Foamed PVC: Ukucacisa. I foamed Polyvinyl chloride (PVC) iindlela zokwenza

Polyvinyl chloride (PVC) - kukho izinto Polymer, nto leyo sisetyenziswa ngokubanzi kwiinkalo ezahlukeneyo iimveliso intengiso, kwinkqubo ukulungiswa kunye nolwakhiwo imisebenzi, uyilo kwamabala wezasekhaya.

impumelelo indaba

A ubutyebi bembali nyaka-30 zokufunda PVC kummandla thermoplastics ngobambana kwi ubunjalo yayo. Ngenxa kwiipropati kwawo kwancamisa kunye neempawu, foamed PVC kukho iintlobo ezininzi izicelo kuzo zonke iinkalo zobomi bemihla ngemihla mihla. Izixhobo ukuqala ekuveliseni Polyvinyl chloride kukho izinto ezifana amalahle, i-oyile negesi. Xa inkqubo polymerization of IVinyl chloride yemveliso eliphakathi kwenzeka izinto lokugqibela PVC eyenziwa molecule carbon dioxide, hydrogen kunye chlorine.

Uphuhliso ezininzi kwicandelo lwemveliso, ukuphuculwa imixube kunye neendlela zokwenza lubonisa ukuba ngenxa isakhiwo yawo eyodwa eziphilayo, iyeza na indawo ekhethekileyo phakathi kwezinye iindidi thermoplastics.

Foamed PVC inemisebenzi entle: ihlala isebenza, ukumelana ubushushu, ntshikilelo mechanical, iindlela ngeendlela zokwenza kunye nokumelana esihle ngamachiza. ukumelana nempembelelo elungileyo kunye namathuba ukusetyenziswa ngaphandle ifunyanwa ngokusebenzisa kudla ezahlukeneyo. sheet Foamed PVC - olona hlobo luqhelekileyo iimveliso PVC.

inkampani eRashiya imveliso PVC zeplastiki uqala "United extrusion" phantsi UNEXT kraca. Ukusetyenziswa kwezixhobo ophezulu zobugcisa zale mihla uvumela ukuba bavelise iimveliso ezihlangabezana zonke nemigangatho yamazwe ngamazwe. Ngokusebenzisa ezingcono ekrwada kunye iresiphi ekhethekileyo, PVC ugwebu UNEXT akukho kwahluka zaseYurophu.

Types of iphepha zeplastiki

Ukususela kwintshayelelo yayo emarikeni kwemathiriyeli sheet, foamed PVC zeplastiki ngokukhawuleza kakhulu ibuye ibe ziimveliso ezisebenzisekayo jikelele. A ezahlukeneyo PVC iintlobo liphepha iimpawu ezizodwa kwenza kube lula ukusebenzisa izinto zokuqonda izimvo emasimini ezininzi ezahlukahlukeneyo.

Kukho iintlobo ezininzi plastiki lixhaphakileyo PVC nzima:

• egalelwe foamed sheet PVC - kwenziwa ngokusebenzisa zobugcisa zakutsha nje. Ngenxa yoko, isakhiwo lwangaphakathi ifunyenwe efanayo kunye nakwamanye amazwe, kwaye umphezulu engaphandle kumacala omabini - a anencasa ziyakhazimla;
• PVC amagwebu ezamahala Iphepha - ukukhanya ukusuka okuqinileyo zeplastiki Polyvinyl chloride, esibonakala umphezulu silky kunye nesakhiwo esihle Pore;
• Iphepha idiskhi - enokumelana impembelelo elungileyo kunye nozinzo phezulu;
• Iphepha idiskhi oluselubala PVC - seplastikhi esitransparenti okuye transmission ukukhanya ezibalaseleyo kunye namandla nempembelelo;
• Iphepha transparent siziinduli - eyenzelwe ngokukodwa nophahla, ebonakala nelangatye nekudodobalisa;
• PVC Iphepha edityanisiweyo - ingxenye engaphakathi ibandakanya svobodnovspenennogo iplastiki, yaye umaleko engaphandle i-aluminiyam lwendaba double ngeso lenyama.

