1. Phallo ea motheo ea ts'ebetso
Ka tsoelo-pele e potlakileng ea indasteri ea morao-rao, haholo-holo indasteri ea lik'hemik'hale, ho na le mefuta e sa tšoaneng ea lihlahisoa tsa rabara, empa mekhoa ea bona ea tlhahiso e tšoana hantle.Ts'ebetso ea tlhahiso ea lihlahisoa tse entsoeng ka rabara e tiileng e akaretsang (rabara e tala) e kenyelletsa haholo:
Tokiso ea thepa e tala → polasetiki → ho kopanya → ho theha → vulcanization → ho kuta → tlhahlobo
2. Tokisetso ea lisebelisoa tse tala
Lisebelisoa tsa mantlha tsa lihlahisoa tsa rabara li kenyelletsa rabara e tala, metsoako e kopanyang, lisebelisoa tsa fiber le lisebelisoa tsa tšepe.Har'a tsona, rabara e tala ke thepa ea motheo;Motsoako oa motsoako ke lisebelisoa tse thusang tse kenyelletsoeng ho ntlafatsa thepa e itseng ea lihlahisoa tsa rabara;Lisebelisoa tsa fiber (k'hothone, line, boea, likhoele tse fapaneng tsa maiketsetso, likhoele tsa maiketsetso) le lisebelisoa tsa tšepe (terata ea tšepe, terata ea koporo) li sebelisoa e le lisebelisoa tsa marapo bakeng sa lihlahisoa tsa rabara ho matlafatsa matla a mochini le ho fokotsa deformation ea sehlahisoa.
Nakong ea ts'ebetso ea ho lokisa thepa e tala, metsoako e tlameha ho lekanngoa ka mokhoa o nepahetseng ho latela foromo.E le hore rabara e tala le ntho e kopanyang li kopane ka ho lekana, lisebelisoa tse itseng li hloka ho sebetsoa:
1. Phallo ea motheo ea ts'ebetso
Ka tsoelo-pele e potlakileng ea indasteri ea morao-rao, haholo-holo indasteri ea lik'hemik'hale, ho na le mefuta e sa tšoaneng ea lihlahisoa tsa rabara, empa mekhoa ea bona ea tlhahiso e tšoana hantle.Ts'ebetso ea tlhahiso ea lihlahisoa tse entsoeng ka rabara e tiileng e akaretsang (rabara e tala) e kenyelletsa haholo:
Tokiso ea thepa e tala → polasetiki → ho kopanya → ho theha → vulcanization → phomola → tlhahlobo
2. Tokisetso ea lisebelisoa tse tala
Lisebelisoa tsa mantlha tsa lihlahisoa tsa rabara li kenyelletsa rabara e tala, metsoako e kopanyang, lisebelisoa tsa fiber le lisebelisoa tsa tšepe.Har'a tsona, rabara e tala ke thepa ea motheo;Motsoako oa motsoako ke lisebelisoa tse thusang tse kenyelletsoeng ho ntlafatsa thepa e itseng ea lihlahisoa tsa rabara;Lisebelisoa tsa fiber (k'hothone, line, boea, likhoele tse fapaneng tsa maiketsetso, likhoele tsa maiketsetso) le lisebelisoa tsa tšepe (terata ea tšepe, terata ea koporo) li sebelisoa e le lisebelisoa tsa marapo bakeng sa lihlahisoa tsa rabara ho matlafatsa matla a mochini le ho fokotsa deformation ea sehlahisoa.
