Packaging material technology丨Kuwunika mwachidule kwaukadaulo wosindikizira wazitsulo

Pakati pazinthu zachitsulo,aluminiyamumachubu ali ndi mawonekedwe amphamvu kwambiri, mawonekedwe okongola, kulemera kopepuka, opanda poizoni, komanso opanda fungo. Nthawi zambiri amagwiritsidwa ntchito m'mafakitale a cosmetology ndi mankhwala. Monga chosindikizira, chitsulo chimakhala ndi mizere yabwino yopangira komanso mitundu yosiyanasiyana ya makongoletsedwe. Kusindikiza kumathandizira ku umodzi wa mtengo wake wogwiritsidwa ntchito ndi luso.

kusindikiza zitsulo 

Kusindikiza pa zinthu zolimba monga mbale zachitsulo, zotengera zachitsulo (zopangidwa ndi zitsulo), ndi zojambula zachitsulo. Kusindikiza kwachitsulo nthawi zambiri sikumakhala komaliza, koma kumafunikanso kupangidwa muzitsulo zosiyanasiyana, zophimba, zomangira, ndi zina zotero.

01 Zowoneka

Mitundu yowala, zigawo zolemera, komanso zowoneka bwino. 

Zosindikizira zili ndi processability zabwino komanso kusiyanasiyana kwamapangidwe kakongoletsedwe. (Imatha kuzindikira mapangidwe atsopano komanso apadera, kupanga masilindala owoneka ngati apadera, zitini, mabokosi ndi zotengera zina, kukongoletsa zinthu ndikuwongolera mpikisano wazinthu) 

Ndikoyenera kuzindikira mgwirizano wamtengo wapatali wogwiritsira ntchito ndi luso la mankhwala. (Zinthu zachitsulo zimakhala ndi ntchito yabwino komanso kukana kwa inki komanso kulimba kwa inki kumapanga mikhalidwe yodziwira mamangidwe apadera ndi kusindikiza kokongola, kumapangitsa kuti zinthu zikhale zolimba komanso zokhazikika, ndipo ndi umodzi wamtengo wogwiritsa ntchito ndi luso)

02Kusankha njira yosindikiza

Malingana ndi mawonekedwe a gawo lapansi, ambiri a iwo amagwiritsa ntchito kusindikiza kwa offset, chifukwa kusindikiza kwa offset ndi kusindikiza kwachindunji, kudalira chogudubuza cha rabara kuti chigwirizane ndi gawo lapansi lolimba kuti amalize kutumiza inki. 

Pepala lathyathyathya (tinplate-zidutswa zitatu zitini)------offset kusindikiza

Zopangira zoumbidwa (zitini za aluminiyamu zodinda ziwiri) ----- kusindikiza kwa letterpress offset (kusindikiza kowuma) 

Kusamalitsa

Choyamba: Kusindikiza kwazitsulo zachitsulo, njira yosindikizira mwachindunji yosindikizira mbale yosindikizira yachitsulo cholimba ndi gawo lapansi lolimba silingagwiritsidwe ntchito, ndipo kusindikiza kosalunjika kumagwiritsidwa ntchito nthawi zambiri. 

Chachiwiri: Imasindikizidwa makamaka ndi lithographic offset printing ndi letterpress dry offset.

2. Zida zosindikizira 

Kusindikiza pa zinthu zolimba monga mbale zachitsulo, zotengera zachitsulo (zopangidwa ndi zitsulo), ndi zojambula zachitsulo. Kusindikiza kwachitsulo nthawi zambiri sikumakhala komaliza, koma kumafunikanso kupangidwa muzitsulo zosiyanasiyana, zophimba, zomangira, ndi zina zotero.

01 pansi 

(Tin plated steel plate) 

Chinthu chachikulu chosindikizira chosindikizira zitsulo ndi tini-chokutidwa pagawo lochepa lazitsulo. Kuchuluka kwake kumakhala 0.1-0.4mm.

Mawonekedwe ophatikizika a tinplate:

Zida zoyikamo

Ntchito ya filimu yamafuta ndikuletsa kukwapula kwapamtunda komwe kumachitika chifukwa cha kukangana panthawi ya stacking, bundling kapena kutumiza mapepala achitsulo.

