Isingeniso
Emkhakheni wokukhiqiza okunembayo njengezimoto zamandla amasha kanye nogesi wabathengi, ama-capacitor discharge welder asephenduke into esemqoka yokushisela amashidi ensimbi ngenxa yezici zawo{0}}zokukhipha amandla ngokushesha. Kodwa-ke, inkinga yokuguga okusheshayo kwama-electrode kudala ihlupha ukuphela kokukhiqiza{2}idatha evela ebhizinisini lebhethri le-lithium ibonisa ukuthi ithiphu ye-electrode idinga ukushintshwa ngemva kwesilinganiso sokushisela okungu-8,000, kukhushulwe ngokuqondile izinga lokungasebenzi kwemishini ngo-15%. Lesi sihloko sizocubungula ngokujulile izimbangela zokugqokwa kwama-electrode kumashisela okukhipha i-capacitor futhi siphakamise izixazululo ezihlelekile ezivela kubukhulu besayensi yezinto ezibonakalayo, ukwenziwa ngcono kwenqubo, nokuphathwa kwemishini.
I. Indima Eyinhloko kanye Nezimpawu Zokugqoka ze-Capacitor Discharge Welder Electrodes
- Njengetheminali yokudlulisa amandla ye-capacitor discharge welder, i-electrode yenza imisebenzi emithathu eyinhloko: ukudluliswa kwamanje, ukufaka ingcindezi, nokukhipha ukushisa. Inqubo yokugqoka kwayo ngokuvamile ibonakala kanjena:
- Ukushintsha kwe-morphological: Ububanzi bendawo yokuxhumana bunwebeka ukusuka ku-3mm yokuqala ukuya ngaphezu kuka-5mm, okuholela ekwehleni okungama-30% -50% kokuminyana kwamanje.
- Ukulahlekelwa kwezinto: Ingxube yethusi engaphezulu iyaxebuka ngenxa ye-oxidation, yakhe imigodi engu-0.1-0.3mm.
- Ukuwohloka kokusebenza: Ukumelana nokuxhumana kwandisa izikhathi ezingu-2-3 inani lokuqala, kubangela ukukhubazeka okufana ne-welding spatter kanye ne-welding ebandayo.
- Lesi simo sithinta ngokuqondile ikhwalithi yokushisela nokusebenza kahle kokukhiqiza kwe-capacitor discharge welder, futhi izindleko zokugcinwa kwe-electrode eyodwa zenza cishe amaphesenti angu-40 yenani eliphelele lezindleko zokugcinwa kwemishini.
II. Ukuhlaziywa Kwezimbangela Ezinhlanu Eziyinhloko Zokugqoka Kwe-Electrode Okusheshisiwe
1. Ukukhetha Okungalungile: Ukusebenza Okuyisisekelo Kunquma Isilinganiso Sokugqoka
- Ubulukhuni obanele: Uma ushisela amashidi ensimbi anama-galvanized, ama-electrode ethusi abomvu ajwayelekile (i-HV80) anobunzima obungaphezulu obungakwazi ukumelana nokusabalalisa kongqimba lwe-zinc, okuholela ekunamatheleni okusobala phakathi namahora angu-3.
- I-thermal conductivity engalingani: I-thermal conductivity ye-chromium-zirconium copper (C18150) ingu-319W/m·K, kuyilapho eye-beryllium copper (C17200) ingu-105W/m·K kuphela. Ukuchithwa kokushisa okunganele kwalokhu kwamuva kubangela kalula imifantu yokukhathala okushisayo.
- Ukwehluleka kwama-elementi e-alloying: Uma izinga lokushisa lokusebenza lidlula ama-degree angu-500 , ungqimba lwe-oxide lwe-elementi ye-Cr ku-chromium{1}}i-zirconium copper iyaphuka, futhi ukusebenza kwe-anti{2}}okunamathelayo kwehla kakhulu.
2. Amapharamitha Enqubo Angafani: Amaphutha Ekulawuleni Amandla Acupha Ukusabela Kochungechunge
- Ukuminyana kwamanje okweqile: Uma welding 2mm aluminium ingxubevange, ukulungiselelwa kwamanje kudlula 12kA, okubangela izinga lokushisa kweso of electrode contact surface lidlule 800 degree.
- Ukusetha ingcindezi okungalungile: Uma ingcindezi ingaphansi kuka-400N, ukumelana nokuxhumana kuyanda, kusheshisa ukuhwamuka kwezinto ze-electrode.
- Isikhawu sokupholisa esinganele: Ukupholisa okuphoqelekile akwenziwa kusebenze ngemva kokushisela okungaphezu kuka-200 okulandelanayo, futhi izinga lokushisa le-electrode liqoqana endaweni ebalulekile.
