Kwimizi-mveliso yanamhlanje, ngakumbi kumacandelo afana neemoto, i-aerospace, kunye ne-elektroniki echanekileyo, iumatshini wokuwelda indawosisixhobo esibalulekileyo sokuqinisekisa umgangatho wemveliso, ngenxa yeenzuzo zayo ekusebenzeni okuphezulu, ukonga amandla, kunye nomgangatho we-weld ozinzile.
Nangona kunjalo, nawuphi na umatshini ochanekileyo usemngciphekweni wokuba neempazamo ngexesha-lokusebenza ixesha elide. Ukuqonda indlela ecwangcisiweyo nesebenzayo yokucombulula iingxaki kubalulekile ekucutheni ixesha lokuphumla kunye nokomeleza imveliso esebenzayo.
Eli nqaku libonelela ngo{0}}uhlalutyo olunzulu lwezona mpazamo zintandathu zixhaphakileyo ze-MFDC ze-welder, inikezela ngeenkcukacha, amanyathelo okusombulula ingxaki kunye neentshukumo zolungiso ukunceda abaqhubi kunye neenjineli zolondolozo ngokukhawuleza ukuchonga nokusombulula imiba.
I. MFDC Spot Welder Fault Quick Reference Table
Ukuququzelela ukuchongwa kwengxaki ngokukhawuleza, kuqala sinikezela ngetheyibhile yereferensi ekhawulezayo eshwankathela ezona mpazamo zingundoqo, oonobangela abaqhelekileyo, kunye nezisombululo ezicetyiswayo.
| I-Fault Fenomenon | Oonobangela abaqhelekileyo | Ukucombulula iNgxaki eKhawulezayo kunye neZenzo zokuLungisa | |
| 1 | UkuKhanya kweSalathi sombane esingaqhelekanga | Ukuhla kwamandla ombane amakhulu, -ilahleko yezigaba ezithathu, okanye ukungalingani okukhulu. | Linganisa-isigaba sombane esithathu ukuqinisekisa uzinzo ngaphakathi kwe-380V ±10%. Khangela iitheminali zokufaka kunye nee-breaker circuit. |
| 2 | Umlandeli awujikijeli/ uKhanya lwesalathisi | Ukupholisa umonakalo wefeni, ukusilela kwamandla efeni, okanye ilahleko yesigaba kunikezelo lwamandla. | Khangela ukuba ifeni ixingile okanye yonakele. Ukulinganisa umbane wobonelelo ngefeni. Ukuba ifeni inempazamo, yibuyisele kwangoko. |
| 3 | UkuKhanya kweSalathi soBuqondo obungaqhelekanga | Ukusebenza okugqithisileyo (Umjikelo woMsebenzi ugqithiwe), ukuhamba kwamanzi okupholisa okunganelanga, okanye ukufudumeza kwemodyuli ye-IGBT. | Misa kwangoko ukuwelda kwaye uqhube umatshini ungasebenzi ukuze uphole. Khangela imiqobo kwisekethe yamanzi. Lungisa iiparamitha ze-welding ukuqinisekisa ukuba umjikelo womsebenzi ufezekisiwe. |
| 4 | Isalathisi Sangoku esingaqhelekanga siKhanya | I-overcurrent ngokukhawuleza (isiphaluka esifutshane) okanye umthwalo oqhubekayo; Umjikelo we-overcurrent wokukhusela ubuthathaka kakhulu. | Jonga isekethe yesibini kwiisekethe ezimfutshane. Ukuba i-alamu iqala xa ingasebenzi, zama ukulungelelanisa umda wokukhusela kwibhodi yokulawula okanye utshintshe ibhodi. |
| 5 | Akukho Mboniso kwi-Startup / Akukho Spark ngexesha le-Welding | Ukungaphumeleli kwamandla, i-fuse evuthelweyo, impazamo yokulawula isiphaluka (Akukho Mboniso); iiparameters ze-welding ezingalunganga, i-electrode egugileyo (Akukho Spark). | Jonga iintambo zamandla, iswitshi engundoqo, kwaye ubeke endaweni yefuse ngengcaciso efanayo. Qinisekisa i-welding yangoku, ixesha, kunye nezicwangciso zoxinzelelo. |
