Ngexesha lofakelo kunye nokubekwa kweqonga lesakhiwo se-galvanized steel grating, kudla ngokudibana ukuba imibhobho okanye izixhobo kufuneka zidlule kwiplatifomu yensimbi ngokuthe nkqo. Ukuze izixhobo zombhobho zikwazi ukudlula kwiqonga ngokucokisekileyo, ngokuqhelekileyo kuyimfuneko ukugqiba indawo kunye nobukhulu beendawo zokuvula ngexesha lenkqubo yokuyila, kwaye umenzi wensimbi yensimbi uya kwenza imveliso eyenziwe ngokwezifiso. Inkqubo yokuveliswa ngokwezifiso kuqala idinga isebe lokuyila i-steel grating ukunxibelelana kunye nokutshintshiselana ngolwazi kunye nesebe loyilo lwesakhiwo sensimbi, umboneleli wezixhobo, kunye nesebe lokuhlola kunye nemephu. Ngenxa yezinto ezininzi ezinxulumeneyo ezibandakanyekayo, kunye nobukhulu kunye nendawo yesixhobo sinokungaqiniseki okuthile. Ngexesha lofakelo kunye nokwakhiwa, kudla ngokuba yimeko yokuba imingxuma egcinwe ngokwezifiso ayikwazi ukuhlangabezana neemfuno zesayithi. Ngenxa yale meko, ukwenzela ukuba kuqinisekiswe izinga lokuvunwa kwentsimbi yensimbi kunye nokuphucula ukuyila kunye nokusebenza kakuhle kwemveliso yensimbi yensimbi. Kuyilo lwangoku kunye nenkqubo yokuvelisa, eminye imingxunya emincinci yedayamitha enezikhundla ekunzima ukuyifumanisa ayiqhelekanga kwaye ayilungiswanga. Endaweni yoko, iinkqubo zokucutshungulwa kwesibini ezifana nokuvulwa kwendawo, ukusika, i-welding, kunye nokugaya ziqhutyelwa ngokwemeko yangoku ngexesha lofakelo kunye nokwakhiwa kwegridi yensimbi.
Njengesixhobo esitsha, i-galvanized steel grating isanda kusetyenziswa ngokubanzi. I-galvanizing ibe yindlela ebalulekileyo yokulwa ne-corrosion ye-gratings yensimbi, kungekhona nje ngokuba i-zinc inokwenza i-dense layer ekhuselayo phezu kwentsimbi, kodwa nangenxa yokuba i-zinc inefuthe lokukhusela i-cathodic. Xa i-galvanized steel grating ihanjiswa kwisiza, ukuqhutyelwa kwesibini kunye ne-welding ngamanye amaxesha kuyadingeka ngenxa yesidingo sofakelo. Ubukho be-zinc layer kuzisa ubunzima obuthile kwi-welding ye-galvanized steel grating.
Uhlalutyo lwe-weldability ye-galvanized steel grating
I-galvanized steel grating kukuthintela umphezulu we-steel grating kwi-corrosion kunye nokwandisa ubomi bayo benkonzo. Uluhlu lwe-zinc yensimbi lufakwe kwi-surface ye-steel grating, kwaye umphezulu we-galvanized steel grating uya kuba neentyatyambo. Ngokwemveliso kunye neendlela zokusetyenzwa, inokohlulwa ngokwezi ndidi zilandelayo: ① ishidi legalvanized dip eshushu; ② ishidi lentsimbi ye-electrogalvanized. Indawo yokunyibilika ye-zinc yi-419℃ kwaye indawo yokubila yi-907℃, ephantsi kakhulu kunendawo yokunyibilika ye-iron 1500℃. Ngoko ke, ngexesha lenkqubo ye-welding, i-galvanized layer iyanyibilika phambi kwezinto zomzali. Emva kokuhlalutya oku ngasentla, iipropati zomatshini kunye neempawu ezibonakalayo zephepha le-galvanized ziyafana nezo ze-carbon steel sheet eziqhelekileyo. Ukwahlukana kuphela kukuba kukho i-galvanized layer phezu komgangatho we-galvanized steel grating. Inkqubo ye-welding ye-galvanized steel grating
(1) Ukuwelda kwe-arc ngesandla
Ukuze kuncitshiswe umsi we-welding kwaye uthintele isizukulwana sokuqhekeka kwe-welding kunye nama-pores, i-zinc layer kufuphi ne-groove kufuneka isuswe ngaphambi kwe-welding. Indlela yokususa ingaba yi-flame baking okanye i-sandblasting. Umgaqo wokukhetha iintonga ze-welding kukuba iimpawu ze-mechanical welding metal kufuneka zisondele kangangoko kunokwenzeka kwizinto zomzali, kwaye umxholo we-silicon kwi-welding rod flame metal kufuneka ilawulwe ngaphantsi kwe-0.2%. Kwi-carbon steel galvanized steel grating, i-J421 / J422 okanye i-J423 ye-welding rods kufuneka isetyenziswe kuqala. Xa udibanisa, zama ukusebenzisa i-arc emfutshane kwaye ungavumeli i-arc ijingi ukuthintela ukwandiswa kwendawo etyhidiweyo ye-zinc coating, qinisekisa ukuxhathisa kwe-corrosion ye-workpiece kunye nokunciphisa umsi womsi.
(2) Igesi ye-metallurgical electrode yegesi ekhuselekileyo ye-welding isebenzisa i-CO2 yegesi ekhuselekileyo ye-welding okanye i-gas edibeneyo ekhuselwe ukuwelda njenge-Ar + CO2, i-Ar + 02 ye-welding. Igesi ekhuselayo inempembelelo ebalulekileyo kumxholo weZn kwi-weld. Xa i-CO2 ecocekileyo okanye i-CO2 + 02 isetyenziswe, umxholo we-Zn kwi-weld uphezulu, ngelixa i-Ar + CO2 okanye i-Ar + 02 isetyenzisiweyo, umxholo we-Zn kwi-weld uphantsi. Ikhoyo ngoku inempembelelo encinci kumxholo weZn kwi-weld. Njengoko i-welding yangoku inyuka, umxholo we-Zn kwi-weld uyancipha kancane. Xa usebenzisa i-gas shielded welding to weld galvanized steel grating, i-welding fume inkulu kakhulu kune-arc welding manual, ngoko ke ingqwalasela ekhethekileyo kufuneka ihlawulwe ukukhupha. Izinto ezichaphazela ubungakanani kunye nokubunjwa komsi ikakhulu ngoku kunye negesi ekhuselayo. Inkulu yangoku, okanye umxholo omkhulu we-C02 okanye i-02 kwi-gas ekhuselayo, inkulu i-welding fume, kunye nomxholo we-Zn0 kwi-fume nayo iyanda. Ubuninzi bomxholo we-Zn0 unokufikelela malunga ne-70%. Ngaphantsi kweenkcukacha ezifanayo ze-welding, ubunzulu be-galvanized steel grating bukhulu kunobuchwephesha bensimbi obungekho.
Ixesha lokuposa: Jun-25-2024