Gabatarwa
A cikin madaidaicin yanayin masana'anta kamar waldi na baturin wutar lantarki da tattara kayan aikin sadarwa na 5G,capacitance sallama waldiya zama tsarin da aka fi so don haɗin kai na bakin ciki -sakamakon sakin ƙarfinsa na millisecond{1} da shigar da zafi mai iya sarrafawa. Koyaya, bayanan masana'antu sun nuna cewa gazawar samfur da lahani na ingancin haɗin gwiwa ke haifar da 73% na kurakuran walda, kuma jujjuyawar ƙarfin haɗin gwiwa guda ɗaya wanda ya wuce 15% zai haifar da haɗarin tsaro na tsarin. Wannan labarin zai tsara tsarin nazarin m bukatun nacapacitance sallama waldion solder hadin gwiwa ingancin da aiwatar da hanyar daga ra'ayoyi na inji Properties,
microstructures, da kuma aiwatar da kwanciyar hankali.
I. Core Nuni Tsarin Tsarin Haɗin Haɗin Solder
Halayen tsari nacapacitance sallama waldiƘayyade buƙatun sa na musamman don ingancin haɗin gwiwa na solder, waɗanda ke buƙatar saduwa da alamomi guda biyar:
1. Bukatun Ma'aikatun Injiniya
- Shear strength: Solder joints of power battery tabs need to withstand a shear force of>=80N (ISO 18278 standard)
- Tensile ƙarfi: Solder gidajen abinci na Aerospace aluminum gami bukatar isa 85% -95% na tushe kayan ƙarfi
- Rayuwar gajiya: kayan haɗin gwiwa na sabbin abubuwan abin hawa makamashi suna buƙatar wuce gwajin girgiza 10 ^ 6 (ma'aunin SAE J2334)
2. Bukatun Daidaiton Girma
- Weld nugget diamita: Izinin haɓaka haɓakawa shine ± 0.1mm (misali, farantin karfe 1.2mm yana buƙatar diamita na walda na 4.2-4.4mm)
- Zurfin ciki: Ana buƙatar sarrafawa a cikin 15% na kauri na takarda (tushen farantin aluminum 0.5mm<0.075mm)
3. Microstructural Bukatun
- Tsarin Metallographic: Girman hatsin yanki na weld nugget yana buƙatar isa ASTM Grade 8 ko sama, ba tare da haɗaɗɗen oxidized ba.
- Yankin da zafi ya shafa (HAZ): Nisa yana buƙatar zama-<0.3mm, and hardness fluctuation ≤10%
4. Abubuwan buƙatun ingancin saman
- Babu spatter, fasa, ko ablation (ma'aunin dubawa na gani ISO 17638)
- Pore diamita<0.05mm, and the number of pores per unit area ≤3/cm²
5. Tsari Daidaita Bukatun
- Ƙimar CPK guda ɗaya {{0} na'ura Ta fi ko daidai da 1.67 (ƙimar iya aiki)
- Ƙarfin kewayon tsari mai siyar da haɗin gwiwa<8%
II. Ingancin Tabbacin Ingantacciyar Injiniya na Ƙarfin Fitar da Welding
1. Daidaiton Kula da Makamashi
- Kwanciyar hankali fitarwa na Capacitor: Canjin wutar lantarki<±1%, ensuring single-point energy error ≤3%
- Daidaitaccen sarrafa lokaci: Gudanar da lokacin fitarwa ya kai matakin 0.1ms don hana shigar da zafi mai yawa
- Gwaji mai amfani ta hanyar masana'antar kera motoci ya nuna cewa kowane 5% karuwa a cikin ƙarfin rage ƙarfin capacitor, haɓaka diamita na walda yana ƙaruwa da 0.12mm.
2. Tsarin Matsi mai ƙarfi
- Sarrafa matsa lamba na Servo: Sauyin yanayi<±2%, improving contact resistance stability by 40%
- Electrode bin - diyya: Daidaita motsin lantarki a ainihin lokacin don rama nakasar yanayin zafi (daidaicin diyya 0.01mm)
- Formula: Juriya na tuntuɓar Rc=K / Pⁿ
- (Inda K shine madaidaicin abu kuma P shine matsa lamba na lantarki).
