Kwimveliso yanamhlanje,I-Capacitor Discharge WeldingYeyona teknoloji ikhethwayo yokudibanisa amaphepha abhityileyo, iintsimbi ezingafaniyo, kunye nezinto ezichanekileyo. Olu khetho luvela kumandla aphezulu eCapacitor Discharge Welding-, ukukhutshwa ngoko nangoko, ubushushu obuncinci{2}}indawo echaphazelekileyo (HAZ), kunye nokusebenza kakuhle kwamandla. Nangona kunjalo, ukungonelanga kwamandla e-weld ngumceli mngeni oqhubekayo kubavelisi abaninzi, okuchaphazela ngokuthe ngqo umgangatho wemveliso kwaye kunokukhokelela kwiingozi ezinzulu zokhuseleko.
Eli nqaku libonelela ngo{0}}uhlalutyo olunzulu lwezizathu ezintlanu zokomelela kweCD okulambathayo. Ukudibanisa idatha yoshishino olugunyazisiweyo kunye namava asebenzayo, sinikezela ngesicwangciso esicwangcisiweyo, esisebenzayo sokwenziwa kweparameter kunye nokugcinwa kwezixhobo zokukunceda ufezekise iiwelds ezinamandla, ezithandekayo, kunye nezigqibeleleyo.
I. Imigaqo ye-CD Welding kunye ne-Key Weld Strength Metrics
Ingundoqo ye-CD welding ilele ekukhutshweni kwangoko kwe-capacitor. Amandla agcinwa-ngokutshaja kwangaphambili-i-capacitor enkulu kwaye emva koko akhutshelwe kwindawo yoqhagamshelwano lweworkpiece ngexesha elifutshane kakhulu (ngokuqhelekileyo 3 ukuya 10 millisecond). Oku kuvelisa umsinga omkhulu wangoku kunye nobushushu, ukwenza i-weld nugget.
- Ifomula yokubala amandla:
Amandla e-welding $ E $ (iJoules) ye-CD welder inqunywe yi-capacitance $ C $ (Farads) kunye ne-voltage yokutshaja i-$ V $ (iVolts):
E=\\frac{1}{2}CV^2
Kucacile ukuba i-voltage inefuthe eliphindwe kabini kumandla we-welding, iyenza ibe yeyona nto ibaluleke kakhulu ekulawuleni amandla e-weld.
- Ubungakanani be-Weld Nugget:
Amandla e-Weld axhomekeke ikakhulu kubungakanani besiphumo se-Weld Nugget. Imigangatho yeshishini kunye nemithetho esebenzayo ifuna idiameter ye-nugget ye-$d$ ukuhlangabezana nale fomula yobungqina bokuqinisekisa amandla aneleyo:
d \\ malunga (4 \\ sim 5) \\ sqrt {t}
Apho i-$ t $ bubunzima be-workpiece encinci (kwi-mm). Ukuba i-diameter ye-nugget yokwenyani incinci kunomgangatho, amandla e-weld ngokuqinisekileyo aya kuba anele.
II. -Uhlalutyo olunzulu lweZisusa eziNto eziHlanu zoBubuthathaka beWeld
Amandla e-weld aneleyo awabangelwa yinto enye kodwa sisiphumo semiba edibeneyo kwiiparamitha ze-welding, imeko yesixhobo, kunye nokulungiswa kwe-workpiece.
1. Ukudibanisa iParameter ye-Welding engafanelekanga: Ukungalungelelani kwamandla kunye namandla
Iiparamitha ze-Welding zinquma ngokuthe ngqo ukubunjwa kunye nobukhulu be-weld nugget. Nakuphi na ukuphambuka kweparameter kunokukhokelela ekugqithiseni amandla angasebenziyo okanye ubungakanani be-nugget obuphantsi.
- Anelanga ngoku (Amandla):Ukuba i-voltage yokutshaja isetelwe phantsi kakhulu, amandla akhutshiweyo i-$E$ ayanelanga. Intsimbi ayinakunyibilika ngokupheleleyo, ikhokelela kwi-weld nugget encinci kwaye kunokwenzeka ukuba "akunakunyibilika{1}}kunganyibiliki" okanye isiphene se weld ebandayo.
- Ixesha lokukhupha lifutshane kakhulu:Ukumiselwa kwexesha elingafanelekanga kunokuthintela ukuqokelelwa kobushushu okwaneleyo kwindawo yoqhagamshelwano. Ukukhutshwa kuphelile ngaphambi kokuba isinyithi sifikelele kwindawo efanelekileyo yokunyibilika.
