhwalithi enegwebu kanye nesakhiwo segwebu, futhi inani elincane le-aluminium silicate lingangezwa ukuze kuncishiswe imvula.

I-Pigment: Ukuze kuzuzwe umphumela omuhle kakhulu, i-titanium dioxide kanye ne-fluorescent whitening agent ingangezwa, ukuze kuthuthukiswe ukumelana nesimo sezulu kunganezelwa ama-antioxidants kanye ne-ultraviolet absorbent.

I-ejenti yokugcwalisa: i-calcium carbonate ekhanyayo ingakhethwa, ngaphandle kokusetshenziswa kwe-calcium esebenzayo, ukukhethwa kwenombolo ye-mesh ephezulu