Ukubona ukudla amaxesha engasusiweyo EVA?

Ukusonjulula Okubekwa Kwamalayithi Izicathulo ze-EVA

Ukufunda nge-EVA Density kunye ne-Polymer Blends

Ubungqina beqiniso kanye neempumelelo ngokubangelwa kwezicathami ezinhle zase-EVA (Ethylene Vinyl Acetate) zisekelwe kuzinto esihliziywa ngokuba yi-EVA density. Ngokomqolo, le nto iyala ukuba yintoni ikhona yematerialo ngokubangelwa kwayo, kwaye le nto iyimpact ebalulekileyo kwiinkcukacha zokuchithwa kanye nokugcina kwezicathami. Xa sibatela ngematerialo enobunzima obungapheli, ezi ziyabambile kwaye zinikezela inkxaso evelayo, ngoko ke zifuneka bathatha iqhaza abasebenzisa amaxesha amanqaku okanye amaphoyintsi. Ngokudlulwa koko, iinkcukacha engeye zinzima kwaye zibhaliweyo, zinikezela ukuba zifuneka kuthathwe iqhaza ngokujikeleza kwiindlu okanye ukusebenzisa ngemihla ngamnye.

Amasandal yenkqubo ye-EVA ngokwenge kuxhume izinto ezahlukene zokuthutha ukusebenza kwazo xa kusebenzisa. Lokhu kuxhumo kwenza ukuthi into ye-EVA yenze oku kungenhla, ukwenza ikhona yokwelashwa kumaqhubu aphuma kubaleka noma ukubuyela emuva bakhe bokucindezwa. Xa abasebenzisi basebenzisa EVA ngezinto ezijikelezayo njenge-rubber noma TPU, okungu-thermoplastic polyurethane, amasandal adlula ngemva kakhulu kwezindawo zokubaleka futhi azikhanyiswanga. Kukhona amakhampani amakhulu wokwenza amasandal aqhuba izindleko ezinkulu zokuthutha ukuthi age lula lezi ngcamango. Izinkampani ezijwayelekileyo njenge-Nike ne-Adidas zenza izinhlobo ezinamathela okuthi amasandal avikela amathuba kwezinye ngokuphakade nokudala.

Umvamo wesihloko se-Vinyl Acetate lokudinga umthetho

Inkulu yevinali acetate ku material EVA kuyenza uhlu olukhulu kakhulu ukaliphi izindiza ziyaqala futhi kungakanani ziyaqina. Lapho abasebenzisa kongeza leli kahle, leli material ithinta ukuba lingafanele kakhulu futhi libeke kahle ukuphila kwamandla. Kunezimboniso ezithi izindiza ezeniwe nge-EVA enenani elikhulu kuno-30% evinali acetate kuyasebenza kahle kuno-izindiza ezeniwe ngokuncane. Abakhulumayo nabasela kahle bafuna le nto ngemva kweminyaka yokusebenzisa, kudinga kakhulu lapho kusebenzisa kuzindawo ezikhulu lapho isisindo sokuphila kuyakhiwa kahle. Kuye kubaluleke ukuba uyilaphe ukuthi kungakanani evinali acetate kuzo ukuba uyifuna izindiza ongayilaphe ukusebenzisa kuye kungcono ukuthola amakheli.

Kwemashini we-EVA enobuhle, akukho umkhawulo oqulathe ubungo be-vinyl acetate, ngelokho ke amanye ayisemaphakathi kwe-10% kuya kwe-20%. Le ndawo ibenza lezinduku zibe nemvelo yokugcina nezintandokazi ngaphandle kokugcina kakhulu ngokunye. Hlathela izinduku zokubhuyekeka, umf. abaningi bakho bafisela amadwele amathile ngoba ayisemkanteni noma ngemizuzwana embalwa. Amakhampani weshayela ayazi lokho, ngakho ke amabhrosura baxhuma ngokuthi amaprodukthi avumele ukuba abe nezintandokazi nezinhloso zokuxhumana. Ngenxa yoko, akukho onke amanda ukuthenga amashini amasha yonke iminyaka embalwa kuphela ngoba ayisemaphakathi kwezindlela.

