M'zaka zaposachedwapa, pamsika wa nsalu, mpweya wapamwamba kwambirinsalu yolukidwayakhala nsalu yotentha kwambiri ya mafashoni, yomwe anthu amaikonda, ndipo zipangizo zake zopangira nthawi zambiri zimakhala zambiri, zambiri kwambiriulusi wolukira, ndipo ubwino wa ulusi ndi wapamwamba kwambiri.
Nsalu yoluka yopangidwa ndi mpweya ndi nsalu yolukidwa yokhala ndi zigawo zitatu,makina oluka jeresi awiriyolukidwa, kupanga ma coil kutsogolo ndi kumbuyo, ndi pakati pa silika wokhuthala wa polyester elastic kapena silika wokhuthala kwambiri, kupanga kapangidwe kofanana ndi ma sandwich mesh.
Nsalu ya mpweya siidzapanga makwinya, chifukwa mpata wapakati ndi waukulu, womwe umayamwa madzi ndikutseka madzi. Kudzera mu kapangidwe ka nsalu ya mkati, pakati ndi kunja, sangweji ya mpweya imapangidwa pakati pa nsalu, yomwe imatha kukhala ndi mphamvu yotentha, ndipo imagwiritsidwa ntchito kwambiri pa zovala zamkati zotentha.

Zofunikira pa zipangizo zopangira ulusi

Nsalu ya mpweya imafuna kuti ulusi ukhale wofewa bwino, wopindika mosavuta komanso wopotoka, kuti kapangidwe kake ka nsalu yolukidwa kakhale kofanana, mawonekedwe ake akhale omveka bwino komanso okongola, komanso kusweka kwa ulusi pakuluka komanso kuwonongeka kwa zida za makina olukira kuchepe. Chifukwa chake, posankha zinthu zopangira nsalu ya mpweya, mawonekedwe ofewa a ulusi ayenera kuganiziridwa.

Zofunikira pa kuuma kwa ulusi

Ulusi wofanana ndi chizindikiro chofunikira cha ulusi womwe umagwiritsidwa ntchito mu nsalu zokhala ndi mpweya. Chifukwa chake, kupanga ulusi wa nsalu zokhala ndi mpweya kuyenera kuonetsetsa kuti zimagwirizana, zimakhala zokhazikika komanso zogwirizana. Ulusi wofanana ndi wouma ndi wothandiza kuonetsetsa kuti nsaluyo ndi yabwino, kuti kapangidwe kake kakhale kofanana komanso pamwamba pa nsalu pakhale poyera. Ngati pali madontho okhuthala pa ulusi, zolakwikazo sizingadutse musinganoMabowo oboola bwino panthawi yoluka, zomwe zimayambitsa kusweka kapena kuwonongeka kwa zida za makina, ndipo n'zosavuta kupanga "mikwingwirima yopingasa" ndi "madontho a mitambo" pamwamba pa nsalu, zomwe zimachepetsa ubwino wa nsalu; monga ulusi Pali zinthu zina pa ulusi, koma zinthu zina zimakhala ndi zingwe zolimba komanso zofooka komanso malekezero osweka, zomwe zimakhudza ubwino wa nsalu ndikuchepetsa mphamvu yopangira nsalu. Chifukwa pali njira zambiri zolukira pamakina oluka, ulusi umalowetsedwa mu nsalu yolukira nthawi imodzi, kotero sikuti makulidwe a ulusi uliwonse amafunika kuti akhale ofanana, komanso kusiyana kwa makulidwe pakati pa ulusi kuyenera kulamulidwa mosamala, apo ayi mizere yopingasa idzapangidwa pamwamba pa nsalu. Zolakwika monga mithunzi zimachepetsa ubwino wa nsalu.

Zofunikira pa kuluka ulusi

Ulusi womwe umagwiritsidwa ntchito mu nsalu ya air layer umafuna kuti ulusiwo ukhale ndi mphamvu ndi kufalikira kwina. Popeza ulusiwo udzakhala ndi mphamvu zinazake komanso kugwedezeka mobwerezabwereza panthawi yoluka, komanso udzakhala wopindika komanso wopotoka, ulusiwo umafunika kukhala ndi kufalikira kwina kuti ukhale wosavuta kupindika m'malupu panthawi yoluka ndikuchepetsa mutu wosweka wa ulusi.