Feem ntau cov chav tsev thiab cov chaw tsim khoom siv qhib cov roj hmab sib tov.Nws qhov tseem ceeb tshaj plaws yog tias nws muaj qhov yooj yim thiab txav tau yooj yim, thiab tshwj xeeb tshaj yog haum rau kev sib xyaw ntawm cov roj hmab sib txawv, tawv roj hmab, daim txhuam cev roj hmab, thiab lwm yam.
Thaum sib tov nrog lub zeb qhib, qhov kev txiav txim ntawm koob tshuaj yog qhov tseem ceeb tshwj xeeb.Raws li ib txwm muaj, cov roj hmab nyoos tau muab tso rau hauv qhov sib txawv ntawm ib qho kawg ntawm lub log nias, thiab qhov kev ncua deb ntawm cov yob yog tswj ntawm li 2 hli (siv lub tshuab roj hmab 14-nti ua piv txwv) thiab yob rau 5 feeb.Cov kua nplaum nyoos yog tsim rau hauv ib zaj duab xis du thiab gapless, uas yog qhwv rau pem hauv ntej cov menyuam, thiab muaj qee yam ntawm cov kua nplaum sib xyaw rau ntawm cov menyuam.Cov roj hmab khaws cia nyiaj txog li 1/4 ntawm tag nrho cov roj hmab nyoos, thiab tom qab ntawd ntxiv cov tshuaj tiv thaiv kev laus thiab cov accelerators ntxiv, thiab cov roj hmab tamped ob peb zaug.Lub hom phiaj ntawm qhov no yog ua kom cov antioxidant thiab accelerator tusyees dispersed nyob rau hauv cov kua nplaum.Nyob rau tib lub sijhawm, thawj qhov sib ntxiv ntawm cov tshuaj tiv thaiv antioxidant tuaj yeem tiv thaiv cov thermal aging phenomenon uas tshwm sim thaum kub kub sib tov roj hmab.Thiab qee cov accelerators muaj cov nyhuv plasticizing ntawm cov roj hmab sib xyaw.Tom qab ntawd zinc oxide ntxiv.Thaum ntxiv cov pa roj carbon dub, ib qho me me yuav tsum tau ntxiv thaum pib, vim qee cov roj hmab nyoos yuav tawm ntawm yob sai li sai tau thaum cov roj carbon dub ntxiv.Yog tias muaj ib qho kev qhia tawm ntawm cov yob, tsis txhob ntxiv cov pa roj carbon dub, thiab tom qab ntawd ntxiv cov pa roj carbon dub tom qab cov roj hmab qhwv ib ncig ntawm cov menyuam rov zoo dua.Muaj ntau txoj hauv kev ntxiv carbon dub.Feem ntau suav nrog: 1. Ntxiv cov pa roj carbon dub raws qhov ntev ua haujlwm ntawm cov menyuam;2. Ntxiv carbon dub rau nruab nrab ntawm cov menyuam;3. Ntxiv nws ze rau ib qho kawg ntawm baffle.Hauv kuv lub tswv yim, ob txoj hauv kev ntxiv carbon dub yog qhov zoo dua, uas yog, tsuas yog ib feem ntawm degumming raug tshem tawm ntawm cov menyuam, thiab nws tsis tuaj yeem tshem tag nrho cov menyuam.Tom qab cov roj hmab sib xyaw yog muab tshem tawm ntawm lub yob, cov pa roj carbon dub tau yooj yim nias rau hauv flakes, thiab nws tsis yooj yim rau disperse tom qab dov dua.Tshwj xeeb tshaj yog thaum kneading nyuaj roj hmab, cov sulfur yog nias rau hauv flakes, uas yog tshwj xeeb tshaj yog nyuaj rau disperse nyob rau hauv cov roj hmab.Tsis yog kev kho dua tshiab los sis nyias dhau tuaj yeem hloov qhov "pocket" daj uas muaj nyob hauv zaj duab xis.Hauv luv luv, thaum ntxiv carbon dub, ntxiv tsawg dua thiab ntau zaus.Tsis txhob noj cov teeb meem los nchuav tag nrho cov pa roj carbon dub rau ntawm cov menyuam.Thawj theem ntawm kev ntxiv cov pa roj carbon dub yog lub sijhawm ceev tshaj plaws rau "noj".Tsis txhob ntxiv softener rau lub sijhawm no.Tom qab ntxiv ib nrab ntawm cov pa roj carbon dub, ntxiv ib nrab ntawm cov softener, uas tuaj yeem ua kom "paub".Lwm ib nrab ntawm cov softener yog ntxiv nrog cov seem carbon dub.Nyob rau hauv tus txheej txheem ntawm kev ntxiv hmoov, yob