Cov khoom siv roj hmab txheem yog pheej yig thiab feem ntau tau txais txoj haujlwm tiav. Txawm li cas los xij, cov tsheb niaj hnub tau thawb cov kev txwv ntawm kev tsim thiab suav nrog cov khoom thiab cov yam ntxwv uas tsis tau siv ua ntej. Cov qauv tsim tshiab no tseem xav tau cov khoom siv roj hmab, tab sis kev tsim ib ncig ntawm cov khoom uas twb muaj lawm tsis zoo tagnrho.
Kev cai-moulded roj hmab qhov chaw muab cov neeg tsim tsheb thiab cov chaw tsim khoom yooj yim dua. Lawv kuj haum thiab ua tau zoo dua vim tias lawv raug kho raws li lawv cov kev siv tshwj xeeb.
Kab lus no tshawb txog cov txiaj ntsig ntawm kev xaiv cov khoom siv roj hmab rau cov tsheb. Peb yuav piav qhia vim li cas koj yuav tsum xav txog cov khoom no, cov khoom siv roj hmab koj tuaj yeem xaiv los ntawm, thiab lwm yam. Peb tseem yuav piav qhia txog cov xwm txheej uas tau txiav txim siab thaum tsim cov khoom no kom tau txais txiaj ntsig zoo tshaj plaws.
Vim li cas Custom Moulded Rubber Parts?
Kev cai-molded roj hmab qhov chaw raug nqi ntau tshaj li tus qauv, tawm ntawm lub txee. Txawm li cas los xij, qhov sib txawv ntawm tus nqi no yog ib qho yooj yim kom pom tseeb.
1. Tsim Flexibility
Kev cai-moulded Cheebtsam tso cai rau koj kom ua tiav cov peev txheej ntawm koj cov qauv tsim. Thaum koj tsuas tuaj yeem siv cov qauv txheem, koj yuav tsum tau ua kev txi rau hauv daim ntawv lossis kev ua haujlwm ntawm koj qhov chaw. Qhov no tuaj yeem ua rau cov txiaj ntsig tsis txaus siab rau koj lossis cov neeg siv kawg.
Kev cai qhov chaw tshem tawm cov kev txwv no, tso cai rau koj thawb cov ciam teb ntawm koj cov qauv tsim. Qhov no ua haujlwm zoo rau qhov tshiab nrog ntau dua complexities los yog txhob txwm cov ntaub ntawv txawv txawv.
1. Tsim Flexibility
Kev cai-moulded Cheebtsam tso cai rau koj kom ua tiav cov peev txheej ntawm koj cov qauv tsim. Thaum koj tsuas tuaj yeem siv cov qauv txheem, koj yuav tsum tau ua kev txi rau hauv daim ntawv lossis kev ua haujlwm ntawm koj qhov chaw. Qhov no tuaj yeem ua rau cov txiaj ntsig tsis txaus siab rau koj lossis cov neeg siv kawg.
Kev cai qhov chaw tshem tawm cov kev txwv no, tso cai rau koj thawb cov ciam teb ntawm koj cov qauv tsim. Qhov no ua haujlwm zoo rau qhov tshiab nrog ntau dua complexities los yog txhob txwm cov ntaub ntawv txawv txawv.
2. Kev ua tau zoo dua
Ib qho qauv roj hmab yuav tsis haum raws li kev cai. Qhov tshwm sim yuav yog kev ua haujlwm tsis zoo uas tuaj yeem txhais tau ntau lub suab nrov, cov dej ntws tawm, thiab lwm yam teeb meem.
Cov khoom siv kev cai yuav ua tau zoo vim yog txoj hauv kev tsom mus rau lawv tus qauv tsim.
3. Kev zoo nkauj zoo nkauj
Zoo ib yam li kev ua tau zoo, cov khoom siv kev cai yuav ua kom zoo nkauj zoo nkauj. Kev tsim thiab kev txiav txim siab tsim khoom tuaj yeem ua tiav kom ua tiav cov khoom lag luam kev cai uas pom pom nyob rau hauv kev sib txuas nrog lwm tus tsim.
