1).Zida: NM300tp, NM400, NM450, NM500, ar360, malinga ndi zomwe kasitomala amafuna
2).Kulongedza: kulongedza koyenera kunyanja
3).Kuchiza pamwamba: kukhomerera, kuwotcherera, utoto kapena monga momwe kasitomala amafunira
4).Kukula: 3-25mm, malinga ndi zomwe kasitomala amafuna
1) Kuphatikiza kwa milu yowotcherera mulu ndi chitsulo cha masanjidwewo ndi kuphatikiza zitsulo, zokhala ndi mphamvu zophatikizika kwambiri komanso kukana bwino.
2) Zosakaniza ndi kusintha magwiridwe antchito a chitsulo cha mulu welded wosanjikiza ndi yabwino.Nthawi zambiri, mikwingwirima yowotcherera yomwe imagwiritsidwa ntchito kwambiri kapena mizere yowotcherera ya arc ndiyosavuta.Ikhoza kupangidwa kuti ipange machitidwe osiyanasiyana a alloy kuti akwaniritse ntchito zosiyanasiyana.
3) makulidwe a mulu kuwotcherera wosanjikiza ndi waukulu, ndipo makulidwe a mulu kuwotcherera wosanjikiza angasinthidwe mkati 2 ~ 30mm, amene ali oyenera kuvala kwambiri.
4) Sungani mtengo ndi chuma chabwino.Pamene magawo a ntchito-zidutswa amapangidwa ndi zipangizo wamba, pamwamba opangidwa ndi mkulu - aloyi mulu kuwotcherera wosanjikiza, amene osati amachepetsa kupanga mtengo, komanso amapulumutsa kuchuluka kwa zitsulo zamtengo wapatali.
Kuwotcherera pamwamba kumatanthawuza njira yomwe imagwiritsa ntchito njira zowotcherera kuti ziwunjike ndi zinthu zina zogwirira ntchito pamwamba pazigawo zowotcherera.Cholinga si kulumikiza zigawo welded, koma kupeza kusungunuka zitsulo wosanjikiza ntchito yapadera monga kuvala zosagwira kutentha ndi dzimbiri pamwamba pa welded mbali, kapena kubwezeretsa kapena kuwonjezera kukula kwa welded mbali.