- Amandla oMbane ongekho ngqiqweni:Amandla amancinci kakhulu akhokelela ekuchaseni uqhagamshelwano oluphezulu, olunokubangela ukutshiza kunye nokutshisa umphezulu. Ngokuchasene noko, amandla agqithisileyo anciphisa ngokukhawuleza ukuchasana noqhagamshelwano, okukhokelela ekuveliseni ubushushu obunganelanga, okuthintela ukubunjwa kwe-nugget.
2. IMeko ye-Electrode engalunganga: IBottleneck yokuTshintshela amandla
I-electrode iyona nto ingundoqo yokudluliselwa kwamandla, kwaye imeko yayo ichaphazela ngokuthe ngqo ukuxinana kwangoku kunye nokufana kokuhanjiswa kwamandla.
- Ukunxiba kunye noTshintsho:Ukusetyenziswa kwexesha elide{0}}kubangela ukuba incam ye-electrode iguge kwaye i-diameter inyuke. Njengoko indawo yoqhagamshelwano ye-electrode ikhula, ukuxinana kwangoku kwehla ngokukhawuleza, okukhokelela ekushiseni okwaneleyo kwindawo nganye yeyunithi kunye nokungaphumeleli ukwenza i-weld nugget esebenzayo.
- I-oxidation kunye nokuNgcono:Ukuba i-electrode surface i-oxidized okanye ihlanjululwe ngeoli, inyusa kakhulu ukuchasana noqhagamshelwano. Oku kubangela ukuba ubushushu bugxile kwindawo{1}ezingeyiyo i-weld phakathi kwe-electrode kunye nesixhobo sokusebenza, ukunciphisa ukusebenza kakuhle kwe-welding kwaye okunokubangela ukutshiza kokuqala.
- Ukusilela kweNkqubo yokuPholisa:Nangona ixesha elifutshane lokukhupha, i-electrodes ifuna ukupholisa okusebenzayo. Ukuba inkqubo yokupholisa amanzi ivaliwe okanye isantya sokuhamba asanelanga (ukuhamba okuqhelekileyo okucetyiswayo ngu-4-6 L / min), ukushisa kwe-electrode kuya kunyuka, ukukhawuleza ukuguga kunye nokuguqulwa, kunye nokunciphisa ukuphindaphinda kwe-weld.
3. Ukungonelanga koLungiso loMphezulu woMsebenzi: Isigqubuthelo sangoku sangoku
Ukucoceka komphezulu weworkpiece yimfuneko yokuwelda ngempumelelo. Naluphi na ungcoliseko olungaphezulu lunokuthintela ukuhamba kwangoku.
- Iileya zeOksidi:Ngokukodwa xa udiza izixhobo eziqhuba kakhulu ezifana ne-aluminiyam okanye ubhedu, umaleko we-oxide ongaphezulu unokumelana okuphezulu kakhulu kunesiseko sesinyithi. Umaleko oshinyeneyo weoksidi usasaza ikhoyo ngoku, ukuthintela ukugxininiswa kwamandla kwaye kukhokelela kwiiwelds ezibandayo okanye i-welds yobuxoki.
- I-oyile kunye nomhlwa:I-oyile engaphezulu kunye nomhlwa zenza ukuxhathisa okungazinzanga, okubangela ukuveliswa kobushushu obungalinganiyo kunye nokusabalalisa ngexesha le-welding. Lo ngunobangela oqhelekileyo wokutshiza kunye namanqaku e-weld abuthathaka.
4. Ukungazinzi kweNkqubo yeZixhobo: Ukuguquguquka kweziphumo
I-Capacitor Discharge welders ifuna uzinzo oluphezulu kakhulu kwizinto zangaphakathi. Ukugcinwa okungonelanga kukhokelela ekuthotyweni kwenkqubo, okuchaphazela ukuphindaphindwa komgangatho we-weld.
- Ukuguga kwe-Capacitor: Ukusebenza ixesha elide kubangela ukuba umthamo we-capacitor $ C $ unciphise. Ngokusekelwe kwifomula ye-$ E=\\ frac{1}{2}CV^2$, ukuhla kwi-$C $ ngokuthe ngqo kubangela ukungonelanga kwamandla okukhupha, okukhokelela ekunciphiseni amandla e-weld nokuba i-voltage $ V $ ihlala ingatshintshi.
