With the continuous development of industrialization, self-adhesive labels have become an indispensable part of modern life. In the production process of self-adhesive labels, printing is the most important part. In the production of self-adhesive labels, commonly used printing methods include relief printing, kusindikiza kwa gravure, kusindikiza kwa offset, kusindikiza kwa flexo, ndi kusindikiza pazenera. These five printing methods have their own characteristics and scope of application, and we will introduce them one by one below.
1. Relief Printing
Relief printing is one of the most commonly used printing methods in self-adhesive labels. It is a printing method that applies ink to the raised graphics and text on the printing plate, and then imprints the ink onto the printed object. . Letterpress ndi mbale yosindikizira yojambulidwa, nthawi zambiri amapangidwa ndi zinthu zapadera monga mphira, nayiloni, kapena zinthu za polima. Zinthuzo zimakutidwa ndi photoresist ndipo zimawonetsedwa ndi kuwala kwa ultraviolet kuti apange chithunzi chokwezeka.
Pa nthawi yosindikiza, letterpress amaikidwa pa makina osindikizira, inki imayikidwa pa letterpress, kenako kukanikizira pa chinthu kuti chisindikizidwe. Kupanikizika kwa silinda ya makina osindikizira kumapangitsa inkiyo kufinyidwa pa chinthu chosindikizidwa., kupanga chithunzi chokwezeka kapena mawu. Ubwino wa kusindikiza kusindikiza kwa mpumulo ndikuti chosindikizira chosindikizira chimakhala chakuda, mtundu ndi wowala, ndipo ali ndi kapangidwe. Ndizoyenera kusindikiza zilembo zomwe zimafunikira kuwunikira mawonekedwe amtundu ndi mawonekedwe owoneka, monga zilembo zamalonda, Zolemba za LOGO, ndi zina.
Kusindikiza kwa mpumulo kuli koyenera pazinthu zosiyanasiyana zosindikizira zolemba zodzikongoletsera, kuphatikizapo pepala, filimu ya polyester, filimu ya polypropylene, ndi zina. Kuphatikiza apo, kusindikiza kwa letterpress kungagwiritsenso ntchito inki zosiyanasiyana, monga inki zamadzi, inki zosungunulira, Inks za UV, ndi zina., kukwaniritsa zosowa zosiyanasiyana zosindikiza. M'mawu amodzi, embossing ndi njira yosindikizira yapamwamba kwambiri, oyenera kusindikiza zolemba zodzikongoletsera zomwe zimafunikira kutsindika zowoneka ndi chithunzi chamtundu.
2. Gravure kusindikiza
Mosiyana ndi kusindikiza mpumulo, kusindikiza kwa gravure kumakwaniritsa kusindikiza poyika pateni pa mbale yosindikizira, kugwiritsa ntchito inki kumadera otsekeka, ndiyeno kusamutsa inkiyo ku chinthu choti chisindikizidwe. Intaglio nthawi zambiri imapangidwa ndi zinthu ngati zitsulo monga mkuwa, zinki, aluminiyamu, ndi zina.
Mu gravure kusindikiza ndondomeko, inki imayikidwa pa mbale yosindikizira, ndi chipangizo chotchedwa mbale mpukutu ntchito kufinya inki mu recessed mapatani ndi malemba. Gawolo limayikidwa pansi pa choponderetsa ndipo inki imasamutsidwa ku gawo lapansi. Popeza chitsanzo ndi zolemba za intaglio zamira, inki idzaikidwa m'maderawa okha, kupanga chidziwitso chakuya ndi kapangidwe.
Ubwino wa kusindikiza kwa gravure ndikuti mawonekedwe ndi zilembo ndizomveka komanso zomveka, ndipo kulondola kosindikiza ndikwambiri, zomwe ndi zoyenera kusindikiza zilembo zazing'ono ndi mizere. Kusindikiza kwa gravure kumathanso kugwiritsa ntchito inki zosiyanasiyana, monga inki zamadzi, inki zosungunulira, Inks za UV, ndi zina., kukwaniritsa zosowa zosiyanasiyana zosindikiza. Kuphatikiza apo, liwiro losindikiza la kusindikiza kwa gravure ndilofulumira, kupanga bwino ndikwambiri, ndi zolemba zapamwamba zodzikongoletsera zimatha kupangidwa mochuluka.
Mwachidule, kusindikiza kwa gravure ndi njira yabwino komanso yolondola kwambiri yosindikizira, oyenera kusindikiza zilembo zodzimatira zomwe zimafuna mawonekedwe omveka bwino komanso atsatanetsatane ndi zolemba.
