Kev soj ntsuam ntawm qhov txawv txav vulcanization ntawm cov khoom siv roj hmab
Hauv qab no cov kev txawv txav nyob rau hauv cov txheej txheem vulcanization ntawm cov khoom siv roj hmab tau sau tseg thiab tshuaj xyuas.
Tsis muaj vulcanization
Tsis txaus vulcanization feem ntau tshwm sim hauv lub cev ntawm cov khoom siv roj hmab uas tsis yog raws li tus qauv, muaj cov elasticity tsis zoo, yooj yim rau deform, thiab tej zaum yuav muaj ntxhiab tsw. Muaj cov laj thawj hauv qab no rau qhov tsis muaj vulcanization:
1. Tsawg vulcanization kub: Kev tswj kub thaum lub sij hawm vulcanization yog ib qho tseem ceeb. Qhov kub qis dhau yuav ua rau cov tshuaj tiv thaiv vulcanization qeeb, tsis tuaj yeem ua tau raws li qhov xav tau ntawm qhov sib txuas sib txuas, ua rau tsis txaus vulcanization.
2. Lub sij hawm vulcanization tsis txaus: Thaum teem lub sij hawm vulcanization, yog tias cov thickness thiab cov yam ntxwv ntawm cov roj hmab tsis tau txiav txim siab, lub sij hawm luv luv yuav ua rau cov roj hmab tsis muaj vulcanize tag nrho thiab cuam tshuam rau kev ua haujlwm ntawm cov khoom tiav.
3. Formula tsim teeb meem: Tsis txaus leej faj cov ntsiab lus nyob rau hauv cov mis los yog kev faib tsis sib xws kuj tuaj yeem ua rau vulcanization tsis txaus, tshwj xeeb tshaj yog siv cov sulfur lossis catalysts tsis raug.
Ntau dhau vulcanization
Lub ntsiab manifestations ntawm ntau vulcanization yog txo elasticity thiab txo lub zog, tshwj xeeb tshaj yog nyob rau hauv dynamic kev ua tau zoo thiab qaug zog kev ua tau zoo. Cov laj thawj uas ua rau ntau dhau vulcanization yog:
1. Qhov kub ntawm vulcanization ntau dhau: Qhov kub ntawm vulcanization ntau dhau yuav ua rau cov lus teb sib txuas, ua rau cov roj hmab sib txuas ntau dhau, cuam tshuam rau cov khoom elasticity thiab lub zog.
2. Lub sij hawm vulcanization ntau dhau: Lub sij hawm ntev ntawm qhov kub thiab txias tuaj yeem ua rau cov roj hmab ntau dhau vulcanization, tshwj xeeb tshaj yog thaum siv cov vulcanizers siab heev, lub sij hawm vulcanization ntau dhau tuaj yeem ua rau cov vulcanization ntau dhau.
3. Cov vulcanizer ntau dhau: Cov ntsiab lus sulfur ntau dhau hauv cov mis yuav ua rau cov txheej txheem sulfide tsis tuaj yeem tswj tau thiab ua rau cov khoom lag luam txo qis.
Npuas thiab khoob qhov tsua
Nws yog manifested li npuas me me los yog khoob qhov nyob rau hauv cov khoom tiav. Hom kev tsis zoo no tsis tsuas yog cuam tshuam rau cov tsos ntawm cov khoom siv roj hmab, tab sis kuj txo nws cov khoom siv dag zog thiab kev sib khi ua haujlwm. Cov laj thawj rau kev tsim cov npuas thiab kab noj hniav muaj xws li:
1. Muaj impurities: Cov khoom siv roj hmab muaj cov impurities insoluble uas tuaj yeem ua npuas. Cov impurities tsis sib haum nrog cov roj hmab matrix. Nyob rau hauv tus txheej txheem ntawm vulcanization, ib qho kev sib txawv hauv zos yuav raug tsim, uas yog manifested raws li ib tug npuas.
2. Cov ntsiab lus noo noo siab: Cov khoom siv raw muaj cov dej noo ntau dhau. Thaum lub sij hawm vulcanization txheej txheem, cua sov yuav evaporate thiab tsim roj, yog li tsim ib tug npuas los yog khoob qhov.
3. Kev poob hauj lwm ntawm cov khoom xyaw: Kev faib cov khoom ntim, sulfur, lossis cov neeg ua haujlwm pabcuam hauv cov mis yog tsis sib npaug, thiab cov npuas hauv zos lossis qhov khoob yuav raug tsim thaum lub sijhawm vulcanization txheej txheem, uas yuav cuam tshuam rau qhov zoo ntawm cov khoom.
4. Kev ua haujlwm tsis raug: Kev tswj qhov kub tsis zoo, lub sijhawm sib xyaw tsis txaus, lossis ntev dhau thaum sib xyaw roj hmab, yuav ua rau muaj npuas hauv cov roj hmab.
