Umshini ofutha ifilimu amaphutha ajwayelekile nezilinganiso

Kunamaphutha angu-13 avamile uma ifilimu eshaywa umoya: ifilimu i-viscous kakhulu, ukungavuleki kahle;Ifilimu ebonisa ngale;Ifilimu enombimbi;Ifilimu inephethini yenkungu yamanzi;Ugqinsi lwefilimu alulingani;Ubukhulu befilimu bukhulu kakhulu;Ugqinsi lwefilimu luncane kakhulu;I-thermal embi kakhulu ukubekwa uphawu kwefilimu;Umehluko wamandla e-longitudinal we-longitudinal amandla okubamba ifilimu; Umehluko wamandla aguquguqukayo wefilimu; Ukungaqini kwebhamuza lefilimu; Indawo yefilimu eqinile nengalingani; Ifilimu inephunga elingavamile njll.

1. Ifilimu i-viscous kakhulu, ukungavuleki kahle

Isizathu sokwehluleka:

① Imodeli ye-resin eluhlaza engalungile, hhayi izinhlayiya zenhlaka ye-polyethylene, engaqukethe i-ejenti yokuvula noma i-ejenti yokuvula okuqukethwe okuphansi.

②Izinga lokushisa le-resin encibilikisiwe liphezulu kakhulu futhi linoketshezi olukhulu.

③Isilinganiso sokuphefumula sikhulu kakhulu, okwenza ifilimu ibe nokungavuleki kahle

④Isivinini sokupholisa sihamba kancane kakhulu, ukupholisa kwefilimu akwanele, futhi ukunamathelana kwenzeka ngaphansi kwengcindezi ye-traction roller

⑤Isivinini sokudonsa sishesha kakhulu

Izixazululo:

1.Faka esikhundleni se-resin eluhlaza, noma wengeze inani elithile le-ejenti yokuvula ebhakedeni;

②Yehlisa ngokufanelekile izinga lokushisa le-extrusion nezinga lokushisa le-resin;

③Yehlisa ngokufanelekile isilinganiso sokwehla kwamandla emali;

④Khulisa ivolumu yomoya, thuthukisa umphumela wokupholisa, futhi usheshise isivinini sokupholisa sefilimu;

⑤Yehlisa ngokufanelekile isivinini sokudonsa.

2.Ukungabi sobala kwefilimu

Isizathu sokwehluleka:

① Izinga lokushisa eliphansi le-extrusion kanye ne-plasticization engalungile ye-resin kubangela ukungafihli kahle kwefilimu ngemva kokubunjwa kokushaywa;

② Isilinganiso sokushaya esincane kakhulu;

③ Umphumela wokupholisa ompofu, ngaleyo ndlela uthinte ukubonakala kwefilimu;

④ Umswakama omningi ku-resin eluhlaza;

⑤ Isivinini sokudonsa esisheshayo, ukupholisa kwefilimu okunganele
Izixazululo:

① Khulisa izinga lokushisa lokukhipha ukuze wenze inhlaka ibe yipulasitiki ngendlela efanayo;

② Khulisa isilinganiso sokushaywa;

③ Khulisa ivolumu yomoya ukuze uthuthukise umphumela wokupholisa;

④Yomisa izinto zokusetshenziswa;

⑤Yehlisa isivinini sokudonsa.

3. Ifilimu enombimbi

Isizathu sokwehluleka:

① Ugqinsi lwefilimu alulingani;

② Umphumela wokupholisa akwanele;

③ Isilinganiso sokuqhunyiswa sikhulu kakhulu, okwenza ibhamuza lingazinzi, lishwibilike liye emuva naphambili, futhi kube lula ukushwabana;

④ I-engeli yebhodi le-lambdoidal likhulu kakhulu, ifilimu isicaba phakathi nebanga elifushane, ngakho ifilimu nayo ishwabana kalula;

⑤ Ingcindezi ezinhlangothini ezimbili ze-traction roller ayihambisani, uhlangothi olulodwa luphakeme kanti olunye luphansi;

⑥ I-eksisi ephakathi kwamarola angumhlahlandlela ayihambisani, okuthinta ukuzinza kwefilimu nokuba flat bese iphakama ukushwabana.

Izixazululo:

① Lungisa ukujiya kwefilimu ukuze uqinisekise ukuthi ukushuba kuyafana;

② Thuthukisa umphumela wokupholisa ukuze uqinisekise ukuthi ifilimu ingapholiswa ngokugcwele;

③ Yehlisa ngokufanelekile isilinganiso sokwehla kwamandla emali;

④ Nciphisa ngokufanelekile i-engeli yebhodi le-lambdoidal;

⑤ Lungisa ingcindezi ye-traction roller ukuze uqinisekise ukuthi ifilimu igcizelelwe ngokulinganayo;

⑥ Hlola i-eksisi yeshafu ngayinye yomhlahlandlela futhi uyenze iqondane

4.Ifilimu inephethini yenkungu yamanzi

Izizathu zokwehluleka kanje:

① Izinga lokushisa lokukhipha liphansi, i-resin plasticization impofu;

② I-resin imanzi, futhi okuqukethwe komswakama kuphezulu kakhulu.