nrug yuav tsum tau maj mam so kom cov embedded roj hmab nyob rau hauv ib tug tsim nyog ntau yam, yog li ntawd cov hmoov ib txwm nkag mus rau hauv cov roj hmab thiab yuav muab tov nrog roj hmab mus rau qhov siab tshaj plaws.Nyob rau theem no, nws yog nruj me ntsis txwv tsis pub txiav riam, thiaj li tsis cuam tshuam rau qhov zoo ntawm cov roj hmab compound.Nyob rau hauv cov ntaub ntawv ntawm softener ntau dhau lawm, carbon dub thiab softener tuaj yeem ntxiv rau hauv daim ntawv muab tshuaj txhuam.Stearic acid yuav tsum tsis txhob ntxiv ntxov dhau, nws yooj yim ua rau yob tawm, nws yog qhov zoo tshaj rau ntxiv nws thaum tseem muaj qee cov pa roj carbon dub hauv yob, thiab tus neeg sawv cev vulcanizing yuav tsum tau ntxiv rau tom qab theem.Qee cov neeg ua haujlwm vulcanizing kuj tau ntxiv thaum tseem muaj me ntsis carbon dub ntawm cov menyuam.Xws li vulcanizing tus neeg sawv cev DCP.Yog tias tag nrho cov pa roj carbon dub tau noj, DCP yuav raug cua sov thiab yaj rau hauv cov kua, uas yuav poob rau hauv lub tais.Nyob rau hauv txoj kev no, tus naj npawb ntawm vulcanizing tus neeg sawv cev nyob rau hauv lub compound yuav raug txo.Yog li ntawd, qhov zoo ntawm cov roj hmab compound yog cuam tshuam, thiab nws yuav ua rau undercooked vulcanization.Yog li ntawd, tus neeg sawv cev vulcanizing yuav tsum tau ntxiv rau lub sijhawm tsim nyog, nyob ntawm ntau yam.Tom qab txhua yam kev sib xyaw ua ke ntxiv, nws yog ib qho tsim nyog yuav tsum tig mus ntxiv kom cov roj hmab sib xyaw ua ke sib npaug.Feem ntau, muaj "yim riam", "daim duab peb sab hnab", "rolling", "nyias tongs" thiab lwm txoj kev tig.
"Yim riam" yog txiav riam ntawm lub kaum sab xis 45 ° raws li qhov sib npaug ntawm cov menyuam, plaub zaug ntawm txhua sab.Cov kua nplaum ntxiv yog twisted 90 ° thiab ntxiv rau cov menyuam.Lub hom phiaj yog tias cov khoom siv roj hmab yog dov rau hauv cov lus qhia ntsug thiab kab rov tav, uas yog qhov tsim nyog rau kev sib xyaw ua ke."Triangle bag" yog ib lub hnab yas uas ua rau hauv daim duab peb sab los ntawm lub zog ntawm cov menyuam."Rolling" yog txiav riam nrog ib txhais tes, dov cov khoom siv roj hmab rau hauv lub tog raj kheej nrog rau sab tes, thiab muab tso rau hauv cov menyuam.Lub hom phiaj ntawm qhov no yog ua kom cov roj hmab sib npaug sib npaug.Txawm li cas los xij, "daim duab peb sab" thiab "dov" tsis yog qhov zoo rau cov khoom siv roj hmab, uas yooj yim ua rau scorch, thiab siv zog ntau, yog li ob txoj kev no yuav tsum tsis txhob tawm tsam.Tig lub sij hawm 5 mus rau 6 feeb.
Tom qab cov roj hmab compound yog smelted, nws yog tsim nyog los nyias cov roj hmab compound.Kev xyaum tau ua pov thawj tias qhov sib xyaw ua ke nyias dhau los ua haujlwm zoo heev rau kev tawg ntawm tus neeg sawv cev compounding hauv cov compound.Txoj kev nyias-dhau yog kho cov menyuam qhov deb ntawm 0.1-0.5 hli, muab cov khoom siv roj hmab tso rau hauv cov menyuam, thiab cia nws poob rau hauv lub tais zaub mov.Tom qab nws ntog, tig cov khoom siv roj hmab los ntawm 90 ° ntawm cov menyuam sab saud.Qhov no rov ua dua 5 mus rau 6 zaug.Yog tias qhov kub ntawm cov khoom siv roj hmab siab dhau lawm, nres qhov hlais nyias, thiab tos kom cov khoom siv roj hmab kom txias ua ntej thinning los tiv thaiv cov khoom siv roj hmab los ntawm scorching.