Amanani Achoba Indlu EVA Yezulu

Iitesi Zokubeka Ukufakelwa Nokuhlola Ukusuka

Ukuthola uhlobo olungcono lomthelelo nokwehokeho kakhulu kubaluleke kakhulu xa kufika kwezimali ezinhle zase-EVA uma sithanda ukuba zibe nezintandokazi nezokudala. Xa kuhlaniswa umthelelo, abasebenzisa bakhombisa indlela lezi zimali zifinyelela ezindleleni zokuhamba ngazo ngezokwenza amagoti ethu ayethanga. Ngenkathi, bakhangela ukwehokeho kwezakhiwo ukuthi qinisekiswe ukuthi wonke le ndlela yokuhanjwa ayithinte isakhiwo esikhundleni kanye nezinsuku. Ukuthola le nto ephakeme kakhulu iyahluka ngokuphela kwezimali ezikhona kabusha kudinga ukubuyela. Ukukhombisa ukuthatha iinkontile, izimali eziphambene zase-EVA kudinga ukuba nezindlela ezifanele ukuthi amagoti ethu athinte indlela ethile xa ethu ethatha iqhaza kodwa bakhale isimo lapho kuhlangene ngezinsuku. Abakhubeki bonke bavuma ukuthi izimali ezinhle kakhulu zokwenza lokhu ngokucacile ukuthi kudingeka kubekwe amandla kakhulu kwezakhiwo nezimboniso ezisha ezifile emelweni, okungathi abathengi bafuna izinto ezikhona kakhulu noma kungaba yini bafinyelela ukuthi zibe nezintandokazi noma kungaba yini zidla ukuphunyekeza.

Ukubuyekeza Ukusuka nokuhlola Ukusetyenziswa

Imigqa yokuvumela ukwehliswa kwezicathami ezi-EVA iqhutywa indima enkulu ekwenzeni amadoda avivinywe kanti ayihlale kancane ukusuka kwehliswa okubangela ngokuphindaphindayo ngeke kube yini na. Xa izicathami zivumela ukwehliswa ngokuhle, zinake ukulungisa izinyaba futhi. Kutholwe ukuthi abantu abayinga izicathami ezi-EVA ezinezimimoya zokuvumela ukwehliswa bafana ngokwengeza izinkinga zezinto zabo. Kunezinto ezithiwa nge- energy return okungenzeka ukuthi kusho ukuthini ukubuyela okuvela ngemva kokuthi izicathami lihlaka. Lokhu kudingeka kanti kunceda ukuthi izinto zibe yimali ngokwenza amaphindzindlela noma xa bengena noma xa bahlala ngeke kube yini na. Kodwa akukho maphakathi amanye a-EVA anjengo. Kunezinhlelo eziningi ezithuthukile kakhulu ngezici zazo. Izithumbi zithi ukuthi ukuvumela ukwehliswa okuphakade kungcina ukuthi kunezimimoya zokugcina futhi kunceda ukuthi ukuguqula phakathi kwezinyuku kube yimali. Abasebenzi nekanye othinta amaphakathi ayobona ukuthi kunehluke ngokwazo xa lokhu kusebenza ngokushesha.

Ukubuyekeza Kwesihlanu Somdluli Nokuthi Akuhlale

Rubberized EVA vs. Pure Foam Outsoles

Kubalulekile ukwazi ukuthi yini ehlukanisa i-rubberized EVA kumafoam amakhesha ohlelweni wabo nokuthi kungakanani babonakala kuzinzile kanye nezinye izinto eziphakeme. I-rubberized EVA ngokwesibonelo inzima kabanzi futhi inqobo elula kakhulu kuzinye izinto eziphakeme, noma kungaphela noma kungahle kona ngendzimba. Lokhu kwenza ukuthi le makhesha abe yisibonelo esihle kakhulu kuzindlela ezithayibhile kakhulu lapho abantu bahlala noma bakhululekisa. Ngokwesikhalo, amakhesha amakhe amakhe amafomu amaningi ngokuphezulu futhi aphiwe ngokulula kakhulu, okwabafunayo abantu abaningi. Kodwa ayinakuthuthukiswa ngokulungile kakhulu kuzinto ezithayibhile. Kuzindlela ezinhle zokuhamba noma ukwenza izenzo ezingapheli, abantu abaningi babenza ngazo. Izivivinyo ezwenziwe nguqobo lwezimali zasebenza futhi zikwamisa lokhu. Zibonisa ukuthi i-rubberized EVA inzima kabanzi futhi ikhona inkqubo yokulungisa izinye zokuhamba ngokuhambisana nezinye izinhlelo zamafoam.