- I-Pneumatic System Fluctuation: Uxinzelelo lomoya olungazinzanga luchaphazela ngokuthe ngqo amandla e-electrode. Ukuba uxinzelelo luyaguquguquka, amandla e-welding nawo aya kuguquguquka, abangele ukuxhathisa okungahambelaniyo kunye nokuveliswa kobushushu nge-weld nganye, okukhokelela ekuphindaphindeni kwamandla e-weld.
5. Imiba yokuLungisa kunye noLungelelwaniso: -Uqhagamshelwano olufanayo
Kwi-welding yeprojekti (efana ne-nut welding), ukuchaneka kokulungelelaniswa kwe-workpiece kunye ne-electrode, kunye nokuqina kokulungiswa, kubalulekile.
- {{0}IiNdawo zoQhagamshelwano eziFanayo:Ukuba uqikelelo aluqhagamshelani nomsebenzisi ngokufanayo, umsinga uya kugxila kuphela kwiingqikelelo ezimbalwa. Oku kubangela ukutshisa okugqithisileyo kwendawo kunye ne-spatter yokugqibela, ngelixa ezinye iingqikelelo zisilela ukwenza i-weld nugget esebenzayo ngenxa yokungonelanga kwamandla.
- Ukuvala okanye iiSekethe eziMfutshane:Ukuhla kwe-insulation resistance ye-fixture okanye i-electrode holder kunokubangela ukutshatyalaliswa kwangoku okanye iisekethe ezimfutshane zendawo, ukunciphisa umbane osebenzayo ohamba kwindawo ye-weld kwaye ngaloo ndlela unciphisa amandla e-weld.
III. UkuPhuculwa kweParameter kunye noBuchule bokuLondoloza okuSebenzayo
Ukusombulula ngokupheleleyo ubuthathaka beCapacitor Discharge weld weld, ulawulo olucwangcisiweyo kunye nomgangatho osemgangathweni kufuneka luphunyezwe.
1. Ukuhambelana kweParameter echanekileyo: Ukuseka iShedyuli ye-Welding
"Akukho -ubungakanani{1}}bungena{2}}bonke ipharamitha." Ishedyuli ye-welding ephuculweyo kufuneka isekwe kwizinto ezahlukeneyo kunye nobukhulu.
| Isiqalelo sokuSebenzisa | Isicwangciso kunye neNgcebiso | UGunyaziso lweDatha yeReferensi |
| I-Welding Voltage (V) | Lungisa ngokusekelwe kubukhulu bomsebenzi kunye nokuhanjiswa kwezinto. Le yindlela ephambili yokulawula amandla i-$E $. | Amandla e-Welding $ E $ alingana ne-$ V^2 $; uhlengahlengiso oluncinci lunempembelelo enkulu. |
| Amandla e-Electrode (P) | Qinisekisa ukuguqulwa kweplastiki okwaneleyo ngelixa unqanda ukuxhathisa ukudibanisa ekubeni sezantsi kakhulu. Amaphepha amancinci afuna ixesha eliphantsi langoku + ixesha elide lokukhutshwa; amashiti ashinyeneyo afuna langoku eliphezulu + amandla aphezulu. | Amandla acetyiswayo kwi-lithium yebhetri ye-nickel strip welding: 35 PSI ukuya kwi-95 PSI. |
| Ixesha lokukhupha (t) | Qinisekisa ixesha elaneleyo lokuqokelela ubushushu ukwenza i-nugget, kodwa uthintele ixesha elininzi elikhokelela kwisitshizi. | Ixesha eliqhelekileyo lokukhupha i-CD weld: 3 ms ~ 10 ms. |
| Nugget Diameter (d) | Qinisekisa ngokusebenzisa iiwelds zovavanyo ukuba i-nugget yediameter $d$ ihlangabezana neemfuno eziqhelekileyo $d \\ malunga (4 \\ sim 5) \\ sqrt{t} $. | Ukuba ububanzi be-nugget bungaphantsi kwe-80% yomgangatho, amandla e-weld aya kuhla ngokukhawuleza. |
2. UkuLondolozwa kweNkqubo ye-Electrode: Ukuqinisekisa ukuThuthwa koMbane ngokuLungileyo
Ukugcinwa kwe-electrode yesiqhelo ngundoqo ekuqinisekiseni ukuphindaphinda umgangatho we-weld.