| 6 | I-Weld Spatter egqithisileyo / Isixhobo sokusebenza esitshisiweyo | I-Welding yangoku iphezulu kakhulu, uxinzelelo lwe-electrode olunganelanga, okanye ungcoliseko kumphezulu we-electrode. | Ukunciphisa i-welding current kwaye ukwandise uxinzelelo lwe-electrode. Coca okanye unxibe i-electrode ukuze uqinisekise unxibelelwano oluhle kunye nomsebenzi. |
II. -UJoliso lweNgxaki nobunzulu kunye neSisombululo seempazamo ezintandathu eziqhelekileyo
Impazamo yoku-1: Isalathisi sombane esingaqhelekanga siKhanya (uMba weNkqubo yokuNikezelwa koMbane)
Phenomenon Analysis: MFDC spot welders zifuna{0}}umgangatho ophezulu wokufaka amandla. Xa isalathisi sombane esingaqhelekanga sikhanyisa, oko kuthetha ukuba amandla ombane angaphandle koluhlu oluvumelekileyo (ubukhulu becala ± 10% ye-380V) okanye kukho ukungalingani kwesigaba esithathu okanye ilahleko yesigaba. Ezintathu - ukungalingani kombane wesigaba ngokuthe ngqo kukhokelela ekuhanjisweni kokungalingani kwangoku kwiimodyuli ze-IGBT, kunye nokusebenza ixesha elide phantsi kwezi meko kuya kunciphisa kakhulu ubomi be-IGBT.
Amanyathelo okusombulula ingxaki:
1.Ukuhlolwa okubonakalayo: Hlola iintambo zamandla ngomonakalo, ukudibanisa ukukhululeka, kunye ne-breaker circuit main for tripping.
2.Umlinganiselo ochanekileyo: Sebenzisa i-multimeter echanekileyo-echanekileyo okanye{2}}isigaba se-voltmeter yesigaba sesithathu ukulinganisa i-voltage yesigaba kunye nelayini yezigaba ezithathu (U, V, W) kwi-terminal yokufaka i-welder's input.
- ISingqinisiso seNkcukacha ePhambili: Imigangatho yemizi-mveliso ikholisa ukuba{0}}isigaba sesithathu sokutenxa amandla ombane angabi ngaphezu kwe ±5%, kwaye ubuninzi be ±10%.
I-3.I-Phase Loss Detemination: Ukuba i-voltage yesigaba esisodwa i-zero okanye iphantsi kakhulu, qinisekisa ukulahleka kwesigaba.
4.Iintshukumo zoLungiso:
- Ukuba ukuguquguquka kwamandla ombane ngumba wegridi, kuyacetyiswa ukuba kuhlohlwe imveliso-ibakala lokuzinzisa amandla ombane okanye isilungiseleli somgangatho wamandla phezulu kumsinga wesixhobo sokuwelda.
- Ukuba ilahleko yesigaba ifunyenwe, khangela iifuse, ukutshintshwa komoya, kunye nazo zonke ii-terminals ze-wiring kwibhokisi yokusabalalisa ukuqinisekisa uqhagamshelwano oluthembekileyo.
Impazamo yesi-2: Umlandeli awujikijeli/uKhanya lwesalathisi (Ukusilela kweNkqubo yokuPholisa)
Uhlalutyo lwe-Phenomenon: Amacandelo amandla angundoqo ngaphakathi kwe-MFDC spot welder, njengeemodyuli ze-IGBT kunye ne-transformer enkulu, zivelisa ubushushu obukhulu ngexesha lokusebenza. Ifeni ibalulekile kwinkqubo yokupholisa umoya ngenkani; ukuba iyayeka ukusebenza, ubushushu abunakutshatyalaliswa ngexesha, nto leyo ekhokelela ekunyukeni okukhawulezileyo kobushushu bangaphakathi kwaye ibangele ngaphezulu{1}}ukhuseleko lobushushu.
Amanyathelo okusombulula ingxaki:
1.I-Check yangaphandle: Ngokukhawuleza vula i-casing yomatshini kwaye uqaphele ukuba ii-fan blades zixinzelelwe luthuli, izinto zangaphandle, okanye zonakaliswe.