4. Kev Txhim Kho Ib Ntu yog pheej yig dua thiab nrawm dua niaj hnub no
Kev nce qib hauv kev siv computer-pab tsim, 3D luam ntawv, thiab lwm yam kev tsim khoom tau ua rau kev txhim kho tsis tshua muaj nqi thiab siv sijhawm ntev.
Niaj hnub nimno CAD software ua kom yooj yim los nrog cov qauv tsim suab. Prototypes ceev tuaj yeem ua tau siv 3D luam ntawv rau kev sim ntxov. Cov no thiab lwm yam kev tsim kho tau txo cov nqi tsim khoom ntawm cov khoom siv roj hmab.
5. Txo cov nqi mus sij hawm ntev
Ib qho khoom siv roj hmab tsis zoo hauv lub tsheb tuaj yeem kim rau ob tus tswv tsheb thiab cov neeg tsim khoom. Nws tsis yog qhov tsis yooj yim rau cov tuam txhab tsim tawm cov nqi rov qab vim tias muaj qhov tsis zoo uas ua rau muaj kev phom sij rau lub neej. Cov khoom zoo li no tuaj yeem ua rau muaj kev puas tsuaj kim. Kev cai-moulded qhov chaw uas ua kom haum tuaj yeem pab kom tsis txhob muaj xwm txheej zoo li no.
Cov khoom siv roj hmab siv
Cov neeg tsim khoom tuaj yeem ua cov khoom siv roj hmab los ntawm ntau yam khoom siv roj hmab. Qee qhov kev xaiv tau piav qhia hauv qab no.
Ntuj roj hmab
Cov roj hmab ntuj yog muab rho tawm los ntawm cov nroj tsuag, feem ntau yog Para roj hmab ntoo. Qhov no yog thawj daim ntawv ntawm roj hmab thiab tseem siv niaj hnub no. Nws tuaj yeem siv rau kev poob siab, txo kev vibration, thiab tubing. Nws kuj tseem siv tau rau cov hlua khi rau lub zog xa hluav taws xob, roj hmab ntsaws ruaj ruaj, thiab hloov tau yooj yim couplings.
Cov roj hmab ntuj yog outperformed los ntawm hluavtaws roj hmab nyob rau hauv ntau yam kev siv, piv txwv li, nyob rau hauv high-temperature daim ntaub ntawv. Nws kuj yog qhov yooj yim rau cov kua roj av.
Neoprene
Neoprene tseem hu ua polychloroprene thiab tau tsim los ntawm DuPont hauv xyoo 1930. Nws tiv taus kev degradation dua li cov roj hmab ntuj.
Cov khoom siv roj hmab no yog siv rau gaskets, tswj suab nrov, padding, thiab hluav taws xob rwb thaiv tsev. Nws kuj tseem siv los ua tsheb kiv cua siv.
Silicone Roj Hmab
Silicone roj hmab yog tsim los ntawm silicone polymer. Muaj ntau cov formulations ntawm no elastomer nyob ntawm seb lub hom phiaj daim ntawv thov. Silicone roj hmab tuaj yeem siv rau hauv qhov kub thiab txias li 300 degree lossis qis dua li -55 degree .
Kev siv cov roj hmab silicone suav nrog kev tsim cov o-rings thiab hluav taws xob rwb thaiv tsev. Hauv kev lag luam tsheb, cov khoom siv no yog siv rau cov khoom siv hluav taws xob, grommets, airbags, vibration dampers, thiab lwm yam kev sib khi.
Viton
Viton yog lwm elastomer tsim los ntawm DuPont. Cov roj hmab no yog hu ua FKMs thiab paub txog lawv cov cua sov thiab tshuaj tiv thaiv uas npog cov pa oxygenated fuels, lubricants, roj, thiab ntau cov ntxhia acids.
Viton tau siv los ua O-rings thiab roj hmab foob rau roj injectors, hoses, gaskets, thiab cable rwb thaiv tsev.
EPDM
EPDM roj hmab tau tsim nyob rau hauv 60s. Nws yog tsim los siv ethylene, propylene, thiab diene thiab paub txog nws tiv thaiv tshav ntuj. Nws kuj ua tau zoo tiv thaiv tshav kub, chav, thiab ozone thiab muaj tshuaj tiv thaiv zoo tiv thaiv ketones, alkalis, thiab hydraulic kua.
