Gabatarwa
A cikin manyan filayen masana'antu na ƙarshe{{0} kamar na'urorin baturi mai ƙarfi da daidaitattun abubuwan haɗin sararin samaniya, dacapacitor fitarwa tabo waldaya zama ainihin kayan aiki don haɗakar da siriri na ƙarfe saboda millisecond{0}}madaidaicin sakin ƙarfin kuzari da shigar da zafin walda mai iya sarrafa shi. Bayanai sun nuna cewa kamfanonin da ke ƙware fasahar sarrafa matakai huɗu na tsarin walda gabaɗaya suna da yawan amfanin ƙasa 12%{6}}15% sama da matsakaicin masana'antu. Wannan labarin zai samar da wani zurfin bincike na hudu key waldi matakai nacapacitor fitarwa tabo walda, bayyanar da mahimman tsari da dabarun sarrafa ingancin kowane mataki.
I. The Logic Behind Stage Division a cikin Capacitor Discharge Spot Welding Process
- Banbanta da waldar juriya ta al'ada, walda mai fitar da capacitor yana samun fitarwa nan take ta hanyar adana makamashin lantarki a bankin capacitor. Za'a iya raba zagayen walda ɗin sa zuwa matakai huɗu:
- Matsakaicin Caji -?(0.5-3 seconds): Gina tushen tanadin makamashi.
- Matsayin Matsi na Electrode?(10-50ms): Ƙirƙirar ingantaccen hanyar sadarwa.
- Matakin Fitar da bugun bugun jini?(3-15ms): Jagoranci sakin makamashi don samar da nutmeg.
- Matsayin Riƙe Matsi?(20-100ms): Nugget ƙarfafawa da sakin damuwa.
- Waɗannan matakai guda huɗu suna hulɗa don haɗin gwiwa don ƙayyade ingancin walda da ingancin kayan aiki. Gwaje-gwajen da kamfanin kera ke yi ya nuna cewa inganta sigogi a cikin waɗannan matakai guda huɗu na iya rage lokacin walda guda ɗaya{1} da kashi 25% kuma ya tsawaita rayuwar lantarki da kashi 40%.
II. Mataki na daya: Capacitor Pre{1} caji - Madaidaicin Sarrafa Ƙarfafa Makamashi
1. Ƙa'idar Fasaha da Saitin Siga
- Thecapacitor fitarwa tabo waldayana jujjuya AC zuwa DC ta hanyar mai gyarawa, yana cajin ma'aunin capacitor zuwa saitin ƙarfin lantarki (yawanci 300-800V).
- Tsarin cajin makamashi: E=12CV2E=21CV2 (Inda C ke da ƙarfin aiki a cikin F, V yana cajin ƙarfin lantarki).
2. Maɓalli Mai Kulawa
- Kwanciyar wutar lantarki: Dole ne a sarrafa jujjuyawar cikin ± 1.5% don guje wa bambance-bambancen walda na batch.
- Gudun caji: Yin amfani da fasaha mai saurin sauyawa na IGBT don matsa lokacin caji daga daƙiƙa 3 zuwa 0.8 seconds.
- Matching Capacity: Zaɓi saitin bankin capacitor dangane da kauri (misali, 12kJ don takardar aluminum 0.5mm, 28kJ don takardar karfe 1.2mm).
3. Matsalolin gama gari da matakan magancewa
- Ƙararrawar Ƙarfin wutar lantarki?: Bincika idan diodes module ɗin gyara sun lalace.
- Jinkirin caji?: Tsaftace tashoshin banki capacitor don tabbatar da juriyar lamba<0.1Ω.
III. Mataki na Biyu: Matsi na Electrode - Maɓallin Maɓalli don Ƙirƙirar Mu'amala
1. Injiniya Aiki Mechanism
- Aiwatar da matsa lamba 400-1500N ta hanyar servo motor ko na'urar huhu don kawar da rashin daidaituwa a kan filaye masu aiki.
- Ƙididdigar ƙididdiga ta lamba: Rc{0}}KPRc=P (K shine madaidaicin abu, P shine matsa lamba na lantarki).
2. Matsalolin Kula da Tsari
- Sarrafa gradient matsi: Yi amfani da matsa lamba uku - (pre{1}}matsi 50ms → babban matsi 20ms → daidaitawa mai kyau 5ms).
- Coaxiality calibration: Yi amfani da kayan aikin jeri na Laser don tabbatar da karkatar da lantarki na sama da ƙasa<0.03mm.
- Haɓaka amsa mai ƙarfi?: Buƙatun lokacin amsawar tsarin huhu<15ms to avoid pressure oscillation.
3. Gargaɗi na Lalacewar inganci
- Pressure fluctuation >± 5% yayin matakin matsa lamba na iya nuna yatsan hanyar iska ko lalacewa mai jagora.