Tom qab qhov hlais nyias tiav, so lub yob nrug mus rau 4-5 hli.Ua ntej cov khoom siv roj hmab thauj khoom mus rau hauv lub tsheb, ib qho me me ntawm cov khoom siv roj hmab raug torn tawm thiab muab tso rau hauv cov chais.Lub hom phiaj yog txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau nws, nws raug nquahu kom tshem tawm cov khoom siv roj hmab los ntawm kev ua phem rau lub zog loj thiab ua rau cov khoom puas tsuaj tom qab cov khoom siv roj hmab ntau ntau rau hauv cov menyuam.Tom qab cov khoom siv roj hmab tau ntim rau ntawm lub tsheb, nws yuav tsum dhau los ntawm qhov sib txawv ntawm qhov yob ib zaug, thiab tom qab ntawd qhwv nws rau ntawm lub yob pem hauv ntej, txuas ntxiv tig rau 2 mus rau 3 feeb, thiab tshem tawm thiab txias rau lub sijhawm.Zaj duab xis yog 80 cm ntev, 40 cm dav thiab 0.4 cm tuab.Cov txheej txheem cua txias muaj xws li kev ua kom txias thiab dej txias tank txias, nyob ntawm seb cov xwm txheej ntawm txhua chav tsev.Nyob rau tib lub sijhawm, nws yog ib qho tsim nyog kom tsis txhob muaj kev sib cuag ntawm zaj duab xis thiab av, xuab zeb thiab lwm yam av, thiaj li tsis cuam tshuam rau qhov zoo ntawm cov roj hmab compound.
Nyob rau hauv cov txheej txheem sib tov, lub yob nrug yuav tsum nruj me ntsis tswj.Qhov kub xav tau rau kev sib xyaw ntawm cov roj hmab sib txawv thiab kev sib xyaw ntawm ntau qhov sib xyaw hardness sib txawv, yog li qhov kub ntawm cov menyuam yuav tsum tau ua raws li qhov xwm txheej tshwj xeeb.
Qee cov neeg ua haujlwm sib xyaw roj hmab muaj ob lub tswv yim tsis raug: 1. Lawv xav tias lub sijhawm sib tov ntev dua, cov roj hmab zoo dua.Qhov no tsis yog qhov xwm txheej hauv kev xyaum, rau cov laj thawj tau piav qhia saum toj no.2. Nws ntseeg tau tias qhov ceev ntawm cov kua nplaum uas tau sau saum toj no cov menyuam ntxiv, qhov sib xyaw ua kom nrawm dua.Qhov tseeb, yog tias tsis muaj cov kua nplaum sib xyaw ntawm cov chais los yog cov kua nplaum sib xyaw me me dhau, cov hmoov yuav yooj yim nias rau hauv flakes thiab poob rau hauv lub tais noj.Nyob rau hauv txoj kev no, ntxiv rau kev cuam tshuam rau qhov zoo ntawm cov roj hmab sib xyaw, cov tais ntim khoom noj yuav tsum tau muab ntxuav dua, thiab cov hmoov poob yog ntxiv ntawm cov chais, uas tau rov ua dua ntau zaus, uas ua rau lub sijhawm sib xyaw ua ke thiab ua kom muaj zog ntxiv. kev siv zog.Tau kawg, yog tias cov kua nplaum nplaum ntau dhau lawm, qhov sib tov ceev ntawm cov hmoov yuav qeeb.Nws tuaj yeem pom tias ntau dhau los yog tsawg dhau ntawm cov kua nplaum yog qhov tsis zoo rau kev sib xyaw.Yog li ntawd, yuav tsum muaj qee yam ntawm cov kua nplaum sib xyaw ntawm cov chais thaum sib tov.Thaum kneading, ntawm ib sab, cov hmoov yog nyem rau hauv cov kua nplaum los ntawm qhov kev txiav txim ntawm txhua yam quab yuam.Yog li ntawd, lub sijhawm sib tov yog luv luv, kev siv zog txo qis, thiab cov roj hmab sib xyaw ua haujlwm zoo.
Lub sij hawm xa tuaj: Plaub Hlis-18-2022