Amabhamuza ngaphakathi kwamanqaku e-weld kwi-weld spot welding inokuba ngumcimbi oqhelekileyo ochaphazela umgangatho kunye nokuthembeka kwe-weld. La maqamza, akwabizwa ngokuba yi-porosity, anokwenza buthathaka i-weld kwaye abeke esichengeni ukusebenza kwawo. Kweli nqaku, siza kuphonononga ezona zizathu ziphambili zokuyilwa kwamaqamza kwindawo yokuwelda amandongomane kwaye sixoxe ngezisombululo ezinokubakho zokunciphisa le ngxaki.
- Izingcolisi:Ubukho bezinto ezingcolisayo ezifana ne-oyile, umhlwa, okanye nayiphi na imathiriyeli yangaphandle kumphezulu odityanisiweyo kunokukhokelela ekwakhekeni kwamaqamza. Ezi zingcolisi zinokunyuka ngexesha lenkqubo ye-welding, zenze i-voids ngaphakathi kwe-weld.
- Ukulungiswa komphezulu onganelanga:Ukungacocwa ngokwaneleyo okanye ukulungiswa kweendawo ezidityanisiweyo kunokubangela umgangatho ophantsi we weld. Ukucoca ngokufanelekileyo kunye nokususwa kwee-oxide layers kubalulekile ekufezekiseni ii-welds ezinamandla nezithembekileyo.
- Irhasi evaleleke kuMngxuma onemisonto:Xa udibanisa amandongomane, umngxuma ofakwe imisonto ngamanye amaxesha unokubamba igesi okanye umoya. Le gesi ibanjiweyo ikhutshwa ngexesha le-welding kwaye inokudala amaqamza ngaphakathi kwendawo ye-weld. Ukuqinisekisa ukuba umngxuma onemisonto ucocekile kwaye awunazo naziphi na izithintelo kubalulekile.
- Irhasi yoKhuselo enganelanga:Uhlobo kunye nesantya sokuhamba kwegesi yokukhusela idlala indima ebalulekileyo kwinkqubo ye-welding. Irhasi engonelanga yokukhusela inokuvumela iirhasi ze-atmospheric ukuba zingene kwindawo ye-weld, ekhokelela kwi-porosity.
- Imilinganiselo yeWelding:Ukusebenzisa i-welding parameters engafanelekanga, njengokushisa okugqithisileyo okanye i-welding current ephezulu, kunokubangela ukubunjwa kwamaqamza. Ezi parameters zinokubangela ukuba isinyithi sigqithise kwaye sibe ngumphunga, okukhokelela kwi-porosity.
Izisombululo:
- Ukucoca ngokucokisekileyo:Qinisekisa ukuba iindawo ezidityanisiweyo zicocwe kakuhle kwaye azinangcoliseko. Oku kunokubandakanya ukusebenzisa izinyibilikisi, ibrashi yocingo, okanye ezinye iindlela zokucoca.
- Irhasi yokuKhusela ngokufanelekileyo:Khetha igesi efanelekileyo yokukhusela kwizinto ezifakwe kwi-welded kwaye uqinisekise ukuba izinga lokuhamba lilungelelaniswa ngokuchanekileyo ukuze kugcinwe umoya wokukhusela.
- IiParameters zokuWelding eziPhumelelweyo:Lungisa iiparamitha ze-welding ukuze zihambelane nezinto ezithile kunye nobukhulu obudityanisiweyo. Oku kubandakanya i-welding current, i-voltage, kunye nesantya sokuhamba.
- Ukukhupha igesi:Sebenzisa iindlela zokuvumela irhasi evaleleke kwimingxunya ephothiweyo ukuba ibaleke phambi kwewelding, efana nokufudumeza kwangaphambili okanye ukucocwa.
- ULondolozo lwarhoqo:Hlola kwaye ugcine izixhobo ze-welding ngamaxesha athile ukuqinisekisa ukuba zisebenza ngokuchanekileyo kwaye akukho zivuza okanye imiba enokukhokelela kwi-porosity.
Ukuqukumbela, ubukho bamaqamza okanye iporosity kwindawo yokuwelda amandongomane bunokubalelwa kwizinto ezahlukeneyo, kubandakanywa ungcoliseko, ukungalungiseki kakuhle komphezulu, irhasi evaleleke kwimingxuma enemisonto, ukungonelanga kwerhasi yokukhusela, kunye neeparamitha zewelding engafanelekanga. Ngokujongana nale miba ngokucoca ngokufanelekileyo, igesi efanelekileyo yokukhusela, imilinganiselo ye-welding ephuculweyo, i-gas venting, kunye nokugcinwa rhoqo, umgangatho we-weld unokuphuculwa kakhulu, okubangelwa ukudibanisa okunamandla kunye nokuthembekileyo.
Ixesha lokuposa: Oct-20-2023
