Yuav ua li cas xaiv Copper Cap thiab Kev Sib Txuas Sib Txuas rau High-Voltage EV Fuses

Rau 800V EV roj teeb tshuab, fuse tooj liab cap thiab kev sib cuag cov rooj sib tham yuav tsum muaj kev sib cuag tsis tshua muaj zog, ruaj khov tam sim no - nqa peev xwm, thiab kev siv tshuab ua kom zoo raws li kev sib tw thermal txuas ntxiv. C1100 ntshiab tooj liab nrog conductivity saum 97% IACS, tswj nyiaj plating thickness, thiab precision stamping kam rau ua nyob rau hauv ± 0.01 hli yog qhov tseem ceeb tsis rau siab -voltage fuse kev ntseeg tau.

 

Xaiv tus EV Fuse Contact Cap Supplier yuav tsum tau soj ntsuam cov khoom conductivity, vuam interface zoo, plating kev ua tau zoo, thiab validation cov ntaub ntawv, nrog rau kev ntsuas kub nce, rub- tawm quab yuam kuaj, thiab PPAP Qib 3 cov ntaub ntawv.

 

 

 

800V EV Fuse Systems xav tau kev sib cuag nrog<0.1mΩ Resistance Control

Cov tsheb hluav taws xob niaj hnub tau txav los ntawm 400V platforms mus rau 800V architectures kom txo tau lub sijhawm them thiab txhim kho lub zog ceev. Txawm li cas los xij, cov tshuab hluav taws xob siab dua qhia cov kev cai nruj dua rau cov khoom siv fuse.

 

Lub siab -voltage EV fuse ua haujlwm raws li:

Nruam tam sim no loads siab tshaj 200A-600A
Luv-circuit tam sim no pulses tshaj 10kA
Ua haujlwm kub ntawm -40℃rau +125 degree
Siab - zaus thermal cycling tshaj 1,000 cycles
Kev co yuav tsum tau ua raws li ISO 16750-3

Lub taub hau tooj liab sib sau ua ke hauv EV fuse muab kev hloov hluav taws xob ntawm kev sib txuas sab nraud thiab lub fuse sab hauv.

 

Ib qho kev nce hauv kev cuam tshuam cuam tshuam ua rau muaj cua sov ntxiv:

 

Fais fab poob Formula:
P = I²R

Piv txwv li:

 

Tam sim no	Tiv tauj Resistance	Thaum tshav kub kub tiam
300A	0.1mΩ	9W
400A	0.1mΩ	16W
500A	0.1mΩ	25W

 

Qhov sib txawv ntawm tsuas yog 0.05mΩ tuaj yeem cuam tshuam rau fuse kub faib thaum lub sijhawm ua haujlwm tas mus li.

 

High Voltage Fuse Cap los ua ke yuav tsum tswj plaub qhov sib txawv ntawm engineering

Hluav taws xob conductivity: C1100 tooj liab conductivity Ntau dua los yog sib npaug rau 97% IACS
Tiv tauj tsis kam: ruaj khov tom qab thermal cycling
Mechanical zog: rub- tawm quab yuam tsim raws li cov neeg siv khoom tshwj xeeb
Kev tiv thaiv nto: nyiaj / tin plating thickness tswj los ntawm XRF xeem

 

 

 

C1100 Copper Achieves Ntau dua lossis sib npaug rau 97% IACS Kev Coj Ua Haujlwm rau Kev Siv EV High Tam Sim No

 

Cov khoom xaiv ncaj qha txiav txim siab hluav taws xob poob thiab kev ua haujlwm thermal. Copper contact caps feem ntau yog tsim los ntawm siab -conductivity tooj liab alloys los yog tooj dag, nyob ntawm seb cov neeg kho tshuab xav tau.

 

Ob qho khoom siv feem ntau xaiv yog:

 

Khoom siv	C1100 ntshiab tooj liab	C2680 tooj dag
Lub ntsiab lus	Cu ntau dua lossis sib npaug li 99.90%	Cu 64% -68%, Zn tshuav
Hluav taws xob conductivity	Ntau dua lossis sib npaug li 97% IACS	Kwv yees li ntawm 25% -30% IACS
Tensile zog	245-345MPa	300-450MPa
Thermal conductivity	Siab	Nruab nrab
Corrosion Resistance	Zoo heev nrog plating	Zoo
Stamping Performance	Zoo heev	Zoo heev
Pom zoo daim ntawv thov	Siab - tam sim no hu rau cap	Mechanical terminals

 

Rau EV fuse hu rau cov rooj sib tham, C1100 tooj liab feem ntau yog xaiv thaum tam sim no - nqa peev xwm yog qhov tseem ceeb.

 

C2680 tooj dag tuaj yeem siv rau:

Cov qauv kho cov khoom siv

Tsawg-terminals tam sim no

Cheebtsam yuav tsum tau siab dua mechanical hardness

Txawm li cas los xij, tooj dag muaj kwv yees li ib -feem peb ntawm tooj liab conductivity, ua rau siab dua Joule cua sov nyob rau hauv zoo tib yam tam sim no.