Ngeentlobo nokuthembeka zobugcisa ophezulu PVC sheets zeplastiki ukwenza ubhetyebhetye kwizicelo ezahlukeneyo: umhombiso Kumbindi izakhiwo, ukwakha, ulwakhiwo intengiso kunye nolwazi eminqubeni, ukudala ngaphakathi iivenkile kunye zemarike, mashinostroitelstvo kunye nabanye.

PVC Foamed: iimpawu ngokubanzi

1. Kule ncwadi awunako ukufunxa amanzi kunye komisa emoyeni, ukuze kungabikho fuku kwaye ngenxa yoko, akuthethi ukugqabhuza ngexesha lonke ixesha yokusebenza. Nokuba xa zibekwe emanzini ixesha elide, ayitshintshi imbonakalo zeplastiki kunye neempawu zayo zokusebenza.
2. Enye yezinto ezilungileyo iphambili yalo Flameproof sheet PVC - yeplastiki ubhekisela izinto qela-nekudodobalisa, ezo abangaxhasi yokutsha umoya.
3. Foamed PVC uye lightfastness ebalaseleyo.
4. Material esisetyenziswayo ukwenza iimilo esebenzisa izinto thermo, Ukusebenzisa umoya kunye neendlela vakuumformiruyuschih.
5. Plastic iyamelana iikhemikhali ezixhaphakileyo: iisepha zasekhaya kunye ntsholongwane, i-asidi kwaye alkalis.
6. PVC ubhekisela izinto Eco-friendly musa ziqulathe enzima kwaye musa ukuba nefuthe elibi kwimpilo yoluntu kunye nokusingqongileyo.
7. I impahla kungaba lula ngomshini isandla-phambili ngokusebenzisa izixhobo eqhelekileyo: kulula ukusika, seligrunjiwe, asarhiweyo, waguqa, ethe, yanamathela ngezikhonkwane, izikrufu rivet.
8. kumphezulu kokulungisa kokufanelekileyo ukuba self-enamathelayo ukutyabeka kunye wokulaminetha umboniso, ngokunjalo ukuba isicelo yokushicilela screen, inks yoshicilelo screen kunye ivanishi.

Indlela processing

amagwebu sheet PVC ngokulula phantsi kuyo nayiphi na indlela yokujongwa nimanyane. Ngenxa yokuba iimpawu zayo oomatshini, yeplastiki ayidingi izixhobo entsonkothileyo yaye kubize. PVC sheets kufanele ngezixhobo eziqhelekileyo asetyenziswa xa usebenza ngamaplanga okanye wentsimbi.

Sika PVC plastic

PVC Iphepha Foamed efanele umsebenzi wezandla kwintshabalalo usebenzisa diski kwaye wabona kunye badibanisa ijigsaw. Le eziphathekayo kunqunyulwa kunye isarha ngesandla, yenzelwe ukusebenza ngamaplanga. ngokuba metal iisarha ukuze ucingo ngenxa kwindawo ukuyicokisa kwamazinyo. I elilelona elinkeza ahlabayo:

• akhawulezise ku 300 m / min;
• feed 30 m / min.

Iingcali sinyusa engile alandelayo amanani izinyo: α = 5 - 10 ° - ngeharika engile, b = 10 - 20 ° - yangasemva amazinyo inyathelo ukusuka mm-5 ukuya kweli-10.

-dinisa-dinayo

Foamed PVC ufakwa uqheliso kuzawuqheliswa eqhelekileyo yenzelwe ukusebenza zesinyithi. Isiphumo eliphezulu ifunyenwe kwi kumyinge we-50 ukuya 300 Rev / min kunye feed ukusuka 3.5 ukuya ku-6 m / min. Le angles akukhuthazwa ukuba zisetyenziswe kunye ezi zithethe:

• φ = 100 - 110 ° - engile njengezona;
• β = 30 ° - nokuphakamisa engile;
• α = 0-5 0 - ngeharika-engile.

yokugaya

Kuba phambili PVC zeplastiki, ungasebenzisa i koomatshini kokuba eqhelekileyo jikelele nkqo nkqo. Ukuthintela umonakalo umbandela ngaphezulu, ukusetyenziswa kwamanani zeplastiki okanye spacers ngamaplanga. Indlela eyiyo yokusebenza:

• Isantya ukusika ayikho ngaphezulu kwe-900 m / min;
• izinto feed 0.3 - 0.6 m / min;
• Front angle α = 5 - 20 °;
• ukucoca angle γ = 10-25 °.

