Case Study: Custom Sealing Solution for Electric Vehicle Battery Pack
Raws li lub tsheb hluav taws xob txuas ntxiv ua tus thawj tswj hwm kev lag luam tsheb hauv 2025, lub roj teeb ntim ntim tau dhau los ua qhov tseem ceeb rau kev nyab xeeb, kev ua haujlwm, thiab kev ua haujlwm ntev. Qhov kev tshawb fawb no qhia tau hais tias peb tau pab lub tuam txhab EV loj li cas los daws qhov teeb meem tseem ceeb ntawm kev sib khi lub roj teeb.
Client Background
| Kev lag luam | Electric Tsheb Manufacturing |
| Qhov chaw | Southeast Asia |
| Khoom | Premium Electric SUV (80 kWh roj teeb pob) |
| Ntau lawm ntim | 50, 000+ units ib xyoos twg |
| Challenge cheeb tsam | Roj teeb ntim tsev sealing |
Kev Sib Tw
Cov teeb meem tau txheeb xyuas:
1. Dej Ingress Teeb meem
- Cov roj teeb pob ua tsis tiav IP67 kev ntsuas dej tsis zoo
- Cov dej noo tau pom nyob rau hauv cov roj teeb vaj tsev tom qab kev sim txoj kev
- Kev pheej hmoo ntawm luv circuits thiab roj teeb degradation
2. Cov teeb meem tswj kev kub ntxhov
- Thawj cov khoom siv gasket degraded ntawm qhov kub thiab txias (80-90 degree)
- Cov txheej txheem compression tshaj 30% tom qab 1,000 teev ntawm 85 degree
- Sealing kev ua tau zoo txo qis thaum lub sij hawm them ceev ceev
3. Teeb meem kev teeb tsa
- Cov qauv gasket uas twb muaj lawm yuav tsum tau 45+ feeb los nruab
- Ntau daim ua kom sib dhos nyuaj
- Kev tsis lees paub ntau vim yog kev teeb tsa tsis raug (8-12%)
4. Tus nqi siab
- Yav dhau los tus neeg muag khoom tus nqi gasket yog siab dhau
- Yuav tsum tau txo tus nqi ntawm ib - tsheb sib khi los ntawm 20-30%
Peb Kev daws
Theem 1: Kev Ntsuas Kev Ntsuas (Lub Limtiam 1-2)
Peb ua dab tsi:
- Tshawb xyuas lub roj teeb pob tsim thiab cov kev cai sib khi
- Txheeb xyuas cov qauv ua tsis tiav los ntawm cov neeg siv khoom kuaj cov ntaub ntawv
- Kawm txog kev ua haujlwm: kub ntau (-40℃rau +95 degree), IP67 yuav tsum tau, coolant compatibility
- Tshawb xyuas cov txheej txheem installation thiab cov kab ntau lawm txwv
Theem 2: Custom Design (Lub Limtiam 3-4)
Tsim kev txhim kho:
✅ Xaiv cov khoom siv: hwm EPDM (Peroxide-kho)
- Qhov kub thiab txias: -40℃rau +150 degree
- Kev tiv thaiv zoo rau cov dej txias (dej-glycol sib tov)
- Tsawg compression teeb:<15% after 1,000 hrs @ 100°C
- Cov huab cua zoo tshaj plaws thiab ozone tsis kam rau ntev - lub sij hawm durability
✅ Integrated Gasket Design
- Muab 3 cais gaskets rau hauv ib qho -daim qauv
- Moulded ces kaum seem tshem tawm txoj kev xau
- Ua -hauv qhov chaw tab rau kev teeb tsa tsis zoo
- Txo tag nrho gasket qhov chaw los ntawm 5 daim mus rau 1 daim
✅ Txhim khu kev sealing nta
- Ob chav sealing di ncauj tsim rau IP67 tiv thaiv
- Optimized compression piv (22% vs. dhau los 18%)
- Lub kaum ntse ntse kom tiv thaiv extrusion nyob rau hauv siab
✅ Txhim kho kev txhim kho
- Siab -sensitive nplaum (PSA) rov qab rau ntawm ib sab
- Xim -coded alignment markers
- Installation qhia thiab kev cob qhia muab
Theem 3: Prototyping & Testing (Lub Limtiam 5-8)
| Kuaj | Kev xav tau | Kev tshwm sim |
|---|---|---|
| IP67 Dej Ingress | 1m qhov tob, 30 feeb | ✅ Pass (tsis pom dej) |
| Thermal Cycling | -40℃rau +95 degree, 500 cycles | ✅Pass (tsis muaj dej ntws) |
| Compression Teeb | <20% @ 100°C, 1000 hrs | ✅ 14.5% (ntau tshaj qhov yuav tsum tau) |
| Coolant Compatibility | 168 teev immersion @ 100 degree | ✅ Volume hloov<5% |
| Vibration Test | 10-2000 Hz, 8 teev | ✅Pass (cuam tshuam) |
| Lub Sijhawm Txhim Kho | Hom phiaj:<20 minutes | ✅ 12 feeb nruab nrab |
Theem 4: Kev tsim khoom & xa tawm (Lub Limtiam 9+)
- Compression molding txheej txheem kom zoo ib yam
- 100% kev soj ntsuam qhov ntev siv CMM
- Ntxuav chav ntim kom tsis txhob muaj kab mob
- Tsuas yog -hauv- lub sijhawm xa mus rau cov neeg siv khoom sib dhos kab
Cov txiaj ntsig & Cov txiaj ntsig
✅ Txhim kho kev ua haujlwm
|
🔒 Sealing Performance
|
🌡️ Thermal Management
|
✅ Cov txiaj ntsig ua haujlwm
|
⏱️ Ntau lawm Efficiency
|
💰 Kev txuag nyiaj
|
Cov neeg siv khoom pov thawj
"Kev cai EPDM gasket kev daws teeb meem los ntawm Qhov Zoo Tshaj Plaws tau daws tau tag nrho peb cov roj teeb ntim cov kev sib tw. Ib qho -cov qauv tsim tsis tsuas yog txhim kho sealing kev ua tau zoo tab sis kuj txo peb lub sij hawm sib dhos thiab cov nqi ntau.