 

Cov ntaub ntawv pov thawj xav tau rau Automotive Fuse Cheebtsam

 

Cov neeg tsim khoom tsim nyog yuav tsum muab:

Cov ntaub ntawv muaj pes tsawg leeg
RoHS thiab REACH ua raws
Kev txheeb xyuas cov cuab yeej cuab tam
Kev ntsuas hluav taws xob conductivity
PPAP Theem 3 xa

 

Kev tshuaj ntsuam xyuas yam khoom muaj xws li:

Spectrometer muaj pes tsawg leeg tsom xam
Kev sim hardness
Kev ntsuas tensile
Surface defect tshuaj xyuas

 

Thov Kev Ntsuam Xyuas DFM Dawb & Tso Cai

 

 

± 0.01mm Stamping kam rau ua kom paub meej Fuse Cap los ua ke

 

Siab - ntim EV fuse Cheebtsam xav tau kev tswj qhov ntev. Progressive stamping yog dav siv vim nws integrates blanking, forming, dabtsi yog khoov, tho, thiab embossing rau hauv ib tug tas mus li txheej txheem.

 

 

Txheej txheem	Engineering Control
Progressive stamping	± 0.01mm qhov ntev kam rau ua
Tuag clearance	Tswj raws li cov khoom thickness
Burr qhov siab	Tswj raws li tus neeg siv khoom specification
Kev tshuaj xyuas flatness	Kev ntsuas CMM
Cov cuab yeej saib xyuas lub neej	Cov ntaub ntawv khaws cia tsis tu ncua

 

Rau siab - ntim cov kev pab cuam tsheb, stamping tuag xav tau:

SKD11 / D2 cov cuab yeej steel xaiv
Multi-stage forming design
Tsis siv neeg pub noj tshuab
Tiag - lub sijhawm saib xyuas

 

Hauv -Tuag Riveting Txhim Kho Mechanical Reliability

Qee qhov kev sib txuas ntawm fuse yuav tsum muaj kev sib koom ua ke ntawm cov txheej tooj liab lossis cov terminals.

 

Qhov zoo:

Tsis muaj fasteners ntxiv
Kev sib txuas hluav taws xob ruaj khov
Txo kev sib dhos variation
Txhim kho ntau lawm efficiency

 

Cov ntsiab lus tseem ceeb soj ntsuam:

Rivet qhov siab
Rivet deformation
Kev sib koom ua ke muaj zog
Hluav taws xob tiv thaiv tom qab kev vibration kuaj
 

 

3-5μm Nyiaj Plating txo kev sib cuag thiab tiv thaiv Oxidation

 

Copper ib txwm ua cov txheej txheem oxide uas ua rau kom muaj kev sib cuag. Deg plating txhim kho conductivity stability thiab corrosion kuj.

Common plating xaiv:

 

Hom Plating	Thickness	Main Advantage	Daim ntawv thov
Nyiaj plating	3-5μm	Kev tiv thaiv qis tshaj plaws	Siab -tam sim no EV fuse tiv tauj
Tin plating	5-10μm	Tus nqi - tiv thaiv corrosion zoo	General hluav taws xob terminals
Nickel underlayer + nyiaj	Ni 1-3μm + Ag 3-5μm	Txhim kho diffusion kuj	High -kev siv kub

 

Silver plating yuav tsum tau tswj nruj ntawm:

Txheej thickness uniformity
Nto adhesion
Porosity theem
Sulfur corrosion kuj

 

Cov kev xeem muaj xws li:

XRF txheej thickness ntsuas
Tshuaj tsuag ntsev
Hla - txiav adhesion xeem
Tiv tauj ntsuas ntsuas

 

 

Vuam zoo txiav txim siab tam sim no hloov kev ntseeg tau

 

Copper contact assemblies feem ntau yuav tsum tau koom nrog cov txheej txheem ntawm terminals, caps, thiab conductive inserts.

Kev xaiv yog nyob ntawm cov khoom sib xyaw ua ke, ntim ntau lawm, thiab cov kev xav tau thermal.

 

Txheej txheem	Resistance Silver Brazing	Laser Vuam Cu-Al
Koom nrog Txoj Cai	Thaum tshav kub kub generated los ntawm hluav taws xob kuj + nyiaj alloy muab tub lim	Laser zog melting puag cov ntaub ntawv
Cov ntaub ntawv tsim nyog	Copper-tooj liab, tooj liab- tooj dag	Copper{0}}aluminium hybrid pob qij txha
Kev sib koom ua ke	Siab	Siab
Thaum tshav kub kub cuam tshuam	Loj dua	Me me
Ntau lawm ceev	Nruab nrab	Siab
Txoj kev tshuaj xyuas	Metallographic tsom xam	Weld nkag mus soj ntsuam
Daim ntawv thov	Fuse kev sib cuag sib dhos	EV roj teeb busbar txuas

 

Rau copper contact caps:

Resistance silver brazing muab txhim khu kev qha hluav taws xob conductivity.
Laser vuam yog qhov zoo dua rau cov hlau sib txawv xws li Cu-Al.

