Ukuphonononga ubuChwephesha beSikruru esiNye kwi-Blown Film Extrusion

Isikrufu somgqomo omnye wokuvuthela bhanyabhanya ume entliziyweni yefilimu evuthelweyo extrusion. Eli candelo liyanyibilika, lixube, kwaye lihambisa izinto zeplastiki, zibumba ifilimu eqhubekayo.Izifundo zamva nje zeshishinibonisa ukuba ukhetho loyilo kwiIibhareli zeScrew eziNyekwaye nkqu aI-Plastic Screw Barel enye or Pvc Umbhobho Single Screw umphandainokuchaphazela amandla efilimu, ukucaca, kunye nokuhambelana.

Isikruru esiSinye sokuvuthela ifilimu: Inkcazo kunye nendima

Yintoni i-Screw Barel enye yokuvuthela ifilimu

Ibhari enye yesikrufu sokuvuthela ifilimu yinxalenye ephambili yenkqubo yefilimu evuthelweyo ye-extrusion. Iqulathe isikrufu esijikelezayo ngaphakathi kwebhareli eyomeleleyo, eyicylindrical. Olu cwangciso luphatha imathiriyeli yeplastiki ekrwada kwaye iyilungiselele ukubunjwa kwifilimu. I-screw ijikeleza kwaye ihambisa izinto phambili, ngelixa i-barrel isebenzisa ukushisa kunye noxinzelelo. Ngokudibeneyo, bajika iipellet zeplastiki eziqinileyo zibe bubunzima obugudileyo, obunyibilikisiweyo obulungele ukukhutshwa.

Umphanda omnye wokuvuthela ifilimu wenza okungakumbi kunokuhambisa nje imathiriyeli. Iyanyibilika, ixube, kwaye yakhe uxinzelelo olufunekayo ukutyhala iplastiki ngokufa. Le nkqubo idala ukunyibilika okufanayo, okuyimfuneko ekwenzeni ifilimu ekumgangatho ophezulu.

Indima kwiNkqubo ye-Blown Film Extrusion

Umgqomo omnye wokuvuthela ifilimu udlala iindima ezibalulekileyo kwinkqubo yokukhupha:

• Ihambisa izinto ezikrwada ukusuka kwi-hopper ukuya kwi-barrel.
• Iyanyibilika kwaye ifake iplastiki i-polymer, iqinisekisa ukuba inyibilika iyalingana kwaye ayiguquguquki.
• Idibanisa izinto eziphathekayo ukuqinisekisa umbala kunye nezongezo zisasazeka ngokulinganayo.
• Yakha uxinzelelo kwaye ityhale iplastiki enyibilikisiweyo ukuya kwintloko yokufa.

Uyilo lwesijija ngaphakathi kumbhobho luchaphazela indlela asebenza ngayo la manyathelo. Iimpawu ezinje ngokuxuba kunye nezithintelo zamacandelo zinceda ukuphucula umgangatho wokunyibilika kunye nokuxuba umbala. I-screw eyenziwe kakuhle inokulinganisa ukushisa kunye noxinzelelo, okukhokelela kwiipropati ezingcono zefilimu kunye nokukhutshwa okuphezulu. Iukuqina komphanda kunye nobunjineli obuchanekileyokwakhona kunceda ukugcina inkqubo isebenza kakuhle, ukunciphisa ixesha lokuphumla, kunye nokugcina amandla.

Umgaqo-siseko wokuSebenza weSikrikri esiNye seBarrel yokuvuthela ifilimu

Ukutya nokugqithiswa kwezinto eziphathekayo

Uhambo lweplastiki kwi-extrusion yefilimu evuthelweyo luqala kwi-hopper. Apha, iipellet zeplastiki ezikrwada ziwela emgqomeni. Iibhere yesikrufu esinye sokuvuthela ifilimuisebenzisa isikrufu esijikelezayo ukubamba ezi pellets kwaye izise phambili. Uyilo lwesikrufu lubaluleke kakhulu. Iinqwelomoya ezinzulu kwicandelo le-screw's feed zinceda ukuthwala izinto ezininzi ngaphandle kokuyophula ngokukhawuleza. Njengoko i-screw ijika, ityhala iipellet ecaleni kombhobho, iqinisekisa ukuba zihamba kakuhle kwaye ngokuthe chu.

Ingcebiso: Inowuthi kunye nobunzulu betshaneli yesikrufu buchaphazela ukuba singakanani na imathiriyeli eya phambili kunye nokuba ihamba ngobunono kangakanani. Inowuthi enkulu ihambisa imathiriyeli eninzi, ngelixa inowuthi encinci icinezela kwaye ilungiselela iplastiki ukunyibilika.

Nanku ujongo olukhawulezileyo kumanyathelo abandakanyekayo kwesi sigaba:

1. Iipilisi zeplastiki zingena kwi-hopper.
2. Isikrufu sijikeleza kwaye sitsalela iipellets emgqomeni.
3. Iinqwelomoya ezinzulu zesikrufu kunye nenowuti zihambisa iipellets phambili.

