mbendera

Flexo, monga momwe dzinalo likusonyezera, ndi mbale yosindikizira ya flexographic yopangidwa ndi utomoni ndi zipangizo zina.Ndi makina osindikizira a letterpress.Mtengo wopangira mbale ndi wotsika kwambiri kuposa wazitsulo zosindikizira zachitsulo monga mbale zamkuwa za intaglio.Njira yosindikizirayi inaperekedwa chapakati pa zaka zana zapitazi.Komabe, panthawiyo, luso la inki lothandizira madzi linali lisanapangidwe kwambiri, ndipo zofunikira zoteteza chilengedwe sizinali zokhudzidwa kwambiri panthawiyo, kotero kuti kusindikiza kwa zinthu zopanda madzi sikunapitirire.

Ngakhale kusindikiza kwa flexographic ndi kusindikiza kwa gravure kumakhala kofanana pochita, zonsezi zimamasula, zokhotakhota, zotengera inki, kuyanika, ndi zina zotero, komabe pali kusiyana kwakukulu mwatsatanetsatane pakati pa ziwirizi.M'mbuyomu, inki za gravure ndi zosungunulira zimakhala ndi zotsatira zowoneka bwino zosindikiza.Kuposa kusindikiza kwa flexographic, tsopano ndi chitukuko chachikulu cha inki zamadzi, ma inki a UV ndi matekinoloje ena otetezera zachilengedwe, zizindikiro za kusindikiza kwa flexographic zikuyamba kuonekera, ndipo sizili zotsika kusindikiza gravure.Nthawi zambiri, kusindikiza kwa flexographic kuli ndi izi:

1. Mtengo wotsika

Mtengo wopangira mbale ndi wotsika kwambiri kuposa wa gravure, makamaka posindikiza m'magulu ang'onoang'ono, kusiyana kwake ndi kwakukulu.

2. Gwiritsani ntchito inki yochepa

Kusindikiza kwa flexographic kumatenga mbale ya flexographic, ndipo inki imasamutsidwa kupyolera mu anilox roller, ndipo kugwiritsa ntchito inki kumachepetsedwa ndi 20% poyerekeza ndi mbale ya intaglio.

3. Liwiro losindikiza liri mofulumira ndipo mphamvu yake ndi yapamwamba

Makina osindikizira a flexographic okhala ndi inki yapamwamba yochokera m'madzi amatha kufika mosavuta pa liwiro la mamita 400 pamphindi, pamene kusindikiza kwa gravure nthawi zambiri kumatha kufika mamita 150.

4. Wokonda zachilengedwe

Mu kusindikiza kwa flexo, ma inki opangidwa ndi madzi, ma inki a UV ndi ma inki ena okonda zachilengedwe amagwiritsidwa ntchito nthawi zambiri, omwe ndi okonda zachilengedwe kuposa inki zosungunulira zomwe zimagwiritsidwa ntchito mu gravure.Palibe pafupifupi kutulutsa kwa VOCS, ndipo kumatha kukhala chakudya.

Mawonekedwe a gravure kusindikiza

1. Mtengo wokwera wopangira mbale

M'masiku oyambirira, mbale za gravure zinkapangidwa pogwiritsa ntchito njira zowonongeka ndi mankhwala, koma zotsatira zake sizinali zabwino.Tsopano mbale za laser zitha kugwiritsidwa ntchito, kotero kulondola kwake ndikwambiri, ndipo mbale zosindikizira zopangidwa ndi mkuwa ndi zitsulo zina zimakhala zolimba kuposa mbale zosinthika za utomoni, koma mtengo wopangira mbale ndiwokweranso.Ndalama zoyamba, zokulirapo.

2. Bwino kusindikiza kulondola ndi kusasinthasintha

Chitsulo chosindikizira chachitsulo chimakhala choyenera kwambiri kusindikiza kwakukulu, ndipo chimakhala chokhazikika bwino.Zimakhudzidwa ndi kukula kwa kutentha ndi kutsika ndipo ndizochepa

3. Kugwiritsa ntchito inki yayikulu komanso mtengo wokwera wopanga

Pankhani ya kusamutsa kwa inki, kusindikiza kwa gravure kumadya inki yochulukirapo, zomwe zimachulukitsa mtengo wopanga.

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Nthawi yotumiza: Jan-17-2022