Liqhube edge sheet

amagwebu sheet PVC kufuna kokugqiba beskrini. Ukuze ezi njongo, ungasebenzisa-moya, sandpaper okanye ezinye izixhobo esetyenziselwa okusarhela umthi okanye iplastiki beskrini. Ukuba izinto ivavanywa isigxina Izitenxo umthwalo enamandla nga namacici ukuba isenzeko lweempazamo zakhe okanye neentanda. Iphepha PVC ukuba ubukhulu elingekho ngaphezulu kwe-3 mm, unqanyulwe ne imela eqhelekileyo.

Umqondiso wokunyathela PVC plastic

Nocikizeko Ukuhlukunyezwa lixhomekeke kwizinto ezininzi:

• sheet ubukhulu - Iphepha ubukhulu ka-3 mm ezi ngenqindi lula. Ukuba izixhobo ezizodwa iindlela ezifanelekileyo ezisetyenziswayo, iimilo elula angabhalwa ukusuka PVC Ebubanzini mm-4 ukuya ku-6. Qaphela ukuba kungqameko sheet ngaloo uzakufakwa kancinci;
• lobushushu sheet - izinto encinane preheating umgangatho Ukuhlukunyezwa yi ukuphucula;
• izixhobo ukutshayela - izixhobo ezifanelekileyo ukutshayela ngekhadibhodi kunye nezinye amagwebu;
• angle blade - efunekayo Ukuhlukunyezwa esemgangathweni indawo ikhaba kwi-engile ° 30.

ukugoba Hot

Ukuze ezi njongo, sebenzisa nasiphi isixhobo eqhelekileyo xa ugoba thermoplastics. ukugoba echanekileyo kuxhomekeke kusasazo lobushushu efanayo kunye nezowuni kwangaphambili zokufudumeza rhoqo. Eyiyo Inqanaba lobushushu - ukusuka 115 ukuya 130 ° C. Ukuba lobushushu lingaphezulu esicaciswe, kukho amathuba aphezulu ukubunjwa iintanda Wazityanda PVC isakhiwo zeselula. Oku kwenzeka kakhulu rhoqo xa ugoba sheets ziyatyeba. Kwimeko zokufudumeza zaneleyo umbandela uya phantsi koxinzelelo kakhulu, mhlawumbi kubuyela kwimo yayo yoqobo.

Xa amagwebu flexion ngakwicala ukufudumeza kuphumelela kuphela indawo ethile, ngoko ke radius ukugotywa kunokuba abangaboni ayanelisi. Kulo mzekelo, kwicala elingaphakathi iphepha lisetyenziswa liqatywe ezimile V-. Xilaveko i nitrogen imveliso ifunyenwe de izinto cool.

Ekwakheni ubuhlobo PVC sheets

PVC amagwebu roll unokuvelisa kwiintlobo ezahlukeneyo arhente ngcina nimanyane. Ukuba kuyimfuneko ukuba uncamathelise iimakhishithi omnye komnye, singakwazi ukusebenzisa iglu ngenxa dutywa iwelding ebandayo okanye izidubuli (okwesibini) glue. Kuba lib izinto ezingezizo aneentunja and non-izifunxi afanelekileyo ntlobo zilandelayo glue:

• dutywa pin - lisetyenziswa kuzo zombini iindawo kwi umlinganiselo we-150 g nganye-1 m ^2;
• candelo-ezimbini lyu - egubungele ubuso enye kuphela.

Lib PVC kunye nezinto misindo izifunxi kwenzeka nge iglu usasazeko zolwelo okanye i-icandelwana ezimbini lyu.

Iingcali Siyaleza ukwenza iimvavanyo ze kwimeko nganye, ekubeni ethathele ingqalelo imiba akhawunti ezichaphazela ukusebenza adhesion: ukuxhathisa yemozulu kunye neekhemikhali, ilastiki ngcina ngokudibeneyo.