IV. Mataki na Uku: Fitar da bugun jini - Wasan Millisecond na Sakin Makamashi
1. Tsarin Jiki na Karan gani
- Fitar da yawa na yanzu ya kai 2000-5000A/mm², nan take dumama fuskar lamba zuwa wurin narkewar kayan (digiri na Aluminum 660, Digiri 1538 Karfe).
- Tsarin samuwar Nugget: Nakasar filastik ƙarfe → Tarin zafi mai jurewa → Rufewar ƙarfe → Ƙarfe mai ƙarancin ruwa.
2. Madaidaicin Ma'auni
- Ikon sarrafa igiyar igiyar ruwa:
- Trapezoidal kalaman: Dace da high conductivity kayan (tagulla, aluminum).
- Square kalaman: Dace da high juriya kayan (bakin karfe, titanium gami).
- Ƙimar haɓaka na yanzu?: Sarrafa a 10-50kA/ms don kauce wa fantsama abu.
- Lokacin fitarwa?: Daidaita bisa buƙatun nugget (3-5ms don aluminum, 8-12ms don ƙarfe).
3. Fasahar Sa Ido ta gaske - lokaci
- Use Hall sensors to monitor current curve; automatically terminate welding if deviation >8%.
- Yi amfani da masu ɗaukar hoto na infrared don ɗaukar filin zafin jiki na nugget, tabbatar da ainihin zafin yankin ya kai 80% -120% na wurin narkewar kayan.
V. Mataki na hudu: Riƙe Matsi - Layin Ƙarshe na Tsaro don Ƙarfafa Inganci
1. Metallurgical Mechanism
- Kula da 50% -80% na matsin lamba don haɓaka ƙirar kwatance na ƙarfe na ruwa.
- Ramuwa don ƙaddamarwa mai ƙarfi ta hanyar lalata filastik ( adadin diyya ~ 0.02-0.1mm).
2. Dabarun Inganta Siga
- Saitin lokaci:
- Aluminum & gami: 20-30ms
- Karfe Karfe: 50-80ms
- Abubuwan da aka rufa: Ƙaddara zuwa 100ms don hana fashewar shafi.
- Lanƙwan ɓarna matsi?: Yi amfani da yanayin ɓarna mai ma'ana don guje wa tsagewa.
3. Hanyoyin Kariya
- Sautin matsa lamba kwatsam yayin matakin riƙewa na iya haifar da raguwar cavities; duba silinda like.
- Ƙara na'urori masu auna matsuguni don saka idanu kan sake dawowa aikin aiki; kunna ƙararrawa mai inganci idan ya wuce 0.05mm.
VI. Shari'ar Aiki ta Hudu -Sanarwa 协同 Sarrafa
- Kamfanin batirin wutar lantarki ya sami karuwar yawan amfanin ƙasa daga 88% zuwa 96% lokacin walda 0.8mm alloy tabs ta hanyar ingantawa masu zuwa:
- Matsayin caji: Yanayin caji akai-akai, yana rage sauyin wutar lantarki daga ± 3% zuwa ± 0.8%.
- Matakin matsa lamba: Haɓakawa zuwa tsarin matsi na servo, cimma daidaiton sarrafa matsa lamba na ± 1.5N.
- Matakin fitarwa: Haɓaka janareta na ƙwaƙƙwaran igiyar ruwa, yana rage yawan spatter da kashi 72%.
- Rike mataki: Ƙirƙirar shirin riƙe matsi guda biyu{0}, yana rage ƙaƙƙarfan faɗuwar faɗuwa zuwa sifili.
- Bayan canji, matsakaita na kowane wata 故障 (rashin kasawa) a kowane watacapacitor fitarwa tabo waldaya rage daga 6.8 hours zuwa 0.5 hours.
VII. Jagoran Juyin Juyin Fasaha na gaba
- Hudu - sarrafawar haɗin kai?: Cimma cikakken{1}}tsarin aiwatarwa ta hanyar fasahar tagwayen dijital.
- Smart abu aikace-aikace?: Siffar žwažwalwar ajiya alloy lantarki na iya ramawa ta atomatik don asarar matsa lamba.
- Femtosecond{0}}tsarin sa ido matakin?: Fasahar hoto ta Terahertz za ta inganta daidaiton tsari zuwa matakin 0.1ms.
Kammalawa
The hudu waldi matakai nacapacitor fitarwa tabo waldasamar da daidaitaccen sarkar sarrafa tsari. Ta hanyar ingantaccen tanadin makamashi a cikin matakin caji, haɓaka keɓancewa a cikin matakin matsa lamba, ƙaddamar da sakin makamashi a cikin matakin fitarwa, da kwanciyar hankali na nugget a matakin riƙewa, kamfanoni na iya haɓaka ingancin walda da inganci cikin tsari. Tare da haɓaka fasaha mai wayo da sabbin kayayyaki, sarrafawa guda huɗu-stage协同 zai tura fasahar waldawa ta capacitor zuwa wani sabon zamani na "madaidaicin matakin microsecond{3}."
