Boea bo tloaelehileng ba lefikaphanele ea sandwiche na le mealo e 'meli ea tšepe e nang le khubu ea ulu ea lefika bohareng. Moralo ona oa sebopeho o fa thepa ena thepa e ntle ea 'mele le thepa e tsitsitseng ea lik'hemik'hale. Phanele ea sandwich ea ulu ea lefika ha e sebelisoe haholo mehahong e tloaelehileng feela, empa hape e tumme haholo kahong ea polokelo e batang.
Tshebetso e ntle ea ho sireletsa mocheso ea boto ea polokelo e batang ea ulu ea lefika
Liphanele tsa sandwich tsa ulu ea lefikae ka ba thepa e tloaelehileng ea kaho bakeng sa merero ea polokelo e batang, ka lebaka la thepa ea eona e ntle ea ho thibela mocheso.
Thepa ea mantlha ea phanele ea sandwich ea boea ba lefika ke faeba ea tlhaho ea lefika. Faeba ea boea ba lefika e na le ntlha e phahameng ea ho qhibiliha, thepa e tsitsitseng le ho tšoarella ho matla. Ho na le palo e kholo ea likheo tse nyane pakeng tsa likhoele tsa thepa ea mantlha ea boea ba lefika. Ka lehlakoreng le leng, sebopeho sena se ka sitisa phallo ea moea le ho fokotsa katleho ea ho tsamaisa mocheso.
Ka lehlakoreng le leng, boteng ba moea o mongata ka har'a li-fiber voids bo ka matlafatsa bokhoni ba ho thibela mocheso ba lakane. Ho ea ka lipalo, ho khanna mocheso ha liphanele tsa sandwich tsa ulu ea majoe hangata ho pakeng tsa 0.030-0.050W/(m·K). Mofuta ona oa poleiti e kopaneng o ka thibela tšusumetso ea mocheso oa kantle mochesong oa kahare ka katleho.
Ka hona, diphanele tsa sandwich tsa ulu ea lefika, joalo ka diphanele tsa sandwich tsa polyurethane, ke thepa e loketseng haholoanyane ea kaho bakeng sa polokelo e batang. Liphetho tse sebetsang tsa merero e mengata ea polokelo e batang li bontša hore polokelo e batang e hahiloeng ke liphanele tsa sandwich tsa ulu ea lefika e ka netefatsa botsitso ba mocheso oa lintho tse bolokiloeng. Ka nako e ts'oanang, e ka boela ea ntlafatsa katleho ea ts'ebetso ea sistimi ea sehatsetsing le ho fokotsa tšebeliso ea matla ea polokelo e batang.
Ho hanyetsa mollo ka mokhoa o babatsehang oa boto ea polokelo e batang ea ulu ea lefika
Ha ho bapisoa le boto e tloaelehileng ea polokelo ea lintho tse batang ea polyurethane, molemo o ka sehloohong oa boto ea polokelo ea lintho tse batang ea ulu ea lefika o ho hanyetsa ha eona mollo hantle. Lisebelisoa tsa liphanele tsa sandwich tsa ulu ea lefika ke metsoako ea tšepe le likhoele tsa lefika, tseo ka bobeli li thibelang mollo le ho thibela malakabe. Tlas'a ho besoa ha mocheso o phahameng, ulu ea lefika e ke ke ea chesa kapa ea ntša likhase tse chefo.
Tekanyo ea mollo ea liphanele tsa sandwich tsa ulu ea lefika e ka fihla sehlopheng sa A, e leng se betere ho feta liphanele tsa sandwich tsa Grade B1 PIR le liphanele tsa sandwich tsa PU tsa Grade B2. Ho hanyetsa mollo ho hoholo ho etsa qeto ea hore liphanele tsa sandwich tsa ulu ea lefika li loketse haholo limmaraka tse kang United States le Europe tse hlokang ho hanyetsa mollo haholo mehahong.