2.Ukukhangela Amandla: Ukulinganisa umbane wombane wefeni (ngokuqhelekileyo i-24V DC okanye i-220V AC). Ukuba akukho mbane, impazamo ilele kwibhodi yesekethe yolawulo lwabalandeli okanye imodyuli yamandla.
I-3.Fan Unit Hlola: Ukuba i-voltage yokubonelela iyinto eqhelekileyo kodwa i-fan ayijikelezi, i-fan unit ngokwayo yonakaliswe kwaye kufuneka itshintshwe.
4.Iintshukumo zoLungiso:
- Ngokukhawuleza buyisela ifeni enye yezinto ezifanayo kunye nokuhamba komoya.
- Rhoqo (kucetyiswa ngekota) sebenzisa umpu womoya woxinzelelo oluphezulu{0}ukucoca uthuli olusuka ngaphakathi kwisingxobo, iitsinki zobushushu, kunye neebhlewudi zefeni ukuqinisekisa amajelo okupholisa angavalelwanga.
Impazamo yesi-3: Isalathisi soBubushushu obungaqhelekanga siKhanya (uKhuseleko lobushushu obugqithisileyo)
Uhlalutyo lwe-Phenomenon: Le yeyona mpazamo ixhaphakileyo yokuvalwa kokhuseleko. Ibonisa ukuba ubushushu bemodyuli ye-IGBT okanye i-transformer ifikelele okanye igqithile kwi-preset ngaphezulu{1}}kumda wokhuselo lobushushu. Oku kudla ngokubangelwa kukusebenza okugqithisileyo okanye ukusebenza kwenkqubo yokupholisa engafanelekanga.
Idatha engundoqo kunye naManyathelo okusombulula ingxaki:
1.IGBT Umda woBubushushu: Umda weTemperature weJunction we-IGBTs uqhelekile yi-125 degree. Umjikelo wokhuseleko we-welder udla ngokubangela i-alamu xa iqondo lobushushu lifikelela kuma-80 ukuya kuma-90 ukuze likhusele amacandelo angundoqo.
2.Umjikelo woMsebenzi: I-MFDC spot welders zineemfuno ezingqongqo zomjikelo womsebenzi. Ngokomzekelo, i-welder onomjikelezo womsebenzi olinganisiweyo we-20% uthetha ukuba ixesha elide le-welding alikwazi ukudlula imizuzwana ye-2 ngaphakathi komjikelezo wokusebenza kwe-10-yesibini.
3.Ukujongwa kwamanzi okupholisa (Amanzi{1}}IiModeli eziPholisayo):
- Jonga inqanaba letanki yamanzi kwaye uqinisekise ukuba impompo yamanzi isebenza ngokuchanekileyo.
- Linganisa izinga lokuhamba kunye nobushushu bamanzi okupholisa. Ukuhamba okungonelanga okanye ubushushu obugqithisileyo bamanzi (ngokuqhelekileyo bufuneka ukuba bube ngaphantsi kwama-30 degrees) kuya kubangela ukutshabalalisa ubushushu.
- Khangela isiphaluka samanzi kwiibhlokhi okanye ukuvuza, ngokukodwa kwimibhobho yamanzi ngaphakathi kweengalo ze-electrode kunye ne-transformer.
4.Iintshukumo zoLungiso:
- Ukuvala kunye nokuPholisa: Misa ngokukhawuleza i-welding kwaye uvumele izixhobo ukuba ziqhube zingasebenzi (ukugcina i-fan kunye nepompo yamanzi isebenza) de iqondo lokushisa liyehla ngaphantsi kwe-50℃ngaphambi kokuzama ukuqalisa kwakhona.
- Ukulungiswa kweParameter: Hlaziya iiparamitha zenkqubo ye-welding ukuqinisekisa ukuba umjikelo womsebenzi awugqithiswanga. Ukuba ukuwelda okuphezulu-kuphezulu kuyafuneka, iyunithi yamandla ephezulu{2} elinganisiweyo kufuneka isetyenziswe.
Impazamo yesi-4: Isalathisi esingaqhelekanga sangoku siKhanya (uKhuseleko lwangoku)
Uhlalutyo lwe-Phenomenon: Ukhuseleko olungaqhelekanga lwangoku (i-overcurrent) luyimpendulo ekhawulezayo ye-welder kwisiphaluka esifutshane kwisiphaluka sesibini okanye ukungaphumeleli kwecandelo lamandla. Iiwelder zeMFDC zikholisa ukusebenzisa i-LEM zoluvo lwangoku ukujonga okwangoku ngexesha lokwenyani. Emva kokuba i-current idlula ixabiso elimiselweyo, isiphaluka sokukhusela sivala i-IGBT kwii-milliseconds.
