Rubber profiles, raws li cov ntaub ntawv polymer dav siv hauv kev lag luam thiab kev siv pej xeem, muaj kev ua tau zoo thiab zoo uas cuam tshuam ncaj qha rau cov khoom siv kev ntseeg siab, kev nyab xeeb ntawm cov qauv, thiab lub neej ntev ntawm cov khoom kawg. Txhawm rau kom muaj kev ua haujlwm, ua haujlwm ntev, thiab kev nyab xeeb ntawm cov roj hmab profile hauv ntau qhov kev thov, cov txheej txheem kev qhia tshwj xeeb thiab cov kev xeem yuav tsum tau tsim muaj thoob ntiaj teb. Kab lus no yuav piav qhia txog lub hauv paus ntsiab lus thiab cov txiaj ntsig zoo ntawm cov qauv siv roj hmab profile los ntawm kev pom ntawm kev siv cov qauv kev faib tawm, cov cim tseem ceeb, cov qauv kev sim, thiab kev siv hauv kev lag luam.
Classification thiab Scope of Application of Rubber Profile Implementation Standards
Cov qauv siv rau cov roj hmab profile feem ntau yog categorized raws li cov khoom siv, ib puag ncig siv, thiab kev ua haujlwm. Lawv tuaj yeem muab faib ua plaub theem: cov qauv thoob ntiaj teb, cov qauv hauv tebchaws, cov qauv kev lag luam, thiab cov qauv kev lag luam. Thoob ntiaj teb, ntau cov qauv luam tawm los ntawm International Organization for Standardization (ISO), xws li ISO 3601, Roj Hmab Seals rau Fluid Systems, thiab ISO 815, Roj Hmab Compression Set Test Methods, muab cov txheej txheem kev cob qhia rau cov khoom siv roj hmab thoob ntiaj teb. Cov qauv hauv cheeb tsam, xws li EU's EN cov qauv (xws li EN 549, nplaim taws-Resistant Rubber Parts for Gas Equipment) thiab US's ASTM cov qauv (xws li ASTM D2000, Kev faib tawm ntawm Cov Khoom Siv Roj Hmab rau Kev Siv Tsheb), kho cov kev ua haujlwm kom tau raws li cov kev xav tau ntawm kev lag luam tshwj xeeb.
Nyob rau hauv lub teb chaws, Tuam Tshoj tus tam sim no cov qauv roj hmab profile yog dominated los ntawm GB (lub teb chaws tus qauv) thiab HG (chemical kev lag luam tus qauv). Piv txwv li, GB/T 5574-2008 "Industrial Rubber Sheet" qhia txog cov thickness kam rau ua, hardness range, thiab cov cuab yeej cuab tam rau cov khoom siv roj hmab dav dav; GB / T 13477-2002 "Kev Ntsuas Cov Txheej Txheem rau Cov Khoom Siv Hauv Tsev" tsim cov txheej txheem kev sim tshwj xeeb rau lub zog tensile, lub zog tsim kua muag, thiab kev laus ua haujlwm ntawm lub tsev roj hmab sealing strips; thiab HG / T 3099-2011 "Industrial Rubber Sheet," rau kev lag luam chemical, ntxiv cov txheej txheem tsim thiab kev ua tau zoo rau cov roj hmab profiles raws li kev ua haujlwm sib txawv (xws li roj tsis kam, acid thiab alkali tsis kam). Tsis tas li ntawd, rau cov haujlwm tshwj xeeb (xws li kev tsheb nqaj hlau thauj mus los thiab aerospace), kev lag luam yuav tsim kev lag luam nruj dua lossis cov qauv ua pab pawg kom ua tau raws li qhov yuav tsum tau muaj kev ntseeg siab hauv qhov chaw huab cua.