Matla a maholo a polokelo ea batang ea boto ea ulu ea lefika
Mererong ea polokelo e batang, baenjiniere hangata ba beha lifene tse batang holim'a 'mele oa polokelo bakeng sa phello e ntle ea ho pholisa. Ka nako e ts'oanang, e le ho eketsa bokhoni ba ho jara ba polokelo e batang, ka linako tse ling hoa hlokahala ho kenya liraka le lisebelisoa tse ling 'meleng oa polokelo. Sena se hloka hore boto ea polokelo e batang e hloke ho ba le matla a itseng a sebopeho 'me e ka jara boima bo itseng. Ho phaella moo, tikoloho e nang le mocheso o tlase le mongobo o phahameng polokelong e batang le eona e hloka ho tšoarella ho hoholo ha thepa ea kaho. Liphanele tsa sandwich tsa ulu ea lefika li ka fihlela litlhoko tsena tse peli.
Phanele ea sandwich ea ulu ea lefika e entsoe ka motsoako oa phanele ea tšepe le thepa ea mantlha ea ulu ea lefika ka mokhoa o ikhethileng. Lakane ka boeona e na le thepa ea 'mele ea liphanele tsa tšepe le likhoele tsa ulu ea lefika, 'me e na le matla a matla a sebopeho. Ho feta moo, thepa ea eona ea 'mele e lula e le matla ha nako e ntse e ea. Ho tšoarella ho hoholo ho boloka polokelo e batang e le boemong bo botle 'me ho fokotsa litšenyehelo tsa tlhokomelo.
Ho bonolo ho kenya 'me e ka sebelisoa hape
Liphanele tsa sandwich tsa ulu ea lefika li bobebe ka boima, li bonolo ho li tsamaisa le ho li sebetsana, 'me li na le sekhahla se tlase sa tahlehelo. Ho feta moo, nakong ea ts'ebetso ea kaho, batho ba ne ba sebelisa li-slicing ho kenya liphanele tsa sandwich hammoho. Tlhahiso e tloaelehileng ea liphanele tsa sandwich tsa ulu ea lefika e netefatsa ho nepahala ha litekanyo 'me e etsa hore ts'ebetso ea ho kenya e nepahale le ho sebetsa hantle. Bahlahisi ba ka rala le ho etsa maqephe ana ka mokhoa o feto-fetohang ho fihlela litlhoko tse itseng tsa polokelo e batang.
Basebetsi ba ka boela ba sebelisa liphanele tsa sandwich esita le ka mor'a ho li qhaqha, e leng se eketsang melemo ea moruo ea projeke.
Mathata a boto ea polokelo ea batang ea ulu ea lefika
Leha mapolanka a polokelo a batang a ulu ea lefika a na le ts'ebetso e ntle ka kakaretso, a boetse a na le mathata. Thepa ea mantlha ea phanele ea sandwich ea ulu ea lefika ke ulu ea lefika e entsoeng ka ho hatelloa ha likhoele tsa lefika ka mechine. Leha ho le joalo, tlamo pakeng tsa likhoele ha e atamelehe, 'me ka mor'a nako e itseng, likhoele tse mathōkong li tla robeha le ho oa. Phoso ena e beha boto kotsing, e lumella mouoane oa metsi ho kena le ho fokotsa bokhoni ba eona ba ho thibela ho ruruha.
E le ho rarolla bothata bona, hona joale ho na le litharollo tse peli. E 'ngoe ke ho sebelisa foreimi ea poleiti ea tšepe e koetsoeng. Batho ba kenya lipoleiti tsa tšepe mahlakoreng ka bobeli a phanele ea sandwich ea ulu ea lefika ho lokisa mahlakore a mabeli a boloko ba ulu ea lefika boo ho leng bonolo ho bo oa le litšila. E 'ngoe ke ho tšela thepa ea foam ea polyurethane mahlakoreng ka bobeli a boloko ba ulu ea lefika. Bahlahisi ba lokisa boloko ba ulu ea lefika ka ho atolosa thepa ea polyurethane mochesong o phahameng.
Nako ea poso: Pherekhong-04-2026