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Momwe mungasankhire machubu apulasitiki apamwamba kwambiri

2025-12-05

Machubu, omwe ndi osavuta komanso otsika mtengo popaka, amagwiritsidwa ntchito kwambiri mumakampani opanga mankhwala tsiku ndi tsiku ndipo ndi otchuka kwambiri. Paipi yapamwamba kwambiri simangoteteza zomwe zili mkati mwake komanso imawonjezera kuchuluka kwa zinthu zomwe zili mkati mwake, motero zimathandiza makampani opanga mankhwala tsiku ndi tsiku kupeza ogula ambiri. Ndiye, kwa makampani opanga mankhwala tsiku ndi tsiku, kodi mungasankhe bwanji machubu apulasitiki abwino kwambiri omwe ali oyenera zinthu zawo? Pansipa, tikuwonetsani mfundo zingapo zofunika.

Kuuma kwa zinthuzo: Zofunikira pakuuma kwa machubu zimasiyana malinga ndi makampani opanga mankhwala a tsiku ndi tsiku. Ndiye, kodi kuuma komwe mukufuna kungapezeke bwanji? Polyethylene yomwe imagwiritsidwa ntchito kwambiri m'machubu imaphatikizapo polyethylene yotsika, polyethylene yotsika kwambiri ndi polyethylene yotsika kwambiri.

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Kukana kwa mankhwala a zinthu: Polyethylene yochuluka kwambiri imakhala ndi kukana kwa mankhwala bwino kuposa polyethylene yocheperako.

Kukana kwa zinthu pa nyengo: Kuti muwongolere magwiridwe antchito a machubu kwa kanthawi kochepa kapena kwa nthawi yayitali, zinthu monga mawonekedwe, kukana kupanikizika/kutsika kwa mpweya, mphamvu yotsekera, kukana kupsinjika kwa chilengedwe (mtengo wa ESCR), fungo labwino ndi kutayika kwa zosakaniza zogwira ntchito ziyenera kuganiziridwa.

Kusankha mitundu ya ma masterbatches: Mitundu ya ma masterbatches imagwira ntchito yofunika kwambiri pakuwongolera khalidwe la machubu. Chifukwa chake, posankha mitundu ya ma masterbatches, makampani ogwiritsa ntchito ayenera kuganizira ngati ali ndi kuthekera kofalikira bwino, kusefa ndi kukhazikika kwa kutentha, kukana nyengo komanso kukana zinthu. Makampani opanga mankhwala tsiku ndi tsiku ayenera kuyesa kukhazikika kwa zinthu zatsopano ndi machubu (kuchita mayeso ofulumira pansi pa mikhalidwe inayake).

Mitundu ya varnish ndi makhalidwe awo: Varnish yomwe imagwiritsidwa ntchito pa machubu imagawidwa m'mitundu ya ultraviolet (UV) ndi mtundu wouma ndi kutentha. Ponena za mawonekedwe, imatha kugawidwa m'mitundu yowala komanso yosalala. Varnish sikuti imangopereka mawonekedwe okongola, komanso imateteza zomwe zili mkati ndipo imakhala ndi mphamvu yoletsa mpweya, nthunzi ya madzi ndi fungo.

Zofunikira pa thupi la chitoliro/mutu wa chitoliro: 1. Pamwamba pa thupi la chitolirocho payenera kukhala kosalala komanso koyera, kopanda mikwingwirima, kukwawa, kukanda, ndi kusokonekera kwa kupotoka. Thupi la chitolirocho liyenera kukhala lolunjika komanso losapindika. Kukhuthala kwa khoma la chitolirocho kuyenera kukhala kofanana. Kulekerera kwa makulidwe a khoma la chitoliro, kutalika kwa chitoliro, ndi m'mimba mwake kuyenera kukhala mkati mwa mulingo womwe watchulidwa.

Zofunikira pa kusindikiza: Kusindikiza kwa OFFSET nthawi zambiri kumagwiritsidwa ntchito pokonza mapaipi, ndipo inki zambiri zomwe zimagwiritsidwa ntchito zimakhala zouma ndi UV. Nthawi zambiri zimafuna kulimba kwambiri komanso kukana mitundu ya inki. Mtundu wosindikiza uyenera kukhala mkati mwa kuzama komwe kwatchulidwa, malo osindikizira ayenera kukhala olondola, kusiyana kuyenera kukhala mkati mwa 0.2mm, ndipo zilembo ziyenera kukhala zomveka bwino.

Zofunikira pa zipewa za pulasitiki: Zipewa za pulasitiki nthawi zambiri zimapangidwa ndi jakisoni kuchokera ku polypropylene (PP). Zipewa za pulasitiki zapamwamba siziyenera kukhala ndi zizindikiro zooneka bwino kapena kuwala, mzere wotsekera nkhungu uyenera kukhala wosalala, kukula kolondola, ndipo ziyenera kugwirizana bwino ndi mutu wa chitoliro. Pakagwiritsidwa ntchito mwachizolowezi, siziyenera kuyambitsa kuwonongeka kwa kapangidwe kake monga kusweka kapena ming'alu. Mwachitsanzo, mphamvu yotsegulira ikafika pamalo oyenera, chivundikiro chozungulira chiyenera kupindika nthawi zoposa 300 popanda kusweka kulikonse.

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Akukhulupirira kuti kuyambira pazinthu zomwe zili pamwambapa, makampani ambiri opanga mankhwala tsiku ndi tsiku ayenera kusankha zinthu zapamwamba kwambiri zopaka machubu.