Core Technical Indicators ntawm Rubber Profile Implementation Standards
Kev ntsuas kev ua tau zoo ntawm cov roj hmab cov ntaub ntawv yuav tsum muaj ntau yam - qhov ntsuas qhov tseem ceeb, uas ncaj qha txiav txim siab lawv qhov tsim nyog rau kev siv tswv yim. Physical thiab Mechanical Properties
Lub cev thiab cov khoom siv kho tshuab yog cov cim tseem ceeb ntawm cov roj hmab cov ntaub ntawv, suav nrog hardness (Shore A hardness feem ntau yog li ntawm 40-}90), tensile zog (feem ntau ntau dua los yog sib npaug rau 5 MPa, nrog siab -cov khoom ua tau zoo tshaj 20 MPa), elongation ntawm kev tawg (Ntau dua 0% tshaj 0,0% roj hmab txheem rau 20% siab - elastic cov ntaub ntawv), thiab compression set (tsawg dua los yog sib npaug li 20% rau siab -cov khoom zoo ntawm 70℃rau 24 teev). Piv txwv li, GB/T 12828-2006, "Rubber Parts for High-Elasticity Rubber Couplings," qhia tias cov roj hmab cov ntaub ntawv siv hauv kev sib kis yuav tsum muaj lub zog tensile ntau dua lossis sib npaug li 15 MPa thiab cov txheej txheem compression tsawg dua lossis sib npaug li 15% kom ntseeg tau tias kev sib kis tau ntev.
Environmental Resistance
Roj hmab cov ntaub ntawv feem ntau raug cuam tshuam rau ib puag ncig nyuaj xws li kub thiab qis, roj, ozone, thiab UV rays, ua rau ib puag ncig tiv thaiv yog qhov tseem ceeb ntawm kev ntsuas. Thaum tshav kub kub tsis kam yog ntsuas los ntawm kev ntsuas huab cua kub (xws li, tensile lub zog tuav ntau dua lossis sib npaug li 80% tom qab 72 teev ntawm 70 degree); Kev tiv thaiv txias yog ntsuas los ntawm qhov kub thiab txias (tsis tawg ntawm -40 degree); roj kuj raug soj ntsuam raws li GB/T 1690-2010, "Test Methods for Resistance of Vulcanized or Thermoplastic Rubber to Liquids," los ntawm kev ntsuam xyuas lub ntim expansion hauv hydraulic thiab lubricating roj (feem ntau tswj kom tsawg dua los yog sib npaug li 20%). Ozone kuj raug txheeb xyuas los ntawm ozone aging chamber test (tsis muaj qhov tawg tom qab 50 teev ntawm 50 pphm, 40 degree, thiab 20% nro).
Functional Indicators
Rau cov ntawv thov tshwj xeeb, cov roj hmab profiles yuav tsum tau ua raws li cov kev cai tshwj xeeb. Piv txwv li, sealing profiles yuav tsum tau saib xyuas tshwj xeeb rau compression rebound (Ntau dua los yog sib npaug rau 60% los xyuas kom meej seal durability) thiab nto roughness (Ra tsawg dua los yog sib npaug rau 3.2μm los txhim kho adhesion); conductive roj hmab yuav tsum tau tswj lub ntim resistivity (tsawg dua los yog sib npaug rau 10³Ω·cm kom tshem tawm hluav taws xob zoo li qub); thiab nplaim taws- cov roj hmab retardant yuav tsum xeem dhau UL 94 lossis GB/T 10707-2008 (ua tiav qhov ntsuas hluav taws xob V-0).
Kev Ntsuas Cov Txheej Txheem thiab Kev Tswj Xyuas Zoo rau Rubber Profiles
Txhawm rau kom ntseeg tau tias cov ntaub ntawv roj hmab ua tau raws li cov qauv, cov txheej txheem kev sim thiab cov cuab yeej tshwj xeeb yuav tsum tau ua. Kev ntsuam xyuas niaj hnub muaj xws li:
•Dimensional Accuracy: Thickness, width, and shape deviation is measured by vernier calipers and micrometers (xws li GB/T 5723-2018 stipulates thickness tolerance of<=± 0.5mm for rubber sheets);
•Mechanical Properties: Tensile lub zog thiab lub zog tsim kua muag raug sim siv lub tshuab kuaj cov khoom siv thoob ntiaj teb (xws li GB / T 528-2009);
•Kev Ua Haujlwm Kev Laus: Ntev- lub sij hawm ib puag ncig raug simulated siv lub tshav kub laus chamber thiab ozone aging chamber (raws li GB/T 3512-2014);
•Composition Analysis: Ua raws li cov khoom siv roj hmab hauv paus thiab cov khoom sib xyaw ntxiv yog txheeb xyuas siv FTIR spectrometer lossis thermogravimetric analyzer (TGA).