3. Tsarin Kula da hankali
- Binciken ingancin kan layi:
- Hall sensor monitors the current curve, and automatically rejects defective solder joints if the deviation >5%
- Infrared thermal Hoto yana ɗaukar filin zafin weld nugget don tabbatar da ainihin zafin yankin ya kai 90% -110% na wurin narkewa
- Binciken metallographic na kan layi:
- Bincika da gangan ga mahaɗin solder a cikin kowane tsari, kuma bincika yanayin halittar walda ta hanyar amfani da microscope na lantarki (girma 200-500X)
III. Ayyukan Kula da Inganci a cikin Yanayin Aikace-aikace na Musamman
1. Multi{1}}Layer Tab Welding of Power Battery
- Bukatun inganci:
- Don walda 0.2mm aluminum foil + 0.15mm jan karfe foil, karfi karfi Mafi Girma ko daidai da 75N
- Juriya ta hanyar sadarwa<15μΩ·cm²
- Tsarin tsari:
- Ɗauki fitar da igiyar trapezoidal (hannun tashi na farko da saurin tashi daga baya) don murƙushe spatter
- Saita yanayin bugun jini guda biyu-: bugun farko yana karya layin oxide (3ms), bugun na biyun yana samar da walda nugget (5ms)
- Sakamakon gwaji: Yawan yawan amfanin ƙasa ya ƙaru daga 88% zuwa 96%, kuma juriyar haɗin kai ya ragu da 22%
2. Aerospace Titanium Alloy Components
- Bukatun inganci:
- Rayuwar gajiyar TC4 titanium alloy solder haɗin gwiwa Mafi girma ko daidai da zagayowar 10^7 (rabin kaya R=0.1)
- -abun cikin lokaci a cikin zafi{1}}yankin da abin ya shafa<5%
- Tsarin bidi'a:
- Haɓaka nau'in igiyar ruwa mai haɗaka: Raƙuman raƙuman raƙuman ruwa + hadewar igiyar ruwa don sarrafa ƙimar sanyaya
- Aiwatar da sanyaya ruwa mai ƙarfi nitrogen don damfara lokacin sanyaya daga digiri 800 zuwa digiri 300 zuwa 0.8 seconds
- Sakamakon gwaji: Ƙarfin gajiyar walda ya ƙaru da kashi 35%, kuma faɗin yankin da zafin ya shafa ya ragu zuwa 0.25mm
IV. Hanyoyi na Fasaha don Karye Ta Hanyar kwalabe masu inganci
1. Multi-Irin Haɗin Haɗin Filayen Physics
- Gina samfurin haɗaɗɗiyar injina - thermal - don tsinkayar ka'idar ci gaban weld nugget (daidaitaccen siminti har zuwa 95%)
- Ƙirƙirar algorithm daidaitacce don daidaita sigogin fitarwa a ainihin lokacin (lokacin amsawa<0.5ms)
2. Fasahar Gyaran Material Interface
- Laser tsaftacewa pretreatment: Cire surface oxide Layer, rage lamba juriya da 40% -60%
- Nano{0}}Aikace-aikacen rufi: Ƙara 50nm nickel mai canzawa tsakanin jan karfe{2}}aluminium kayan da ba su da kamanceceniya don hana samuwar mahaɗan tsaka-tsaki
3. Ƙididdigar Sensing Detection
- Ɗauki na'urar tsoma baki mai girma (SQUID) don gane micron{0}} gano lahani (ƙuduri 0.01mm³)
- Ƙirƙirar tsarin hoto na terahertz don yin gwajin da ba - mai lalacewa akan tsarin ciki na haɗin gwiwar solder (zurfin shiga har zuwa 5mm)
V. Binciken Harka na Inganta ingancin masana'antu
- Bayan gabatar da babban{0}}capacitance sallama waldikayan aiki, masana'antar lantarki ta 3C ta sami nasarori masu inganci ta hanyar matakan da suka biyo baya:
- Haɓaka siga: Ɗauki hanyar ƙirar gwaji ta DOE don haɓaka lokacin fitarwa daga 8ms zuwa 6.5ms
- Sa ido kan tsari: Shigar da tsarin hangen nesa na CCD don gano 100% na saɓanin matsayi na haɗin gwiwa (daidai ± 0.02mm)
- Gyara kayan aiki: Haɓaka tsarin capacitor don haɓaka ƙarfin sakin makamashi zuwa 99.2%
- Bayan watanni 6 na aiwatarwa, adadin dawowar kayayyakin ya ragu daga kashi 1.2% zuwa 0.15%, kuma amfanin na'ura guda daya na shekara ya karu da yuan 850,000.
Kammalawa
Abubuwan da ake bukata nacapacitance sallama waldiga solder hadin gwiwa ingancin nuna bukatun na daidai masana'antu zamanin. Ta hanyar daidaitaccen sarrafa makamashi, sa ido kan tsari mai hankali, da sabbin fasahar sarrafa kayan, zamanicapacitance sallama waldizai iya cimma ingancin haɗin gwiwa tare da daidaiton matakin micron{0}. Tare da aikace-aikacen fasaha kamar tagwaye na dijital da ƙididdigar ƙididdiga, kula da ingancin haɗin gwiwa na gaba mai siyarwa zai shiga sabon mataki na "hasashen{2}}gyara" rufaffiyar madauki, saita ingantaccen ma'auni mai inganci don babban masana'anta-ƙarshen.
