Lirolara tsa rabara, e le likarolo tsa mantlha tsa ts'ebetso lits'ebetsong tse joalo ka phetisetso, calendering le ho roala, thepa ea bona ea thepa e khetholla ka kotloloho ho nepahala ha ts'ebetso, katleho le boleng ba sehlahisoa sa lisebelisoa. Sengoliloeng sena se hlahloba ka tatellano thepa ea mochini le litšoaneleho tsa lik'hemik'hale tsa lisebelisoa tse tloaelehileng tsa rabara tse kang rabara ea tlhaho, rabara ea nitrile, rabara ea silicone le rabara ea fluorine. Ka ho kopanya litlhoko tsa ts'ebeliso ea maemo a fapaneng a indasteri, e sekaseka ka botebo mohopolo oa mantlha oa khetho ea thepa, e fana ka litšupiso tsa thuto le tse sebetsang bakeng sa khetho ea tekheniki makaleng a kang ho etsa mechini, ho hatisa le ho paka, le ho daea masela le khatiso. Senola molao oa mantlha oa hore "thepa ea rabara e etsa qeto ea ts'ebeliso ea bona".
I. Tlhophiso ea Boitsebiso le Mekhahlelo ea Ts'ebetso ea Core ea Rubber Rollers
Ts'ebetso ea lirolara tsa rabara e khethoa ka kopanelo ke sebopeho sa limolek'hule tsa rabara ea motheo, mokhoa oa crosslinking le foromo ea tlatsetso. Liphapang tsa mantlha tsa ts'ebetso ea lisebelisoa tse tloaelehileng li bohlokoa, li fana ka motheo oa ho ikamahanya le maemo
1.Roller ea tlhaho ea rabara (NR).
Ts'ebetso ea mantlha: Matla a thata a 20-30MPa, sekhahla sa rebound> 70%, khanyetso e ntle ea ho roala, Bokhopo ba Shore 50-70A, mocheso oa mocheso o sebetsang -5 ho isa ho 80 degree.
Likarolo tsa ts'ebetso: elasticity e ikhethang le ho feto-fetoha ha maemo, thepa e tsitsitseng ea mochini, e khonang ho thibela likhatello tsa khatello ka nepo, empa ho hanyetsa oli ho fokola le ho hanyetsa ozone.
2. Rolara ea rabara ea Nitrile (NBR).
Ts'ebetso ea mantlha: Matla a thata a 15-25MPa, boima ba Shore 55-75A, sekhahla sa ho ruruha ha molumo ka oli ea diminerale le oli ea hydraulic e ka tlase ho 10%, mocheso o sebetsang o fapaneng -20 ho isa ho 100 degree.
Likarolo tsa ts'ebetso: E na le ho hanyetsa oli le ho sesa ha eona, e na le matla a itekanetseng, e hanyetsana le-litaba tsa polar, empa e na le maemo a tlase-e thibelang mocheso le boemo ba leholimo.
3. Rabara ea silicone (VMQ) rolara
Ts'ebetso ea mantlha: Boima ba lebopo la 40-60A, mocheso oa mocheso oa ho sebetsa -60 ° C ho isa ho 250 ° C, botsitso bo phahameng le bo tlase ba mocheso, coefficient e tlase ea likhohlano, biocompatibility e lumellana le litekanyetso tsa USP Class VI.
Likarolo tsa ts'ebetso: E na le-mocheso o matla oa ho tsofala le ho sebetsa hantle, ho bonolo ho thefuleha, 'me ha e khomarele thepa, empa matla a eona a ho sebetsa le ho se sebetse ha eona ho fokola ho feta rabara ea tlhaho le rabara ea nitrile.
4. Fluorine rabara (FKM) rolara
Ts'ebetso ea mantlha: Matla a thata a 15-20MPa, thata ea Shore 60-80A, mocheso oa ho sebetsa -20 ° C ho isa ho 260 ° C, o hanyetsana le li-acids tse matla, li-alkali tse matla, li-oxidants tse matla le mafura a lifofane le mecha e meng ea litaba e senyang.
Likarolo tsa ts'ebetso: E na le botsitso bo matla haholo ba lik'hemik'hale le{0}}e hanyetsanang le mocheso o phahameng, bophelo bo bolelele ba ts'ebeletso, empa litšenyehelo li batla li le holimo, 'me ho saroloha ha eona le ho sebetsa ha eona ho batla ho fokola.