3. Ukukhubazeka Kwesakhiwo Sezisetshenziswa: Idizayini Yemishini Izikhumulo Zemikhumbi Zigqoka Izingozi
- Ukuchezuka kwe-Coaxiality: I-offset emaphakathi yama-electrode angaphezulu naphansi adlula u-0.1mm, okubangela ukugxila kwengcindezi ehlangothini olulodwa.
- Ukushintshashintsha kwengcindezi: The response delay of the pneumatic pressurization system is >20ms, kanye nebanga lokuguquguquka kwengcindezi eguquguqukayo lifinyelela ku-±15%.
- Ishaneli yokukhipha ukushisa evinjiwe: Lapho ububanzi bepayipi-elipholile lamanzi bunjani<6mm, the cooling water flow is less than 3L/min.
4. Umthelela Wezici Zengcezu Yokusebenza: Izinto Ezishiselwe Ziyibhidliza Ama-Electrode Ahlehle
- Ukufuduka kwezinto zokugqoka: Uma ushisela i-nickel-amashidi ensimbi acwecwe, ama-elementi e-nickel asakazekela endaweni ye-electrode emazingeni okushisa aphezulu ukuze kwakhe ungqimba lwe-alloy.
- Ukungcoliswa kwe-oksidi: Ukuqina kwefilimu ye-aluminium alloy surface oxide (Al₂O₃) kufinyelela ku-HV2000, okwenza kube nzima ukulahlekelwa ukungqubuzana kwe-electrode.
- Umehluko ekwandiseni okushisayo: Umehluko kuma-coefficients wokunweba okushisayo phakathi kwama-electrode ethusi nezinto zokusebenza zensimbi engagqwali (17.7 vs 16.5 ppm/℃) kubangela ingcindezi ngezikhathi ezithile.
5. Ukuntuleka Kokusebenza Nokuphathwa Kokunakekelwa: Izici Zomuntu Zikhulisa I-Wear Effect
- Umjikelezo wokugaya ongafanele: Lapho i-electrode surface roughness Ra> 3.2μm, ayigxiliwe ngesikhathi, futhi ukumelana nokuxhumana kukhula ngo-25%.
- Ukungcoliswa okupholile: Uma inani le-pH lingaphandle kwebanga elingu-6.5-8.0, libangela ukugqwala kwe-electrochemical endaweni ye-electrode.
- Ukuqina kwepharamitha eqinile: Amapharamitha awalungiswa ngokuvumelana nomehluko wamaqoqo omsebenzi, okuholela ekusebenzeni okugcwele ngokweqile.
III. Izixazululo Ezihlelekile: Nweba Impilo ye-Electrode kusuka ku-Rot
1. Ukuthuthukiswa Kwezinto Ezibalulekile: I-Electrode Selection Strategy Matching Working Conditions
- Ukusetshenziswa-kwama-alloys aphezulu: I-CuCo2Be (i-beryllium{1}}cobalt cobalt) isetshenziselwa ukushisela insimbi engagqwali, futhi impilo yayo yesevisi yinde ngo-60% kune-chromium{3}}i-zirconium copper.
- Ukwelashwa kokuqinisa ubuso: I-5μm-ewugqinsi we-AlCrN enamathelayo ilungiswa ngokufakwa komhwamuko obonakalayo (PVD), futhi ubulukhuni bukhuphukela ku-HV2800.
- Idizayini eyinhlanganisela ye-Gradient: Yenza ithusi-i-tungsten/ithusi-i-chromium{2}}ama-electrode ayinhlanganisela ye-zirconium (ungqimba olungaphezulu i-CuW80, ungqimba oluphansi lwe-CuCrZr) ukuze ulinganise ukuguquguquka kukagesi kanye nokungagugi.
2. Ukuthuthukisa Inqubo: Sungula Isistimu Yokulawula Ipharamitha Enamandla
- Ukulawula isinyathelo samanje: Setha ingxenye yamanje ehamba kancane engu-10%-ekhuphukayo esigabeni sokuqala sokukhipha se-capacitor discharge welder ukuze unciphise ukushaqeka kokushisa.
- I-Adaptive pressure: Hlomisa ngenzwa ye-ceramic ye-piezoelectric ukuze ukwazi ukumelana nempendulo ngesikhathi sangempela futhi ulungise ingcindezi (ukunemba okungu-±10N).
- Ubuchwepheshe bokupholisa i-Pulse: Jova inkungu ye-nitrogen engama-0.5s ngesikhathi sokushisela ukuze ufinyelele izinga lokupholisa le-millisecond{1}}.
3. Ukuguqulwa Kwezisetshenziswa: Izixazululo Zokuqeda Ukukhubazeka Kwesakhiwo
- Isakhiwo esiqondisayo esinembayo: Engeza umugqa webhodi lokuqondisa iphutha ukuze ulawule iphutha le-coaxiality ngaphakathi kuka-0.02mm.
