Amashiti obhedu zizixhobo zokuqhuba eziyimfuneko ezisetyenziswa ngokubanzi kumandla amatsha, izixhobo zombane, ukwenziwa kombane, izixhobo zasekhaya, kunye nezixhobo zombane zemoto.
Nangona kunjalo, nabani na osebenze ngobhedu uyazi into enye kakuhle: Ubhedu sesinye sezona ntsimbi zinzima ukubona i-weld ngokuthembekileyo.
Iifektri ezininzi zinengxaki efanayo:
❌ Amandla e-weld abuthathaka kunye namandla angazinzanga
❌ Amabala eweld amnyama, iiweld ezibandayo, okanye iiwelds ezingeyonyani
❌ Ukutshiza okugqithisileyo kunye neendleko eziphezulu zokucoca
❌ Ukunxiba ngokukhawuleza kwe-electrode kunye nokugcinwa rhoqo
❌ Izinga lesivuno liye lahlala lingaphantsi kwama-90% kwaye kunzima ukuyiphucula
Ngoko umbuzo obalulekileyo uba:
Ngaba amashiti obhedu anokubakho ngenene adityaniswe ngesixhobo sokuwelda esiphakathi? Yaye ngaba iyazicombulula ngokwenene ezi ngxaki?
- Impendulo icace gca:
✅ Ewe{0}}akwenzeki nje kuphela, iye yaba lishishini{1}}isisombululo esisemgangathweni sokuwelda ubhedu.
- Okubaluleke ngakumbi:
👉 Ukukhetha okulungileyoumatshini wokuwelda indawoimisela ngokuthe ngqo isivuno sakho, ukusebenza kakuhle, kunye{0}}nexabiso lemveliso yexesha elide.
1. Kutheni i-Traditional Spot Welders ingaphumeleli kwiCopper
Ingcambu engunobangela ayingomsebenzisi{0}}yinto ebonakalayo yobhedu ngokwalo.
- I-Thermal conductivity yobhedu: 380–400 W/(m·K)
- Oku kumaxesha angama-6-8 aphezulu kunentsimbi eqhelekileyo
Kuthetha ukuthini oku kwimveliso yokwenene?
- Ubushushu buyaphela phantse ngoko nangoko
- I-nugget etyhidiweyo ayinakumila ngokupheleleyo ngexesha
- Iiwelds zikhangeleka ziqinile kumphezulu kodwa ziyasilela phantsi komthwalo
- I-Spatter iyanda, kwaye ukunxiba kwe-electrode kukhawuleza
Ngeli xesha, abashiseli bendawo be-AC bemveli basebenza kwi-50Hz sinusoidal yangoku, okuthetha ukuthi:
- Ihla yangoku ukuya kwi-zero rhoqo nge-10 ms
- Ukufakwa kobushushu kuhlala kuphazamiseka
Kungenxa yoko le nto iifektri ezininzi zifumanisa ukuba kungakhathaliseki ukuba zihlengahlengisa njani iiparamitha, umgangatho we-copper weld uhlala ungaqiniseki.
2. Kutheni i-Medium Frequency Spot Welders inokuWeld ngokwenene iCopper
Medium Frequency DC Spot Welders (MFDC 1000Hz) ziyilelwe ngokukodwa{1}}ukuqhuba kwaye eziphezulu{2}}ezishushu{3}}imathiriyeli yokusasaza njengobhedu kunye nealuminiyam.
1. IsiPhumo se-DC esingenaZiro{1}}iLahleko yoBubushushu obuNqamkileyo
Ngokungafaniyo ne-AC spot welding, iinkqubo zeMFDC zisebenzisa:
- Ukulungiswa kwezigaba ezithathu
- Itekhnoloji yokuguqula i-IGBT
- I-1000Hz imveliso ye-DC ezinzileyo
Iinzuzo eziphambili:
- Akukho ziro{0}}kunqumlayo
- Uxinzelelo oluqhubekayo lobushushu
- Ukuqulunqwa kwe-nugget ngokukhawuleza kunye nozinzile
Ngobhedu, apho ubushushu buphuma ngokukhawuleza, igalelo eliqhubekayo lamandla liyinzuzo yokugqiba.
2. Millisecond -Inqanaba loLawulo lwangoku kunye nokuPhendula ngokuKhawulezileyo
Isantya sokuphendula se-MFDC welders si-6-10 ngokukhawuleza kunoomatshini be-AC bendabuko, ukuhambisa:
- Millisecond{0}}inqanaba lokuqala le-arc
- Ixesha lokwenyani{0}}imbuyekezo yangoku
- I-welding curves ehambelana kakhulu
Iziphumo:
- Amandla e-weld azinzileyo
- Ukuhambelana kwebhetshi okugqwesileyo
- Akusekho "amava{0}asekwe" kwi parameter tuning
3. IiWelds ezinamandla kunye nokuSetyenziswa kwamandla asezantsi
Idatha yendawo ibonisa:
- Ukuphumelela koguqulo lwamandla kubashiseli beMFDC: 85%–90%
- Abaweldi bemveli be-AC: kuphela 65%–70%
Oku kuguqulela ngokuthe ngqo kwi:
I-30% -45% esezantsi yokusetyenziswa kwamandla xa iyonke
Ufumana iiwelds ezinamandla kunye neendleko zombane ezisezantsi ngaxeshanye.