5. Chloroprene rabara (CR) rolara
Ts'ebetso ea mantlha: Matla a thata a 25-35MPa, ho thatafala ha Shore 50-70A, boemo ba ho hanyetsa botsofali ba ozone ho fihla ho ASTM D1149 Sehlopha sa A, mocheso oa ho sebetsa -30 degrees C ho isa ho 100 degrees C, index ea oksijene> 38.
Likarolo tsa ts'ebetso: Ho hanyetsa boemo ba leholimo ho leka-lekaneng, ho lieha ha lelakabe le ho hanyetsa ho bola ha lik'hemik'hale, matla a phahameng a mochini, empa ho hanyetsa oli ho fokola ho feta rabara ea nitrile.
Ii. Sesebediswa - Phetoho ya Scene: Ts'ebetso e Nepahetseng ea Rubber Rollers
Litlhoko tsa mocheso, mahareng, khatello, coefficient ea likhohlano, joalo-joalo tsa lirolara tsa rabara maemong a fapaneng a indasteri li fapana haholo. Khetho ea lisebelisoa e hloka ho lumellana hantle le "ts'ebetso - tlhokeho"
1. Indasteri ea ho hatisa le ea ho paka: Ho phehella ho fetisetsa enke e tšoanang le ho sebetsa-ka ho se sebetse
Lisebelisoa tse lumellanang: Lirolara tsa rabara ea tlhaho (NR), lirolara tsa rabara ea nitrile (NBR).
Maikutlo a kopo: Ts'ebetsong ea khatiso, elasticity e phahameng le botsitso bo botle ba lirolara tsa tlhaho tsa rabara li ka netefatsa ts'ebeliso ea enke e ts'oanang, ho qoba matheba a enke le khatiso e sieo. Bakeng sa maemo ao li-solvents tsa enke li kopanang teng, ho hanyetsa oli ea li-roller tsa rabara tsa nitrile ho ka thibela thepa hore e se ke ea ruruha le ho senyeha, ho netefatsa ho nepahala ha khatiso.
Lisebelisoa tse tloaelehileng: Lirolara tsa ho fetisa enke bakeng sa mechini e hatisang ea offset, lirolara tse hatellang bakeng sa mechini e hatisang ea gravure, le lirolara tse laminating bakeng sa ho paka lifilimi.
2. Indasteri ea khatiso ea masela le ho daea: Ho leka-lekanya ho hanyetsa mocheso le litlhokahalo tsa -tse khahlanong le tšilafalo.
Lisebelisoa tse lumellanang: lirolara tsa rabara ea silicone (VMQ), lirolara tsa chloroprene rabara (CR)
Maikutlo a ts'ebeliso: Boemong bo phahameng-mohatong oa ho hatisa le ho daea (mocheso oa 150-200℃), -mohatla o phahameng oa lirola tsa rabara tsa silicone li ka thibela ho tsofala le ho senyeha ha mocheso, 'me thepa e sa thupeng ea holim'a likhoele e fokotsa ho hoholeha ha khoele. Lirolara tse tataisang lesela tsa lisebelisoa tsa masela tsa kantle li entsoe ka rabara ea neoprene, e nang le khanyetso e ntle ea boemo ba leholimo ho hanela khoholeho ea mahlaseli a ultraviolet le libaka tse mongobo, kahoo e lelefatsa bophelo ba bona ba ts'ebeletso.
Lisebelisoa tse tloaelehileng: Lesela le behang mochini oa khatello ea mochini, ho daea le ho qeta lisebelisoa tse tsamaisang lesela, mochini oa khatiso oa masela oa mochini oa khatiso oa masela.
3. Indasteri ea ho lokisa litšepe: E hanana le matheba a oli le{1}maemo a phahameng a ho sebetsa
Lisebelisoa tse lumellanang: lirolara tsa rabara ea Nitrile (NBR), rabara ea fluorine (FKM)
Maikutlo a ts'ebeliso: Ha ho ntse ho etsoa lipoleiti tse batang- tse rokotsoeng le foil ea aluminium, lirolara tsa rabara li hloka ho kopana le oli e sehang, li-emulsion le lisebelisoa tse ling. Ho hanyetsa oli ha rabara ea nitrile ho ka thibela ho ruruha ha lintho, 'me ka nako e ts'oanang, e na le matla a lekaneng a ho mamella{2}}khatello e phahameng. Bakeng sa-sesebediswa sa ho sebetsa sa tshepe sa maemo a hodimo se kopanang le diphodi tse corrosive, ho hanyetsa ha dikhemikhale tsa dirolara tsa fluororubber ho netefatsa tshebetso e tsitsitseng metsweding ya ditaba e thata.
