1, polasetiki ea PE (polyethylene)
Matla a khoheli a khethehileng: 0.94-0.96g/cm3
Mold shrinkage: 1.5-3.6%
Mocheso oa ho bōpa: 140-220 ℃
Ts'ebetso ea lintho tse bonahalang
Ho hanyetsa kutu, ho kenya motlakase (haholo-holo ho pota-potile maqhubu a phahameng) ho molemo haholo, ho ka hloekisoa, ho fetoloa mahlaseli, fiber e fumanehang ea khalase e matlafalitsoe.Polyethylene ea khatello e tlaase e na le ntlha e phahameng ea ho qhibiliha, ho tiea, ho thatafala le matla, ho monya metsi a tlaase, thepa e ntle ea motlakase le ho hanyetsa mahlaseli;polyethylene e nang le khatello e phahameng e na le ho feto-fetoha ha maemo hantle, ho lelefatsa, matla a tšusumetso le ho kenella;polyethylene ea boima ba limolek'hule e phahameng haholo e na le tšusumetso e matla, ho hanyetsa mokhathala le ho hanyetsa ho apara.
Polyethylene e nang le khatello e tlase e loketse ho etsa likarolo tse hanyetsanang le kutu le likarolo tse sireletsang;polyethylene ea khatello e phahameng e loketse ho etsa lifilimi, joalo-joalo;UHMWPE e loketse ho etsa likarolo tse khahlang, tse hananang le tsa phetiso.
Tshebetso ea ho bopa
1, lisebelisoa tsa kristale, monyo o monyane oa mongobo, ha o hloke ho omella ka botlalo, mokelikeli o motle haholo, mokelikeli o na le khatello ea maikutlo.Ente ea khatello e phahameng e loketse ho bōpa, mocheso oa thepa o ts'oanang, lebelo la ho tlatsa ka potlako le ho tšoara khatello e lekaneng.Ha hoa lokela ho sebelisa gating e tobileng ho thibela ho fokotseha ho sa tšoaneng le ho eketseha ha khatello ea kelello ka hare.Ela hloko khetho ea sebaka sa heke ho thibela shrinkage le deformation.
2、Shrinkage range le shrinkage value e kholo, tataiso e hlakile, ho bonolo ho deformation le warpage.Lebelo la ho pholisa le lokela ho tsamaea butle, 'me hlobo e lokela ho ba le likheo tse batang le tsamaiso ea ho pholisa.
3. Nako ea ho futhumatsa ha ea lokela ho ba telele haholo, ho seng joalo ho bola ho tla etsahala le ho cha.
4, Ha likarolo tse bonolo tsa polasetiki li na le li-grooves tse sa tebang, hlobo e ka qobelloa ho tima.
5, Ho phatloha ha ho qhibiliha ho ka etsahala 'me ha hoa lokela ho kopana le metsoako ea manyolo ho thibela ho phunyeha.
2, polasetiki ea PC (polycarbonate)
Matla a khoheli a khethehileng: 1.18-1.20g/cm3
Mold shrinkage: 0.5-0.8%
Mocheso oa ho bōpa: 230-320 ℃
Boemo ba ho omisa: 110-120 ℃ 8 lihora
Ts'ebetso ea lintho tse bonahalang
Matla a ts'ebetso e phahameng, botsitso bo botle ba sebopeho, bo se nang mebala ebile bo pepenene, 'mala o motle, ho kenya motlakase o motle, ho hanyetsa kutu le ho hanyetsa abrasion, empa ho itšilafatsa ho fokolang, tšekamelo ea khatello ea maikutlo, hydrolysis e bonolo ka mocheso o phahameng, ho se tsamaisane hantle le li-resin tse ling.
E loketse ho etsa likarolo tse nyenyane tsa insulating le tse hlakileng tsa lisebelisoa le likarolo tse hanyetsanang le tšusumetso.
Tshebetso ea ho bopa
1, thepa ea amorphous, botsitso bo botle ba mocheso, mocheso o fapaneng oa mocheso, metsi a fokolang.Ho monya mongobo o monyane, empa ho na le maikutlo a metsi, ho tlameha ho omisoa.Molding shrinkage e nyane, e atisa ho qhibiliha ho phunyeha le khatello ea kelello, kahoo maemo a ho bōpa a lokela ho laoloa ka thata, 'me likarolo tsa polasetiki li lokela ho kenngoa.
