Nrog tib lub yeeb nkab txoj kab uas hla thiab tuab, tib lub zog tso zis, Cov Hlau Yeeb Nkab Ua Tshuab ceev ntawm qhov chaw tuaj yeem ceev lossis qeeb.
Thaum cov cuab yeej siv lub raj zeb zoo ib yam li txoj siv hlau, lub ntsiab tseem ceeb cuam tshuam rau qhov vuam ceev yog feem ntau cov txheej txheem vuam.Yog tias qhov vuam tsis zoo, cov kab nrib pleb, undercuts, slag inclusions, infusion, thiab lwm yam yuav tshwm sim.
1. Kev nkag mus tsis tiav: vuam tsis tshua muaj tam sim no, vuam ceev heev, qhov txawv txav vuam phom lub kaum ntse ntse, thiab lwm yam yog ua rau muaj qhov tsis zoo xws li kev nkag tsis tiav.Kev siv vuam tam sim no thiab kho kom raug ntawm lub vuam phom lub kaum ntse ntse tuaj yeem zam tsis tiav kev nkag mus.
2. Kev oxidation hnyav: thaum lub sij hawm nws tus kheej yaj, lub siab-filling ntaus ntawv nyob rau hauv lub raj tsis muaj kev tiv thaiv zoo, thiab lub nraub qaum ntawm cov vuam yuav raug oxidized;Kev tiv thaiv tsis zoo ntawm lub pas dej molten thiab qhov kawg ntawm cov hlau vuam thaum lub sij hawm vuam, los yog oxidation impurities nyob rau saum npoo ntawm vuam hlau yuav kuj.
3. Slag inclusion thiab tungsten inclusion: Thaum lub sij hawm vuam txheej txheem, yog tias qhov kawg ntawm vuam hlau tawm ntawm argon tiv thaiv cheeb tsam thaum lub sij hawm kub txheej txheem, nws yuav oxidized nyob rau hauv cov huab cua.Thaum rov vuam, qhov kawg ntawm cov hlau oxidized tsis raug ntxuav thiab xa mus rau lub melting Nyob rau hauv lub pas dej ua ke, nws yog txiav txim los ua slag suav nrog hauv kev kuaj pob txha;Yog tias qhov ntev ntawm cov tungsten electrode loj dhau, lub vuam teeb yuav tsis ruaj khov.Tom qab cov tungsten electrode thiab vuam hlau los yog tungsten electrode thiab lub pas dej molten sib tsoo, qhov vuam tsis raug txiav, ua rau tungsten suav nrog.
4. Concave: Thaum lub sij hawm vuam txheej txheem, lub teeb hloov pauv tau zoo heev, kom cov cua sov arc tsis tuaj yeem ua rau lub hauv paus, ua rau muaj qhov tshwm sim concave qhov chaw rov qab weld qis dua qhov saum npoo ntawm daim ntawv xeem.Lub arc tshav kub yog concentrated nyob rau hauv lub hauv paus kom ntau li ntau tau, thiab ntau qhov chaw vuam hlau yog siv nyob rau hauv lub overhead vuam txoj hauj lwm kom tsis txhob concave.
Post lub sij hawm: Mar-03-2022