3. Kusindikiza kwa Offset
Mu njira yosindikizira ya offset, machitidwe ndi zilembo zimasindikizidwa pa mbale yosindikizira yathyathyathya, ndiyeno inkiyo amasamutsidwa ku chinthu chosindikizidwa ndi chogudubuza chosindikizira cha bulangeti. Kusindikiza kwa Offset kumatha kugwiritsa ntchito inki zosiyanasiyana, monga inki zamadzi, inki zosungunulira, Inks za UV, ndi zina.
Chinthu chofunika kwambiri pa makina osindikizira a offset ndi kupanga mbale zosindikizira. Choyamba, mapatani ndi zolemba ziyenera kujambulidwa pafilimu yopyapyala ya zinthu ngati polima, zomwe kenako zimasamutsidwa ku mbale yathyathyathya yosindikizira. Nthawi zambiri mbale zosindikizira zimapangidwa ndi aluminiyamu, koma akhoza kukhala zipangizo zina zofanana.
Pa nthawi yosindikiza, inki imayikidwa pa mbale yosindikizira, ndi chipangizo chotchedwa mbale roller ntchito kufinya inki pa patani ndi malemba. Gawolo limayikidwa pansi pa choponderetsa ndipo inki imasamutsidwa ku gawo lapansi. Popeza mbale yosindikizira ndi yathyathyathya, zotsatira zosindikiza nthawi zambiri zimakhala zosalala ndipo sizitulutsa zotsatira zokwezeka kapena zokhumudwitsa.
Ubwino wa kusindikiza kwa offset ndikufulumira kusindikiza komanso kuthamanga kwambiri, ndipo ndiyoyenera kusindikiza zilembo zodzimatira mochuluka. Kuphatikiza apo, makina osindikizira a offset amatha kugwiritsa ntchito inki ndi mitundu yosiyanasiyana ya inki kuti akwaniritse zosowa zosiyanasiyana zosindikiza, ndipo amatha kusindikiza mapangidwe apamwamba ndi zilembo.
Powombetsa mkota, kusindikiza kwa offset ndi njira yosindikizira yachangu komanso yothandiza yodzimatira, zomwe nthawi zambiri zimagwiritsidwa ntchito kusindikiza zilembo zazikulu, zolemba zokongola, monga zolemba pazakumwa ndi zinthu zamagetsi.
4. Kusindikiza kwa Flexographic
Kusindikiza kwa Flexo ndiukadaulo wothamanga kwambiri komanso njira yosindikizira zilembo zodzimatirira.. Kusindikiza kwa Flexo kumagwiritsa ntchito njira yosindikizira yofanana ndi kusindikiza kwa offset, koma amagwiritsa ntchito mbale zosindikizira za flexographic m'malo mwa mbale zolimba za lithographic. Kusindikiza kwa Flexo nthawi zambiri kumagwiritsa ntchito zinthu zowonjezera monga poliyesitala kapena polyamide, zomwe zimatha kupindika, zopindika ndi zotambasulidwa kuti zigwirizane ndi malo osindikizira osiyanasiyana ndi mawonekedwe.
Chosindikizira chosindikizira cha flexo chosindikizira chimakhala chofewa, zomwe zimatha kusintha bwino mawonekedwe ndi mawonekedwe osiyanasiyana, monga matumba osindikizira, mapaipi, mabotolo, ndi zina. Ma inki osindikizira a flexo nthawi zambiri amakhala okhuthala kuti azitha kuphimba malo osiyanasiyana. Mu njira yosindikizira ya flexographic, inki ikugwiritsidwa ntchito pa mbale yosindikizira ya flexographic ndiyeno imasamutsidwa ku chinthu chomwe chiyenera kusindikizidwa ndi chodzigudubuza chosindikizira..
Ubwino wa kusindikiza kwa flexo ndikuchita bwino kwambiri, mtengo wotsika, komanso oyenera kusindikiza zilembo zodzimatira mochuluka. Flexo imathanso kusindikiza pazinthu zosiyanasiyana monga zitsulo, pepala, ma polima ndi matepi. Kusindikiza kwa Flexo nthawi zambiri kumafuna ntchito yocheperako yosindikiza ndipo kumatha kumaliza ntchito zambiri zosindikiza munthawi yochepa..