2, mocheso o phahameng o qhibilihang, viscosity e phahameng, likarolo tsa polasetiki tse fetang 200g, ho loketse ho sebelisa nozzle ea mofuta oa ho futhumatsa.
3, Fast tsidifatso lebelo, hlobo a tšela tsamaiso ho mahoashe, e khutsoanyane e le molao-motheo, e lokela ho hlomamisa lintho tse batang hantle, heke e lokela ho nkoa e khōlō, hlobo lokela ho halefile.
4, mocheso oa thepa o tlase haholo o tla baka khaello ea lintho tse bonahalang, likarolo tsa polasetiki tse se nang khanya, mocheso oa thepa o phahame haholo ho bonolo ho phalla bohale, likarolo tsa polasetiki li senya.Ha mocheso oa hlobo o le tlase, ho honyela, ho lelefatsa le matla a tšusumetso a phahame, ha ho kobeha, ho hatella le matla a ho tsitsa a tlase.Ha mocheso oa hlobo o feta likhato tse 120, likarolo tsa polasetiki li lieha ho pholile ebile ho bonolo ho holofala le ho khomarela hlobo.
3, polasetiki ea ABS (acrylonitrile butadiene styrene)
Matla a khoheli a khethehileng: 1.05g/cm3
Mold shrinkage: 0.4-0.7%
Mocheso oa ho bōpa: 200-240 ℃
Boemo ba ho omisa: 80-90 ℃ 2 lihora
Ts'ebetso ea lintho tse bonahalang
1, Ts'ebetso e ntle ka kakaretso, matla a tšusumetso e phahameng, botsitso ba lik'hemik'hale, thepa e ntle ea motlakase.
2, Motsoako o motle o nang le likhalase tse 372 tse entsoeng ka likarolo tsa polasetiki tse mebala e 'meli,' me bokaholimo bo ka ba chrome-plated, kalafo ea pente ea spray.
3, ho na le tšusumetso e phahameng, ho hanyetsa mocheso o phahameng, ho thibela lelakabe, ho ntlafatsa, ho pepeseha le maemo a mang.
4, fluidity e mpe ho feta HIPS, e betere ho feta PMMA, PC, joalo-joalo, ho fetoha habonolo.
E loketse ho etsa likarolo tse akaretsang tsa mochini, likarolo tse sa sebetseng, likarolo tsa phetiso le likarolo tsa mehala.
Tshebetso ea ho bopa
1, thepa ea amorphous, metsi a mahareng, ho monya mongobo, e tlameha ho omisoa ka botlalo, litlhoko tsa bokaholimo ba likarolo tsa polasetiki tse benyang e tlameha ho ba nako e telele ea ho omisa likhato tse 80-90, lihora tse 3.
2, Ho eletsoa ho nka mocheso o phahameng oa thepa le mocheso o phahameng oa hlobo, empa mocheso oa thepa o phahame haholo ebile o bonolo ho bola.Bakeng sa likarolo tsa polasetiki tse nepahetseng tse phahameng, mocheso oa hlobo e lokela ho ba likhato tse 50-60, 'me bakeng sa likarolo tsa polasetiki tse sa keneleng mocheso o phahameng, mocheso oa hlobo o lokela ho ba likhato tse 60-80.
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4, joalo ka ho etsa lisebelisoa tsa maemo a sa keneleng mocheso kapa tse thibelang malakabe, bokaholimo ba hlobo ka mor'a matsatsi a 3-7 a tlhahiso bo tla lula bo bola ka polasetiki, e leng se etsang hore bokaholimo ba hlobo bo be khanyang, hlobo e hloka ho hloekisoa ka nako, athe bokaholimo ba hlobo bo hloka ho eketsa boemo ba ho tima.
