Nthawi zambiri, zida zophatikizira zamapepala zimaphatikizanso malata, makatoni, pepala loyera, makatoni oyera, makatoni agolide ndi siliva, ndi zina zambiri. Mitundu yosiyanasiyana ya mapepala imagwiritsidwa ntchito m'magawo osiyanasiyana malinga ndi zosowa zosiyanasiyana, kuti zinthu zitheke. Zoteteza.
pepala lamalata
Malinga ndi mtundu wa chitoliro, mapepala a malata akhoza kugawidwa m'magulu asanu ndi awiri: dzenje, dzenje la B, dzenje la C, dzenje la D, dzenje la E, dzenje la F, ndi dzenje la G. Pakati pawo, maenje A, B, ndi C amagwiritsidwa ntchito poyikapo zakunja, ndipo D, E maenje Nthawi zambiri amagwiritsidwa ntchito pakuyika ang'onoang'ono ndi apakatikati.
Mapepala a malata ali ndi ubwino wa kupepuka ndi kulimba, katundu wamphamvu ndi kupanikizika, kukana kugwedezeka, kukana chinyezi, ndi mtengo wotsika. Mapepala okhala ndi malata amatha kupangidwa kukhala makatoni a malata, kenako amapangidwa masitayilo osiyanasiyana a makatoni malinga ndi malamulo a kasitomala:
1. Makatoni a malata a mbali imodzi nthawi zambiri amagwiritsidwa ntchito ngati nsanjika zotchingira zinthu kapena kupanga makhadi opepuka komanso ma padi kuti ateteze zinthu kuti zisagwedezeke kapena kugundana panthawi yosungira ndi mayendedwe;
2. Makatoni okhala ndi malata osanjikiza atatu kapena asanu amagwiritsidwa ntchito popanga malonda a katundu;
3. Makatoni osanjikiza asanu ndi awiri kapena khumi ndi limodzi amagwiritsidwa ntchito kwambiri kupanga mabokosi oyika zinthu zamakina ndi zamagetsi, mipando, njinga zamoto, ndi zida zazikulu zapakhomo.
Makatoni
Mapepala a bokosi amatchedwanso pepala la kraft. Mapepala apakhomo a bokosi amagawidwa m'magulu atatu: apamwamba, apamwamba, ndi oyenerera. Maonekedwe a pepala ayenera kukhala olimba, ndi kukana kuphulika kwakukulu, mphamvu yopondereza ya mphete ndi kung'ambika, kuwonjezera pa kukana kwa madzi.
Cholinga cha pepala la makatoni ndikumangirira pachimake cha pepala la malata kuti apange bokosi la malata, lomwe limagwiritsidwa ntchito kunyamula zida zapakhomo, zofunikira za tsiku ndi tsiku ndi ma CD ena akunja, komanso zitha kugwiritsidwa ntchito ngati ma envulopu, matumba ogula, zikwama zamapepala, matumba a simenti. , ndi zina.
Pepala loyera
Pali mitundu iwiri ya pepala loyera, imodzi ndi yosindikiza, kutanthauza "pepala loyera" mwachidule; ina imanena za pepala loyenera matabwa oyera.
Chifukwa mawonekedwe a ulusi wa pepala loyera ndi ofanana, pamwamba pake amakhala ndi zodzaza ndi mphira, ndipo pamwamba pake amakutidwa ndi utoto winawake, ndipo amakonzedwa ndi ma multiroll roll calendering, mawonekedwe a pepalalo amakhala ophatikizika. ndipo makulidwe ake ndi ofanana.
Kusiyanitsa pakati pa pepala loyera ndi pepala lophimbidwa, pepala la offset, ndi pepala la letterpress ndilo kulemera kwa pepala, mapepala ochuluka, ndi mitundu yosiyanasiyana ya kutsogolo ndi kumbuyo. Bolodi yoyera ndi yotuwa mbali imodzi ndi yoyera mbali inayo, yomwe imatchedwanso imvi yokutidwa yoyera.