Izixazululo:

① Lungisa ukulungiselelwa kwezinga lokushisa kwe-extruder futhi ukhuphule izinga lokushisa le-extrusion kahle.

② Lapho womisa izinto zokusetshenziswa ze-resin, okuqukethwe kwamanzi kwe-resin akufanele kudlule u-0.3%.

5. Ukujiya kwefilimu kungalingani

Isizathu sokwehluleka:

①Iyunifomu ye-die gap ithinta ngokuqondile ukufana kogqinsi lwefilimu.Uma igebe lokufa lingafani, ezinye izingxenye zinegebe elikhulu kanti ezinye zinegebe elincane, okuholela ekuhlukaniseni kwe-extrusion.Ngakho-ke, ukushuba kwefilimu okwakhiwe akuhambelani, ezinye izingxenye zincane kanti ezinye ziwugqinsi;

② Ukusatshalaliswa kwezinga lokushisa akufani, amanye aphakeme kanti amanye aphansi, ngakho ukushuba kwefilimu akulingani;

③ Ukunikezwa komoya okuzungeze indandatho yokupholisa akuhambelani, okuholela kumphumela wokupholisa ongalingani, okuholela ekushubeni okungalingani kwefilimu;

④ Isilinganiso sokwehla kwamandla emali kanye nesilinganiso sokudonsa asifanele, okwenza ukushuba kwebhamuza lefilimu kube nzima ukulawula;

⑤ Isivinini sokudonsa asihlali njalo, sishintsha njalo, okuzothinta ngokuqinisekile ukushuba kwefilimu.

Izixazululo:

① Lungisa igebe lekhanda ukuze uqinisekise umfaniswano yonke indawo;

② Lungisa izinga lokushisa lokufa kwekhanda ukuze wenze ingxenye yokufa yezinga lokushisa iyunifomu;

③ Lungisa idivayisi yokupholisa ukuze uqinisekise ivolumu yomoya efanayo endaweni yokukhipha umoya;

④ Lungisa i-inflation ratio kanye ne-traction ratio;

⑤ Hlola idivayisi yokudlulisela engumshini ukuze ugcine isivinini sokudonsa singashintshi.

6. Ubukhulu befilimu bukhulu kakhulu

Isizathu sokwehluleka:

① Igebe le-Die nenani le-extrusion likhulu kakhulu, ngakho-ke ubukhulu befilimu bukhulu kakhulu;

② Ivolumu yomoya wendandatho yokupholisa yomoya inkulu kakhulu, futhi ukupholisa kwefilimu kuyashesha kakhulu;

③ Isivinini sokudonsa sihamba kancane kakhulu.

Izixazululo:

① Lungisa igebe lokufa;

② Yehlisa umthamo womoya wendandatho yomoya ngokufanele ukuze uqhubeke ukhulisa ifilimu, ukuze ukushuba kwayo kube kuncane;

③ Khulisa isivinini sokudonsa ngendlela efanele

7. Ukujiya kwefilimu mncane kakhulu

Isizathu sokwehluleka:

① I-Die gap incane kakhulu futhi ukumelana kukhulu kakhulu, ngakho ukushuba kwefilimu kuncane;

② Ivolumu yomoya yeringi yomoya opholile incane kakhulu futhi ukupholisa kwefilimu kuhamba kancane;

③ Isivinini sokudonsa siyashesha kakhulu futhi ifilimu yeluliwe kakhulu, ngakho ukujiya kuba mncane.

Izixazululo:

① Lungisa imvume yokufa;

② Khulisa umthamo womoya wendandatho yomoya ngendlela efanele ukuze usheshise ukupholisa kwefilimu;

③ Nciphisa isivinini sokudonsa ngendlela efanele.

8.Ukuvalwa kahle kwefilimu ngokushisa okushisayo

Isizathu sokwehluleka kanje:

① indawo yamazolo iphansi kakhulu, ama-molecule e-polymer aqondiswe, ukuze ukusebenza kwefilimu kusondele kufilimu eqondisayo, okuholela ekwehleni kokusebenza kokuvala okushisayo;

② isilinganiso esingalungile sokuvuthela kanye ne-traction ratio (inkulu kakhulu), ifilimu iyanwetshwa, ukuze ukusebenza kokuvala okushisayo kwefilimu kuthinteke.