Amanyathelo okusombulula ingxaki:
1.Ukwahlula i-Idle vs. I-Alam yokulayisha:
- I-Alarm ye-Idle: Ukuba i-alam ivusa xa i-welding, inokuba ngenxa ye-overcurrent protection circuit (ifuna ukulungiswa kwe-threshold) okanye imodyuli ye-IGBT eyonakeleyo (umz.
- I-Alarm yokulayisha: Ukuba i-alamu ibangela umzuzu we-welding iqala, jonga kuqala isiphaluka sesibini (i-electrodes, iingalo ze-electrode, iintambo zesibini) kwiisekethe ezimfutshane okanye uqhagamshelwano olubi olubangela ukunyuka kwangoku kwangoku.
2.GBT/Ujongo lweTransformer engundoqo:
- Sebenzisa imowudi ye-multimeter's diode ukulinganisa ukuchasana phakathi kweetheminali zemodyuli ye-IGBT ukujonga ukuchithwa.
- Hlola i-transformer engundoqo naliphi na ivumba elivuthayo okanye iimpawu zokutshisa.
3.Iintshukumo zoLungiso:
- Ukuba umonakalo we-IGBT uqinisekisiwe, isethi yonke yeemodyuli ze-IGBT kwingalo yebhulorho enye kufuneka ithathelwe indawo, kwaye isekethe ye-drive kufuneka ihlolwe ukuthintela ukungaphumeleli kwangoko kwiimodyuli ezintsha.
- Ukuba isiphaluka esifutshane sesibini, i-debris yensimbi ecocekileyo evela kwiingalo ze-electrode okanye utshintshe i-insulating pads.
Isiphoso sesi-5: Akukho Mboniso ekuQaleni okanye akukho Spark ngexesha leWelding (Amandla kunye noLawulo lweempazamo zeSekethe)
Uhlahlelo lwePhenomenon: Ezi ziziphene ezenzeka kwizigaba ezibini ezahlukeneyo. Akukho mboniso obonisa igalelo lamandla okanye impazamo yolawulo lwesiphaluka; akukho ntlantsi ebonisa impazamo kwi-welding output circuit.
Amanyathelo okusombulula ingxaki:
| Uhlobo lwempazamo | Ujoliso lokusombulula ingxaki | Amanqaku oHlolo oluPhambili |
| Akukho Mboniso kwiSiqaliso | Igalelo laMandla kunye noLawulo lwaMandla |
1. Khangela ukuba intambo yamandla kunye nokutshintsha okuphambili kuxhunyiwe. 2. Khangela ukuba i-fuse yesekethe yolawulo ivuthelwe; ukutshintshwa kufuneka kusebenzise iinkcukacha ezifanayo{1}} Khangela ukuba isiguquli solawulo sinemveliso. |
| Akukho Spark ngexesha leWelding | IiParameters ze-Welding kunye neSekethe yokuPhuma |
1. I-Welding Parameters: Khangela ukuba i-welding current, ixesha, kunye noxinzelelo lwezicwangciso zero zero okanye ziphantsi kakhulu. 2. Imeko ye-Electrode: Khangela ukuba i-electrode igugile kakhulu okanye i-oxidized, ekhokelela ekuchaseni okugqithisileyo koqhagamshelwano. 3. I-Switch Status: Khangela ukuba i-pedal yeenyawo okanye i-pneumatic switch ivuselela ngokuchanekileyo kwaye ukuba inkqubo yokulawula ithumela isignali yokuphuma. |
Iintshukumo zoLungiso:
- Kwimiba ethi "Akukho Mboniso", ukutshintsha i-fuse okanye ukulungisa unikezelo lwamandla olawulo kufuneka kusonjululwe ingxaki.
- Kwimiba ethi "Akukho Spark", isheke esicwangcisiweyo senkqubo ye-welding parameters iyadingeka. Ngokomzekelo, kwi-welding sheet yentsimbi encinci, ixesha le-welding lingadinga kuphela i-0.05 ukuya kwi-0.1 imizuzwana; nakuphi na ukuphambuka okuncinci kunokukhokelela ekungaphumeleli kwe-welding.