- Engineering Manager, EV Battery Division
Major Automotive Chaw tsim tshuaj paus, Southeast Asia
Technical Specifications
| Parameter | Specification |
|---|---|
| Khoom siv | EPDM (Peroxide-Kho tau), 70 Shore A |
| Qhov ntev | Kev cai ncej gasket: 1850mm × 1200mm × 8mm thickness |
| Qhov kub thiab txias | -40℃rau +150℃kev ua haujlwm tsis tu ncua |
| Compression Teeb | 14.5% (22 teev @ 100℃ib ASTM D395) |
| Sealing Rating | IP67 (1m dej tob, 30 feeb) |
| Txoj kev tsim khoom | Compression molding nrog vulcanized fab |
| Nta | Muab ob npaug rau sealing di ncauj, PSA thaub qab, positioning tabs |
| Cov ntawv pov thawj | RoHS, REACH ua raws |
| Kev Pabcuam Lub Neej | 8+ xyoo nyob rau hauv ib txwm ua haujlwm |
Vim li cas qhov kev daws teeb meem no ua haujlwm
1. Kev paub txog kev lag luam sib sib zog nqus
Peb pab neeg nkag siab txog cov teeb meem tshwj xeeb ntawm EV roj teeb ntim ntim: kev tswj xyuas thermal, kev sib raug zoo ntawm cov dej txias, thiab IP67 cov cai.
2. Kev xaiv cov khoom siv qib siab
Peroxide- kho EPDM tau xaiv tshwj xeeb rau nws cov kev tiv thaiv kev laus thaum tshav kub kub thiab tsis tshua muaj compression teeb - tseem ceeb rau daim ntawv thov roj teeb.
3. Tsim rau kev tsim khoom
Kev sib koom ua ke ib qho -cov qauv tsim tshem tawm kev sib dhos nyuaj thaum txhim kho kev sib khi ua haujlwm- yeej- yeej kev daws teeb meem.
4. Kev Ntsuas Kev Ntsuas
Kev soj ntsuam nruj nruj kom ntseeg tau tias lub gasket yuav ua tau kev ntseeg siab raws li -lub ntiaj teb kev ua haujlwm.
5. Txoj Kev Sib Koom Tes
Kev sib raug zoo nrog cov neeg siv khoom engineering pab neeg thoob plaws hauv kev txhim kho kom ntseeg tau tias cov kev daws teeb meem ua tau raws li txhua qhov yuav tsum tau ua.
Kawm ntxiv
Puas yog koj tab tom ntsib teeb meem kev sib khi hauv koj lub tsheb hluav taws xob lossis roj teeb ua haujlwm? Peb pab neeg ua haujlwm engineering tshwj xeeb hauv kev sib khi kev daws teeb meem rau EV kev lag luam.
Peb tuaj yeem pab nrog:
- Roj teeb ntim cov ntsaws ruaj ruaj (IP67 / IP68)
- Thermal tswj system gaskets
- Lub hwj chim electronics enclosure seals
- Motor thiab drivetrain sealing daws
- Charge chaw nres nkoj thiab connector seals
Yam khoom:
Custom Roj Hmab Gaskets 👉 | O-Rings rau EV Applications👉 | Moulded Rubber Cheebtsam 👉
Hu rau US
Npaj los tham txog koj cov kev cai EV sealing?
Xiamen Best Seal Imp thiab Exp Co., Ltd
Tel: +86-592-5782315
Mob: +8618950159396
Email: yunying2@bestsealhk.com
Ntxiv: Unit 522-525, Gaodian Road 6#, Huli District, Xiamen, Suav teb
Ntsiab lus:EV Roj Teeb Sealing, Hluav Taws Xob Tsheb Gasket, Roj Teeb Pob Gasket, IP67 Sealing, EPDM Gasket, Automotive Sealing Solution, Custom EV Gaskets
Hnub tim: Kaum Ob Hlis 2025
