1. Mokhoa oa mantlha oa ho phalla
Ka nts'etsopele e potlakileng ea indasteri ea sejoale-joale, haholo indasteri ea linomoro, ho na le mefuta e fapaneng ea lihlahisoa tsa raban, empa mekhoa ea bona ea tlhahiso e hlile e tšoana. Ts'ebetso ea tlhahiso ea lihlahisoa e entsoeng ka rabarad e tiileng (raw raber) haholo-holo e kenyeletsa:
Ho hlophisa lintho tse bonahalang → polasetiki ea litšila → Ho kopanya
2. Litokisetso tsa lisebelisoa tse tala
Lisebelisoa tse ka sehloohong tsa lihlahisoa tsa rabara li kenyelletsa baetsi ba rama, ba kopanyang, thepa ea fiber le lisebelisoa tsa tšepe. Har'a bona, raba raba e tala ke lintho tsa motheo; Moemeli ea bitsang ke ntho e thusang ho ekelletsoa ho ntlafatsa matla a itseng a lihlahisoa tsa raban; Lisebelisoa tsa fiber (k'hothone, line, likhoele tse fapaneng tsa maiketsetso le lisebelisoa tsa tšepe tsa skeleton le ho fokotsa deformation.
Nakong ea ts'ebetso ea lintho tse bonahalang, metsoako e tlameha ho imeloa ka nepo ho ea ka foromo. Bakeng sa raw raba ea raw le moemeli ea ntseng a kopanya le ho kopanya ka mokhoa o tšoanang, thepa e itseng e hloka ho sebetsoa:
1. Mokhoa oa mantlha oa ho phalla
Ka nts'etsopele e potlakileng ea indasteri ea sejoale-joale, haholo indasteri ea linomoro, ho na le mefuta e fapaneng ea lihlahisoa tsa raban, empa mekhoa ea bona ea tlhahiso e hlile e tšoana. Ts'ebetso ea tlhahiso ea lihlahisoa e entsoeng ka rabarad e tiileng (raw raber) haholo-holo e kenyeletsa:
Ho hlophisa lintho tse bonahalang → polasetiki ea polasetiki → Ho theha → Vulcanization → ho phomola
2. Litokisetso tsa lisebelisoa tse tala
Lisebelisoa tse ka sehloohong tsa lihlahisoa tsa rabara li kenyelletsa baetsi ba rama, ba kopanyang, thepa ea fiber le lisebelisoa tsa tšepe. Har'a bona, raba raba e tala ke lintho tsa motheo; Moemeli ea bitsang ke ntho e thusang ho ekelletsoa ho ntlafatsa matla a itseng a lihlahisoa tsa raban; Lisebelisoa tsa fiber (k'hothone, line, likhoele tse fapaneng tsa maiketsetso le lisebelisoa tsa tšepe tsa skeleton le ho fokotsa deformation.