Isiphoso sesi-6: I-Weld Spatter egqithisileyo okanye i-Workpiece Workpiece (uMbango woMgangatho weWeld)
Uhlalutyo lwe-Phenomenon: I-Spatter kunye nokutshisa yimiba ekumgangatho ophantsi we-weld echaphazela ngokuthe ngqo amandla kunye nenkangeleko yemveliso. Oku kudla ngokubangelwa kukungahambelani kweeparamitha zokuwelda, imeko ye-electrode engalunganga, okanye ukulungiswa komphezulu komphezulu onganelanga.
Amanyathelo okusombulula ingxaki:
1.I-Welding Parameter Check:
- Okwangoku: Ngaba i-welding current iseti iphezulu kakhulu? Ukugqithiswa kwangoku kubangela ubushushu obuninzi obuza kuveliswa ngoko nangoko, okukhokelela ekunyibilikeni kwesinyithi esinobundlobongela kunye nokutshiza.
- Uxinzelelo: Ngaba uxinzelelo lwe-electrode lubekwe phantsi kakhulu? Uxinzelelo olungonelanga kwandisa ukuchasana noqhagamshelwano kwaye luyasilela ngokufanelekileyo ukunyanzelisa i-nugget etyhidiweyo, kwaye ibangela i-spatter.
- Ixesha: Ngaba ixesha le-welding lide kakhulu? Ixesha elininzi likhokelela ekuqokeleleni kobushushu obugqithisileyo, okukhokelela ekutshiseni{0}}ngokungena okanye ukutshisa kwesixhobo sokusebenza.
2.Electrode Condition Check:
- Khangela ukuba incam ye-electrode i-oxidized kakhulu, igugile, okanye ingcolisekile ngobutyobo. Ukungcola kwi-electrode surface kwandisa ukuchasana noqhagamshelwano, okukhokelela ekugqithiseni kwendawo kunye ne-spatter.
- Khangela ukuba iingalo ze-electrode zihambelana ukuqinisekisa ukuba uxinzelelo lusetyenziswa ngokulinganayo.
3.I-Workpiece Jonga: Jonga umphezulu we-workpiece ye-oyile, irusi, okanye i-oxide layers. Ezi zinto ziphazamisa kakhulu umgangatho we-weld.
Iintshukumo zoLungiso:
- IParameter Optionation: Landela umgaqo othi "sebenzisa uxinzelelo kuqala, emva koko unike amandla." Kuyacetyiswa ukunciphisa ngokufanelekileyo okukhoyo, ukonyusa uxinzelelo, kwaye usebenzise i-multi-i-pulse welding (ngaphambili{2}}ubushushu - i-weld - nomsindo) ukuseka i-nugget etyhidiweyo kakuhle.
- Ukugcinwa kwe-Electrode: Rhoqo sebenzisa i-electrode dresser ukuze ugcine ubume obucocekileyo kunye obuhambelanayo kwincam ye-electrode.
- Ukucoca i-Workpiece: Ukucocwa okuyimfuneko kwendawo yokusebenza kufuneka kwenziwe ngaphambi kokuba kufakwe i-welding.
III. Indlela yokuCwangcisa iNgxaki kunye neeNgcebiso zokuGcina
Ukuqinisekisa ukusebenza okuzinzileyo kwe-MFDC spot welder, abasebenzi bolondolozo kufuneka babambelele kwinkqubo yokusombulula ingxaki kunye nefilosofi yogcino "yokuthintela kuqala".
1. AmaNyathelo{1}}eNdlela yokuJonga iNgxaki
Kuyacetyiswa ukuba usebenzise "uHlolo oluBonakalayo{0}}Jonga amandla{1}}iNdlela yamava" ukulungisa ingxaki:
1.Uhlolo olubonakalayo:
- Jonga: Qwalasela imo yezibane ezibonisayo, uqhagamshelo lwekheyibhile, ukunxitywa kwe-electrode, kwaye ujonge isiphaluka samanzi ukuba sivuza na.
- Mamela: Mamela naziphi na izandi ezingaqhelekanga ngexesha lokusebenza kwesixhobo (umzekelo, ingxolo yefeni, ukuntyiloza kwesiguquli).
