1. Ukuhamba kwenkqubo esisiseko
Kukho iintlobo ezininzi zeemveliso zerabha, kodwa inkqubo yokuvelisa iyafana.Inkqubo esisiseko yeemveliso zerabha ezinerabha eqinileyo jikelele-irabha ekrwada njengento ekrwada ibandakanya iinkqubo ezintandathu ezisisiseko: iplastiki, ukuxuba, ikhalenda, i-extrusion, ukubumba kunye ne-vulcanization.Ngokuqinisekileyo, iinkqubo ezisisiseko ezifana nokulungiswa kwempahla ekrwada, ukugqitywa kwemveliso egqityiweyo, ukuhlolwa kunye nokupakishwa nazo ziyimfuneko.Itekhnoloji yokucubungula irabha ikakhulu ukusombulula ukuchasana phakathi kweplastiki kunye neempawu ezilastiki.Ngeendlela ezahlukeneyo zetekhnoloji, irabha elastiki ijikwa ibe yirabha ekhutshiweyo yeplastiki, emva koko i-agent edibeneyo yokudibanisa yongezwa ukwenza iimveliso ezigqityiweyo, kwaye emva koko iimveliso zeplastiki ezigqityiweyo ziguqulwa zibe yimveliso yerabha ene-elasticity ephezulu kunye nomzimba olungileyo kunye noomatshini. iipropati ngokusebenzisa vulcanization.
2. Ukulungiselela imathiriyeli ekrwada
Eyona nto iphambili yeemveliso zerabha yirabha ekrwada njengeyona nto isisiseko, kwaye irabha ekrwada iqokelelwa ngokusika amaxolo emithi yerabha ekhuliswe kwiindawo ezishushu kunye ne-subtropics.
Ii-agent ezahlukeneyo zokudibanisa zizinto ezincedisayo ezongeziweyo ukuphucula ezinye iimpawu zeemveliso zerabha.
Imathiriyeli yefayibha (umqhaphu, ihempe, uboya kunye neentsinga ezahlukeneyo ezenziwe ngabantu, iintsinga zokwenziwa kunye nemathiriyeli yentsimbi, iingcingo zentsimbi) zisetyenziswa njengezixhobo zamathambo kwiimveliso zerabha ukomeleza amandla oomatshini kunye nokunciphisa ukonakala kwemveliso.Kwinkqubo yokulungiswa kwezinto eziluhlaza, izithako kufuneka zilinganiswe ngokuchanekileyo ngokwefomula.Ukuze irabha ekrwada kunye ne-agent edibeneyo ixutywe ngokulinganayo enye kwenye, izinto eziphathekayo kufuneka ziqhutywe.Irabha ekrwada kufuneka ithambe kwindawo yokomisa kwi-60-70 ℃, kwaye emva koko usikwe kwaye uqhekezwe ube ngamaqhekeza amancinci.I-agent edibanisayo ineqhuma.Enjengeparafini, iasidi ye-stearic, i-rosin, njl. ukuba icunyuzwe.Ukuba i-powder iqulethe ukungcola komatshini okanye i-particle coarse, kufuneka ihlolwe ukuze isuse izinto ezimanzi ezifana ne-pine tar kunye ne-coumarone, efuna ukufudumeza, ukunyibilika, ukukhupha, kunye nokuhluzwa.Ukubunjwa kwe-Bubble ngexesha le-vulcanization efanayo ichaphazela umgangatho wemveliso.
3. Ukwenza iplastiki
Irabha ekrwada i-elastic kwaye ayinayo iplastikhi eyimfuneko ekusetyenzweni kwayo, ngoko akulula ukuyiqhuba.Ukuze kuphuculwe iplastiki yayo, kuyimfuneko ukuyihlambulula irabha ekrwada, ukwenzela ukuba i-agent edibeneyo ibe lula kwaye ihlakazeke ngokufanayo kwirabha ekrwada ngexesha lokuxuba, kwaye kwangaxeshanye, kukwaluncedo ekuphuculeni ukunyanzeliswa kombane. irabha kwaye ingene kwilaphu lefiber ngexesha le-calendering kunye nenkqubo yokwenza.kunye nokubumba ubumanzi.Inkqubo yokuthoba isidima seemolekyuli ezinde zerabha ekrwada ukwenza iplastiki ibizwa ngokuba yimastication.Zimbini iindlela zokwenza iplastiki yerabha ekrwada: iplastiki ngoomatshini kunye neplastiki eshushu.I-Mechanical mastication yinkqubo apho iimolekyuli zerubha ezinde zichithwa kwaye zifutshane ukusuka kwi-elastic state ephezulu ukuya kwi-plastic state by extrusion mechanical kunye ne-friction ye-plasticizer kwiqondo lokushisa eliphantsi.Iplastiki eshushu kukudlulisa umoya oshushu oxinanisiweyo kwirabha ekrwada phantsi kwesenzo sobushushu kunye neoksijini ukuthomalalisa iimolekyuli zamatsheyini amade kwaye zifinyeze ukuze zifumane iplastiki.
4.Ukuxuba
Ukuze ulungelelanise iimeko ezahlukeneyo zokusetyenziswa, ufumane iipropati ezahlukeneyo, kwaye ukwenzela ukuba kuphuculwe ukusebenza kweemveliso zerabha kunye nokunciphisa iindleko, i-agent edibeneyo yokudibanisa kufuneka yongezwe kwi-rubber eluhlaza.Ukuxuba yinkqubo apho i-rubber ye-masticated ixutywe kunye ne-agent edibeneyo, kwaye i-agent edibeneyo ixutywe ngokupheleleyo kwaye ihlakazwe ngokufanayo kwi-rubber eluhlaza ngokuxuba ngomatshini kumatshini wokuxuba i-rubber.Ukuxuba kuyinkqubo ebalulekileyo kwinkqubo yokuvelisa iimveliso zerabha.Ukuba ukuxuba akufani, umphumo we-rubber kunye ne-agent edibeneyo ayikwazi ukusetyenziswa ngokupheleleyo, echaphazela ukusebenza kwemveliso.Izinto zerabha ezifunyenwe emva kokuxuba zibizwa ngokuba yi-rubber edibeneyo.Yimathiriyeli egqityiweyo yokwenziwa kweemveliso ezahlukeneyo zerabha, ezaziwa ngokuba yirubha, edla ngokuthengiswa njengempahla yorhwebo.Abathengi banokusebenzisa imathiriyeli yerabha ukuyicwangcisa ngokuthe ngqo, ukuyibumba kwaye bayifake kwimveliso yerabha efunekayo..Ngokweendlela ezahlukeneyo zokuqulunqa, kukho uluhlu lwamabakala ahlukeneyo kunye neentlobo ezineempawu ezahlukeneyo zokukhetha.
5.Ukubumba
Kwinkqubo yokuvelisa iimveliso zerabha, inkqubo yokwenza kwangaphambili imilo eyahlukeneyo kunye nobukhulu ngamakhalenda okanye i-extruders ibizwa ngokuba yi-molding.
6.Ukuqhawuka
Inkqubo yokuguqula irabha yeplastiki ibe yirabha elastiki ibizwa ngokuba yivulcanization.Kukongeza inani elithile le-agent ye-vulcanizing njengesulfure, i-vulcanization accelerator, njl njl. Iimolekyuli ezinqamlekileyo zerubha ekrwada zidibanisa enye kwenye ukuze zenze i-dimensional network structure ngokusebenzisa "iibhulorho zesulfure", ukuze ikhompawundi yerabha yeplastiki ibe yi-elastic vulcanisate.
Ixesha lokuposa: Mar-29-2022
