Moetsi oa litsebi oa mechini ea thermoforming.
Puo
Moetsi oa litsebi oa mechini ea thermoforming.
Mekhoa ea ho futhumatsa le lisebelisoa kamochini o ikemetseng oa ho etsa vacuumli na le mekhoa e mengata, e kenyelletsang mekhoa e tsamaisang le e khanyang ea ho fetisa mocheso. Ho fapana le mefokolo e thata, mokhoa oa ho futhumatsa bakeng sa maqephe a polasetiki a ka kenyelletsa mekhoa ea ho fetisa mocheso kapa e khanyang. Khetho ea mokhoa oa ho futhumatsa e susumetsoa ke lintlha tse fapaneng tse kang mofuta oa polasetiki, botenya ba thepa, le katleho e lakatsehang ea tlhahiso. Lisebelisoa tsa ho futhumatsa ho tloha ho oli, motlakase, metsi a futhumetseng ho ea ho mouoane. Lishiti tse tšesaane hangata li rua molemo ho futhumatsang poleiti e khanyang kapa e chesang, athe lishiti tse teteaneng li ka hloka ho futhumatsoa esale pele ka liontong ho fokotsa khatello ea lisebelisoa tsa ho etsa le ho ntlafatsa ts'ebetso e sebetsang hantle.
Tšebeliso e nepahetseng ea matla a futhumatsang ke ea bohlokoamochini o etsang vacuum. Lisebelisoa tsa ho futhumatsa li ka sebetsa ka matla a feletseng kapa a halofo, ho itšetlehile ka mocheso o bonolo oa thepa ea polasetiki. Ho feta moo, phapang lipakeng tsa ho futhumatsa ka lehlakore le le leng le mahlakore a mabeli e ntlafatsa ts'ebetso. Lishiti tse tšesaane li rua molemo ka ho futhumatsa ka lehlakoreng le le leng, athe maqephe a teteaneng hangata a hloka ho futhumatsa ka mahlakoreng a mabeli ho potlakisa litekanyetso tsa ho futhumatsa le ho ntlafatsa katleho ea tlhahiso.
Taolo ea mocheso e bohlokoa homochini oa ho etsa li-vacuum tsa polasetiki ho netefatsa liphetho tse nepahetseng le ho boloka boleng ba sehlahisoa. Lisebelisoa tsa ho futhumatsa hangata li sebetsa ka har'a likhato tse 370 ho isa ho tse 650 tsa Celsius, ka matla a matla a ka bang 3.5 ho isa ho 6.5 watts ka square centimeter. Sesebelisoa sa ho futhumatsa se sebetsa ka mocheso o phahameng haholo. Ka tloaelo, maqephe a polasetiki ha a kopane ka ho toba le sesebelisoa sa ho futhumatsa nakong ea tšebeliso, a sebelisa mokhoa o sa tobang oa ho futhumatsa ho e-na le hoo. Mokhoa ona oa ho futhumatsa o sa tobang o etsa bonnete ba hore thepa e futhumetse ntle le ho pepeseha ka ho toba lisebelisoa tsa ho futhumatsa, kahoo ho boloka mocheso o tšoanang le ho fokotsa kotsi ea ho senyeha ha mocheso. Sebaka se pakeng tsa sesebelisoa sa ho futhumatsa le thepa se ka fetoloa ho laola mocheso oa sebopeho ka katleho, hangata ho tloha ho 8 ho ea ho 30 centimeters, ho matlafatsa taolo ea mocheso le ho nepahala nakong ea ts'ebetso ea ho etsa vacuum.
Ho ntlafatsa litekanyetso tsa tlhahiso le katleho, ho sebelisoa mekhoa ea ho futhumatsa ka mahlakoreng a mabeli kapa mekhoa e mengata ea ho futhumatsa. Ho futhumatsa ka mahlakoreng a mabeli ho sebelisa lisebelisoa tse futhumatsang ka holimo le ka tlase ho thepa, ka karolo e tlase ea ho futhumatsa e behiloe mocheso o tlase hanyane ho thibela ho sisinyeha le ho netefatsa hore mocheso o ts'oanang. Litlhophisong tse tsoelang pele kapa tse fanang ka lijo tse ngata, ho futhumatsa ka mekhahlelo e mengata ho lumella taolo e nepahetseng holim'a karolo e 'ngoe le e' ngoe ea ho futhumatsa, ho netefatsa tšebelisano e se nang moeli le maemo a nepahetseng a ho theha.
Taolo e nepahetseng ea mocheso ka har'a hlobo e bohlokoa bakeng sa ho netefatsa boleng ba sehlahisoa le katleho ea tlhahiso. Ho boloka mocheso oa hlobo ka har'a mefuta e itseng ho thibela mathata a kang libaka tse batang, khatello ea maikutlo, kapa ho khomarela lintho tse bonahalang, tse ka senyang botšepehi ba lihlahisoa tse entsoeng. Hantle-ntle, mocheso oa hlobo o lokela ho bolokoa o ka bang likhato tse 50 tsa Celsius ho thusa ho thetheha hamonate le ho fokotsa tieho ea tlhahiso.
Sebakeng sa ho etsa vacuum, lisebelisoa tsa ho futhumatsa li bapala karolo ea bohlokoa ho bopeng katleho le ho nepahala ha mokhoa oa tlhahiso. Ka ho sebelisa mekhoa e fapaneng ea ho futhumatsa, ho ntlafatsa ts'ebeliso ea matla, le ho boloka taolo e nepahetseng ea mocheso, bahlahisi ba ka ntlafatsa litefiso tsa tlhahiso, ba fokotsa liphoso, 'me ba fana ka lihlahisoa tsa boleng bo holimo khafetsa. Ha tsoelo-pele ea theknoloji le indasteri e batla ho fetoha, boqapi bo tsoelang pele ba lisebelisoa tsa ho futhumatsa ntle le pelaelo bo tla tsamaisa lintlafatso tse ling lits'ebetsong tsa ho etsa vacuum, ho bula menyetla e mecha ea ho sebetsa hantle le ho nepahala ha tlhahiso.
Moetsi oa litsebi oa mechini ea thermoforming.