EPDM feem ntau yog siv los ua cov ntsaws ruaj ruaj rau lub qhov rooj tsheb thiab qhov rais. Nws kuj tseem siv tau rau wiper hniav, hauv qab, grommets, hlua hlua, hoses hauv qhov cua txias, thiab lwm yam.
NBR
Nitrile roj hmab yog tsim los ntawm butadiene thiab acrylonitrile thiab tiv taus roj, roj, thiab acids dua li cov roj hmab ntuj. Cov khoom no tau tsim nyob rau xyoo 1931 thiab kev tsim khoom lag luam pib hauv lub teb chaws Yelemees.
Hauv kev lag luam tsheb, qhov elastomer no yog qhov kev xaiv zoo rau cov ntsaws ruaj ruaj, roj hoses, grommets, thiab roj tshuab. Nws kuj muaj nyob rau hauv lub ncua kev kawm ntawv ntawm ib co kev sib tw tsheb.
Common Custom Moulded Rubber Parts in Automobiles
Hom roj hmab qhov chaw uas tuaj yeem ua kev cai-pwm tsuas yog txwv los ntawm kev xav. Hauv tsheb, cov khoom no feem ntau suav nrog:
Cov ntsaws ruaj ruaj:Cov ntsaws ruaj ruaj yog siv los khaws cov kua dej sab hauv lossis sab nraud. Cov ntsaws ruaj ruaj tuaj yeem pom nyob rau hauv lub tshuab hluav taws xob, cov roj siv hluav taws xob, lub tshuab tso pa, ib puag ncig cov cuab yeej, thiab lwm yam. Gaskets thiab O-rings yog cov piv txwv ntawm cov ntsaws ruaj ruaj siv hauv tsheb.
Grommets:Cov no yog cov nplhaib tso rau hauv lub qhov los tiv thaiv cov cables lossis lwm yam uas yuav khiav hauv lub qhov los ntawm kev puas tsuaj.
Tubing:Tubing thiab hoses channel kua thiab gases ntawm cov khoom.
Bushings:Cov no yog siv los nqus cov vibrations. Lawv tuaj yeem raug xa mus rau kev tiv thaiv kev tiv thaiv mounting.
Suction khob:Cov no tuaj yeem siv los ua kom ruaj ntseg yam tsis muaj cov fasteners lossis cov nplaum.
Caps:Siv los npog qhov qhib xws li qhib saum thiab qhov kawg ntawm cov hlab.
Hauv qab:Cov khoom siv pneumatic deformable uas zoo li accordions. Lawv tau ntim nrog thiab muaj huab cua mus txog qee qhov kev ntxhov siab ua ntej tso nws.
Kev tsim cov txheej txheem rau Custom Rubber Parts
Kev cai roj hmab molding kev pabcuam tuaj nrog cov txheej txheem sib txawv. Kev xaiv ntawm cov txheej txheem yog txiav txim siab los ntawm qhov nyuaj ntawm cov yam ntxwv, qhov loj thiab geometry ntawm ib feem, thiab lwm yam.
Txhaj Molding
Kev txhaj tshuaj molding yog txheej txheem uas cov roj hmab molten lossis kua roj hmab ua ntej raug txhaj rau hauv cov pwm kaw los ua ib feem. Cov khoom siv ua kua lossis cov roj hmab molten yog txhaj ntawm lub siab. Lub siab thiab cua sov ua rau ib feem mus rau kev kho los yog vulcanization ua ntej ejected.
Cov txheej txheem no yog ib qho ntawm cov khoom siv roj hmab kim tshaj plaws tab sis yog qhov zoo tshaj plaws rau kev tsim khoom loj ntawm cov khoom tshwj xeeb tshaj yog cov uas muaj cov duab geometry.
Compression Moulding
Hauv cov txheej txheem tsim khoom no, cov khoom siv roj hmab deformable tau muab tso rau hauv ib nrab ntawm cov pwm qhib ua ntej lwm ib nrab raug kaw rau saum nws. Cov khoom yog tuav hauv pwm nyob rau hauv siab kom txog thaum nws kho.
