Jakar PE jaka ce da aka saba amfani da ita a rayuwarmu ta yau da kullun, ana amfani da ita don kowane nau'in marufi na 'ya'yan itace da kayan lambu, jakunkunan siyayya, marufi na kayayyakin noma, da sauransu. Yin jakar fim mai sauƙi da alama na filastik na iya zama da wahala sosai. Tsarin samar da jakar PE ya haɗa da barbashi na filastik - haɗakar narkar da zafi - shimfiɗa fitarwa - maganin lantarki -; Jakar PE galibi ita ce hanyoyin da aka ambata a sama, waɗanda aka sauƙaƙe bayan matakai uku: buga fim -------- yin jaka.
Tsarin buga jakar PE ya kamata ya kula da menene?
Polyethylene, kyakkyawan juriya ga ƙarancin zafin jiki (amfani da zafin jiki har zuwa -70 ~ -100), kwanciyar hankali na sinadarai, yawancin lalacewar acid da alkali (tare da rashin jurewar acid mai hana iskar oxygen), ba ya narkewa a cikin abubuwan narkewa gabaɗaya a zafin ɗaki, ƙarancin sha, kyakkyawan aikin kariya na lantarki. Duk da haka, polyethylene yana da saurin kamuwa da damuwa ta muhalli (ayyukan sinadarai da na inji) kuma ba shi da kyau a tsufar zafi. Halayen polyethylene sun bambanta daga nau'in zuwa nau'in, galibi ya danganta da tsarin kwayoyin halitta da yawansu. Ana iya samun samfuran da yawa daban-daban (0.91-0.96 G/CM3) ta hanyoyin samarwa daban-daban. Ana iya sarrafa polyethylene ta hanyar hanyoyin samar da thermoplastic na yau da kullun (duba sarrafa filastik).
Mene ne bayanin da ya shafi tsarin dalla-dalla a ƙasa?
Tsarin busar da fim ya kamata a yi la'akari da waɗannan abubuwa:
1. Rabon kayan da aka yi amfani da su: bisa ga buƙatun daban-daban na jakunkunan PE, shirya rabon kayan da aka yi amfani da su daban-daban. Misali: hana tsatsa, hana tsatsa, ragewa, ikon amfani da wutar lantarki, lalata abubuwa da sauran buƙatu, ƙara nau'ikan ƙarin abubuwa kamar: don amfani da ja, baƙi, launi da sauran launuka, ƙara nau'ikan launuka iri-iri. Dangane da bayyanawa, tauri, ƙarfin tsagewa, cirewar injin da sauran buƙatu, maye gurbin nau'ikan samfuran ko samfuran kayan PE. Misali: bisa ga buƙatu na musamman, jaddada buƙatun babban bayyanawa, tsagewa mai ƙarfi, kyakkyawan buɗewa, don canza rabon kayan.
2. Tsarin buga fim, buƙatar sarrafa lantarki, a wannan lokacin don kula da ƙarfin sarrafa lantarki, don tabbatar da cewa ƙarfin sarrafa lantarki na kayan ganga na PE (DAYIN) ya isa don tabbatar da mannewar tawada.
3. a cikin tsarin busa fim, bisa ga buƙatun musamman na fim ɗin, buɗewa ɗaya, buɗewa biyu, naɗewa, lalacewar wurin matsi, embossing, faɗaɗawa da sauran ayyuka.
Tsarin buga jaka na PE ya kamata ya kula da waɗannan batutuwa masu zuwa:
1. Tawada ta bugawa: tawada mai ruwa, tawada mai busarwa da sauri, tawada mara ganuwa, tawada mai canza launi, tawada mai hana jabun kuɗi, tawada mai induction, tawada mai sarrafa wutar lantarki, tawada mai ƙarancin lantarki, tawada mai matte da sauran halaye na tawada sune tawada.
2. Faranti na bugawa: bisa ga ƙa'idodin da ake buƙata na bugu, ana amfani da bugu na gravure (faranti na tagulla) da kuma bugu na flexography (offset). Waɗannan hanyoyi biyu na bugawa daban-daban.
3. Dangane da sarkakiyar abubuwan da ke cikin bugu da sarkakiyar launi, zaɓi hanyar bugawa: bugu mai launin monochrome, bugu mai launin monochrome, bugu mai launin gefe ɗaya, bugu mai launin gefe biyu.
4. Dangane da buƙatun musamman na tsarin bugawa, bisa ga halayen canza launi, hana jabun abubuwa, ikon amfani da wutar lantarki, manne da sauransu, zaɓi tawada ko ƙari daban-daban.
Lokacin Saƙo: Maris-03-2022