Ukunyibilika kunye nePlastiki

Nje ukuba iipellets ziqhubele phambili kwi-barrel, ziqala ukufudumala. Izifudumezi zomgqomo kunye nokukhuhlana okuvela kwisenzo sokujika sesikrufu kunyibilikisa iplastiki. Iibhere yesikrufu esinye sokuvuthela ifilimuKufuneka inyibilikise iplastiki ngokulinganayo ukuthintela amaqhuma okanye amabala anganyibilikiyo. Iijometri yesikrufu, njengayoubude-to-diameter (L / D) ratiokwayeumlinganiselo woxinzelelo, idlala indima enkulu apha. Isikrufu eside sinika iplastiki ixesha elingakumbi lokunyibilika kunye nokuxuba, okukhokelela ekunyibilikeni okugudileyo, okufana nokunyibilika.

• Isantya sesikrufu sibalulekile. Izantya ezikhawulezayo zenza i-chear eninzi, enceda ukunyibilikisa iplastiki, kodwa kakhulu inokutshisa kwaye yonakalise.
• Iimpawu ezikhethekileyo ezifana ne-barrel grooves okanyeizikhonkwane zokuxubainokunyusa ukuxuba kwaye incede ukunyibilika kube ngakumbi.

I-screw eyilwe kakuhle kunye ne-barrel igcina ubushushu bulungile, ngoko ke iplastiki inyibilika kakuhle kwaye ihlala ingatshintshi. Eli nyathelo lingundoqo ekwenzeni ifilimu ekumgangatho ophezulu.

Uxinzelelo, ukucheba, kunye noxinzelelo

Njengoko iplastiki enyibilikisiweyo isiya phambili, itshaneli yesikrufu iya iba nzulu ngakumbi. Olu tshintsho lucinezela iplastiki, lucinezela nawuphi na umoya, kwaye lwakha uxinzelelo. Isikrufu sikwadala amandla okucheba, athi axube ukunyibilika kwaye aphule naziphi na ii-clumps okanye iijeli. Ukuxuba izinto ezifanaI-Maddock okanye i-anapple mixersinganceda apha. Bahlukana kwaye baphinde badibanise ukunyibilika, baqinisekise ukuba yonke into idibanisa kakuhle ngaphandle kokutshisa iplastiki.

Indlela elungeleleneyo yokucinezela kunye nokucheba inceda i-screw barrel enye yokuvuthela ifilimu ikhuphe inyibiliko elinganayo kwaye ilungele ukubunjwa.

Extrusion Through the Die

Emva kokuba inyibilika ifikelele ekupheleni kombhobho, ijongene nefa. Idayizi ibumba iplastiki etyhidiweyo ibe ngumbhobho obhityileyo. Uyilo lwayo zombini i-die kunye ne-screw barrel enye yokuvuthela ifilimu kufuneka isebenze kunye. Ukuba i-melt ayifani okanye iqondo lokushisa licinyiwe, ifilimu inokuphuma ngobunzima obungalinganiyo okanye iziphene.

• IScrew kunye nomgqomo ukulawula uxinzelelo lokunyibilika kunye nobushushu.
• Idayisi isasaza inyibilika ngokulinganayo, yenze iqamza elivuthelwa ngumoya.
• Iqamza liyaphola, lidideke, lize licande libe kwiphepha lefilimu eliqhubekayo.

Qaphela: Ukunyibilika okungaguqukiyo kunye nobushushu bubalulekile ekwenzeni ifilim enobungqingqwa kunye nokomelela okuhle. Naluphi na utshintsho kwisantya se-screw, ubushushu bomgqomo, okanye uyilo lokufa lunokuchaphazela imveliso yokugqibela.

Yonke inkqubo, ukusuka kwisondlo ukuya kwi-extrusion, ixhomekeke kulawulo olucokisekileyo kunye noyilo oluhlakaniphile. Xa yonke into isebenza kunye, isiphumo yifilimu evuthelweyo ekumgangatho ophezulu elungele ukupakishwa, ezolimo, okanye ezinye izinto.

Amacandelo aPhambili kunye neeNgqwalaselo zoYilo lwe-Single Screw Barrel yokuVuthela ifilimu

Amacandelo aphambili: Isikruru, umphanda, iHopper, Die, iDrive System

A ibhere yesikrufu esinye sokuvuthela ifilimuithembele kumacandelo amaninzi aphambili asebenza kunye ukuguqula iipellet zeplastiki zibe yifilim egudileyo. Ilungu ngalinye linomsebenzi okhethekileyo:

• Hopper: Utyisa iipellet zeplastiki ekrwada kwisistim.
• Umphanda: Ubamba isikrufu kwaye ufudumeza imathiriyeli.
• Screw: Iyajikeleza ukuze ihambe, inyibilike, kwaye icinezele iplastiki.
• Izifudumezi: Jikela umphanda ukugcina ubushushu obufanelekileyo.
• Yifa: Ibumba iplastiki enyibilikisiweyo ibe yityhubhu ebhityileyo.
• Inkqubo yokuqhuba: Ilawula isantya sesikrufu ukwenzela imveliso ezinzileyo.