Nakong ea ts'ebetso ea ho lokisa thepa e tala, metsoako e tlameha ho lekanngoa ka mokhoa o nepahetseng ho latela foromo.E le hore rabara e tala le ntho e kopanyang li kopane ka ho lekana, lisebelisoa tse itseng li hloka ho sebetsoa:
Rabara e tala e lokela ho nolofatsoa ka kamoreng ea ho omisa ea 60-70 ℃ pele e khaoloa le ho robeha likotoana tse nyane;
Thibelo e kang li-additives tse kang parafine, stearic acid, rosin, joalo-joalo li hloka ho siloa;
Haeba motsoako o nang le phofo o na le litšila tsa mechine kapa likaroloana tse mahoashe, o hloka ho hlahlojoa le ho tlosoa;
Li-additives tsa mokelikeli (pine tar, coumarone) li hloka ho futhumatsa, ho qhibiliha, metsi a fetohang mouoane, le litšila tse hloekisang;
Motsoako oa motsoako o hloka ho omisoa, ho seng joalo o na le tšekamelo ea ho bokellana 'me o ke ke oa qhalakanngoa ka ho lekana nakong ea ho kopanya, ho fella ka li-bubble nakong ea vulcanization le ho ama boleng ba sehlahisoa;
3. Ho hloekisa
Rabara e tala e rekere 'me ha e na thepa e hlokahalang (polasetiki) bakeng sa ts'ebetso, e etsang hore ho be thata ho e sebetsa.E le ho ntlafatsa polasetiki ea eona, ho hlokahala ho hloekisa rabara e tala;Ka tsela ena, moemeli oa ho kopanya o qhalakanngoa habonolo ka rabara e tala nakong ea ho kopanya;Ka nako e ts'oanang, nakong ea ho phunya le ho theha, e boetse e thusa ho ntlafatsa ho phunyeletsa ha thepa ea rabara (ho kenella ka har'a lesela la fiber) le ho theha metsi.Mokhoa oa ho nyenyefatsa limolek'hule tsa ketane e telele tsa rabara e tala ho theha polasetiki e bitsoa polasetiki.Ho na le mekhoa e 'meli ea ho hloekisa rabara e tala: ho hloekisa ka mechine le ho hloekisa mocheso.Plastiki ea mechine ke mokhoa oa ho fokotsa ho senyeha ha limolek'hule tsa rabara tse telele le ho li fetola ho tloha boemong bo tsitsitseng haholo ho ea ho boemo ba polasetiki ka ho phunyeha ha mochine le ho ferekana ha mochine oa polasetiki ka mocheso o batlang o le tlaase.Thermoplastic refining ke mokhoa oa ho kenya moea o chesang o hatelitsoeng ka har'a rabara e tala, eo, tlas'a ketso ea mocheso le oksijene, e theolang le ho khutsufatsa limolek'hule tsa ketane e telele, kahoo e fumana polasetiki.
4. Ho kopanya
E le ho ikamahanya le maemo a fapaneng a ts'ebeliso, ho fihlela ts'ebetso e fapaneng, le ho ntlafatsa ts'ebetso ea lihlahisoa tsa rabara le ho fokotsa litšenyehelo, hoa hlokahala ho eketsa li-additives tse fapaneng ho rabara e tala.Ho kopanya ke mokhoa oa ho kopanya rabara e tala e entsoeng ka polasetiki le motsoako oa motsoako le ho e kenya ka har'a motsoako oa rabara.Ka ho kopanya mechine, motsoako oa motsoako o qhalakantsoeng ka ho feletseng le ka mokhoa o ts'oanang ka rabara e tala.Ho kopanya ke ts'ebetso ea bohlokoa tlhahisong ea lihlahisoa tsa rabara.Haeba ho kopanya ho sa tšoane, karolo ea rabara le li-additives e ke ke ea sebelisoa ka botlalo, e amang ts'ebetso ea sehlahisoa.Thepa ea rabara e fumanoeng ka mor'a ho tsoakoa, e tsejoang e le rabara e tsoakiloeng, ke lisebelisoa tse feliloeng tse sebelisoang ho etsa lihlahisoa tse fapaneng tsa rabara, tse tsejoang ka hore ke lisebelisoa tsa rabara.Hangata e rekisoa e le thepa, 'me bareki ba ka sebetsana ka ho toba le ho senya thepa ea rabara ho hlahisa lihlahisoa tse hlokahalang tsa rabara.Ho ea ka mekhoa e fapaneng, rabara e tsoakiloeng e na le letoto la limaraka le mefuta e sa tšoaneng e nang le thepa e fapaneng, e fanang ka likhetho.
5. Ho theha
Ts'ebetsong ea tlhahiso ea lihlahisoa tsa rabara, ts'ebeliso ea mochini oa rolling kapa extrusion ho etsa libopeho le boholo bo fapaneng o bitsoa molding.Mekhoa ea ho theha e kenyelletsa:
Ho etsa rolling ho loketse bakeng sa ho etsa lihlahisoa tse bonolo tsa lakane le poleiti.Ke mokhoa oa ho hatella rabara e tsoakiloeng ka sebopeho se itseng le boholo ba filimi ka mochini o bilikang, o bitsoang rolling forming.Lihlahisoa tse ling tsa rabara (tse kang lithaere, litheipi, li-hoses, joalo-joalo) li sebelisa thepa ea fiber ea textile e tlamehang ho koahetsoe ka lesela le lesesaane la sekhomaretsi (le tsejoang hape e le sekhomaretsi kapa ho hlakola likhoele), 'me mokhoa oa ho roala hangata o phetheloa holim'a lesela. mochini o rolang.Lisebelisoa tsa fiber li hloka ho omisoa le ho kenngoa pele li phuthoa.Sepheo sa ho omisa ke ho fokotsa mongobo oa thepa ea fiber (ho qoba ho fetoha mouoane le ho phophoma) le ho ntlafatsa.
Nako ea poso: Jan-09-2024