Izixazululo:

① lungisa ivolumu yomoya kwindandatho yomoya ukuze wenze amazolo akhombe phezulu, bese uphephetha futhi udonse ngaphansi kwendawo encibilikayo yepulasitiki ngangokunokwenzeka ukuze unciphise umumo wokunwebeka wamangqamuzana okubangelwa ukushaywa nokudonsa;

② Isilinganiso sokuvuthela kanye nesilinganiso sokudonsa kufanele sibe sincane kancane.Uma isilinganiso sokuphefumula sikhulu kakhulu, futhi isivinini sokudonsa sishesha kakhulu, futhi ukwelula okuguquguqukayo nokude kwefilimu kudlulele, ukusebenza kwefilimu kuzothambekela ekunwebeni kwe-biaxial, kanye nempahla yokuvala eshisayo yefilimu izoba. mpofu.

9.Amandla okuqina we-longitudinal efilimu

Isizathu sokwehluleka :

① izinga lokushisa eliphezulu kakhulu le-resin encibilikayo lizonciphisa amandla e-longitudinal aqinile wefilimu;

② isivinini sokudonsa kancane, umphumela onganele wokuqondisa wefilimu, ukuze wenze amandla e-longitudinal aqine kakhulu;

③ isilinganiselo sokunweba esivunguzayo esikhulu kakhulu, esingahambelani nesilinganiso sokudonsa, ukuze umphumela ophambeneyo namandla aqinile wefilimu kukhule, namandla okubamba isikhathi eside kuzoba kubi kakhulu;

④ Ifilimu iphola ngokushesha kakhulu.

Izixazululo:

① ukunciphisa kahle izinga lokushisa le-resin encibilikisiwe;

② ukwandisa kahle isivinini sokudonsa;

③ lungisa isilinganiso sokwehla kwamandla emali ukuze sikwenze sivumelane nesilinganiso sokudonsa;④ yehlisa kahle isivinini sokupholisa.

10.Umehluko wamandla aguquguqukayo wefilimu

Izizathu zephutha:

① isivinini sokudonsa sishesha kakhulu, futhi umehluko ngesilinganiso sokwehla kwamandla emali mkhulu kakhulu, okubangela i-fibrosis endaweni yelongitudinal, futhi amandla aguquguqukayo abe buthakathaka;

② ijubane lokupholisa leringi yomoya opholile lihamba kancane kakhulu.

Izixazululo:

① yehlisa ngokufanelekile isivinini sokudonsa ukuze sifane nesilinganiso sokuvuthela;

② ukukhulisa ivolumu yomoya wendandatho yomoya ukuze wenze ifilimu ephephethwa umoya iphole ngokushesha ukuze ugweme ukwelulelwa nokuqondiswa ngaphansi kwesimo sokunwebeka esiphezulu sokushisa okuphezulu.

11. Ukungazinzi kwebhamuza lefilimu

Isizathu sokwehluleka:

① izinga lokushisa le-extrusion liphezulu kakhulu, i-fluidity ye-resin encibilikayo inkulu kakhulu, i-viscosity incane kakhulu, futhi kulula ukuguquguquka;

② izinga lokushisa le-extrusion liphansi kakhulu, futhi inani lokukhipha lincane;

③ ivolumu yomoya wendandatho yokupholisa yomoya ayizinzile, futhi ukupholisa ibhamuza lefilimu akufani;

④ iphazanyiswa futhi ithintwa ukugeleza komoya kwangaphandle okuqinile.

Izixazululo:

① lungisa izinga lokushisa le-extrusion;

② lungisa izinga lokushisa le-extrusion;

③ hlola indandatho yomoya opholile ukuze uqinisekise ukuthi umoya ozungezile ufana;

④ vimbela futhi unciphise ukuphazamiseka kokugeleza komoya kwangaphandle.

12.Indawo yefilimu eqinile futhi engalingani

Isizathu sokwehluleka:

① Izinga lokushisa le-extrusion liphansi kakhulu, i-plasticization ye-resin impofu;

② Isivinini sokukhipha sishesha kakhulu.

Izixazululo:

① lungisa ukulungiselelwa kwezinga lokushisa kwe-extrusion, futhi ukhuphule izinga lokushisa le-extrusion ukuze uqinisekise i-plasticization enhle ye-resin;

② yehlisa isivinini sokukhipha kahle.

13. Ifilimu inephunga elingavamile

Isizathu sokwehluleka:

① I-resin eluhlaza inephunga elingavamile;

② Izinga lokushisa lokukhipha inhlaka encibilikisiwe liphezulu kakhulu, okuholela ekuboleni kwenhlaka, okuholela ephunga elingavamile;

③ ukupholisa kwebhamuza le-membrane akwanele, futhi umoya oshisayo kubhamuza le-membrane awususwa ngokuphelele.

Izixazululo:

① buyisela izinto zokusetshenziswa kwe-resin;

② lungisa izinga lokushisa le-extrusion;

③ ukuthuthukisa ukusebenza kahle kokupholisa kokupholisa indandatho yomoya ukuze wenze ibhamuza lefilimu liphole ngokugcwele.