Cov neeg tsim khoom yuav tsum tsim kom muaj kev tswj hwm zoo, los ntawm cov khoom siv raw (xws li, tus neeg muag khoom tsim nyog tshuaj xyuas cov roj hmab nyoos, vulcanizers, thiab cov khoom ntim), rau kev tswj cov txheej txheem ntau lawm (txheej tswj ntawm vulcanization kub, lub sij hawm, thiab siab), kom tiav cov khoom xa tuaj soj ntsuam (tag nrho kev soj ntsuam los yog ib tug ua ke ntawm random soj ntsuam). Kev koom tes ntawm thib peb -cov koom haum xeem cov koom haum (xws li SGS thiab Huachuang Testing) tuaj yeem txhim kho kev ntseeg siab ntawm kev siv tus qauv thiab xyuas kom meej tias cov khoom ua raws li cov lus cog tseg thiab cov kev cai ua lag luam thoob ntiaj teb.
Lub luag haujlwm ntawm Kev Siv Cov Qauv hauv Kev Tsav Tsheb Kev Txhim Kho Kev Lag Luam
Kev txhim kho thiab kev siv cov qauv kev siv rau cov roj hmab profiles tsis tsuas yog ua kom cov khoom zoo thiab kev nyab xeeb, tab sis kuj txhawb kev iteration thiab kho dua tshiab ntawm kev lag luam technology. Ntawm qhov one hand, standardization txo cov nqi kev sib txuas lus thoob plaws hauv kev lag luam saw thiab txhawb nqa loj - daim ntawv thov ntawm cov khoom siv roj hmab (piv txwv li, tom qab standardization ntawm lub tsev sealing strips, procurement efficiency rau lub qhov rooj thiab qhov rais manufacturers nce ntau tshaj 30%). Ntawm qhov tod tes, cov qauv siab yuam cov tuam txhab kom nce R & D peev. Piv txwv li, kom ua tau raws li qhov siab -kub tsis kam (siab tshaj 150 degree) thiab electrolyte corrosion kuj yuav tsum tau ntawm lub zog tshiab lub tsheb roj teeb ntim cov ntsaws ruaj ruaj, cov tuam txhab lag luam hauv tsev tau tsim cov fluorosilicone roj hmab sib xyaw ua ke, rhuav tshem cov kev lag luam txawv teb chaws.
Tsis tas li ntawd, nrog kev ntxiv dag zog rau ib puag ncig cov cai (xws li EU REACH txoj cai txwv kev txwv ntawm polycyclic aromatic hydrocarbons hauv cov roj hmab), cov qauv kev siv tau maj mam sib txuas nrog cov ntsuas ntsuab (xws li cov ntsiab lus hlau hnyav thiab cov pa roj carbon monoxide emissions), coj kev lag luam hloov mus rau kev ruaj ntseg.
Rubber profile siv cov qauv yog qhov tseem ceeb ntawm kev sib txuas ntawm cov khoom siv, kev xav tau ntawm engineering, thiab cov kev cai ua lag luam. Los ntawm cov khoom siv lub cev yooj yim mus rau qhov kev hloov pauv ntawm ib puag ncig, thiab los ntawm qhov dav dav - cov khoom siv rau cov khoom siv tshwj xeeb, kev txhim kho txuas ntxiv ntawm cov txheej txheem tsim qauv muab kev txhawb nqa zoo rau cov roj hmab profile zoo tswj, kev tsim kho thev naus laus zis, thiab kev txhim kho kev lag luam. Nyob rau hauv lub neej yav tom ntej, nrog kev tshwm sim ntawm cov ntaub ntawv tshiab thiab cov txheej txheem, cov qauv siv roj hmab profile yuav txuas ntxiv ua kom zoo dua kom haum rau ntau qhov kev thov thiab cov kev xav tau siab dua, tiv thaiv kev nyab xeeb thiab txhim khu kev lag luam ntawm kev tsim khoom thiab kev noj qab haus huv rau pej xeem.
