BEARING HOUSING welding nrog steel yeeb nkab lub cev
Cov yeeb nkab lub cev nrog lub rooj tsav tsheb uas tau teeb tsa yog welded ntawm no, thiab vuam pib nrog arc thaum lub sij hawm tig ntawm lub workpiece, thiab lub arc yog extinguished ntawm txhua lub kaum sab xis (360 ° +). Vuam ob qho tib si xaus ib txhij, vim tias muaj lub voj voog ncig thaum tig lub rooj zaum, qhov txheej txheem txheej txheem yog tsim los ntawm vuam taw tes tom qab kev teeb tsa, ua rau vuam ruaj khov, vuam zoo nkauj, thiab deformation me me. (Tus neeg teb xov tooj sau daim foos tshwj xeeb saib xyuas cov ntaub ntawv)