Intshayelelo
Kwimimandla ephezulu-yemveliso efana neemodyuli zebhetri zamandla kunye nezixhobo ezichanekileyo ze-aerospace, icapacitor ukukhupha indawo welderiye yaba sisixhobo esingundoqo kuqhagamshelo lwentsimbi ecekethekileyo-ngeshiti, enkosi kwi-millisecond yayo{1}}inqanaba lokukhupha amandla ngokuchaneka kunye nokufakwa kobushushu obulawulekayo. Idatha ibonisa ukuba amashishini alawula itekhnoloji yolawulo lwezigaba ezine zenkqubo yokuwelda ngokubanzi anezinga lesivuno eli-12% -15% ngaphezulu komndilili woshishino. Eli nqaku liza kuhlalutya nzulu izigaba ezine eziphambili ze-welding yecapacitor ukukhupha indawo welderkunye nokutyhila amanqaku enkqubo kunye nezicwangciso zokulawula umgangatho wenqanaba ngalinye.
I. Ingqiqo yokwahlula amanqanaba eNkqubo ye-Welding of aI-Capacitor Discharge Spot Welder
- Ngokwahlukileyo kwi-welding yendabuko yokuchasana, i-capacitor discharge spot welder ibona ukukhutshwa ngoko nangoko ngokugcina-umbane wamandla kwibhanki ye-capacitor, kwaye umjikelo wayo welding unokwahlulwa ngokuchanekileyo ube ngamanqanaba amane:
- I-Capacitor ngaphambili{0}}inqanaba lokutshaja (0.5-3 imizuzwana): Ukubeka isiseko sogcino lwamandla
- Inqanaba lesicelo soxinzelelo lwe-Electrode (10-50ms): Ukuseka ujongano oluzinzileyo lonxibelelwano
- Inqanaba lokukhutshwa kwe-Pulse (3-15ms): Ukukhutshwa kwamandla okukhokelela ukwenza i-weld nugget
- Inqanaba lokubamba uxinzelelo (20-100ms): Ukuqina kwe-Weld nugget kunye nokukhululwa koxinzelelo
- Ezi zigaba zine zisebenzisana kunye kwaye zigqibe ngokudibeneyo umgangatho we-welding kunye nokusebenza kakuhle kwezixhobo. Uvavanyo olusebenzayo lweshishini lemoto lubonisa ukuba ukwenziwa kwemigangatho emine{1}}kungalenza libe lifutshane ixesha elinye{2}}lokuwelda nge-25% kwaye bandise ubomi benkonzo yombane ngama-40%.
II. Inqanaba 1: I-Capacitor Pre{2}}Ukutshaja-Ulawulo oluchanekileyo loGcino lwaMandla
1. Imigaqo yoBugcisa kunye nokuSetwa kweParameter
- Icapacitor ukukhupha indawo welderiguqula imodyuli etshintshanayo ibe yangoku ngokuthe ngqo ngesilungisi kwaye ihlawulisa imodyuli ye-capacitor kwiseti yombane (idla ngokuba yi-300-800V).
- Ukutshaja ifomula esebenzayo:
- (Ifomula: η=(½CV²) / Amandla eNgeniso × 100%, apho u-C iyindawo yecapacitor (iyunithi: F) kunye no-V amandla ombane wokutshaja)
2. Izinto eziphambili zoLawulo
- Uzinzo lweVoltage: Ukuguquguquka kufuneka kulawulwe ngaphakathi ± 1.5% ukunqanda ukungafani kwamandla kwi-batch welding
- Isantya sokutshaja: Ukwamkela itekhnoloji ye-IGBT ephezulu{0}}yokutshintsha amaxesha amaninzi ukunciphisa ixesha lokutshaja ukusuka kwimizuzwana emi-3 ukuya kwimizuzwana eyi-0.8
- Ukuthelekisa umthamo: Ukukhetha ubumbeko lwebhanki ye-capacitor ngokobukhulu bemathiriyeli (umzekelo, i-12kJ yeepleyiti ze-aluminium eziyi-0.5mm kunye ne-28kJ yeepleyiti zentsimbi eziyi-1.2mm)
3. Iingxaki eziqhelekileyo kunye neMiqathango yokuNqanda
- I-alam ye-Overvoltage: Jonga ukuba i-diode yemodyuli yokulungisa yaphukile
- Ukulibaziseka kokutshaja: Coca i-terminal yebhanki ye-capacitor ukuqinisekisa ukuchasana koqhagamshelwano<0.1Ω
III. Inqanaba lesi-2: Isicelo soxinzelelo lwe-Electrode-Ifestile engundoqo yoKuqulunqwa kwe-Interface
1. IMechanical Action Mechanism
- Uxinzelelo lwe-400 -1500N lusetyenziswa yi-servo motor okanye isixhobo sepneumatic ukuphelisa uburhabaxa obuncinci kumphezulu womsebenzi.