4, polasetiki ea PP (polypropylene)
Matla a khoheli a khethehileng: 0.9-0.91g/cm3
Mold shrinkage: 1.0-2.5%
Mocheso oa ho bōpa: 160-220 ℃
Maemo a ho omisa: -
Lintho tse bonahalang
Boima bo fokolang, matla, ho satalla, ho thatafala le ho hanyetsa mocheso ho molemo ho feta polyethylene ea khatello e tlaase, e ka sebelisoa ka likhato tse ka bang 100.Thepa e ntle ea motlakase le li-insulation tsa maqhubu a phahameng ha li amehe ke mongobo, empa li fetoha brittle mocheso o tlase 'me ha li khone ho thibela hlobo le ho tsofala habonolo.
E loketse ho etsa likarolo tse akaretsang tsa mochini, likarolo tse hanyetsanang le kutu le likarolo tsa insulating.
Tshebetso ea ho bopa
1, lisebelisoa tsa kristale, ho monya mongobo ho nyane, ho bonolo ho qhibiliha ho phatloha ha 'mele, ho kopana ha nako e telele le tšepe e chesang ho senyeha habonolo.
2, fluidity e ntle, empa mefuta e fapaneng ea shrinkage le boleng ba shrinkage e kholo, ho bonolo ho etsahala shrinkage, sebono, deformation.
3, Fast tsidifatso lebelo, a tšela tsamaiso le tsidifatso tsamaiso lokela ho lieha ho dissipate mocheso, 'me ela hloko ho laola mocheso bōpa.Tataiso ea mocheso oa thepa e tlaase e totobetse, haholo-holo mocheso o tlaase le khatello e phahameng.Ha mocheso oa hlobo o le tlase ho likhato tse 50, likarolo tsa polasetiki ha li boreleli, li bonolo ho hlahisa fusion e futsanehileng, ho siea matšoao, 'me ka holimo ho likhato tse 90, ho bonolo ho phunya le ho senyeha.
4, botenya ba lebota la polasetiki bo tlameha ho ba bo ts'oanang, ho qoba ho hloka sekhomaretsi, likhutlo tse bohale, ho thibela khatello ea maikutlo.
5, PS polasetiki (polystyrene)
Matla a khoheli a khethehileng: 1.05g/cm3
Mold shrinkage: 0.6-0.8%
Mocheso oa ho bōpa: 170-250 ℃
Maemo a ho omisa: -
Ts'ebetso ea lintho tse bonahalang
Motlakase oa motlakase (haholo-holo o phahameng oa maqhubu) o motle haholo, o se na mebala ebile o pepeneneng, sekhahla sa phetisetso ea leseli ke sa bobeli feela ho likhalase tsa manyolo, mebala, ho hanyetsa metsi, botsitso ba lik'hemik'hale bo lokile.Ka kakaretso matla, empa brittle, ho le bonolo ho hlahisa khatello ea kelello brittle crack, ha e hanyetsane le benzene, peterole le tse ling tse manyolo solvents.
E loketse ho etsa likarolo tse sireletsang le tse hlakileng, likarolo tse khabisitsoeng le likarolo tsa lisebelisoa tsa lik'hemik'hale le lisebelisoa tsa optical.
Ho etsa tshebetso
1, lisebelisoa tsa amorphous, ho kenngoa ha mongobo o monyenyane, ha ho hlokahale hore o omelle ka ho feletseng, ha ho bonolo ho senya, empa coefficient ea katoloso ea mocheso e kholo, e bonolo ho hlahisa khatello ea kelello ka hare.Ho phalla hantle, ho fumaneha bakeng sa ho bopa mochini oa ente ea screw kapa plunger.
2, Mocheso o phahameng oa thepa, mocheso o phahameng oa hlobo le khatello e tlase ea ente li loketse.Ho eketsa nako ea ente ho molemo ho fokotsa khatello ea kelello ka hare le ho thibela ho fokotseha le ho senyeha.
3, e fumanehang ka mefuta e fapaneng ea heke, heke le khokahano ea arc ea polasetiki, e le ho qoba tšenyo ea likarolo tsa polasetiki ha u ea hekeng.Moepa oa demoulding o moholo, ejection e lekana, botenya ba lerako la karolo ea polasetiki bo lekana, ho molemo hore u se ke ua kenya letsoho, haeba ho na le ho kenya, ho lokela ho behoa pele.
Nako ea poso: Aug-12-2022