Nakong ea ts'ebetso ea lintho tse bonahalang, metsoako e tlameha ho imeloa ka nepo ho ea ka foromo. Bakeng sa raw raba ea raw le moemeli ea ntseng a kopanya le ho kopanya ka mokhoa o tšoanang, thepa e itseng e hloka ho sebetsoa:
Raw raw raw e lokela ho nolofatsoa ka kamoreng ea ho omisa 60-70 ℃ e omella pele e ka khaoloa ebe e robeha likotoana tse nyane;
Thibela joalo ka litlatsetso tse kang parafinive, stearic acid, rosin, jj. E hloka ho sithabetsoa;
Haeba motsoako o phofo o na le litšila tsa mochini kapa likaroloana tsa leoatle, e hloka ho hlahlojoa le ho tlosoa;
Litlatsetso tsa metsi (tar ea pine, coumarone) e hloka ho futhumatsa, ho qhibilihi, metsi a chesang le litšila tsa sefa;
Moemeli ea ntseng a sebelisana 'moho o hloka ho omisoa, ho seng joalo ho na le tloaelo ea ho bokella' me ho ke ke ha bululeloa ka ho kopanya ka nako ea ho kopanya le ho ama boleng ba sehlahisoa;
3. Ho hloekisa
Rala raba e boreleli ebile e haelloa ke thepa e hlokahalang bakeng sa ho sebetsa, e etsa hore ho be thata ho sebetsa. E le ho ntlafatsa polasetiki ea eona, hoa hlokahala ho hloekisa rabara ea tala; Ka tsela ena, moemeli ea kopaneng o tsamaisana le ka mokhoa o bonolo haholo rabaraporeng e tala nakong ea ho kopanya; Ka nako e ts'oanang, nakong ea ho roma le ho theha, ho boetse ho thusa ho ntlafatsa ho ntlafatsoa ha thepa ea rabara (ho kenella ho Firdity) le ho theha phofo. Mohato oa ho senya limolek'hule tse telele tsa li-mongole tsa raw rabbara ea raw e bitsoa polasetiki. Ho na le mekhoa e 'meli ea ho heba rabara ea pherekano: mochini o hanyetsang le o khathollang o hloekisang. Mechang ea boselamose ea boselamose ke mohato oa ho fokotsa limoleke tse telele le ho li fetola le ho fetoha le kahlolo ea polasetiki ka mocheso o tlase oa polasetiki. Thermoplastic ke ts'ebetso ea ho tlisa moea o chesang o hahiloeng raba raw, e leng okgani oa mocheso, ka tsela eo o fumana polasetiki.
4. Ho kopanya
Bakeng sa ho ikamahanya le maemo a fapaneng a Lefapha la Ts'ebeliso e fapaneng, 'me u ntlafatse ts'ebetso ea lihlahisoa tsa rabare le ho fokotsa litšenyehelo, ho hlokahala ho eketsa litlatsetso tse fapaneng rabara. Ho kopanya ke mokhoa oa ho kopanya rabara ea polasetiki ea polasetiki le moemeli ea bitsang le ho beha mochineng oa rabara. Ka ho kopanya ka mokhoa o kopanyang, moemeli ea ntseng a kopanya, 'me a qhalabile ka botlalo rabara ea pherekano. Ho kopanya ke ts'ebetso ea bohlokoa tlhahisong ea lihlahisoa tsa rabare. Haeba ho kopanya ha se junifomo, karolo ea rabara le litlatsetso e ke ke ea sebelisoa ka botlalo, e amang tšebetso ea sehlahisoa. Lingoliloeng tsa Rubber li fumanoa kamora ho kopanya, e tsejoang ka hore li entsoe ka lihlahisoa tse ngata tsa rabara, tse tsejoang e le thepa ea rabara. Hangata e rekisoa e le setsebi, 'me bareki ba ka sebetsana ka kotloloho le ho vulla thepa ea rabara ho hlahisa lihlahisoa tse hlokahalang tsa rabara. Ho latela mekhoa e fapaneng, rabara e tsoakiloeng e na le letoto la limaraka tse fapaneng le mefuta ea lisebelisoa tse fapaneng, e fanang ka liqeto.
5. E etsa
Ts'ebetsong ea tlhahiso ea lihlahisoa tsa rabara, tšebeliso ea mochini o ikatisang ho tšela libopeho le boholo bo fapaneng ho bitsoa bobuning. Mekhoa ea ho theha:
Ho tsamaisa foromo ho loketse ho fana ka leqephe le bobebe le lihlahisoa tse betliloeng ka poleiti. Ke mokhoa oa ho tobetsa rabara e tsoakiloeng ka sebopeho se itseng le boholo ba filimi mochini o hatellang, o bitsitsoeng ho theha. Lihlahisoa tse ling tsa rabare (joalo ka lithaere, litheipi, hoses, joalo-joalo Lisebelisoa tsa fiber li hloka ho omisoa le ho kenella pele pele u robetse. Morero oa ho omisa ke ho fokotsa mongobo oa thepa ea fiber (ho qoba mouoane le ho phatloha) le ho ntlafatsa
Nako ea poso: Jan-09-2024
