1. Ua ntej vuam, cov roj stains, xeb thiab lwm yam av ntawm qhov vuam yuav tsum raug tshem tawm kom tsis txhob vuam qhov pores. Argon nrog purity ntawm 99.99% yuav tsum tau siv los ua cov roj tiv thaiv, thiab thaum tam sim no nyob nruab nrab ntawm 50-150A, argon txaus tus nqi yuav tsum ncav cuag 8-10 litres ib feeb, thiab thaum lub sij hawm tam sim no nyob nruab nrab ntawm 150-250A, argon. flow rate Nws yuav tsum ncav cuag 12-15 litres ib feeb.
2. Kev siv ntau yam ntawm vuam ceev yog feem ntau rau vuam ib lub phaj nyias ntawm txog 6 hli, uas tuaj yeem zam qhov loj deformation ntawm vuam, thiab tib lub sijhawm, nws tuaj yeem muaj qhov zoo nkauj dua tom qab vuam. Cov hluav taws xob ncaj qha yuav tsum tau siv thaum vuam, thiab qhov tsis zoo electrode yuav tsum txuas nrog ib kawg ntawm cov vuam hlau.