Kodwa xa kubangelwa ngokugcobo, abantu bathanda ukusebenzisa i-EVA ephuzekileyo kuzo zemoto ngemeha yemoto noma xa baya kumoya ngoba bayadinga okungaba nezimo eziphakeme. I-foam evela kusebenza kahle kuye yonke imihla ngoba iyinkimbinkimbi futhi ikhululekile kakhulu. Ngokwesibonelo, abasebenzisa imoto abasebenzisa ngokweqile kumhlambi baya ngemoto yemoto e-EVA ephuzekileyo ngoba lezi zindiza ukuphakama okuningi futhi azingeke kakhulu. Ukuqonda ukuthi izimpawu ezahlukene zezemoto zenziwa yini zenza ubuntwana kakhulu xa ukhetha izemoto eziyiswe. Kungaba ngokudinga ukuphepha kwezimo eziphakeme noma ukuthanda ukuthi kuzo kube nezimo eziyiswe kumaqo, ukwazi mayelana nezimpawu zazo zenza ukuthi izemoto zilayele kakhulu nezidingo futhi kwezimo zamanzi.

Ukuphatha Kwemibuyelo Ngenqanawe Lwesikhephe

Umdlalo wezicuva kuzo EVA uyahlukahluka kanjani ukuthi zilale kizinye izinto futhi zilindele umuntu ekunene. Kunezinhlobo ezifana nezinye ezisebenza ngendlela efana nezindawo abasebenzisa kuzo. Isibonelo, izindlela eziningi kakhulu zenza ukuthi kungceke kizimpahla ephuzekayo ngendlela embile kunezindlela ezingenayo. Imicabango yempiro yemvume yempiro ikubonisa ukuthi izicathami ezinezicuva ezifanele zilungisa amathuba okulala ngokubangelwa, oku kungcono kakhulu kubasebenzi bazindaba noma wonke umuntu ofaka amakhanda amabi. Indlela lesolesi enquma ngayo izinto zokuthi yini esikhathini sokuphela kwezicathami. Isicathami esilindele kahle noma ngemizwa engama-thousands kuyasebenza ngendlela embile kunezinye ezilala ngokushesha.

Kuhle kakhulu ukuthi i-EVA shoes zilandelana kanjani nezinto eziphakeme ngokwemibandela yesipho, ngaleso ndlela amakhampani aqhubeka nokutholwa amathernyeli amasha. Le ternyeli ayisiza abantu ukuthi balele kahle bakuphathise amandla emhlabeni ngokwemaphesenti amahle. Ababhali amasuku aqhubeka kakhulu ekutheni izinhlelo zabo ngokulandela imijolo yemhlabeni. Thatha lokhu ngokwesibonelo i-EVA ezinhle kakhulu, zinezernyeli ezithile eziphathiselwe kakhulu kuzo zonke izimo, kusuka kumasebenzi amathethwe kuma sidewalk wet, kuya kumasebenzi amakhulu. Le nqaba lezinhlelo kuyisiza ukuthi ayihlale kahle ngokwemaphesenti amahle. Uma ababhali baphakathi kakhulu ekutheni izohlakani zilandelana kanjani nezinto zemhlabeni lapho bakhuthula amasuku, bezokwenza amasuku owawukho akho kanye namasuku amakhulu owawukho akho abangane nabo abaphuthuma kakhulu.

Amandla Amashayela Izicathulo ze-EVA

Ukuphumelela Komoya Wesigaba Nokuthi Lwesobizo

Kulungiswa kwezindlela zokubeka izimo kuyindlela ebalulekile ukwenza amashela we-EVA ofanele okuphila ngokude. Lapho lezi zindlela zivumelana ngendlela ehlukile, kwenza ishela lihlanzekile ngakho akudingeki kubuywa ngemva kokuthenga kancane. Izinkampani eziphambili zakhokha kakhulu kuzindlela zazo zokwenza izindlela ezingavisisi. Oku kancane abantu baziwa ukuthi yini engaphezu kokuqina kwezindlela. Isindlela esibindi kungaba yinkinga encane engakho ethinta amandla apho amashilo emnandi kungaba yinto encane futhi kungakho ethinta ukuthi ishela singcono. Ngakho ke izinkampani zelana ne-Bogs zindlela ngempela phela phambi kokuthunyelwa. Isendwa izinto zelana nezikhawuti zelaseri ukuze kuculise isindlela kuze kube yinkimbhu ehlukile. Kwabanye onke abathenga amashela aphambili, baziwa ukuthi sithini sibonile.