Lisebelisoa tse tloaelehileng: Lirolo tsa tšehetso bakeng sa liloala tse kolobisang tse batang tsa tšepe, meqolo ea khatello bakeng sa mechini e petsolang ea foil ea aluminium, le meqolo e tataisang bakeng sa lisebelisoa tse nepahetseng tsa setempe.
4. Indasteri ea ho lokisa lijo: Kopana le litlhoko tsa polokeho le mocheso oa ho hanyetsa mocheso
Lintho tse lumellanang: Rolara ea silicone (VMQ).
Maikutlo a ts'ebeliso: Lits'ebetsong tse joalo ka mabanta a tsamaisang lijo, calendering ea li-biscuit, le ho roala chokolete, biocompatibility ea lirolara tsa rabara tsa silicone li ka thibela tšilafalo ea lijo. -e hanyetsanoa le mocheso o phahameng{2}}ka boemo bo phahameng ba mocheso nakong ea ho sebetsa (80-150 degree), 'me karolo ea tsona e bonolo-ho hloekisa bokaholimo e lumellana le maemo a bohloeki ba lijo.
Lisebelisoa tse tloaelehileng: Lirolara tsa khatello bakeng sa mabanta a tsamaisang lijo, lirolo bakeng sa mechini e etsang libisikiti, lirolara tse tataisang bakeng sa thepa ea ho paka lipompong.
5. Sebaka sa{1}}sesebediswa sa maemo a hodimo: Ho rarolla mathata a feteletseng a tikoloho
Lisebelisoa tse lumellanang: li-rollers tsa fluororubber (FKM), li-roller tse khethehileng tsa rabara tsa silicone
Maikutlo a ts'ebeliso: Maemong a kang ts'ebetso ea likarolo tsa sepakapaka le ho fetisetsoa ha lintho ka har'a likepe tsa lik'hemik'hale, lirolara tsa fluororubber li hloka ho mamella mocheso o feteletseng (-50℃ho 250 degrees ) le lintho tse senyang haholo. Ho tsitsa ha lik'hemik'hale le ho hanyetsa mocheso o phahameng oa li-rollers tsa fluororubber ho ka finyella litlhoko tse hlokahalang. Ha ho etsoa li-semiconductor, li-roller tsa phetisetso ea li-wafer li entsoe ka rabara e khethehileng ea silicone, eo bohloeki ba eona bo phahameng le ts'ebetso ea ho kenya letsoho e ka thibelang tšilafalo ea li-wafers.
Lisebelisoa tse tloaelehileng: karolo ea sefofane sa ho sila lirolara, lisebelisoa tsa lik'hemik'hale tse tsamaisang lirolara, lirolara tsa phetisetso ea semiconductor wafer.
Iii. Melao-motheo ea Motheo le Litaelo tsa Ntlafatso bakeng sa Khetho ea Lintho
Khetho ea li-roller tsa rabara e lokela ho latela melao-motheo e meraro e meholo ea "boemo ba ho sebetsa pele, ho lumellana le ts'ebetso, le ho leka-lekanya litšenyehelo" : Ntlha ea pele, hlalosa ka ho hlaka maemo a mantlha a ho sebetsa a kang mocheso oa ts'ebetso, mokhoa oa ho ikopanya le khatello ea khatello; Ea bobeli, bapisa mocheso oa ho hanyetsa mocheso, ho lumellana ha lik'hemik'hale le thepa ea mochine oa thepa ho ea ka mekhahlelo. Qetellong, tlas'a motheo oa ho finyella litlhoko tsa ts'ebetso, litšenyehelo tsa thepa le ts'ebetso li lokela ho nkoa.
Nakong e tlang, nts'etsopele ea lisebelisoa tsa rabara e tla shebana le litsela tse peli tse kholo: e 'ngoe ke ntlafatso ea tikoloho, ho hlahisa li-substrates tsa rabara tse senyehang le li-additives tse tlase-VOC ho fokotsa tšusumetso ea tikoloho; Ea bobeli ke ho kopanya ho sebetsa. Ka phetoho ea ho kopanya (joalo ka ho kopanya rabara ea nitrile le polyvinyl chloride) kapa theknoloji ea ho roala holim'a metsi, ho kopanya mekhoa e mengata e kang "wear resistance + oil resistance + mocheso resistance" e ka finyelloa, ka ho tsoela pele ho atolosa meeli ea ts'ebeliso libakeng tse phahameng{4} tsa tlhahiso.