 

Quality validation muaj xws li:

Weld cross-section tsom xam
Kev ntsuam xyuas lub zog tensile
Kev ntsuas hluav taws xob tiv thaiv
Kev ntsuam xyuas thermal cycling

 

 

 

Automotive Fuse Tiv tauj Cheebtsam Yuav tsum tau IATF 16949 Kev Ua Haujlwm Zoo

 

Ib tug tsim nyog High Voltage Fuse Cap Assembly tsum yuav tsum xyuas ob qho tib si hluav taws xob thiab mechanical kev ua tau zoo ua ntej ntau lawm.

Cov txheej txheem validation xws li:

 

Cov khoom kuaj	Lub hom phiaj	Yam yuav tsum tau muaj
Kev ntsuas kub nce	Ntsuas qhov ua haujlwm thermal	Raws li tus neeg siv khoom specification
Rub -tawm kev sim	Txheeb xyuas qhov chaw nres nkoj khaws cia	Txhais los ntawm kev sib dhos tsim
Tiv tauj tiv thaiv kev xeem	Tshawb xyuas hluav taws xob ruaj ntseg	μΩ- ntsuas qib
Thermal cycling test	Ntsuas lub sijhawm ntev - kev ntseeg tau	-40℃rau +125℃cycles
Kev tshuaj xyuas CMM	Paub meej qhov tseeb qhov tseeb	± 0.01 hli
Metallographic tsom xam	Xyuas qhov vuam zoo	Tsis tawg los yog voids

 

Temperature Rise Testing Controls Continuous Current Capability

Thaum kuaj:

Tam sim no siv rau ntawm qhov ntsuas load
Kub sensors saib xyuas cov chaw kub
Infrared thermal imaging qhia cov cua kub txawv txav

 

Engineering lub hom phiaj:

Kev faib tawm qhov kub thiab txias
Tsis muaj plating puas
Tsis muaj cov khoom deformation
Tsis muaj kev tiv thaiv nce tom qab caij tsheb kauj vab
Rub -Tshem Tawm Kev Ntsuas Tiv Thaiv Kev Ua Haujlwm Tsis Ua Haujlwm

 

Mechanical validation paub meej tias:

Tiv tauj tuav lub zog
Riveting kev ntseeg tau
Vuam sib koom ua ke durability

Rau kev siv tsheb, cov ntaub ntawv xeem tau muab tso rau hauv:

PPAP Qib 3 cov ntaub ntawv
Tswj Plan
PFMEA
Kev ntsuas qhov ntsuas (MSA)

 

 

 

Ib lub chaw tsim khoom OEM tsim nyog yuav tsum muab:

Progressive stamping ntau lawm kab
Precision pwm tsim muaj peev xwm
Nyiaj plating ntau lawm tswj
Kuj welding thiab brazing muaj peev xwm
CMM qhov ntsuas qhov ntsuas
PPAP Qib 3 automotive cov ntaub ntawv

 

Hom ntau lawm workflow:

Cov khoom nkag mus kuaj
Progressive stamping
Kev ntxuav thiab kev npaj nto
Silver / Tin plating
Vuam los yog riveting los ua ke
Kev ntsuas hluav taws xob tiv thaiv
Dimensional soj ntsuam
Kev xa tawm PPAP

Rau EV fuse daim ntawv thov uas yuav tsum tau muaj kev ruaj ntseg hluav taws xob, tooj liab cap geometry, plating thickness, thiab kev koom ua ke zoo yuav tsum tau tswj ua ke es tsis soj ntsuam cais.

 

 

Cov ntaub ntawv dab tsi xav tau rau PPAP Theem 3 kev xa khoom ntawm EV fuse tooj liab tiv tauj lub kaus mom?

PPAP Theem 3 kev xa khoom suav nrog cov ntawv tshaj tawm, cov ntaub ntawv pov thawj, PFMEA, Kev Npaj Tswj, MSA, kev tshawb fawb txog kev muaj peev xwm, thiab cov qauv khoom.

 

Ntev npaum li cas cov cuab yeej thiab cov qauv coj ua lub sijhawm rau siab -voltage fuse cap los ua ke?

Cov qauv qauv siv tau siv sijhawm 20-30 hnub. Cov cuab yeej tsim khoom thiab cov sijhawm siv tau yog nyob ntawm qhov tsim qauv nyuaj thiab cov neeg siv khoom PPAP cov cai.

 

Yuav ua li cas cov nyiaj plating thickness txheeb xyuas ntawmtooj liab fuse contact caps?

Silver plating thickness yog ntsuas siv XRF cov cuab yeej kuaj. Hom tsheb fuse hu rau daim ntawv thov yuav tsum tau tswj 3-5μm nyiaj txheej tuab.