kuoma kwepamusoro uye yakakwirira kupfeka resistance welding electrode
Iyo electrode ine core uye coating.Elekitirodhi ndiko kupfekedza (kupotera) zvakafanana uye nepakati rinoiswa pamusimboti kunze kwesimbi welding core.Mhando dzakasiyana dze electrode, musimboti wakasiyanawo.Iyo welding core ndiyo musimboti wesimbi we electrode.Kuti uve nechokwadi chehutano uye kushanda kweweld, kune mitemo yakasimba pane zvinyorwa zvesimbi dzakasiyana-siyana
zvinhu mu welding core, kunyanya pane zviri mukati metsvina inokuvadza (yakadai sesarufa, phosphorus, nezvimwewo), panofanira kunge paine zvirambidzo zvakasimba, zviri nani pane simbi yepasi.Iyo yakavharidzirwa yesimbi yepakati ye electrode inonzi weld core.Iyo weld core kazhinji iwaya yesimbi ine humwe hurefu uye dhayamita.Munguva yewelding, iyo welding core ine mabasa maviri: imwe ndeyekuitisa welding ikozvino uye kugadzira magetsi arc kushandura simba remagetsi kuita kupisa simba;imwe yacho ndeyekunyungudutsa iyo welding core pachayo sesimbi yekuzadza uye iyo liquid base simbi kuti isanganise kuita weld.
Welding core uye coating.
Nheyo (core) iwaya ine dhayamita nehurefu.Basa re welding core;Imwe ndeyekuita se electrode uye kugadzira arc yemagetsi;Chechipiri, mushure mekunyunguduka sesimbi yekuzadza, uye iyo yakanyungudutswa simbi pamwe chete kugadzira weld.Iyo kemikari yekuumbwa kweiyo weld core ichakanganisa zvakananga kunaka kweiyo weld, saka iyo weld core inonyanya kunyungudutswa nesimbi zvigayo.Carbon chimiro chesimbi welding tsvimbo inowanzoshandiswa munyika yedu.Iyo welding core brand ndeye H08 uye H08A, ine avhareji kabhoni yemukati ye0.08% (A inomiririra yemhando yepamusoro).
Iyo dhayamita ye electrode inoratidzwa nehupamhi hweiyo welding core.
Iyo dhayamita inowanzo shandiswa ndeye 3.2 ~ 6mm uye kureba i350 ~ 450mm.
Kupfekedza kunze kweiyo welding core, inogadzirwa nemaminerari akasiyana-siyana (akadai semarble, fluorite, etc.), iron alloy uye binder uye zvimwe zvigadzirwa zvinoenderana nechimwe chikamu chekugadzirira.Basa guru rekuputira nderekuita kuti arc iite nyore uye inodzikamisa kupisa kwearc;Iyo yakawanda yegasi uye slag inoumbwa kuchengetedza simbi yedziva yakanyungudutswa kubva kune oxidation.Bvisa tsvina inokuvadza (yakadai seokisijeni, haidhirojeni, sarufa, phosphorus, nezvimwewo) uye wedzera alloying zvinhu kuti uvandudze mashandiro emakanika e weld.
Iyo electrode inogona kushandiswa se electrode yekuitisa welding ikozvino, uye seyekuzadza simbi yewelding seam uye zvinhu zvekudzivirira zvechidziva chewelding.
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