Kuumba
Rubber roller molding inonyanya kunama rubber yekunamira pasimbi yesimbi, inosanganisira yekuputira nzira, extrusion nzira, nzira yekuumba, jekiseni rekumanikidza nzira uye jekiseni nzira. Parizvino, zvigadzirwa zvikuru zvepamba ndezvemakanika kana manyorero kunamira uye kuumbwa, uye nyika zhinji dzekunze dzakaona mashini otomatiki. Makuru uye epakati-saizi erubha rollers anogadzirwa neprofiling extrusion, inoenderera ichinamira kuumbwa neextruded firimu kana kuenderera kumhepo kuumbwa ne extruding tepi. Panguva imwecheteyo, mukuumbwa kwemaitiro, zvirevo, zviyero uye chimiro chechimiro zvinodzorwa otomatiki nemicrocomputer, uye mamwe anogona zvakare kuumbwa nenzira yekurudyi-angle extruder uye yakakosha-yakaumbwa extrusion.
Iyo yataurwa pamusoro apa yekuumba nzira haigone chete kuderedza kusimba kwebasa, asiwo kubvisa mabhubhu anogona. Kuti udzivirire rubber roller kubva pakuremara panguva yevulcanization uye kudzivirira kuberekwa kwemabhuru uye sponges, kunyanya yerabha roller yakaumbwa nenzira yekuputira, nzira inoshanduka yepressurization inofanira kushandiswa kunze. Kazhinji, nzvimbo yekunze yerubber roller inoputirwa uye yakakuvadzwa nezvikamu zvakawanda zvemucheka wekotoni kana jira renaironi, uye inogadziriswa uye yakamanikidzwa nesimbi yesimbi kana tambo yefiber. Kunyangwe maitiro aya atove mechan, kupfeka kunofanirwa kubviswa mushure mekuita vulcanization kuumba "cecal" maitiro, ayo anonetsa maitiro ekugadzira. Uyezve, kushandiswa kwejira rekupfekedza uye tambo yekumonera kwakanyanyisa uye kushandiswa kwakakura. waste.
Kune madiki uye madiki erabha rollers, akasiyana ekugadzira maitiro anogona kushandiswa, senge manyore patching, extrusion nesting, jekiseni pressure, jekiseni uye kudurura. Kuti uvandudze kubudirira kwekugadzira, nzira dzakawanda dzekugadzirisa ikozvino dzinoshandiswa, uye kururamisa kwakakwirira kudarika iyo yenzira isina kuumbwa. Jekiseni pressure, jekiseni rerabha rakasimba uye kudururwa kwerabha remvura dzave nzira dzakanyanya kukosha dzekugadzira.
Vulcanization
Parizvino, iyo vulcanization nzira yehombe uye yepakati-saizi rabha rollers ichiri vulcanization tank vulcanization. Kunyangwe iyo flexible pressurization mode yakashandurwa, haisati yabva pamutoro unorema wekutakura, kusimudza uye kuburutsa. Iyo vulcanization yekupisa sosi ine nzira nhatu dzekudziya: mhepo inopisa, mhepo inopisa uye mvura inopisa, uye iyo huru ichiri mhepo. Iyo rabha rollers ine zvakakosha zvinodiwa nekuda kwekusangana kwesimbi musimboti nemhute yemvura inotora isina kunanga chiutsi vulcanization, uye nguva ichawedzerwa ne1 kusvika kaviri. Inowanzo shandiswa kune rabha roller ine hollow iron cores. Kune akakosha erubha roller asingagone kuvhuvhuta netangi rinopisa, mvura inopisa dzimwe nguva inoshandiswa vulcanization, asi kurapwa kwekusvibiswa kwemvura kunoda kugadziriswa.
