Mukayang'ana zingwe zabwino kwambiri ndi mawaya, osasankha zinthu zochizira zoyenera ndizofunikira. Chingwe chakunja chili ndi ntchito zosiyanasiyana kuti zitsimikizire kulimba, chitetezo ndi magwiridwe antchito kapena waya. Sizachilendo kuganiza pakati pa polurethane (choyera) ndiPolyvinyl chloride (pvc). Munkhaniyi, mudzaphunzira za kusiyana pakati pa zinthu ziwiri ndi mapulogalamu omwe zinthu zonse zili zofunika kwambiri.
Kapangidwe kabwino ndi kugwira ntchito mu zingwe ndi mawaya
Chidengero (chotchedwanso chingwe chakunja chakunja ndi) ndiye chingwe chakunja cha chingwe kapena waya ndipo chimagwiritsidwa ntchito pogwiritsa ntchito njira imodzi yopendekera. Chidengwechi chimateteza kusokonekera ndi zina zopangira zinthu zakunja monga kutentha, kuzizira, zonyowa kapena zamagetsi. Itha kukonzanso mawonekedwe ndi mawonekedwe a wochititsayo, komanso wosanjikiza (ngati alipo), potero muchepetse kusokonezedwa ndi malingaliro a chinsinsi cha zingwe (EMC). Izi ndizofunikira kuonetsetsa kufalikira kwamphamvu, chizindikiro, kapena deta mkati mwa chingwe kapena waya. Kupumanso kumathandizanso kwambiri pakukhazikika kwa zingwe ndi mawaya.
Kusankha zinthu zoyenera kupuma ndikofunikira kuti mudziwe chingwe chabwino kwambiri pa intaneti. Chifukwa chake, ndikofunikira kudziwa bwino chinsinsi kapena waya ziyenera kutumikira komanso zomwe ziyenera kukwaniritsa.
Zinthu zofala kwambiri
Polyirethane (Pur) ndi Polyvinyl chloride (pvc) ndi zinthu ziwiri zomwe zimagwiritsidwa ntchito kwambiri pazingwe ndi mawaya. Zowoneka, palibe kusiyana pakati pa zinthu izi, koma zimawonetsa zinthu zosiyanasiyana zomwe zimapangitsa kuti akhale oyenera pakugwiritsa ntchito mitundu. Kuphatikiza apo, zinthu zina zingapo zitha kugwiritsidwa ntchito ngati zipilala, kuphatikizapo mphira wamalonda, elastomers (Tpe), ndi mapepala apadera apulasitiki. Komabe, popeza ndizosachepera kuposa Pul ndi PVC, tiyerekeza izi mtsogolo.
Pur - gawo lofunikira kwambiri
Polyirethane (kapena Pur) amatanthauza gulu la mapuloji omwe adapangidwa kumapeto kwa zaka za m'ma 1930s. Imapangidwa ndi njira yamankhwala yotchedwa kuwonjezera polymerization. Zinthu zomera nthawi zambiri zimakhala petroleum, koma zida zomera monga mbatata, beya kapena shuga zimatha kugwiritsidwanso ntchito popanga. Polyirethane ndi elastorst elastor. Izi zikutanthauza kuti amasinthasintha akamatenthedwa, koma amatha kubwerera ku mawonekedwe awo oyambira pomwe.
Polyirethane ali ndi zinthu zabwino kwambiri. Nkhaniyi ili ndi mwayi kukana, kudulana ndi kusokoneza misozi, ndipo zimakhalabe zosinthika kwambiri ngakhale kutentha kochepa. Izi zimapangitsa kuti magetsi akhale oyenera kugwiritsa ntchito mapulogalamu omwe amafunikira mphamvu yoyenda ndi kugwiriridwa, monga maunyolo opindika. M'mapulogalamu a robotic, zingwe zokhala ndi chipukuro zimatha kupirira mamiliyoni a kugwada kapena ming'alu yamphamvu popanda mavuto. Play ilinso ndi kukana mwamphamvu ku mafuta, ma sol sol ndi ultraviolet radiation. Kuphatikiza apo, kutengera kapangidwe ka zinthuzo, kumakhala kovuta komanso moto wokhazikika, womwe ndi njira yofunika ya zingwe zomwe zimatsimikiziridwa ku United States ndikugwiritsa ntchito ku United States. Zingwe zimagwiritsidwa ntchito pamakina ndi zomangamanga za mafakitale, makina opanga mafakitale, ndi makampani automative.
PVC - Chofunika kwambiri
Polyvinyl chloride (pvc) ndi pulasitiki yomwe yakhala ikugwiritsidwa ntchito kupanga zinthu zosiyanasiyana kuyambira 1920s. Ndiwopanga mpweya wabwino kwambiri wa mpweya wa vinyl chnyurside. Mosiyana ndi matenda a Elastomer Pla, pvc ndi polymer polymer. Ngati zinthuzo zikuwonongeka pakutentha, sizingabwezeretsedwe ku dziko loyambirira.
Monga chopukusira, polyvinyl chlorideideideider imapereka mwayi wosiyanasiyana chifukwa umatha kusintha zofunikira zosiyanasiyana posintha gawo lake. Makina ake okwera sikuti ndi okwera ngati oyera, koma pvc ndiwothandizanso wachuma; Mtengo wapakati wa polyirethane umakhala wotalikirapo kanayi. Kuphatikiza apo, pvc ndi wopanda fungo komanso osagwirizana ndi madzi, asidi ndi oyeretsa. Ndi chifukwa cha ichi kuti nthawi zambiri zimagwiritsidwa ntchito pa malonda kapena malo achinyontho. Komabe, PVC siyotulutsa-mfulu, ndichifukwa chake amawonedwa kuti ndioyenera kugwiritsa ntchito njira zina. Kuphatikiza apo, silinagonjetso chamafuta, koma malowa amatha kukwaniritsidwa ndi zowonjezera zapadera zamankhwala.
Mapeto
Onse ounirethane ndi Polyvinyl chloride ali ndi zabwino zake komanso zovuta zake ngati zingwe zazing'ono komanso waya. Palibe yankho lotsimikizika pazomwe zili bwino pa pulogalamu iliyonse; Zambiri zimatengera zosowa zantchito. Nthawi zina, zinthu zosiyanasiyana zosiyidwa zitha kukhala yankho labwino. Chifukwa chake, timalimbikitsa ogwiritsa ntchito kufunafuna upangiri kuchokera kwa akatswiri omwe amadziwa bwino zinthu zabwino komanso zoyipa za zida zosiyanasiyana ndipo timatha kudziwana wina ndi mnzake.
Post Nthawi: Nov-20-2024