Komabe, kusindikiza kwa flexo kulinso ndi zovuta zake, monga kulephera kusindikiza zithunzi ndi zolemba zapamwamba, ndi kusindikiza khalidwe angakhudzidwe ndi mbale wodzigudubuza ndi inki. Kuphatikiza apo, chifukwa inki ndi yolimba, nthawi yosindikiza yosindikiza ndi yayitali, zomwe zingakhudze luso la kupanga.
Ngakhale khalidwe losindikiza la kusindikiza kwa flexo likhoza kukhudzidwa ndi mbale za flexographic ndi inki, kusindikiza kwa flexo ndi njira yosindikizira yabwino komanso yotsika mtengo yosindikizira kwambiri zilembo zodzimatira..
5. Kusindikiza pazenera
Mfundo yofunikira pakusindikiza pazenera ndikuyika inki pazenera, ndiyeno ikani chophimba pamwamba pa chinthu chosindikizidwa. Inki imasamutsidwa pamwamba pa chinthu chosindikizidwa kupyolera mu gridi ya chinsalu kuti apange chithunzi kapena malemba. Poyerekeza ndi njira zina zodzimatira zolemba zolemba, kusindikiza pazenera kuli ndi zabwino zambiri, monga mitundu yosiyanasiyana ya inki ingagwiritsidwe ntchito, liwiro losindikiza ndi lachangu, ndipo akhoza kusindikizidwa pa zipangizo zosiyanasiyana.
Kusindikiza pazenera kumakhala ndi ntchito zambiri ndipo kumatha kugwiritsidwa ntchito posindikiza zilembo zodzimatira, galasi, zadothi, pepala, matabwa ndi zipangizo zina. Ukadaulo wosindikizira pazenera umagwiritsidwanso ntchito kwambiri popanga zilembo zodzimatira, makamaka zolemba zomwe sizifuna kusindikiza kolondola kwambiri. Kusindikiza pazenera kungathenso kukwaniritsa mtundu umodzi komanso kusindikiza kwamitundu yambiri, koma mawonekedwe ake osindikizira ndi otsika, zomwe sizili zoyenera kusindikiza zithunzi ndi zolemba zapamwamba.
Choyipa chachikulu cha kusindikiza kwazenera ndikuti sikungathe kukwaniritsa chithunzi cholondola kwambiri komanso kusindikiza mawu, ndipo mtengo wopangira ndikusintha chinsalucho ndi wokwera kwambiri, ndipo pamafunikanso nthawi yowonjezereka ndi ntchito zambiri posindikiza. Komabe, kusindikiza pazenera kuli ndi ubwino wa liwiro losindikizira mwachangu komanso mtengo wotsika wosindikiza, ndipo ndi yoyenera kwa voliyumu yayikulu, otsika mwatsatanetsatane kudziona zomatira chizindikiro kusindikiza amafuna.
Kusindikiza kwazenera kuli ndi ubwino wa liwiro losindikiza mofulumira, mtengo wotsika komanso woyenera pazinthu zosiyanasiyana. Ngakhale kusindikiza kwazenera sikungathe kusindikiza zithunzi ndi zolemba zapamwamba kwambiri, akadali ukadaulo wofunikira pakusindikiza zolemba zodzimatira.
Mwambiri, njira zosindikizira zolembera zodzikongoletsera makamaka zimaphatikizapo mitundu isanu: kusindikiza kwa letterpress, kusindikiza kwa gravure, kusindikiza kwa offset, kusindikiza kwa flexo, ndi kusindikiza pazenera. Njira iliyonse yosindikizira ili ndi mfundo zake zosindikizira komanso mawonekedwe ake, zomwe zimatha kukwaniritsa zofunikira zosindikiza za zosowa zosiyanasiyana. Mwachitsanzo, embossing ikhoza kukwaniritsa molondola kwambiri, apamwamba kusindikiza zotsatira, pamene kusindikiza kwa offset kungathe kukwaniritsa kusindikiza kwamitundu yambiri ndi kusindikiza kwachangu.
Posankha kudziletsa zomatira chizindikiro kusindikiza njira, zinthu zingapo ziyenera kuganiziridwa, monga zofunikira zosindikiza, zosindikizira, voliyumu yosindikiza, mtengo wosindikiza, ndi zina. Choncho, posankha njira yosindikizira, ndikofunikira kusanthula mosamala ndikuyerekeza zabwino ndi zoyipa za njira zosiyanasiyana zosindikizira kuti musankhe njira yosindikizira yomwe ikugwirizana ndi zosowa zanu..
