Izindaba

Amafilimu we-LDPE avame ukwenziwa yizinqubo zombili zokubumba nezinqubo zokuphonsa. Ifilimu le-polyethylene linobukhulu obufanayo, kepha akuvamile ukusetshenziswa ngenxa yentengo yalo ephezulu. Ifilimu ye-polyethylene ye-Blown yenziwa kusuka kuma-pellets webanga elihlanganisiwe nge-blow-milding machines, okuyinto esetshenziswa kakhulu ngenxa yezindleko zayo eziphansi.

Ifilimu eliphansi le-polyethylene liyisicwebezelayo, licwebezelayo, ukuthungwa okuthambile kwefilimu, ngokuqina okuhle kwamakhemikhali, ukubekwa uphawu kokushisa, ukumelana kwamanzi kanye nokuphikiswa komswakama, kungabikwa. Ukubuyiselwa kwayo okuyinhloko kuyisithiyo esimpofu ku-oksijini, evame ukusetshenziswa ezintweni eziguqukayo eziguqukayo, isendlalelo sangaphakathi sefilimu, kodwa futhi njengamanje iyona esetshenziswa kakhulu, inani elikhulu kakhulu lefilimu yokupakisha yepulasitiki, i-accounting for 40% ye ukusetshenziswa kwefilimu yokupakisha yepulasitiki.

Njengoba i-polyethylene molecule ayinayo amaqembu ama-polar futhi ine-crystallity ephezulu kanye ne-free yamandla yamahhala, ifilimu inezindawo ezingezinhle zokuphrinta kanye nokunamathela okungekho emhlolweni nasekuhlolweni, ngakho-ke ukwelashwa komhlaba kuyadingeka ngaphambi kokuphrinta nokukhanyiswa.

Okulandelayo ukwehluleka okuvamile nezixazululo ze-LDPE Blown Film:

Ifilimu enamathela kakhulu, evulekile

Imbangela Ukuhlaziywa:

1. I-resin resin ebonakalayo ayiyona yohlobo olufanele, hhayi ukushaywa kwe-Film Ibanga le-LDPE LDPE, elingenalo i-ejenti yokuvula noma i-ejenti yokuvula ikhwalithi ephansi;

2. Izinga lokushisa le-resin elicwengekile liphezulu kakhulu, uketshezi lukhulu kakhulu;

3. Isilinganiso esishayayo sikhulu kakhulu, okuphumela ekuvulekeni kwamafilimu okumpofu;

4. Ijubane elipholile lihamba kancane, ifilimu alipholile ngokwanele, futhi ukubumbana kwenzeka ngaphansi kwesenzo sengcindezi ye-roller traction;

I-5. Ijubane le-traction lishesha kakhulu.

Isixazululo

① Faka okunye esikhundleni se-resin raw impahla, noma engeza inani elithile le-ejenti yokuvula ku-hopper;

② Yehlisa ngokufanele kokushisa okuthuthukile kanye nokushisa kwe-resin;

③ yehlise ngokufanele isilinganiso sokushaya;

Khulisa ivolumu yomoya ukuze uthuthukise umphumela wokupholisa futhi usheshise isivinini sokupholisa amafilimu;

⑤ Yehlisa ijubane elifanele.

Ukusobala kwefilimu okumpofu

Imbangela Ukuhlaziywa:

1

2. Isilinganiso esishayayo sincane kakhulu;

3. Umphumela opholile opholile, ngaleyo ndlela uthinta ukucaca kwefilimu;

4. Okuqukethwe umswakama ezintweni ezibonakalayo ze-resin zikhulu kakhulu;

I-5. Ijubane le-traction lishesha kakhulu futhi ifilimu alipholiwa ngokwanele.

Isixazululo

① ukukhulisa ngokufanelekile lokushisa okuthuthukiswa kokukhishwa, ukuze i-resin ikwazi ukugqokwa ngokulinganayo;

② ukukhulisa ngokufanele isilinganiso sokushaya;

③Increase ivolumu yomoya ukuze uthuthukise umphumela wokupholisa;

Khulisa ivolumu yomoya ukuze uthuthukise umphumela wokupholisa;

④ Donsela impahla eluhlaza;

⑤ Yehlisa isivinini sokudonsa kahle ngokufanele.