Compression molding yog pheej yig dua li kev txhaj tshuaj molding thaum koj xav tau cov khoom loj nrog cov geometry yooj yim. Koj tuaj yeem muaj ntau qhov kab noj hniav hauv pwm los ua ntau qhov hauv txhua lub voj voog.
Hloov Molding
Hloov molding muaj qhov zoo sib xws rau kev txhaj tshuaj thiab compression molding. Ib qho tshwj xeeb kom muaj nuj nqis yog npaj thiab muab tso rau hauv ib lub chamber rau saum lub pwm kaw. Lub plunger ces kaw rau ntawm lub chamber thiab quab yuam cov khoom mus rau hauv pwm ntawm ib tug channel.
Cov khoom yog khaws cia nyob rau hauv siab nyob rau hauv lub pwm uas tsuas yog qhib tom qab ib feem tau kho. Cov txheej txheem hloov roj hmab molding nta yooj yim dua li kev txhaj tshuaj molding. Nws yog qhov zoo rau cov khoom siv me me thiab feem ntau molds roj hmab ib ncig ntawm cov hlau.
Extrusion
Extrusion suav nrog kev yuam cov khoom siv los ntawm kev tuag los tsim cov khoom nrog qhov sib npaug sib npaug. Ib tug tuag yog ib lub cuab tam nrog tus ntoo khaub lig-section profile txiav rau hauv nws. Cov txheej txheem no tsim cov khib nyiab me me uas ua rau cov nqi qis dua.
Extrusion tuaj yeem tsim cov khoom siv roj hmab molded nrog yooj yim cross-section xws li tubing los yog complex cross-section xws li lub qhov rooj ntsaws ruaj ruaj. Extruded qhov chaw tuaj yeem txiav mus rau qhov ntev sib txawv nyob ntawm daim ntawv thov.
Yam yuav tsum tau xav txog thaum tsim kev cai Moulded Rubber Parts
Tsim ib qho kev cai-molded roj hmab tivthaiv yog ib qho tseem ceeb peev. Txhawm rau kom ntseeg tau tias qhov kev nqis peev no tau siv tau zoo, muaj cov ntsiab lus tseem ceeb uas koj yuav tsum xav txog xws li:
Ntu Geometry:Ib feem geometry yuav cuam tshuam rau cov txheej txheem tsim, xaiv cov khoom siv, thiab kev tsim cov txheej txheem xaiv. Qee qhov geometry tsuas tuaj yeem ua tiav kev lag luam siv qee cov txheej txheem thiab cov ntaub ntawv thiab tuaj yeem nyuaj rau kev tsim.
Kev xaiv khoom siv:Kev xaiv cov khoom siv yog txheej txheem tseem ceeb vim tias tsis yog txhua yam khoom siv roj hmab ua tau zoo hauv qee qhov chaw tsheb. Koj yuav tsum tau xav txog qhov kub thiab txias thiab cov tshuaj muaj nyob rau qhov twg qhov yuav raug teeb tsa.
Tolerances:Qee qhov khoom siv roj hmab yuav tsum tau molded nrog nruj heev kom ua tiav daim ntawv xav tau thiab ua haujlwm. Txawm li cas los xij, qhov no nce qhov kev tsim khoom nyuaj thiab nqi. Yog li ntawd, yuav tsum muaj qhov sib npaug kom khaws cov nqi hauv qee qhov kev txwv.
Npaj kom muaj nuj nqis:Qhov no txiav txim siab txog qhov zoo tshaj plaws roj hmab molding txoj kev. Txhaj roj hmab molding muaj tus nqi siab tab sis feem ntau yog cov nqi tsim nyog tshaj plaws rau kev tsim khoom loj. Compression molding thiab hloov molding yog qhov zoo dua rau cov khoom me me.
Kev txawj ntse:Kev tsim thiab tsim kev txawj ntse ntawm koj cov chaw tsim khoom tuaj yeem txuag koj lub sijhawm thiab nyiaj txiag ntau.Cov kws tshaj lij kev lag luam yuav qhia rau koj tias qhov kev tsim qauv twg tuaj yeem ua tiav, qhov kev hloov pauv yuav tsum tau ua, thiab cov txheej txheem thiab cov khoom siv ua haujlwm zoo tshaj plaws rau koj qhov xwm txheej.Qhov no yuav cawm koj cov teeb meem ntawm kev kawm los ntawm kev sim ua tsis tiav.