② Malinga ndi njira zosiyanasiyana zokutira malata, zimagawidwa kukhala: tinplate yotentha yothira; electroplated tinplate

02Wuxi mbale yachitsulo yopyapyala

Chitsulo chosagwiritsa ntchito malata nkomwe. Chotetezeracho chimapangidwa ndi chitsulo chochepa kwambiri cha chromium ndi chromium hydroxide:

① Mawonekedwe amtundu wa TFS

Zida zoyikamo1

Chitsulo chachitsulo cha chromium chimatha kukulitsa kukana kwa dzimbiri, ndipo chromium hydroxide imadzaza ma pores pa chromium wosanjikiza kuti apewe dzimbiri.

②Zolemba:

Choyamba: Kuwala kwapamwamba kwa mbale yachitsulo ya TFS ndikosavuta. Ngati zitasindikizidwa mwachindunji, kumveka bwino kwa chitsanzocho kudzakhala kosauka.

Chachiwiri: Mukamagwiritsa ntchito, ikani utoto wophimba pamwamba pa chitsulo chachitsulo kuti muzitha kumamatira kwa inki komanso kukana dzimbiri.

03 zinc chitsulo mbale

Chitsulo chozizira chozizira chimakutidwa ndi zinc yosungunuka kupanga mbale yachitsulo ya zinki. Kupaka mbale yachitsulo ya zinki ndi utoto wamitundu kumakhala mbale yamtundu wa zinc, yomwe imagwiritsidwa ntchito popanga mapanelo okongoletsera.

04 Aluminium pepala (zinthu za aluminiyamu)

① Gulu

Zakuyikapo2

Mapepala a aluminiyamu ali ndi katundu wabwino kwambiri. Pa nthawi yomweyo, reflectivity pamwamba pa mbale zotayidwa ndi mkulu, printability wabwino, ndi zotsatira zabwino kusindikiza akhoza analandira. Choncho, posindikiza zitsulo, mapepala a aluminiyumu amagwiritsidwa ntchito kwambiri.

②Zinthu zazikulu:

Poyerekeza ndi tinplate ndi TFS zitsulo mbale, kulemera ndi 1/3 wopepuka;

Sapanga ma oxides pambuyo popaka utoto ngati mbale zachitsulo;

Palibe fungo lachitsulo lomwe lidzapangidwe chifukwa cha mpweya wa ayoni wachitsulo;

Kuchiza pamwamba ndikosavuta, ndipo zotsatira zamtundu wowala zitha kupezeka pambuyo kupaka utoto;

Ili ndi ntchito yabwino yotumizira kutentha komanso kuwunikira kowunikira, ndipo ili ndi luso lophimba bwino polimbana ndi kuwala kapena gasi.

③Zolemba

Pambuyo pa kugudubuzika kuzizira kwa mbale za aluminiyamu, zinthuzo zimakhala zopanda mphamvu pamene zimauma, kotero mapepala a aluminiyumu ayenera kuzimitsidwa ndi kupsya mtima.

Pamene zokutira kapena kusindikiza, kufewetsa kudzachitika chifukwa cha kutentha. Zida za aluminiyamu mbale ziyenera kusankhidwa malinga ndi cholinga chogwiritsira ntchito.

3. Inki yosindikizira yachitsulo (penti)

Pamwamba pazitsulo zachitsulo ndi zosalala, zolimba komanso sizimayamwa bwino inki, kotero inki yosindikizira yofulumira iyenera kugwiritsidwa ntchito. Popeza ma CD ali ndi zofunika zambiri zapadera ndipo pali zambiri chisanadze kusindikiza ndi pambuyo-kusindikiza ❖ kuyanika masitepe kukonza zotengera zitsulo, pali mitundu yambiri ya inki kusindikiza zitsulo.

Zakuyikapo3

01 utoto wamkati 

Inki (yophimba) yomwe imakutidwa pakhoma lamkati mwachitsulocho imatchedwa kupaka mkati.

① Ntchito

Onetsetsani kudzipatula kwachitsulo kuchokera kuzinthu kuti muteteze chakudya;

Phimbani mtundu wa tinplate wokha.

Tetezani chitsulo kuti chisawonongeke ndi zomwe zili mkati mwake.