Imibimbi yefilimu

Imbangela Ukuhlaziywa

1. Ubukhulu befilimu abangalingani;

2. Umphumela onganele wokupholisa;

I-3

I-4. I-angle ye-herringlone clamp ikhulu kakhulu, i-bubble yefilimu ithambekele ebangeni elifushane, ngakho ifilimu liphinde lithambekele ekukhongeni;

I-5. Ingcindezi ezinhlangothini zombili ze-roller ye-traction ayihambelani, uhlangothi olulodwa luphezulu futhi kolunye uhlangothi luphansi;

I-6. Ama-axes phakathi kwe-roller roller akayona ukufana, okuthinta ukuqina nokucabangela kwefilimu, ngakho-ke kwavela.

Isixazululo

① Lungisa ubukhulu befilimu ukuze uqinisekise ubukhulu bomfaniswano;

② Thuthukisa umphumela wokupholisa ukuze uqinisekise ukuthi ifilimu ingaphola ngokuphelele;

③ yehlise ngokufanele isilinganiso sokushaya;

③ Yehlisa isilinganiso sokushaya ngendlela efanele;

④ Yehlisa i-clamping angle ye-herringlone cwemp ngendlela efanele;

⑤ Lungisa ingcindezi ye-roller ye-traction ukuze uqinisekise ukuthi ifilimu ifakwa ngaphansi kwamandla afanayo;

⑥ Bheka i-axis ye-Shaft ngayinye yomhlahlandlela bese uwenza uhambisane komunye nomunye.

Ukusebenza okushisa kahle kwefilimu

Imbangela Ukuhlaziywa

1. Umugqa weqhwa uphansi kakhulu, ama-molecule e-polymer ahlukane, ngaleyo ndlela enza ukusebenza kwefilimu eduze kwefilimu ethambekele, okuphumela ekusebenzeni kokushisa okushisayo okuphansi;

2

Isixazululo

① Lungisa usayizi wevolumu yomoya endalini yomoya ukuze wenze amazolo aphakeme kancane, ngangokunokwenzeka, ngaphansi kwephuzu lokuncibilika lokushaya kwepulasitiki kanye nokukhohlisa, ukuze kuncishiswe ama-molecule ngenxa yokushaya kanye nokukhonkotha okubangelwa ukwalula ukuma;

② Izilinganiso zokushaya kanye ne-traction zincane kufanele zibe zincane. Uma isilinganiso sokushaya sikhulu kakhulu futhi ijubane le-traction lishesha kakhulu, ifilimu ifakwa ngokweqile kwizikhombisi-ndlela eziguqukayo nezide, khona-ke ukusebenza kwefilimu kuvame ukwelulwa ngokufanele, futhi izikhala zokushisa kwefilimu zizoba mpofu.

Ifilimu linephunga

Imbangela Ukuhlaziywa

1. I-resin eluhlaza impahla uqobo inephunga;

2. Izinga lokushisa le-extrusion le-resin elicwengekile liphezulu kakhulu, elibangela i-resin ukuba ibole, ngaleyo ndlela ikhiqize iphunga;

3. Ukupholisa okunganele kwe-bubble yefilimu, umoya oshisayo ngaphakathi kwe-bubble yefilimu awususwanga.

Isixazululo

①Izinto zokuphumula ze-resin eluhlaza;

② Lungisa izinga lokushisa lokukhishwa;

③Ijwayela ukusebenza kahle kokupholisa kwendandatho yomoya epholile, ukuze i-bubble yefilimu ipholile ngokwanele.

Ama-white aqondile phezu kwefilimu

Isisusa: Ikakhulukazi izithasiselo ezintweni zokwenziwa eziluhlaza, ama-molecular molecula izinsimbi ahlala nothuli, njll.

Isixazululo

① ① ① ter mboza isikhathi esithile, wandise ijubane lesikulufo, wandise ukuncipha kwengcindezi yokukhishwa, susa izici.

② Hlanza njalo umlomo.

Khuphula izinga lokushisa lokuncibilika ukuncibilika ukuplathisa ngokuphelele;

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Ukungeza inani elincane leSilike Simer 5064MB1, Silimer 5064MB32Futhi okunye uchungechunge lwemikhiqizo kungathuthukisa kakhulu ikhwalithi yefilimu, ngokungafani ne-talc yendabuko,Uchungechunge lwe-Silimer lwefilimu elinganqobekiI-talc ayihlanganisi, ayiphumi ku-powder, i-coefficient yengxabano iyazinza, i-talc ephezulu yokushisa ayinamatheli. Ngasikhathi sinye akuphazamisi ukucutshungulwa okulandelayo kwefilimu, akukuthinti ukusebenza kokushisa kokushisa kwamafilimu, akukuthinti ukucaca kwefilimu, akuthinti ukuphrinta, ukugcona nokunye.

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