- Ifomula yokumelana noQhagamshelwano:
- (Ifomula: Rc=K / Pⁿ, apho u-K ngumlinganiso wezinto eziphathekayo kunye no-P luxinzelelo lwe-electrode)
2. Amanqaku okulawula inkqubo
- Ulawulo lwegradient yoxinzelelo: Ukwamkela{0}}usetyenziso loxinzelelo lwenqanaba elithathu ({1}}phambi koxinzelelo lwe-50ms → uxinzelelo oluphambili lwe-20ms → uhlengahlengiso oluhle lwe-5ms)
- Ulungelelwaniso lwe-Coaxiality: Ukusebenzisa isixhobo sokulungelelanisa i-laser ukuqinisekisa ukutenxa kwee-electrode eziphezulu nasezantsi.<0.03mm
- Ukulungiswa kwempendulo enamandla: Ixesha lokuphendula lenkqubo ye-pneumatic kufuneka libe<15ms to avoid pressure oscillation
3. Umgangatho Wesiphako Isilumkiso kwangethuba
- A pressure fluctuation of >± 5% kwinqanaba lesicelo soxinzelelo lingabonisa ukuvuza kweesekethe zomoya okanye ukunxitywa kwesikhokelo.
IV. Inqanaba lesi-3: Ukukhutshwa kwePulse-Milisecond Game yokuKhupha amandla
1. Inkqubo yeMikroskophu yoMzimba
- Uxinzelelo lwangoku lokukhutshwa lufikelela kwi-2000-5000A/mm², kwaye umphezulu woqhagamshelwano ufudunyezwa ngoko nangoko ukuya kwindawo yokunyibilika (i-660℃ye-aluminiyam kunye ne-1538℃yentsimbi).
- Inkqubo yokwenza i-Weld nugget:
- Ukuguqulwa kweplastiki yentsimbi → Ukuxhathisa ubushushu → Isitshizi sesinyithi esinyibilikisiweyo → Isithintelo sentsimbi engamanzi
2. Umgaqo weParameter engundoqo
- Ukukhupha ulawulo lwamaza:
- I-Trapezoidal wave: Ifanelekile{0}}kwizinto zokuqhuba eziphezulu (ubhedu, ialuminiyam)
- I-Square wave: Ifanelekile{0}}kwizinto ezixhathisayo eziphezulu (intsimbi engatyiwa, i-titanium alloy)
- Izinga lokunyuka kwangoku: Ilawulwa kwi-10-50kA / ms ukunqanda i-spatter yezinto
- Ixesha lokukhutshwa: Luhlengahlengiswe ngokweemfuno ze-weld nugget (i-3-5ms yezixhobo ze-aluminium kunye ne-8-12ms yezinto zentsimbi)
3.ITekhnoloji yokuJonga ixesha lokwenyani{1}
- A Hall sensor is used to monitor the current curve, and welding is automatically terminated if the deviation is >8%.
- Umfanekiso we-infrared thermal ubamba intsimi ye-weld nugget yobushushu ukuqinisekisa ukuba ubushushu bendawo engundoqo bufikelela kwi-80% -120% yendawo yokunyibilika kwezinto.
V. Inqanaba lesi-4: Ukubamba uxinzelelo-Umgca wokuGqibela woKhuselo wokuQinisekisa uMgangatho
1. IMetallurgical Action Mechanism
- Ukugcina i-50% -80% yoxinzelelo oluphezulu ukukhuthaza icrystallization yecala lentsimbi engamanzi.
