Popanga mafakitale, -mafupipafupimakina owotcherera maloamayamikiridwa chifukwa chochita bwino komanso kupulumutsa mphamvu. Komabe, kuvala mwachangu kwa ma elekitirodi ndizovuta wamba zomwe zimakhudza mtundu wa weld, zokolola, komanso mtengo wogwirira ntchito. Nkhaniyi ikupereka kusanthula mwadongosolo zomwe zimayambitsa kuvala kwa ma electrode ndikupereka mayankho othandiza kuti awonjezere moyo wa zida.
Zosintha Zamakono & Zopanikizika Zolakwika
Kugwirizana pakati pa kuwotcherera panopa ndi mphamvu ya electrode ndiye chinthu chachikulu chomwe chimayambitsa kuvala. Zosintha zosayenera zimatha kuwononga ma electrode mwachangu.
Pakalipano:Kuchulukirachulukira kumayambitsa kutenthedwa nthawi yomweyo pansonga ya elekitirodi, zomwe zimapangitsa kufewetsa, kusinthika, ndi "bowa".
Kupanikizika Kosakwanira:Kutsika kwamphamvu kumabweretsa kusalumikizana bwino, kukulitsa kukana kwa magetsi ndikuyika kutentha pansonga ya elekitirodi m'malo mwa zida zogwirira ntchito, zomwe zimapangitsa kuti zibowo zizigwira ndi kumamatira.
Zothetsera:
Ma Parameter Enieni:Khazikitsani zamakono kutengera mtundu wa zinthu ndi makulidwe (monga 8-12 kA/mm² pachitsulo chofatsa; apamwamba a aluminiyamu).
Sinthani Mphamvu:Sungani kupanikizika kwa ma elekitirodi mkati mwazovomerezeka (mwachitsanzo, 0.2-0.4 MPa) kuti muwonetsetse kuti ma nugget amapangidwira komanso kuchepetsa spatter.
Kusankha Njira:Gwiritsani ntchito ndondomeko yowotcherera "yolimba" (yamakono, yaifupi) kapena "yofewa" (yotsika panopa, yotalikirapo) kuti muzitha kuyendetsa kutentha pamagetsi.
Zosayenerera Electrode Material
Kusankha ma elekitirodi olakwika kuti mugwiritse ntchito ndichomwe chimayambitsa kuvala msanga.
Chromium Zirconium Copper (CrZr):Zosankha zonse-zokhala ndi machulukidwe abwino komanso kulimba kwa kaboni ndi zitsulo zosapanga dzimbiri, koma zimavala mwachangu ndi-zamphamvu kapena zowongolera.
Aluminium Oxide Copper (Alumina Cu):Kukana kuvala kwabwino kwambiri (5x kuposa CrZr), koyenera zitsulo zamagalasi ndi aluminiyamu, zomwe zimakhala zosavuta kumamatira.
Tungsten Copper (WCu) / Molybdenum:Kutentha kwapamwamba-kumapangitsa kukhala koyenera kuzinthu zokometsera kwambiri monga mkuwa ndi mkuwa, ngakhale ndizokwera mtengo.
Zothetsera:
Fananizani Zinthu ndi Ntchito:Gwiritsani ntchito Alumina Cu pazitsulo; sankhani WCu pazitsulo zamkuwa.
Mapangidwe Ophatikiza:Pazofuna zambiri, gwiritsani ntchito maelekitirodi oyika (mwachitsanzo, nsonga ya tungsten yophatikizidwa ndi thupi la CrZr) kuti muphatikize kusinthasintha komanso kukana kuvala.
Kuzizirira koyenera ndikofunikira. Dongosolo lolephera ndi chifukwa chobisika cha ma elekitirodi osadziwika bwino.
Kusayenda bwino/Kutentha kwa Madzi:Kuthamanga kosakwanira kapena kutentha kwa madzi okwera kumalepheretsa kutentha kutengeka, kuchititsa electrode kutenthedwa ndi kufewa.
Mizere Yotsekeka:Kuchuluka kapena zinyalala mumayendedwe ozizirira zimapanga malo otentha, zomwe zimatsogolera ku mapindikidwe am'deralo.
Zothetsera:
Kusamalira Nthawi Zonse:Gwiritsani ntchito ndondomeko yozizirira. Yang'anirani kuthamanga ndi kutentha. Gwiritsani ntchito madzi a deionized kapena zoziziritsira zapadera kuti mupewe kuchulukana.
Sinthani Mapangidwe:Onetsetsani kuti mayendedwe ozizirira mkati ali omveka. Sankhani maelekitirodi okhala ndi zobowola zazikulu ndi zopindika zazifupi kuti muwonjeze kutentha kwambiri.
Malo Osauka a Workpiece Surface
Mkhalidwe wapamtunda wa workpiece umakhudza mwachindunji kumene kutentha kumapangidwira.
Zowononga:Mafuta, dothi, ndi okusayidi zimathandizira kuti zisasunthike, zomwe zimapangitsa kuti kutentha kuchuluke pa ma elekitirodi-pamawonekedwe a workpiece, zomwe zimapangitsa kutentha kwambiri ndi kuipitsidwa.
Splash Adhesion:Chitsulo chachitsulo chosungunula chimatha kumamatira ku nkhope ya electrode, kusintha mawonekedwe ake ndikufulumizitsa kuvala kwa ma weld wotsatira.
Zothetsera:
-kutsuka:Khazikitsani kale{{0}njira yoyeretsera weld pogwiritsa ntchito zothira mafuta kapena zotsuka ndi ma ultrasonic kuti muchotse zoyipa. Kukonzekera (monga pickling) ndikofunikira kwambiri pazinthu monga malata.
Post{{0}kukonza weld:Nthawi zonse yeretsani maupangiri a ma elekitirodi ndi fayilo yodzipereka kapena chobvala kuti muchotse zomangira ndikusunga malo oyera, osalala.
Mapeto
Ma elekitirodi amavala pafupipafupi-pakatikatimakina kuwotcherera malondi nkhani zambiri,-koma itha kuyendetsedwa bwino. Mwa kukhathamiritsa magawo azinthu, kusankha zinthu zolondola zama elekitirodi, kusunga makina oziziritsa, ndikuwonetsetsa kuti zogwirira ntchito zili zoyera, mutha kukulitsa moyo wa ma elekitirodi, kusintha kusasinthika kwa weld, ndikuchepetsa ndalama zonse.
