Labarai - Magance Kalubalen Kumfa na EVA

A cikin 'yan shekarun nan, kasuwar takalma ta duniya ta shaida cikar gasa, inda gasa ke ƙara ƙaru tsakanin manyan kamfanoni masu matsakaicin daraja zuwa na zamani. Ci gaba da kwararar sabbin dabaru da fasahohi a cikin takalma ya haifar da buƙatar kayan kumfa a masana'antar yin takalma. Kayan kumfa mai inganci na polymer sun zama ginshiƙin mafita na samfuran samfuran ƙarshe, musamman a ɓangaren takalman wasanni.

Takalman wasanni na yau da kullun sun ƙunshi manyan sassa uku: na sama, na tsakiya, da na waje.

Tafin tsakiya yana da matuƙar muhimmanci wajen samar da matashin kai, dawowa, da kuma shaƙar ƙarfi yayin wasanni. Yana tabbatar da kariya da jin daɗi, wanda hakan ke sanya shi ruhin takalman wasanni. Fasahar kayan aiki da kumfa ta tsakiyar tafin ƙafa ta bambanta manyan fasahohin manyan kamfanoni daban-daban.

EVA—Kayan Kumfa da Aka Yi Amfani da Su Da Farko Don Takalma:

Ethylene-vinyl acetate copolymer (EVA) shine kayan kumfa na farko da ake amfani da shi a tsakiyar tafin ƙafa. Kumfa mai tsarki na EVA yawanci yana da ƙarfin dawowa na kashi 40-45%, wanda ya fi kayan kamar PVC da roba juriya, tare da halaye kamar sauƙi da sauƙin sarrafawa.

A fannin takalma, hanyoyin kumfa na sinadarai na EVA gabaɗaya sun haɗa da nau'ikan kumfa na gargajiya, ƙananan kumfa a cikin mold, da kuma kumfa mai haɗin gwiwa ta allura.

A halin yanzu, kumfa mai haɗa allura ya zama babban tsari a fannin sarrafa kayan takalma.

Kalubalen Kumfa na EVA:

Wata matsala da aka saba fuskanta da waɗannan kumfa na gargajiya na EVA ita ce ƙarancin sassaucin su, wanda ke shafar ikonsu na samar da mafi kyawun matashin kai da tallafi, musamman a aikace-aikace kamar takalman wasanni. Wani ƙalubalen da aka saba fuskanta shi ne faruwar saitin matsi da raguwar zafi akan lokaci, wanda ke shafar dorewa. Bugu da ƙari, A aikace-aikace inda juriyar zamewa da juriyar gogewa suke da mahimmanci, kumfa na gargajiya na EVA na iya gaza cika ƙa'idodin da ake buƙata.

Domin ƙara haɓaka halayen zahiri na samfuran kumfa na EVA, masana'antun kan gabatar da kayan roba kamar EPDM, POE, OBCs, da TPE kamar SEBS a cikin kayan albarkatun EVA. Haɗa EPDM don halayen roba, POE don babban sassauci, OBCs don lu'ulu'u mai laushi, TPE don sassauci, da sauransu, yana nufin cimma burin gyara. Misali, ta hanyar ƙara elastomers na POE, sau da yawa ana iya ƙara juriyar sake dawowar samfuran zuwa 50-55% ko ma sama da haka.

Kumfa Mai Sauƙi na EVA: Si-TPV Mai Sauya Siki don Inganci Mafi Girma da Ingantaccen Aiki

SILIKE Si-TPV ta gabatar da wata hanya ta daban a EVA, ba wai kawai tana magance matsalolin aiki ba, har ma tana daidaita da shirye-shiryen da suka dace da muhalli. Tsarin kirkirar sa da tsarin samarwa yana taimakawa wajen tabbatar da cewa samfuran suna kiyaye mutuncinsu da aikinsu na tsawon lokaci, wanda hakan ke sa su zama abin dogaro da dorewa. Yana tabbatar da cewa an kammala farashi mai yawa.

Si-TPV (vulcanizate thermoplastic silicone-based elastomer) wani abu ne mai sake yin amfani da shi 100% na elastomer, idan aka kwatanta da OBC da POE, yana rage yawan matsi da raguwar zafi na kayan kumfa na EVA. Ƙarin haske yana inganta sassauci, laushi, hana zamewa, da juriyar gogewa, yana rage lalacewar DIN daga 580 mm.³zuwa 179 mm³.

Bugu da ƙari, Si-TPV yana ƙara yawan launuka na kayan kumfa na EVA. Wannan ci gaban yana bawa masana'antun damar samar da kayayyaki masu kyau ba tare da yin sakaci kan aiki ba.

Wannan Si-TPV a matsayin mai gyara sabbin abubuwa ga kumfa na EVA yana amfanar da samar da kayayyaki masu daɗi da dorewa na EVA kamar su tafin ƙafa, kayan tsafta, kayayyakin wasanni, benaye, tabarmar yoga, da sauransu.

Gano Makomar Kumfa na EVA tare da SILIKE Si-TPV! Ka ɗaga kayayyakinka zuwa sabbin matakan aiki da inganci. Ka saki damar mai gyara Si-TPV ɗinmu mai ci gaba don samun damar da ba a taɓa samu ba a aikace-aikacen kumfa na EVA.

Tuntube mu a yau don fara tafiyar kirkire-kirkire da kuma sake fasalta abin da zai yiwu da kumfa na EVA!