②Zofunika

Utoto umakhudzana mwachindunji ndi zomwe zili mkati, choncho utoto umayenera kukhala wopanda poizoni komanso wopanda fungo. Iyenera kuumitsidwa mu chowumitsira pambuyo zokutira mkati.

③Mtundu

utoto wamtundu wa zipatso

Makamaka wonyezimira utomoni mtundu zolumikizira zolumikizira.

Zopaka za chimanga ndi tirigu

Makamaka oleoresin mtundu binder, ndi tinthu ting'onoting'ono wa zinc oxide anawonjezera.

kupaka mtundu wa nyama

Pofuna kupewa dzimbiri, utomoni wa phenolic ndi zida zolumikizira zamtundu wa epoxy resin zimagwiritsidwa ntchito kwambiri, ndipo mitundu ina ya aluminiyamu nthawi zambiri imawonjezedwa kuti ateteze kuipitsidwa kwa sulfure.

General penti

Makamaka oleoresin mtundu binder, ndi ena phenolic utomoni anawonjezera.

02 zokutira zakunja

Inki (zophimba) zomwe zimagwiritsidwa ntchito posindikiza pazitsulo zakunja zazitsulo zopangira zitsulo ndi zokutira zakunja, zomwe zimagwiritsidwa ntchito kuonjezera maonekedwe ndi kulimba.

① utoto woyambira

Amagwiritsidwa ntchito ngati choyambira asanasindikize kuti atsimikizire kulumikizana kwabwino pakati pa inki yoyera ndi pepala lachitsulo ndikuwongolera kumamatira kwa inki.

Zofunikira paukadaulo: Choyambira chiyenera kukhala chogwirizana bwino ndi chitsulo pamwamba ndi inki, madzi abwino, utoto wopepuka, kukana madzi abwino, komanso makulidwe opaka pafupifupi 10 μm.

②Inki yoyera - yogwiritsidwa ntchito popanga maziko oyera

Amagwiritsidwa ntchito ngati mtundu wakumbuyo posindikiza zithunzi ndi zolemba zamasamba athunthu. Chophimbacho chiyenera kukhala chomatira bwino ndi choyera, ndipo chisatembenuke chachikasu kapena kuzimiririka pansi pa kutentha kwakukulu, ndipo sichiyenera kusenda kapena kusenda panthawi yopangira chitini.

Ntchito yake ndikupangitsa inki yamitundu yosindikizidwa bwino. Kawirikawiri malaya awiri kapena atatu amagwiritsidwa ntchito ndi chogudubuza kuti akwaniritse zoyera zomwe mukufuna. Pofuna kupewa chikasu cha inki yoyera panthawi yophika, mitundu ina, yotchedwa toner, ikhoza kuwonjezeredwa.

③Inki yamitundu

Kuphatikiza pa katundu wa inki yosindikizira ya lithographic, imakhalanso ndi kukana bwino kwa kutentha kwapamwamba, kuphika ndi kukana zosungunulira. Ambiri aiwo ndi UV iron yosindikiza inki. Maonekedwe ake a rheological kwenikweni ndi ofanana ndi inki ya lithographic, ndipo kukhuthala kwake ndi 10 ~ 15s (kuphimba: No. 4 chikho / 20 ℃)

4. Kusindikiza kwazitsulo zazitsulo

Metal hose ndi cylindrical ma CD chidebe chopangidwa ndi zitsulo. Amagwiritsidwa ntchito makamaka pakuyika zinthu ngati phala, monga zotengera zapadera zotsukira mano, kupukuta nsapato ndi mafuta opaka zamankhwala. Metal hose kusindikiza ndi yopindika pamwamba kusindikiza. Puleti yosindikizira ndi mbale yamkuwa ndi mbale ya photosensitive resin, pogwiritsa ntchito njira yosindikizira ya letterpress offset: mapaipi achitsulo makamaka amatanthauza machubu a aluminiyamu. Kupanga ndi kusindikiza machubu a aluminiyamu kumatsirizidwa pamzere wopangidwa mosalekeza. Pambuyo pa kupondaponda ndi kutentha, aluminium billet imayamba kulowa mu ntchito yosindikiza.

