(1) Ua ntej vuam, lub tshuab vuam yuav tsum raug kuaj xyuas kom paub tseeb tias tsis muaj xeb, oxide nplai, roj, noo lossis lwm yam tsis zoo uas cuam tshuam rau vuam zoo.
(2) Cov nplhaib uas siv rau kev vuam yuav tsum khaws cia kom qhuav. Yog hais tias lub nplhaib plooj (veneers) lub ntsej muag ntub vim qhov khoom ntim puas, nws yuav tsum tau ziab ua ntej vuam. Qhov kom qhuav yog kub li 120 ° C thiab qhov kub thiab txias cia rau ob teev.
(3) Yuav tsum tsis txhob muaj cov tshuaj phem xws li oxide teev, xeb lossis ya raws uas cuam tshuam rau lub vuam zoo tsis pub dhau 50 hli ntawm qhov chaw vuam ntawm lub vuam ntsia hlau.
(4) Thaum qhov ntev ntawm cov xov kab noj mov tsawg dua 50 hli, nws cov kab uas hla kev yuav tsum tsis pub tsawg dua 35mm2; tib lub sijhawm, kev siv hluav taws xob tshwj xeeb nrog lub peev xwm txaus yuav tsum siv, thiab nws lub peev xwm feem ntau yog 100KVA-150KVA, thiab nws yuav tsum muaj kev tiv thaiv los ntawm nag thiab tiv tshav. Lub thawv xa khoom yuav tsum muaj lub pob zeb nyob ze ntawm lub tshuab, nws yooj yim los txiav tawm lub zog hluav taws xob sai sai thaum tsis ua haujlwm Qhov tsawg kawg nrug nruab nrab ntawm lub cev welder thiab phab ntsa lossis lwm qhov chaw thaiv yog 20cm kom paub tseeb tias cov huab cua nyob ib ncig ntawm lub qhov txuas thiab nkag tau yooj yim cua sov tawm. Cov.