Ukubheka Umsindo Womdlalo WeFoam

Ukuhlola ukuma kwezingqimba ze-foam cell kubalulekile lapho kwenziwa izicathulo ze-EVA ezisezingeni elifanele ngoba lokhu kuthinta ngokuqondile indlela ezizizwa zikhululekile futhi zisekela ngayo. Lapho lawo mangqamuzana e-foam ehambisana kuyo yonke indawo, sithola ukuphefumula okungcono kanye nezakhiwo zokuthambisa, okusho ukuthi abantu bangakwazi ukuwagqoka isikhathi eside ngaphandle kokukhathazeka futhi ngokuvamile bagcine sebezifake izicathulo ezingcono. Imboni inemithetho eqinile mayelana nokuthi yini ethathwa njengeyamukelekayo ngokuya ngesakhiwo se-foam cell, ebonisa ukuthi kubaluleke kangakanani ngempela lokhu phakathi nokukhiqizwa. Abakhiqizi abaningi banezinqubo ezicacile zokuhlola ukuze bahlangabezane nalezi zidingo, okuholela ezicathulweni eziphatha umjuluko kangcono kakhulu futhi zigcine izinyawo zizizwa kahle ngisho nangemva kokusetshenziswa isikhathi eside. Izicathulo ezinezinsimbi eziyinkimbinkimbi nazo zivame ukuhlala isikhathi eside, ngaphezu kwalokho zivumela umoya ukuba usakazeke kahle futhi zinikeze lokho kusekelwa okwengeziwe lapho kudingeka khona kakhulu.

Imibuzo Evame Ukubuzwa

Yini inguqulelo ye-EVA, kunye nginguquko yayo kulesi simo sokunquma?

Ukuphakamiswa kwe-EVA lisho ukusetyenziswa kokuhlula kwe-material Ethylene Vinyl Acetate ngokushesha lokugcina, ukuhlawulwa phakathi komphandla wokususa nokusebenzela kwe-sneakers. Ukuphakamiswa okubhaliweyo kukhoqo ukusebenzela nokungena, esidingi lapho amaxesha akhona amanyange, xa kunye nokuqinisekisa okunene nokungena, futhi ukuphakamiswa oluncinci kukho umthetho wesophu nokukhangelwa, kufanele kumaxesha ezingezansi.

Bengxoxweni ukuba indlela yokuqinisekiswa kwe-vinyl acetate ayiphi imiphumela esebenzayo kwe-shoes EVA?

Vinyl acetate ikhubazisa ukukhangelwa nokukhathalaza ukusuka kwe-shoes EVA, uzama ukusebenzisa nokuzihlaba kakhulu. Shoes EVA emkhankhwini enhle ziqinisekiswe ngokwesinye kwi-10% kwi-20% yokuvimba we-vinyl acetate, ezimaleni zikhathale ukukhangelwa nokukhathalaza.

Ngaba nganye imiphumela yakhe kwe-rubberized EVA outsoles ngokuba kubo pure foam outsoles?

Rubberized EVA iyiphi le nto eyayiphi ukusebenzisa, ukukhathalaza nokukhathalaza ukusuka, kufanele kumaxesha omncane okanye amaxesha asebenza njengomoya okanye amaxesha asebenza njengemoto. Ngakwesibini, pure foam inceda umoya nokususa esophu, kufanele kumaxesha amanani.

Ngubani amandla okwesiqhama somkhakha kwise zihlahla ezincinci ezi EVA?

Izandla zokwesiqhama zingabonisa ngendlela ifomu kunye nekuphumelela, ukungena isenzo esisodwa kwi terrains eziningi. Izandla ezikhethwe khona zingahamba ukukhupha ukugcina, ukufinyelela umoya wosizo nokusasaza.

Ngubani inqanawe yesandla sokunyusa kunye nesikhombiselo sesikhovu kumncedo we EVA?

Inqanawe yesandla yokunyusa iyiphindaphinda ukuthi lokuhlula kunye nokulondoloza, ukusebenzisa ukuzihlinza izandla nokuvamile, kunye nokuhlula esikhovu sikhathalelise umoya wosizo nokuhlola ukusasaza, ukuze alikho ungena phansi kunye nokuhlola ukuba ubuyeke.