- Ukunxiba rhoqo kunye noTshintsho:Jonga ngokungqongqo ukunxiba kwencam ye-electrode. Xa i-diameter ye-electrode inxiba ngaphaya kwe-15% ukuya kwi-20% yobukhulu bayo bokuqala, kufuneka inxibe okanye itshintshwe. Ukunxiba kufuneka kugcine imilo echanekileyo kunye ne-angle yobuso be-electrode.
- Ukucoca kunye nokuchasana{0}}ne-Oxidation:Coca umphezulu we-electrode ukususa i-oksidi kunye nezinto ezingcolisayo ngaphambi kweshifti nganye okanye emva kwexesha elongeziweyo lokuphumla. Ngamanzi-i-electrode ezipholileyo, jonga rhoqo kwaye ucoce amajelo okupholisa, uqinisekise ukuba ubushushu bamanzi abudluli kwi-30℃ukugcina ubulukhuni be-electrode kunye nokuhamba kakuhle.
3. I-Workpiece-Phambi koNyango: Ukuphelisa iiNgozi zeWelding
Unyango lwangaphambili- lusisiseko sokuphucula izinga lempumelelo yewelding kunye nozinzo.
- Ukunciphisa ngokucokisekileyo:Sebenzisa i-degreasers yobuchwephesha okanye ukucocwa kwe-ultrasonic ukuqinisekisa ukuba indawo ye-weld ayinayo intsalela yeoli.
- Ukususwa kweoksidi:Kwimathiriyeli efakwa ioksijini ngokulula njengealuminiyam kunye nobhedu, sebenzisa i-abrasion yomatshini (umzekelo, i-sandpaper, ibhrashi yocingo) okanye ukucholwa kweekhemikhali ukususa umaleko weoksidi ongaphezulu phambi kokuwelda. Ngokufanelekileyo, ukuwelda kufuneka kugqitywe kwiiyure ezi-4 zonyango ukunqanda kwakhona{4}}i-oxidation.
4. Izixhobo kunye noLawulo lweNkqubo: Ukuphumelela{1}}Uzinzo lweXesha elide
Ukuseka izixhobo ezibanzi zokubeka iliso kunye nenkqubo yolawulo lwenkqubo ngundoqo ekuphumezeni{0}}amandla aphezulu,{1}}okuhambelana kwe welds.
- Ulungelelwaniso lwamaxesha:Ukuqhuba ulungelelwaniso lobungcali lwe-CD capacitor, i-transformer, kunye ne-pneumatic system ubuncinane kanye ngonyaka. Gxininisa ekubekeni iliso kumthamo wangempela $C $ we-capacitor ukuqinisekisa ukuthotywa kwayo kuluhlu olwamkelekileyo.
- Ixesha lokwenene-lokujongwa kunye neeAlam:Sebenzisa inkqubo yokuhlola ekrelekrele ukuqokelela idatha yokwenyani{0}}yexesha kumbane, incopho yangoku, kunye namandla e-electrode ngexesha lenkqubo ye-welding. Ukuba idatha itenxile ngaphandle koluhlu lonyamezelo olusetwe kwangaphambili ±5%, inkqubo kufuneka ivuse ngokuzenzekelayo okanye ivale ukuthintela ukuveliswa kwenxalenye{3}}engahambelaniyo.
- UQeqesho lomSebenzi olusemgangathweni:Ukuphucula ukuqonda kwabaqhubi imigaqo ye-CD welding, iparameter adjustment logic, kunye nezakhono eziqhelekileyo zokusombulula ingxaki, ukuguqula "amava{0}esekelwe ekusebenzeni" abe "yinkqubo esemgangathweni."
Ukuqukumbela
Umba wamandla e-CD welder ebuthathaka ngokusisiseko sisiphumo sokungalingani phakathi kwegalelo lamandla, ukusebenza kakuhle kodluliselo, kunye nolungiselelo lweworkpiece. Ngokuthelekisa ngokuchanekileyo iparameters zewelding (ingakumbi ivoltheji kunye namandla), ngokungqongqo ukubambelela kwimigangatho yokugcinwa kwe-electrode (ukulawula ukunxiba kunye nokupholisa), kunye nokuphucula inkqubo yonyango yangaphambili, abavelisi banokuphucula ngokubonakalayo uzinzo lwe-welding kunye namandla okugqibela e-weld. Iinkampani kufuneka zidibanise ezi zicwangciso zokuphucula kulawulo lwazo lwemveliso yemihla ngemihla ukuqinisekisa umgangatho wemveliso kunye nokufezekisa ngokufanelekileyo, okuthembekileyo kwe-CD welding.