- Ivumba: Khangela naliphi na ivumba elitshileyo okanye ivumba lezinto ezitshileyo zokugquma.
2.Ukujongwa kwamandla:
- Sebenzisa izixhobo zobuchwephesha ukulinganisa amandla ombane, angoku, kunye nokuphindaphindwa kobonelelo lombane, uqinisekise ibhalansi yezigaba ezithathu kunye nokuthobela iimfuno zesixhobo.
- Jonga ukuzinza kwamandla olawulo kunye nokuqhuba iziphumo zamandla.
3.Amava kunye noxwebhu:
- Bhekisela kwitheyibhile yekhowudi yomenzi kunye nemizobo yesekethe ukuze unciphise ngokukhawuleza uluhlu lwephutha ngokusekelwe kwikhowudi ye-alamu.
- Ukuphonononga iirekhodi zokugcina izixhobo zamva nje kunye neelog zokusebenza ukufumanisa ukuba impazamo inxulumene nohlengahlengiso lwamva nje lweparamitha okanye imisebenzi yolondolozo.
2. IiNcombululo zoThintelo loLondolozo
Ukusebenza okuzinzileyo kwe-MFDC spot welder kuxhomekeke kwi-70% kugcino lwesiqhelo. Ukuseka inkqubo engqongqo yokuhlola imihla ngemihla kunokunciphisa kakhulu izinga lokungaphumeleli.
| Into yesondlo | Ukuphindaphinda | UMsebenzi oPhambili kunye neNjongo | |
|
Ukucoca kunye nokususwa kothuli |
Ngeveki/Nyanga | Sebenzisa i-oyile{{0}umoya oxinanisiweyo wasimahla ukucoca ingaphakathi le-casing, iitsinki zobushushu, kunye neefeni ukunqanda ukufumba kothuli ekuchaphazeleni ukukhutshwa kobushushu kunye nokugquma. | |
| Khangela iSekethe yaManzi | Yonke imihla | Jonga inqanaba letanki lamanzi okupholisa kunye nobushushu, uqinisekise ukuba imitha yokuhamba ibonisa ukusebenza okuqhelekileyo. Gxotha endaweni yakho ngamanzi acociweyo okanye adiyiniweyo ukunqanda ukwakheka kwesikali kunye nezithintelo. | |
| Ukugcinwa kwe-Electrode | NgeShift nganye | Sebenzisa isinxibo se-electrode ukugcina indawo ethe tyaba necocekileyo yokudibanisa i-electrode. Jonga ukuchaneka koxinzelelo lwe-electrode. | |
| Khangela uQhagamshelwano loMbane | Ngekota | Jonga zonke iitheminali zoqhagamshelo eziphezulu{{0} zangoku (umzekelo, iintambo zesibini, uqhagamshelo lwengalo ye-electrode) ukuqina ukunqanda ukuxhathisa okuphezulu, okubangela ukufudumeza kunye nokulahleka kwamandla. | |
| Ulungelelwaniso lweParameter | Ngesiqingatha-Ngonyaka | Ukulinganisa iiparamitha zokulawula ezifana ne-welding yangoku, ixesha, kunye noxinzelelo lokuqinisekisa ukuchaneka kwazo kuyahlangabezana neemfuno zenkqubo. |
Ukuqukumbela
IMFDC indawo yokuweldasisixhobo sokuvelisa-esiphezulu,{1}}somfezeko, kwaye ukulungisa ingxaki kufuna ulwazi olucwangcisiweyo nolukhethekileyo.
Ngokufunda iindlela ezintandathu zokuxilongwa kweempazamo eziqhelekileyo ezibonelelwe kweli nqaku kunye nokubambelela ngokungqongqo kumgaqo "wothintelo lokuqala, ukugcinwa kwesibini", iinkampani zinokunciphisa kakhulu ixesha lokunciphisa izixhobo, ziqinisekise umgangatho we-weld ozinzile, kunye nokugcina imveliso eqhubekayo, esebenzayo. Kucetyiswa ukuba bonke abaqhubi kunye nabasebenzi bolondolozo basebenzise esi sikhokelo njengesalathiso esibalulekileyo somsebenzi wabo wemihla ngemihla.