01 Zowoneka

Phala lili ndi mamasukidwe enaake, ndi losavuta kumamatira ndi kupunduka, ndipo ndilosavuta kuyika ndi mapaipi achitsulo. Makhalidwe ake ndi: osindikizidwa kwathunthu, amatha kudzipatula magwero akunja a kuwala, mpweya, chinyezi, ndi zina zotero, kusungirako bwino komanso kusungirako kukoma, kukonza zinthu mosavuta, kugwiritsa ntchito bwino kwambiri, kudzaza Zogulitsazo ndi zachangu, zolondola komanso zotsika mtengo, ndipo ndizodziwika kwambiri. pakati pa ogula.

02 processing njira

Choyamba, zitsulo zachitsulo zimapangidwira thupi la payipi, ndiyeno kusindikiza ndi kusindikiza pambuyo pake kumachitika. Njira yonse kuyambira pakuwotcha machubu, zokutira zamkati, zoyambira mpaka kusindikiza ndi kutsekera zimamalizidwa pamizere yopangira machubu.

03 mtundu

Malingana ndi zipangizo zomwe zimapanga payipi, pali mitundu itatu:

① payipi ya tini

Mtengo wake ndi wokwera ndipo sugwiritsidwa ntchito kawirikawiri. Mankhwala ena apadera okha ndi omwe amagwiritsidwa ntchito chifukwa cha chikhalidwe cha mankhwala.

②Paipi ya lead

Mtovu ndi poizoni komanso wovulaza thupi la munthu. Tsopano sagwiritsidwa ntchito kawirikawiri (pafupifupi kuletsedwa) ndipo amagwiritsidwa ntchito pazinthu zomwe zili ndi fluoride.

③Aluminiyamu hose (yomwe imagwiritsidwa ntchito kwambiri)

Mphamvu yapamwamba, maonekedwe okongola, kulemera kochepa, zopanda poizoni, zopanda pake komanso mtengo wotsika. Amagwiritsidwa ntchito kwambiri popaka zodzoladzola, mankhwala otsukira mano apamwamba, mankhwala, chakudya, zinthu zapakhomo, inki, etc.

04 luso losindikiza

The ndondomeko otaya ndi: kusindikiza maziko maziko ndi kuyanika - kusindikiza zithunzi ndi malemba ndi kuyanika.

Zamkatimu4

Gawo losindikizira limagwiritsa ntchito mawonekedwe a satelayiti ndipo lili ndi mtundu woyambira ndi chipangizo chowumitsa. Makina osindikizira amitundu yoyambira amasiyanitsidwa ndi njira zina, ndipo chipangizo chowumitsa cha infrared chimayikidwa pakati.

Zakuyikapo5

① Sindikizani mtundu wakumbuyo

Gwiritsani ntchito choyambira choyera kuti musindikize mtundu wapansi, zokutira ndizokulirapo, ndipo pamwamba pake ndi lathyathyathya komanso losalala. Pazotsatira zapadera, mtundu wakumbuyo ukhoza kusinthidwa kukhala mitundu yosiyanasiyana, monga pinki kapena buluu wopepuka.

②Kuyanika mtundu wakumbuyo

Ikani mu uvuni wotentha kwambiri kuti muphike. Paipiyo sidzasanduka yachikasu ikaumitsa koma iyenera kukhala yomamatira pang'ono pamwamba.

③Kusindikiza zithunzi ndi zolemba

Chipangizo chotumizira inki chimasamutsa inkiyo ku mbale ya chithandizo, ndipo inki yojambula ndi zolemba za mbale iliyonse yosindikizira imasamutsidwa ku bulangeti. Wodzigudubuza mphira amasindikiza chithunzi ndi malemba pakhoma lakunja la payipi nthawi imodzi.

Zithunzi za hose ndi zolemba nthawi zambiri zimakhala zolimba, ndipo zolembera zamitundu yambiri siziphatikizana. Wodzigudubuza amazungulira kamodzi kuti amalize kusindikiza ma hoses angapo. Paipi imayikidwa pa mandrel a chimbale chozungulira ndipo sichizungulira pachokha. Imangozungulira pokhapokha mutagwirizana ndi mphira wodzigudubuza.

④Kusindikiza ndi kuyanika

The kusindikizidwa payipi ayenera zouma mu uvuni, ndi kuyanika kutentha ndi nthawi ayenera kusankhidwa malinga ndi antioxidant katundu wa inki.


Nthawi yotumiza: May-15-2024
Lowani