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Kodi ndichifukwa chiyani rairaurethane imakonda m'mafakitale ena?

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Chiyambi

Mbewu ya Polyurethane, elastomer yosiyanasiyana yomwe imalepheretsa kusiyana pakati pa mphira ndi pulasitiki, yakhala mwalawarkorwar mu mafakitale osiyanasiyana. Amadziwika ndi mphamvu zake zazikulu, kutukwana, komanso kukana kuvala, kung'amba, mphira wa polyirethane amagwiritsidwa ntchito kwambiri kwa magawo monga magalimoto oyenda, zomanga, ndi kupanga. Kutha kwake kuzolowera kugwiritsa ntchito mosiyanasiyana kumapangitsa kuti akatswiri opanga mainjiniya azikhala ndi chisankho. Mwachitsanzo, kukana kwake kwa akulu, komwe kumatha mpaka nthawi 10 kuposa zinthu zina, zapangitsa kuti ndizofunikira kwambiri m'malo owopsa. Kuti mupeze mapulogalamu owonjezera ndi phindu la mphira wa polyurethane, mutha kutanthauza kuzindikiritsa mwatsatanetsatane zomwe zaperekedwa pamutuwu Mphira wa polyurethane.

Katundu wa mphira wa polyurethane

Kulimba ndi kuuma

Chimodzi mwazinthu zowonera za mphira ndi kulimba kwambiri. Imapereka milingo yosiyanasiyana yauntha, kuyambira kotsika mpaka 20 kumtunda kwa 80 Shore A, kupangitsa kukhala koyenera kugwiritsa ntchito njira zosiyanasiyana. Kusintha kumeneku pakuumitsidwa kumatheka kudzera mumitundu yosiyanasiyana, kulola opanga kuti agwirizane ndi zofunikira pa zosowa zenizeni. Mwachitsanzo, mapangidwe ofatsa ndi abwino pakugwiritsa ntchito njira, pomwe mitundu yovuta imagwiritsidwa ntchito m'mafayilo othamanga ndi zisindikizo.

Kukana Abrasion

Ikuluakulu pa rabara ya polyirehane kukana, kugonjetsa zinthu zambiri zachikhalidwe. Kuwonongeka kwake kukana nthawi 5 mpaka 10 kutalika kuposa rabara wachilengedwe kapena opaleshoni ina yopanga. Katunduyu amapanga chisankho chabwino pa ntchito monga malamba, ma galo, ndi mawilo, komwe kusokonekera kosalekeza ndi kuvala kosatha.

Mphamvu yayikulu

Mphamvu yamphamvu ya rabara ya polyurethane imatha kufikira 600 kgf / cm, yomwe ili yokwezeka kwambiri kuposa kale la elastomer ina yambiri. Mphamvu yayikuluyi imatsimikizira kuti zinthuzo zitha kuthana ndi katundu wolemera ndi zipsinjo zokha osachimwa kapena kuswa, kupangitsa kuti zikhale bwino pofunafuna mafakitale.

Kukula ndi kutsika kocheperako

Ziwonetsero za mphira za polyirethane zotukuka bwino, ndi ma cell ofupikira mpaka 600%. Ngakhale mutakhala mtunda wautali wotere, kusintha kotsalira kumakhala kochepa, kumayambira 2% mpaka 4%. Katunduyu ndi kofunikira kwambiri pantchito zofunsira zobwerezabwereza ndikukakamizidwa, monga Zisindikizo ndi ma takhramu.

Mafuta ndi Kukaniza Kwamankhwala

Njira inanso yofunika kwambiri ya mphira ya Polyurethane ndiye kukana kwake kwa mafuta ndi mankhwala. Imakhala ndi rait Izi zimapangitsa kuti ikhale nkhani yomwe amakonda kugwiritsa ntchito m'maiko omwe amapezeka ndi mafuta, mafuta, komanso mankhwala ena ovuta.

Ntchito za mphira wa polyurethane

Makampani Oyendetsa Magalimoto

Mu gawo lagalimoto, mphira wa polyurethane amagwiritsidwa ntchito kwambiri popanga zitsamba kuyimitsidwa, Zisindikizo, ndi ma gaskes. Kutha kwake kwamphamvu kwambiri komanso kukana kuvala kumapangitsa kuti izi zitheke. Kuphatikiza apo, kuthekera kwake kupirira kutentha kwambiri kumatsimikizira ntchito yodalirika mu nyengo zotentha komanso zozizira.

Ntchito Zomanga ndi Zomangamanga

Mbengani mphira wa polyurethane amagwiritsidwa ntchito kwambiri pomanga mapulogalamu monga kugwedeza, pansi, ndi zokutira. Kuumbika kwake komanso kukana kwa abrasion ndi mankhwala kumapangitsa kuti zikhale chisankho chodalirika pa malo owopsa. Kuphatikiza apo, kusinthasintha kwake kumapangitsa kuti itenge zodabwitsa ndi kugwedezeka bwino, kukulitsa moyo wambiri wa zida.

Kupanga ndi kugwiritsa ntchito mafakitale

Pakupanga, mphira rapunir wagwira ntchito mu malamba osula, odzigudubuza, ndi magawo amakina. Mphamvu zake zazikulu ndi kuvala kukana kutsimikizira kuti zinthuzi zimatha kuthana ndi katundu wolemera komanso kugwira ntchito mosalekeza popanda kusintha. Izi sizimangochepetsa kutaya pansi komanso kutsika mtengo kukonza.

Katundu wogula

Mbewu ya polyurethane imapezekanso m'malo osiyanasiyana ogula, kuphatikizapo bowa, zida zamasewera, ndi zinthu zapakhomo. Chikhalidwe chake chopepuka, chophatikizidwa ndi kulimba kwake komanso kusinthasintha, kumapangitsa kuti ikhale chisankho chotchuka pa ntchitozi. Mwachitsanzo, imagwiritsidwa ntchito mu nsapato za masewera othamanga kwambiri kuti apereke nkhawa komanso kuthandizidwa.

Mapeto

Mtengo wa polUrethane umakhala ngati zinthu zosiyanasiyana komanso zodalirika zomwe zimakwaniritsa zofuna za mafakitale osiyanasiyana. Kuphatikiza kwake kwapadera kwa katundu, kuphatikizapo kulimba kwambiri, kutukuka, komanso kukana kuvala ndi mankhwala, kumapangitsa kuti azisankha bwino ntchito kuchokera ku zinthu zodyera. Mwakuzindikira pakugwiritsa ntchito ndi mapindu ake, mutha kufufuza zambiri za Mphira wa polyurethane.

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