- Ukubuyisela ukuqina kokuqina ngokuguqulwa kweplastiki (imali yembuyekezo imalunga ne-0.02-0.1mm).
2. ISicwangciso sokuSebenza seParameter
- Ukumiselwa kwexesha:
- I-aluminium kunye ne-aluminium alloys: 20-30ms
- Intsimbi yeCarbon: 50-80ms
- Izinto ezigqunyiweyo: Yandiswe ukuya kuthi ga kwi-100ms ukunqanda ukuqhekeka kokutyabeka
- Ijika lokubola koxinzelelo: Ukwamkela imowudi yokubola okubonakalayo ukunqanda ukukrazuka kwe-weld nugget
3. Amanyathelo oThintelo lwesiphene kunye noLawulo
- Ukwehla koxinzelelo ngequbuliso kwinqanaba lokubamba kunokubangela imingxunya yokuncipha, ngoko ke kuyimfuneko ukujonga iringi yesilinda.
- I-sensor ye-displacement ifakwe ukujonga i-workpiece rebound, kwaye i-alamu esemgangathweni iqhutywe ukuba i-rebound idlula i-0.05mm.
VI. Ityala eliSebenzayo leSine-loLawulo lokuSebenzisana lwenqanaba
- Xa welding i-0.8mm i-aluminium alloy tabs, ishishini lebhetri lamandla liphucule izinga lesivuno ukusuka kwi-88% ukuya kwi-96% ngokulungiswa kulandelayo:
- Inqanaba lokutshaja: Ukusetyenziswa rhoqo-imowudi yokutshaja yangoku ukunciphisa ukuhla kwamandla ombane ukusuka ±3% ukuya ±0.8%
- Inqanaba lesicelo soxinzelelo: Ukuphucula inkqubo yoxinzelelo lwe-servo ukufezekisa ukuchaneka kokulawula uxinzelelo lwe-± 1.5N
- Inqanaba lokukhupha: Ukuqwalasela i-adaptive waveform generator ukunciphisa izinga lokutshiza nge-72%
- Inqanaba lokubamba: Ukuphuhlisa{0}inkqubo yokubamba uxinzelelo lwenqanaba lokucutha izinga lokuqhekeka lokuqina libe ngu-zero
- Emva kotshintsho, i-avareji yempazamo yenyanga yokuphumla ngexesha elinyecapacitor ukukhupha indawo welderyancitshiswa ukusuka kwiiyure ze-6.8 ukuya kwiiyure ze-0.5.
VII. Umkhombandlela weTekhnoloji yekamva leEvolution
- Izigaba ezine zolawulo lonxibelelwano: Ukufezekisa{1}}inkqubo epheleleyo yolungiso lweempazamo ngeteknoloji yamawele edijithali
- Usetyenziso lwemathiriyeli ye-Smart: Ii-electrode ze-alloy zememori zemilo zinokuhlawula ngokuzenzekelayo ilahleko yoxinzelelo
- I-Femtosecond{0}}inqanaba lenkqubo yokubeka iliso: Itekhnoloji ye-Terahertz imaging iyakuphucula inkqubo yokubeka iliso echanekileyo kwinqanaba le-0.1ms
Ukuqukumbela
Izigaba ezine welding of thecapacitor ukukhupha indawo welderyenza ikhonkco lolawulo lwenkqubo echanekileyo. Ngokusetyenziswa kokugcinwa kwamandla okuchanekileyo kwinqanaba lokutshaja, ukulungelelaniswa kwe-interface kwinqanaba lesicelo soxinzelelo, ukukhutshwa kwamandla kwinqanaba lokukhupha, kunye nokuqina okuzinzile kwe-weld nugget kwinqanaba lokubamba, amashishini anokuphucula ngokufanelekileyo umgangatho we-welding kunye nokusebenza kakuhle. Ngophuhliso lwetekhnoloji yoluvo olukrelekrele kunye nemathiriyeli emitsha, inqanaba ezine -lolawulo lwentsebenziswano luya kukhuthaza inkqubo ye-capacitor discharge spot welding ukuba ingene kwixesha elitsha "le-microsecond{3}}level precise regulation".