Tsis sib xws vulcanization
Tej zaum yuav muaj cov laj thawj hauv qab no rau qhov tsis sib xws ntawm vulcanization:
1. Kev faib tawm qhov kub thiab txias: qhov kub ntawm cov vulcanization pwm los yog cov khoom siv tsis sib xws, uas ua rau cov cua kub sib txawv ntawm qhov sib txawv, thiab qhov degree ntawm vulcanization txawv.
2. Cov thickness tsis tu ncua: Lub thickness ntawm cov khoom siv roj hmab yog loj, uas yuav ua rau vulcanization tsis txaus nyob rau hauv thicker qhov chaw, thaum thinner qhov chaw yuav muaj ntau vulcanization.
3. Kev faib tawm tsis tu ncua ntawm vulcanizers: Hauv cov txheej txheem ntawm cov khoom xyaw lossis sib xyaw, kev faib tsis sib xws ntawm cov tshuaj sulfur yuav ua rau cov sulfurization sib txawv hauv cov khoom siv roj hmab sab hauv.
Nto nplaum
Nyob rau hauv cov txheej txheem ntawm vulcanization, qhov saum npoo ntawm cov khoom siv roj hmab tuaj yeem tshwm, uas ua rau cov khoom tsis zoo thiab yooj yim nqus plua plav lossis impurities. Cov laj thawj tseem ceeb rau cov khoom siv roj hmab ntawm qhov chaw yog:
1. Surly vulcanization kub: Qhov kub tsis txaus tuaj yeem ua rau tsis txaus ntawm qhov sib txuas ntawm qhov sib txuas, tsim cov khoom khov uas tsis muaj vulcanized.
2. Lub sij hawm vulcanization tsis txaus: Lub sij hawm vulcanization tsis txaus kuj tuaj yeem ua rau lub ntsej muag lo, tshwj xeeb tshaj yog rau cov khoom tuab, nws yuav tshwm sim ntau dua.
3. Kev tsiv teb tsaws ntawm vulcanizing tus neeg sawv cev: Thaum lub sij hawm cov txheej txheem sulfide, qee cov vulcanizers lossis additives yuav tsiv mus nyob rau saum npoo, ua rau cov viscosity saum npoo nce.
Crispy
Qhov tshwm sim tseem ceeb yog tias cov khoom lag luam tuaj yeem tawg lossis tsim kua muag thaum siv, uas tsis tsuas yog cuam tshuam rau cov khoom siv roj hmab, tab sis kuj cuam tshuam rau nws txoj kev nyab xeeb. Muaj ntau yam laj thawj rau brittle cracks:
1. Cov vulcanization ntau dhau: Cov vulcanization ntau dhau yuav ua rau cov roj hmab ua kom nkig, txo nws cov elasticity, thiab ua rau muaj peev xwm ua kom tawg.
2. Cov kub vulcanization ntau dhau: Qhov kub ntau dhau tuaj yeem ua rau cov roj hmab molecular saw tawg, txo nws cov tawv, thiab ua rau muaj kev pheej hmoo ntawm kev tawg.
3. Tsis muaj antioxidant: Tsis txaus cov tshuaj antioxidants ntxiv rau hauv cov mis, uas ua rau oxidation ntawm cov kab nrib pleb ua rau cov roj hmab tom qab vulcanization.
Adhesive
Qhov teeb meem ntawm adhesion tsis tsuas yog cuam tshuam rau kev tsim khoom, tab sis kuj ua rau muaj qhov tsis xws luag ntawm cov khoom siv roj hmab. Lub ntsiab yog vim li cas rau adhesion yog:
1. Cov pwm kub ntau dhau: cov roj hmab tau yooj yim adhered rau saum npoo ntawm pwm ntawm qhov kub thiab txias, ua rau muaj teeb meem ntawm cov nplaum.
2. Tus neeg sawv cev molding tsis raug: Siv cov neeg muag khoom tsis raug, lossis siv tsis txaus ntawm cov neeg ua haujlwm molding, yuav ua rau muaj peev xwm ntawm cov roj hmab adhesion.
3. Incompatientness thiab pwm: tej yam sulfur los yog additives tej zaum yuav muaj tshuaj lom neeg cov tshuaj tiv thaiv nrog cov pwm khoom, uas ua rau ib tug nplaum pwm tshwm sim.
Xim tsis sib xws
Nws yog manifested raws li cov xim nto ntawm cov khoom tiav. Cov xim tsis tau npaj txhij tsis tsuas yog cuam tshuam rau qhov pom tab sis kuj tuaj yeem cuam tshuam qhov sib txawv ntawm cov qauv sab hauv. Cov ua rau cov xim tsis sib xws muaj xws li:
1. Kev poob hauj lwm ntawm qhov kub thiab txias: nyob rau hauv qhov kub tsis sib xws thaum lub sij hawm vulcanization txheej txheem, qhov degree ntawm vulcanization ntawm qhov sib txawv yuav txawv, uas yuav cuam tshuam rau cov xim tis.
