Kodi njira zopangira ndi kuumba za EVA ndi ziti

EVA (ethylene vinyl acetate copolymer) ndi zinthu zapulasitiki zomwe zimagwiritsidwa ntchito nthawi zambiri zokhala ndi zosinthika bwino komanso zakuthupi, motero zimagwiritsidwa ntchito kwambiri m'magawo osiyanasiyana. Ndiye, zogwirizana njira zaEVAprocessing adzakhala anayambitsa lotsatira, kuphatikizapo extrusion, jekeseni akamaumba, calendering ndi otentha kukanikiza.

1. Njira yotulutsa
Extrusion ndi wamba EVA processing njira. Ma particles a EVA amatenthedwa ndikusungunuka ndipo EVA yosungunuka imatulutsidwa kudzera mu extruder. Njirayi ndi yoyenera kupanga zinthu za EVA zamitundu yosiyanasiyana, monga mbale, mapaipi, mbiri, ndi zina zotero. Njira ya extrusion ili ndi ubwino wopangira zinthu zambiri komanso zotsika mtengo, choncho imagwiritsidwa ntchito kwambiri popanga mafakitale.

2. jekeseni akamaumba njira
Njira yopangira jakisoni ndikubaya EVA yosungunuka mu nkhungu, ndipo kudzera mu kuzizira ndi kulimba kwa nkhungu, zinthu zofunika za EVA zimapezeka. jekeseni akamaumba njira ndi oyenera kubala mankhwala zovuta zoboola pakati EVA, monga zitsulo, mbali, etc. Njira imeneyi ali ndi ubwino wa yochepa kupanga mkombero ndi khalidwe khola mankhwala, choncho nthawi zambiri ntchito kupanga mafakitale.

3. Kalendala njira
The calendering njira ndi mosalekeza extrude ndi calender Eva wosungunula kudzera mu kalendala mofulumira kuziziritsa mu mawonekedwe filimu. Njirayi ndi yoyenera kupanga mafilimu a EVA, mafilimu onyamula katundu ndi zinthu zina. Njira ya calendering ili ndi ubwino wofulumira kupanga mofulumira komanso kufanana kwazinthu zabwino, choncho imagwiritsidwa ntchito kwambiri pamakampani opanga ma CD.

4. Hot kukanikiza njira
Njira yowotchera yotentha ndikuyika pepala la EVA losungunuka mu nkhungu, ndikulilimbitsa kupyolera mu kutentha ndi kupanikizika kwa nkhungu. Njirayi ndiyoyenera kupanga ma insoles a EVA, masiponji a EVA ndi zinthu zina. Kupopera kotentha kumakhala ndi ubwino wokwanira kuumba kwakukulu ndi khalidwe labwino la mankhwala, choncho amagwiritsidwa ntchito kwambiri muzovala za nsapato, zopangira nyumba ndi mafakitale ena.

Kuti tichite mwachidule, njira zopangira ma EVA zikuphatikiza kutulutsa, kuumba jekeseni, kalendala ndi kukanikiza kotentha. Njira zosiyanasiyana zogwirira ntchito ndizoyenera pazinthu zosiyanasiyana. Kusankha njira yoyenera yopangira zinthu kumatha kukulitsa luso la kupanga komanso mtundu wazinthu. Pogwira ntchito, ndikofunikira kusankha njira yoyenera yopangira zinthu malinga ndi zomwe mukufuna komanso momwe mungapangire, ndikupanga kusintha kofananira ndikusankha zida. Mwa kupitiriza kukhathamiritsa ndi kukonza njira zokonzera, magwiridwe antchito ndi mpikisano wazinthu za EVA zitha kupitilizidwa kuti zikwaniritse zomwe msika ukufunikira.