Kuti udzivise rubha uye musimboti wesimbi kubva pakuderedzwa nekuda kwekusiyana kwakasiyana kwekupisa conduction mutsauko pakati perubha roller neiyo rubber musimboti, iyo vulcanization inowanzo tora inononoka kupisa uye kumanikidza kuwedzera nzira, uye iyo vulcanization nguva yakawanda. yakareba kudarika nguva yevulcanization inodiwa nerabha pachayo. . Kuti uwane yunifomu vulcanization mukati nekunze, uye kuita kuti kupisa kwesimbi musimboti uye rabha zvifanane, hombe rabha roller inogara mutangi kwemaawa makumi maviri nemana kusvika makumi mana nemasere, ingangoita 30 kusvika 50 nguva yakajairika yerubha vulcanization nguva. .
Madiki uye madiki erabha roller ave kunyanya kushandurwa kuita ndiro vulcanizing press molding vulcanization, ichinyatso shandura iyo yechinyakare vulcanization nzira yerabha rollers. Mumakore achangopfuura, michina yekuumba jekiseni yakashandiswa kuisa mold uye vacuum vulcanization, uye molds inogona kuvhurwa nekuvharwa yega. Iyo dhigirii yemashini uye otomatiki yakagadziridzwa zvakanyanya, uye nguva yevulcanization ipfupi, kugona kwekugadzira kwakakwira, uye mhando yechigadzirwa yakanaka. Kunyanya kana uchishandisa jekiseni rerabha rekuumba vulcanizing muchina, iwo maviri maitiro ekuumba uye vulcanization anosanganiswa kuita imwe, uye nguva inogona kupfupikiswa kusvika kumaminetsi maviri kusvika mana, inove nzira yakakosha yekuvandudza kugadzirwa kwerabha roller.
Parizvino, rabha yemvura inomiririrwa ne polyurethane elastomer (PUR) yakakurumidza kugadzirwa mukugadzirwa kwerabha rollers, uye yakavhura nzira nyowani yezvigadzirwa uye process revolution yayo. Iyo inotora fomu yekudira kubvisa yakaoma kuumba mashandiro uye bulky vulcanization michina, kurerutsa zvakanyanya maitiro ekugadzira erabha rollers. Zvisinei, dambudziko guru nderekuti molds inofanira kushandiswa. Kune makuru erubha rollers, kunyanya kune ega ega zvigadzirwa, mutengo wekugadzira unowedzerwa zvakanyanya, izvo zvinounza matambudziko makuru mukusimudzirwa uye kushandiswa.
Kuti ugadzirise dambudziko iri, chirongwa chitsva chePUR rubber roller pasina mold kugadzira chakaonekwa mumakore achangopfuura. Inoshandisa polyoxypropylene ether polyol (TDIOL), polytetrahydrofuran ether polyol (PIMG) uye diphenylmethane diisocyanate (MDl) sezvigadzirwa. Inoita nekukasira mushure mekusanganisa uye kubvongodza, uye inodururwa zvakanyanya pane inotenderera zvishoma nezvishoma rubber roller metal core. , Inoonekwa nhanho nhanho paunenge uchidurura uye uchirapa, uye pakupedzisira rubber roller inoumbwa. Iyi nzira haina kungopfupika mukuita, yakakwira mune mechanization uye otomatiki, asi zvakare inobvisa kudiwa kweakakura mold. Inogona kugadzira rubber rollers yezvakasiyana-siyana uye hukuru pakuda, izvo zvinoderedza zvakanyanya mutengo. Yakave iyo huru yekuvandudza nzira yePUR rubber rollers.
Pamusoro pezvo, iwo ma micro-fine rubber rollers anoshandiswa mukugadzira hofisi otomatiki michina ine liquid silicone rabha ari kukurumidza kukurumidza pasirese. Iwo akakamurwa kuita mapoka maviri: kupisa kupisa (LTV) uye kamuri tembiricha kurapa (RTV). Midziyo inoshandiswa yakasiyanawo nePUR iri pamusoro, ichigadzira imwe mhando yefomu yekukanda. Pano, iyo inonyanya kukosha ndeye nzira yekudzora uye kuderedza viscosity yekomboni yerabha kuitira kuti igone kuchengetedza imwe kudzvanywa uye extrusion kumhanya.
Nguva yekutumira: Jul-07-2021