Kev Tswj Xyuas Zoo thiab Kev Xeem
Kev cai-moulded qhov chaw yuav tsum raug kuaj sib txawv kom ntseeg tau tias lawv yuav ua tau raws li qhov xav tau. Cov ntaub ntawv yuav coj tus cwj pwm tsis zoo thaum raug rau qee yam xwm txheej. Kev tswj xyuas zoo kuj ua kom paub tseeb tias cov khoom zoo tseem zoo ib yam ntawm cov khoom sib txawv.
1. Kev tshuaj xyuas cov khoom
Cov ntaub ntawv siv rau kev cai molding cov khoom siv roj hmab yuav tsum raug kuaj xyuas ua ntej ntau lawm. Cov khoom siv nrog tib lub npe tuaj yeem muaj cov khoom sib txawv uas cuam tshuam rau cov khoom zoo. Qhov no tuaj yeem yog vim kev deev luag poj luag txiv, sib txawv ntawm kev tsim, ib puag ncig raug, thiab lwm yam.
Kev tshuaj xyuas cov khoom yuav suav nrog ntau theem ntawm kev tsom xam pom, thiab kuaj lub cev lossis tshuaj lom neeg.
2. Kev soj ntsuam hauv txheej txheem
Qhov sib txawv me me hauv cov txheej txheem tsis tuaj yeem ua rau muaj qhov sib txawv loj hauv cov khoom lag luam. Tshawb nrhiav cov teeb meem no tom qab kev tsim khoom nce nqi ntau lawm.
Cov txheej txheem tsim khoom yuav tsum muaj cov txheej txheem rau kev soj ntsuam qhov pom thiab kuaj qhov ntev. Cov txheej txheem tsis xws li kub thiab siab yuav tsum tau saib xyuas kom zoo.
3. Tom qab kev tsim khoom
Cov no yuav yog cov txheej txheem kev ntsuam xyuas zoo tshaj plaws vim tias lawv tau ua tiav ntawm cov khoom tiav. Yuav tsum muaj cov qauv tsim ua ntej qhov kev sim ua tiav los xyuas kom meej qhov kev ntsuam xyuas raug ua tiav los kwv yees qhov kev ua tau zoo ntawm cov khoom siv roj hmab hauv lub neej tiag tiag.
Kev sim ua rau cov khoom siv roj hmab kev cai muaj xws li:
Compression set:Txhawm rau txiav txim siab npaum li cas cov khoom tuaj yeem rov qab tau tom qab deformation.
Hardness:Qee daim ntawv thov xav tau cov ntaub ntawv nyuaj thaum lwm tus tsis.
Rubber aging tests:Cov no yog siv los kwv yees seb cov khoom coj li cas nyob rau lub sijhawm thiab ntev npaum li cas nws tuaj yeem ua haujlwm tau zoo.
Tensile zog:Txiav txim siab ntau npaum li cas rub lub zog yuav tsum tau ua kom deform qhov chaw mus tas li.
Ib lub chaw tsim khoom zoo yuav nkag mus rau cov tshuab uas xav tau los ua cov kev sim no.
Xaus
Kev cai molded cov khoom siv roj hmab tuaj yeem coj koj lub tsheb tsim mus rau qib tshiab. Kev cai molding muab rau koj qhov chaw uas saib thiab ua tau zoo dua thiab cov txheej txheem tsis tshua kim dua nws ib zaug. Koj tseem tuaj yeem nkag mus rau ntau yam khoom siv roj hmab niaj hnub no.
Muaj cov txheej txheem tsim khoom sib txawv, suav nrog kev txhaj tshuaj thiab hloov molding, tab sis qee yam xws li ib feem geometry yuav txiav txim siab cov kev txiav txim siab no. Thaum kawg, kev tswj xyuas zoo thiab kev ntsuas yuav tsum tsis txhob raug ignored thaum tsim cov khoom siv roj hmab kev cai.