Pepala loyera loyera ndi loyera komanso losalala, limakhala ndi mayamwidwe a inki yunifolomu, ufa wocheperako ndi nsalu pamwamba, mapepala amphamvu komanso kukana bwino kupindika, koma madzi ake ndi apamwamba, ndipo amagwiritsidwa ntchito makamaka pamtundu umodzi Pambuyo pa kusindikiza kwamtundu wapamwamba, amapangidwa. m'mabokosi oyikapo, kapena ogwiritsidwa ntchito popanga zinthu zopangidwa ndi manja.
Makatoni oyera
Katoni yoyera ndi pepala losanjikiza limodzi kapena lamitundu ingapo lopangidwa ndi bleached chemical pulping and size full. Nthawi zambiri amagawidwa kukhala makatoni abuluu ndi oyera ambali imodzi yamkuwa, makatoni amkuwa apansi-pansi, ndi makatoni amtundu wa imvi.
Pepala la Sika la buluu ndi loyera lokhala ndi mbali ziwiri za mkuwa: Wogawidwa mu pepala la Sika ndi mkuwa wa Sika, pepala la Sika limagwiritsidwa ntchito makamaka pa makhadi a bizinesi, zoyitanira zaukwati, mapositikhadi, ndi zina zotero; Copper Sika imagwiritsidwa ntchito makamaka polemba mabuku ndi magazini, mapositikhadi, makadi, ndi zina zotere zomwe zimafunikira Katoni yosindikiza bwino.
Makatoni okutidwa okhala ndi maziko oyera: Amagwiritsidwa ntchito makamaka popanga makatoni apamwamba kwambiri komanso ma vacuum matuza. Choncho, pepalalo liyenera kukhala ndi maonekedwe oyera kwambiri, mapepala osalala, kuvomereza kwa inki, ndi gloss yabwino.
Makatoni amtundu wa grey-bottomed copperplate: pamwamba pake amagwiritsa ntchito zamkati zamakina osungunuka, zigawo zapakati ndi zapansi ndizosanjikiza zamkati zamkati, zamkati zamatabwa pansi kapena pepala lotayirira, loyenera kusindikiza kwamitundu yamabokosi apamwamba kwambiri, omwe amagwiritsidwa ntchito kwambiri popanga mabokosi osiyanasiyana. ndi zikuto zachikuto cholimba .
Mapepala a Copy ndi mtundu wa mapepala apamwamba a chikhalidwe ndi mafakitale omwe ndi ovuta kupanga. Makhalidwe akuluakulu aukadaulo ndi: kulimba kwakuthupi, kufananiza kwambiri komanso kuwonekera, komanso zinthu zabwino zapamtunda, zabwino, zosalala, zosalala, zopanda mchenga, kusindikiza kwabwino.
Mapepala a Copy ndi mtundu wa mapepala apamwamba a chikhalidwe ndi mafakitale omwe ndi ovuta kwambiri kupanga. Makhalidwe akuluakulu aukadaulo a mankhwalawa ndi awa: mphamvu yayikulu, yofananira bwino komanso yowonekera, komanso mawonekedwe abwino, abwino, osalala komanso osalala , Palibe mchenga kuwira, kusindikiza kwabwino. Nthawi zambiri, kupanga mapepala osindikizira kumagawidwa m'njira ziwiri: zamkati ndi kupanga mapepala. Zamkati ndi kugwiritsa ntchito njira zamakina, njira zama mankhwala kapena kuphatikiza kwa njira ziwirizi kuti asiyanitse zida zopangira mbewu kukhala zamkati mwachilengedwe kapena zamkati. Popanga mapepala, ulusi wa zamkati womwe umaimitsidwa m'madzi umaphatikizidwa kudzera munjira zosiyanasiyana kukhala mapepala omwe amakwaniritsa zofunikira zosiyanasiyana.
Nthawi yotumiza: Dec-16-2021