3. Yintoni etshintsha kakhulu emva kokutshintshela kwi-MFDC ye-Copper Welding?
Ngokusekwe kwimpendulo yokwenyani yabathengi, ezona mpucuko zintlanu ziphawuleka kakhulu zezi:
✅ Amandla e-Weld tensile ayanda20%–40%
✅ Ukuhambelana okugqwesileyo kuyo yonke imveliso yeebhetshi
✅ I-Spatter iyancipha kakhulu
✅ Ubomi be-electrode bandiswa2-3 amaxesha
✅ Izinga lesiphene lincitshiswe nge30%–50%
Ithetha ukuba:
- Imveliso ephezulu evela kumgca wemveliso ofanayo
- Ukulungiswa okumbalwa kunye nokulahlwa
- Izikhalazo zomgangatho omncinci
- Ixabiso eliphantsi lokwenziwa kwexabiso
4. IiParameters ze-Welding eziphambili ze-Stable Copper Spot Welding
Nokuba kunomatshini ochanekileyo, ukuseta iparamitha kubalulekile kwiwelding yobhedu.
I-Welding ephezulu yangoku kunentsimbi
Kuba ubhedu buchitha ubushushu ngokukhawuleza okukhulu:
- I-welding okwangoku kufuneka ibe njalo
I-30% -60% ephezulu kunentsimbi yobunzima obufanayo
Oku kuqinisekisa ukubunjwa kwe-nugget ngokukhawuleza.
Uxinzelelo lwe-Electrode esezantsi kunentsimbi
Ubhedu luthambile ngokwentelekiso. Uxinzelelo olugqithisileyo lunokuthi:
- Gcoba i-nugget etyhidiweyo
- Banga ukusasazeka kwe weld ngokugqithisileyo
- Nciphisa amandla e-weld yokugqibela
Indibaniselwano ecetyiswayo yile:
- Uxinzelelo oluphezulu lwangoku + oluphakathi + ixesha elifutshane le-welding
Ukucoceka koMphezulu Kuchaphazela Ngqo Isivuno
Ubhedu oxidizes ngokulula kakhulu. Ngaphambi kwe-welding:
- Susa ioli
- Susa iileya zeoksidi
- Qinisekisa ukuxhathisa koqhagamshelwano oluzinzileyo
Iifektri ezininzi zinika ingxelo:
- Ngaphezulu kwe-20% yokuphucuka kwireyithi yokupasa emva kokucoca umphezulu osemgangathweni
5. Amashishini esele Esebenzisa iMFDC Spot Welders kwiCopper
Ukuwelda indawo ye-MFDCsele isisisombululo esingundoqo kwi:
I-Automotive Electronics
- Iibhasi ze-inverter zobhedu
- Iitheminali zobhedu zeTransformer
Ushishino olutsha lwaMandla
- Iibhasi zobhedu zebhetri
- Izixhumi zokugcina amandla
Isixhobo soMbane esiPhantsi kunye nesiPhezulu
- Abafowunelwa bobhedu besekethe
- Iibhasi zobhedu
Onke la mashishini abelana ngemfuneko enye: Ukungaphumeleli kweWeld akwamkelekanga kwaphela.
6. IDatha yeFactory eyiyenyani: UPhuculo lweZixhobo=elide{2}}Ixesha lokuNcitshiswa kweendleko
Emva kokunyuselwa kwi-MFDC yokuwelda indawo yezindlu zeemoto zobhedu, omnye umenzi wesixhobo uzuze ezi ziphumo zilandelayo:
| Into | Ngaphambili | Emva koko | |
| 1 | Weld tensile amandla | 320N |
410N |
| 2 | Ukusebenza kakuhle kwemveliso | 100% |
135% |
| 3 | Izinga lokutshiza | 8.5% | 2.1% |
| 4 | Izinga lesiphako | 6.2% |
3.5% |
| 5 | Ukusetyenziswa kwamandla ngenyanga | 12,000 kWh |
8,200 kWh |
Olona phuculo:
- Amandla eWeld anyuke nge-28%
- Iziphene zehle nge-44%
- Iindleko zamandla zehliswe ngama-31%
Oku kungqina ngokucacileyo:
I-MFDC spot welder ayiyondleko-sisixhobo sexesha elide sokwandisa iindleko.
Isiphelo: Ukuba Weld Copper, MFDC Spot Welding ayisena Optional
Ukuba umzi-mveliso wakho usasebenzisa iintsimbi ze-AC zemveli zobhedu kwaye unengxaki:
- Iiwelds ezibuthathaka
- Isitshizi esigqithisileyo
- Amazinga aphezulu okusebenza kwakhona
- Ukunxiba ngokukhawuleza kwe-electrode
- Iindleko zombane eziphezulu
Emva koko inyaniso ilula:
- Ingxaki ayingobasebenzi bakho{0}}lukhetho lwakho lwezixhobo.
Ukuwelda indawo ye-MFDCsele ingqinwe kumashishini amaninzi njengale:
- Uninzi lwesisombululo esizinzileyo
- Eyona nkqubo isebenzayo
- Elona xabiso liphantsi{0}}ithuba elide lokukhetha
- Eyona mbuyekezo kutyalo-mali