Inkqubo yokuqhuba isebenzisa ulawulo oluphambili ukugcina iisantya screw ezinzile. Oku kunceda inkqubo ukuba ihlale izinzile kwaye igcina umgangatho wefilimu uphezulu.

Impembelelo ye-Screw kunye ne-Barrel Design Parameters (I-L/D Ratio, i-Compression Retio)

Uyilo lwe-screw kunye ne-barrel luchaphazela indlela umatshini onyibilika ngayo kwaye uxube iplastiki. Umlinganiselo wobude ukuya kububanzi (L/D) ubalulekile. Umlinganiselo ophezulu we-L / D unika iplastiki ixesha elingakumbi lokunyibilika kunye nokuxuba, okunokuphuculaumgangatho wefilimu. Nangona kunjalo, ukuba umlinganiselo uphezulu kakhulu, unokusebenzisa amandla amaninzi kwaye ubangele ukunxiba.

Umlinganiselo woxinzelelo nawo ubalulekile. Ngumlinganiselo wobunzulu bejelo lokutya kwesikrufu kubunzulu bejelo lokulinganisa. Umlinganiselo woxinzelelo olungileyo unceda ukunyibilikisa iplastiki ngokupheleleyo kwaye uthintele iziphene. Ukuba umlinganiselo uphantsi kakhulu, iplastiki ayinakunyibilika ngokwaneleyo. Ukuba iphezulu kakhulu, isikrufu sinokutshisa kakhulu kwaye senze amaqhekeza aqinileyo, anokwenzakalisa umgangatho wefilimu.

Icebiso: Ukukhetha i-L/D efanelekileyo kunye ne-compression ratios ixhomekeke kuhlobo lweplastiki kunye neemfuno zekhwalithi yefilimu.

Iingcebiso zokuLondoloza, ukuJonga iNgxaki, kunye neeNgcebiso zokuSebenzisa

Ukugcinwa rhoqoigcina ibhere yesikrufu esinye sokuvuthela ifilim isebenza kakuhle. Abasebenzisi kufuneka:

1. Coca izikrufu kunye nemigqomo rhoqo ukususa intsalela.
2. Hlola iinqwelomoya ze-screw kunye nemiphezulu yemigqomo ukuba igugile.
3. Sebenzisa izixhobo ezifanelekileyo zokulinganisa kunye nokukhangela iindawo.
4. Gcina izifudumezi kunye neefeni zicocekile ukunqanda ukutshisa kakhulu.
5. Izalathisi zenkqubo yokubeka iliso njengeqondo lokushisa lokunyibilika kunye namazinga emveliso.

Ukuba iingxaki ezifana nokunyibilika kokungangqinelani okanye ukunxitywa kwesijivu kubonakala, jonga i-fay for blockages, lungisa useto lwenkqubo, kwaye ujonge isikrufu somonakalo. Ukunyuselwa kwiimotor eziphezulu kunye nokusebenzisa iliso elibukhali kunokonga amandla kunye nokuphucula ukusebenza. Ukugcinwa kakuhle kunciphisa ixesha lokuphumla kwaye kugcina umgangatho wefilimu uphezulu.

I-screw eyilwe kakuhle kunye ne-barrel system igcina imveliso yefilimu isebenza kakuhle kwaye inokwethenjelwa. Abaqhubi babona umgangatho ongcono wefilimu kunye neziphene ezimbalwa xa bekhetha uyilo olufanelekileyo kwaye balandeleukugcinwa rhoqo. Ukuqonda obu matshini kunceda amaqela asombulule iingxaki ngokukhawuleza kwaye agcine imigca ye-extrusion isebenza kakuhle.

FAQ

Ngowuphi owona msebenzi uphambili we-screw barrel enye kwi-extrusion yefilimu evuthelweyo?

Iumphanda ojijwayo omnyeiyanyibilika, ixube, kwaye ityhala iplastiki phambili. Inceda ukudala ifilimu egudileyo, kunye nefilimu kusetyenziso oluninzi.

Kufuneka abaqhubi bacoce kangaphi isikrufu kunye nomphanda?

Abaqhubi kufunekacoca isikrufu kunye nomgqomoemva kokubaleka kwemveliso nganye. Ukucoca rhoqo kugcina umatshini usebenza kakuhle kwaye uthintela iziphene.

Ngaba uyilo lwe-screw luchaphazela umgangatho wefilimu?

Ewe! Ubume besikrufu kunye nobude bungatshintsha indlela esinyibilika ngayo kwaye sixube iplastiki. Uyilo oluhle lukhokelela kwifilimu eqinile, ecacileyo.