Welding of PVC amagwebu

PVC sheets kungenziwa anamathele ngokusebenzisa umoya oshushu. Ngexesha lenkqubo welding kufuneka athobele imiqathango ethile: ukulungiswa kunye nokusetyenziswa lobushushu elichanekileyo weld. Eyona nto ibalulekileyo ukuba kufuneka sinikele ingqalelo - ukuqinisekisa ukufudumeza uniform siwuyeke nobushushu yasekuhlaleni. Owasebenzisayo angenza ngentonga iwelding eqhelekileyo, nto leyo enokuthi osuke ukuya kwinqanaba 70 processing of foamed PVC - 80 ° C.

parameters yokusebenza Key:

• edge ezivuzayo PVC sheets kufuneka chamfered yi-60 °;
• lobushushu welding elilelona 280 - 290 ° C;
• ngexesha lokusebenza kuyimfuneko ukusebenzisa-high speed iwelding umlomo (3.5 m / min).

thermoforming

Foamed PVC uyakwazi angaqwengwa okanye baphikele emva kokuba lashushu kwiqondo elithile. Noko ke, ngenxa yokuba lo mbandela yinkqubo kwisigaba-mbini, emi isiqingatha umthamo elahliweyo ngaphakathi emoyeni, ukulinganiselwa ezithile kufuneka iqalwe. Kunconywa zokufudumeza efanayo iphepha lwendaba processing. izinto exonxiweyo kufuneka ibe emva kokuba elastic. Phambi kokuba isiphumo thermal kufuneka mayikhutshwe ukususela ngoku kuxwebhu PVC protective film.

Ukuprintwa Ukwaleka

Ngenxa nesakhiwo sayo, komhlaba PVC amagwebu ezilungele isicelo yoshicilelo screen kunye varnishing. Ukulungiselela le njongo, idayi ezifanelekileyo IVinyl-acrylic okhethekileyo. Ngaphambi kokuba nokusebenzisa i yoshicilelo lacquer komhlaba kunye seziphumo degreased babulale notywala.

Ububanzi PVC foamed

Ngenxa yiacoustic yokusebenza eliphezulu, ukugcina ubushushu thermal kunye nokumelana ukufuma, iprofayili PVC iminyaka emininzi ezisetyenziswa window kunye noshishino ucango, ukhonza njengoko kugqityiwe balcony kunye loggias. amaphepha ngaphaya kwaye incence of Polyvinyl chloride zisetyenziswa kakhulu nophahla kunye negilasi ethutyana.

iprofayile PVC yahlukile kwezinye iincwadi ukuthembeka, uqinile, yesondlo sabo lula.

uphuculo oluqhubekayo iindlela kobugcisa processing kunye kungamampunge yenza abavelisi ukuvula izicelo ezintsha iimveliso PVC. Mat PVC amagwebu isetyenziswa njengendawo ezigquma floor anti-skid kwigumbi lokuhlambela. Kuye texture ethambileyo kwaye awunako ukufunxa ukufuma.

Kakuhle ezingafanelanga ukuba zisetyenziswe bume foamed sheet PVC. Ixabiso kwale nto lingaphantsi kakhulu kunezinye iintlobo ze thermoplastic. Kufanelekile ukuba izibhengezo okanye umboniso. iphepha seplastiki luphawulwa enokumelana okuhle yemozulu kunye UV eyingozi.

Foamed PVC, ixabiso apho has a inzuzo ukhuphiswano, sisetyenziswa ngokubanzi intengiso, ukwakhiwa kunye noshishino. Le izinto ezilula kunye ixesha elide, ngazo ungaziphumeza naziphi izisombululo uyilo kunye nombala.

Abenzi zezixhobo zokwakha zinika uluhlu olubanzi iimveliso PVC. Yonke into imibala ezahlukeneyo, amashiti zamafu, izakhiwo. Ixabiso omnye sheet ertyisi 2x3 m yahluka ukusuka 1500 ukuya 4500 miri million (kuxhomekeke kumenzi okanye ezinye iimpawu).