2. Cov khoom xyaw npaj txhij txog: Cov xim muab tub lim tsis sib npaug, lossis cov xim xim hauv cov mis tsis sib xws, uas yuav ua rau muaj xim sib txawv.
3. Kev tsiv teb tsaws ntawm vulcanizers: Thaum lub sij hawm txheej txheem ntawm vulcanization, sulfur los yog tej yam additives tej zaum yuav migrated rau saum npoo, ua rau cov xim sib txawv.
Hardness tsis sib xws
Lub hardness ntawm cov khoom siv roj hmab ncaj qha cuam tshuam rau nws cov kev ua tau zoo, xws li sealing qhov chaw, av qeeg txo, thiab lwm yam. Lub hardness yog uniform. Qhov ua rau ntawm qhov tsis sib xws hardness tuaj yeem suav nrog:
1. Kev poob haujlwm ntawm vulcanization: Kev poob haujlwm ntawm vulcanization tuaj yeem ua rau tsis sib xws, feem ntau tshwm sim los ntawm qhov tsis sib xws ntawm qhov kub thiab txias, lub sijhawm vulcanization, lossis vulcanizer.
2. Kev faib tawm tsis tu ncua ntawm cov muab tub lim: Cov muab tub lim tsis sib npaug thaum sib xyaw, ua rau muaj qhov sib txawv ntawm qhov sib txawv.
3. Cov qauv tsim teeb meem: Qhov tsis sib xws ntawm cov sulfur lossis cov khoom siv hauv cov mis yuav cuam tshuam ncaj qha rau cov nyhuv sulfurization thiab ua rau qhov tsis sib xws ntawm cov tawv nqaij.
Ceev ceev
Kev laus acceleration yuav ua rau cov khoom muaj teeb meem xws li brittleness thiab discoloration nyob rau hauv cov khoom nyob rau hauv ib tug luv luv lub sij hawm. Cov laj thawj rau kev laus acceleration muaj xws li:
1. Qhov kub thiab txias: Ntau qhov kub ntawm lub sijhawm vulcanization yuav nrawm rau oxidation thiab thermal aging ntawm roj hmab.
2. Tus neeg saib xyuas kev laus tsis txaus: Tsis muaj tus neeg saib xyuas kev laus txaus hauv cov mis, ua rau cov khoom lag luam sai sai tom qab vulcanization.
3. Cov av noo ib puag ncig siab: Hauv cov txheej txheem ntawm vulcanization, cov av noo ntau dhau yuav ua rau kom oxidation ceev thiab ua rau kev laus.
cov lus qhia
Muaj ntau yam txawv txav hauv cov txheej txheem ntawmvulcanization ntawm cov khoom siv roj hmab. Cov teeb meem no yuav tsis tsuas yog cuam tshuam rau cov tsos ntawm cov khoom tab sis kuj ncaj qha cuam tshuam rau lawv cov kev siv thiab kev ua neej. Txhawm rau zam qhov tshwm sim ntawm cov teeb meem saum toj no, cov kev ntsuas hauv qab no tuaj yeem ua:
1. nruj me ntsis tswj qhov tsis ntawm cov txheej txheem vulcanization: tsim nyog tswj cov txheej txheem tsis xws li kub, sijhawm, thiab siab, thiab kho raws li qhov xav tau ntawm cov khoom sib txawv.
2. Ua kom zoo rau cov qauv tsim: Xaiv cov sulfur uas tsim nyog, cov khoom ntxiv, thiab cov khoom ntxiv kom ntseeg tau tias txhua qhov sib npaug sib npaug kom tsis txhob muaj qhov tsis zoo los ntawm cov qauv tsim.
3. Siv cov khoom tsim nyog de-molding thiab cov khoom pwm: Tiv thaiv cov teeb meem ntawm cov nplaum, thaum ua kom ntseeg tau tias tus neeg sawv cev molding tsis cuam tshuam rau cov khoom lag luam.
4. Txhim kho qhov kev ntsuam xyuas zoo: raws sij hawm tshawb pom qhov txawv txav hauv cov txheej txheem ntawm vulcanization los ntawm ntau txoj kev kuaj, thiab kho cov txheej txheem tsim khoom kom ntseeg tau tias cov khoom zoo.
Los ntawm kev tshawb fawb thiab tsim nyog cov txheej txheem tswj thiab cov qauv tsim, nws tuaj yeem txo qhov txawv txav hauv cov txheej txheem vulcanization ntawm cov khoom siv roj hmab thiab txhim kho cov khoom zoo thiab kev ua haujlwm zoo.