- Isistimu yokupholisa-kabili: Isifunda esikhulu samanzi sinesibopho sokupholisa induku ye-electrode (izinga lokugeleza 8L / min), futhi isifunda samanzi asizayo sigxile ekupholiseni ubuso bokuphela.
- Ukujikeleza kwe-electrode okuzenzakalelayo: Zungezisa i-electrode ngamadigri angu-15 njalo ngama-weld angu-500 ukuze usabalalise ngokulinganayo indawo yokuguga.
4. Imininingwane Yokusebenza Nokunakekela:-Isistimu Yokulawula Umjikelezo Wempilo Egcwele
- Uhlelo lokulondoloza oluvimbelayo:
- Ukuhlola kwansuku zonke: Qalisa isexwayiso sangaphambi kwesikhathi lapho uguquko lobubanzi be-electrode ludlula u-0.1mm.
- Ukunakekelwa kwamasonto onke: Sebenzisa amasondo okugaya idayimane anezikhala ezingu-800 ukuze ugaye indawo.
- Ukulinganisa kwanyanga zonke: Sebenzisa-i-ohmmeter encane ukuze uthole izinga lokushintsha kokumelana nokuxhumana.
- Ipulatifomu yokuqapha yedijithali: Qoqa amapharamitha ayi-12 afana nezinga lokushisa le-electrode kanye nejika lokucindezela kwe-low energy capacitor discharge weldingimishini nge-inthanethi Yezimboni Yezinto, futhi ikhiqize ngokuzenzakalelayo iziphakamiso zokulungisa.
IV. Icala Elijwayelekile: Imiphumela Esebenzayo Yebhizinisi Lezingxenye Ezizenzakalelayo
- Lapho ibhizinisi lishisela amashidi ensimbi angu-1.5mm, ukuphila kwama-electrode kwakungamashiseli angu-6,000 kuphela. Impilo yesevisi yanwetshwa yaba yi-18,000 welds ngokuthuthuka okulandelayo:
- Miselela okokusebenza kwe-electrode nge-CuAlNi (ithusi-i-aluminium-i-nickel alloy), okwandisa ukuqina kwe-thermal ngo-40%.
- Faka uhlelo lokuhlola olubonakalayo ku-low energy capacitor discharge weldingimishini yokulungisa isikhundla se-electrode centering ngesikhathi sangempela.
- Yakha ukucaciswa kokusebenza kwesikhashana "kwe-300 welds + 2s ukupholisa i-aerosol".
- Ngemva koshintsho,-ukukhishwa kweshift eyodwa kukhuphuke ngo-25%, futhi izindleko zonyaka zokuthenga ama-electrode zehliswe ngamayuan angu-520,000.
V. Outlook on Future Technologies
- Ama-electrode ahlakaniphile: Ama-electrode ezinzwayo-ahlanganiswe nezinzwa zokushisa nengcindezi azokwenziwa maduzane{1}}akhiqizwe, angaxwayisa ngezingozi zokwehluleka okungu-300ms kusengaphambili.
- Ubuchwepheshe be-Nanostructuring: I-Carbon nanotube-ithusi eliqinisiwe{1}}izinto eziyinhlanganisela esekwe kungene esigabeni sokuhlola, futhi impilo yazo yesevisi yasetiyetha iphindwe izikhathi ezingu-5 kunezinto ezivamile.
- Isistimu yokupholisa i-hydrogen: Yenza isixazululo esisha sokupholisa usebenzisa i-thermal conductivity ephezulu ye-hydrogen, okulindeleke ukuthi inciphise izinga lokushisa lokusebenza kwama-electrode ngama-30%.
Isiphetho
Ingqikithi yokugqoka kwe-electrode esheshayo kuma-welders akhipha i-capacitor kuwumphumela wesenzo esihlanganisiwe samandla, izinto zokwakha, nokucindezeleka kwemishini. Ngokusebenzisana-nobukhulu obune bokuqamba izinto ezintsha ezihambisana nezimfuneko zesimo sokusebenza, ukuthuthukiswa okunamandla kwamapharamitha enqubo, ukuguqulwa okunembayo kwesakhiwo samathuluzi, nokuthuthukiswa kwedijithali kokusebenza nokuphathwa kokulungiswa, amabhizinisi anganweba kakhulu impilo yesevisi yama-electrode. Ngokuthuthuka kwezinto ezintsha kanye nobuchwepheshe bokuqapha obuhlakaniphile, izindleko zokugcinwa kwama-electrode zelow energy capacitor discharge weldingokokusebenza kulindeleke ukuthi kwehle ngomunye u-60%, okudala inani elikhulu-lenkambu yokushisela enembayo.
