Mawu Oyamba
Kuwotcherera kwa Plasma arc kumatanthawuza njira yowotcherera yomwe imagwiritsa ntchito mtengo wamphamvu kwambiri wa plasma arc ngati gwero la kutentha. Kuwotcherera kwa Plasma arc kumakhala ndi mphamvu zokhazikika, zokolola zambiri, liwiro lowotcherera mwachangu, kupsinjika pang'ono ndi mapindikidwe, arc yokhazikika, ndipo ndiyoyenera kuwotcherera mbale zoonda ndi zida zamabokosi. Ndi oyenera kuwotcherera zosiyanasiyana refractory, mosavuta oxidized, ndi kutentha tcheru zipangizo zitsulo (monga tungsten, molybdenum, mkuwa, faifi tambala, titaniyamu, etc.).
Mpweya umatenthedwa ndi arc ndikulekanitsidwa. Ikadutsa mumphuno yamadzi-utakhazikika pa liwiro lalikulu, imapanikizidwa, ndikuwonjezera kuchuluka kwa mphamvu ndi digiri ya dissociation kuti ipange plasma arc. Kukhazikika kwake, kutulutsa kutentha, ndi kutentha kwake ndizokwera kuposa za arcs wamba, motero zimakhala ndi liwiro lolowera komanso kuwotcherera. Mpweya womwe umapanga plasma arc ndi mpweya woteteza wozungulira nthawi zambiri umagwiritsa ntchito argon yoyera. Malinga ndi zinthu zakuthupi zosiyanasiyana, helium, nayitrogeni, argon, kapena osakaniza awiriwa amagwiritsidwanso ntchito.
Mfundo yofunika
Kudula kwa Plasma arc ndi njira yomwe imagwiritsidwa ntchito kwambiri podulira zinthu zachitsulo komanso zopanda zitsulo. Imagwiritsa ntchito kuthamanga kwambiri, kutentha kwambiri komanso kutulutsa kwamphamvu kwa plasma kuti itenthetse ndikusungunula zinthuzo kuti zidulidwe, ndipo zimagwiritsa ntchito mpweya wamkati kapena wakunja wothamanga kwambiri kapena kuthamanga kwamadzi kukankhira zinthu zosungunula kutali mpaka mtengo wa plasma mpweya ulowa mkati. kubwerera kupanga odulidwa.
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Mawonekedwe
1. Micro-beam plasma arc kuwotcherera kumatha kuwotcherera zojambulazo ndi mbale zoonda.
2. Ili ndi pinnhole effect ndipo imatha kukwaniritsa kuwotcherera kumbali imodzi ndi kupanga mbali ziwiri zaulere.
3. Plasma arc imakhala ndi mphamvu zambiri, kutentha kwa arc column, ndi mphamvu yolowera. Iwo akhoza kukwaniritsa 10-12mm wandiweyani zitsulo popanda beveling. Imatha kuwotcherera mbali zonse ziwiri nthawi imodzi, ndi liwiro la kuwotcherera mwachangu, zokolola zambiri, komanso kupsinjika pang'ono.
4. Zidazo zimakhala zovuta kwambiri, zogwiritsira ntchito gasi wambiri, zofunikira zokhwima pa kusiyana pakati pa msonkhano ndi ukhondo wa workpiece, ndipo ndizoyenera kuwotcherera m'nyumba.
Magetsi
Pamene kuwotcherera kwa plasma arc kumagwiritsidwa ntchito, magetsi achindunji ndi otsika nthawi zambiri amagwiritsidwa ntchito. Chifukwa cha mawonekedwe apadera ogwiritsira ntchito omwe amachokera ku makonzedwe apadera a torch ndi plasma yosiyana ndi kutuluka kwa mpweya wotetezera, mphamvu ya TIG yodziwika bwino ikhoza kuwonjezeredwa ku plasma console, ndipo makina a plasma opangidwa mwapadera angagwiritsidwe ntchito. Sikophweka kukhazikika kwa plasma arc pogwiritsa ntchito sine wave AC. Pamene mtunda pakati pa elekitirodi ndi workpiece ndi yaitali ndi madzi a m'magazi wothinikizidwa, plasma arc ndi zovuta kugwira ntchito, ndipo mu positive theka mkombero, ndi elekitirodi overheated adzapanga conductive nsonga ozungulira, amene kusokoneza bata la arc.
Magetsi odzipatulira a DC angagwiritsidwe ntchito. Posintha kuchuluka kwa mawonekedwe a waveform kuti achepetse nthawi ya electrode positive pole, ma elekitirodi amakhazikika bwino kuti akhalebe ndi nsonga yolunjika ndikupanga arc yokhazikika.
Nthawi yotumiza: Sep-12-2024
