Ukuba isanti ye-Foundry ithathelwe indawo yisanti ye-ceramic kwimveliso ye-castings, iingxaki ezininzi ezifunyenwe kwimveliso ye-furan resin self-setting inkqubo yesanti ingasonjululwa kakuhle.
Isanti yeCeramic yisanti eyenziweyo engqukuva ene-refractoriness ephezulu esekwe kwi-Al2O3. Ngokuqhelekileyo, umxholo we-alumina ungaphezulu kwe-60%, eyisanti engathathi hlangothi. Ngokusisiseko ayiphenduli nge-furan resin kunye ne-hardener, enokunciphisa ngokufanelekileyo ukusetyenziswa kwe-asidi kunye nokuphucula umgangatho wokuphosa.
Xa kuthelekiswa nesanti ye-silica, inani le-resin kunye ne-hardener yongezwa kwisanti ye-ceramic iyancipha kakhulu. Xa isixa se-resin esongeziweyo sincitshiswa ngama-40%, amandla esanti yokubumba asephezulu kunesanti ye-silica. Ngelixa ixabiso lokuphosa lincitshisiwe, ukukhutshwa kwegesi kuncitshisiwe kwi-sand molding okanye kwi-core, iziphene ze-porosity ziyancipha kakhulu, umgangatho wokuphosa uphuculwe, kwaye izinga lesivuno landa.
Ukubuyiselwa kwesanti ye-furan resin, okwangoku, ukubuyiselwa komatshini wokukhuhlana kuthandwa kakhulu eTshayina. I-silica sand recycling isebenzisa indlela yomatshini. Ngethuba lenkqubo yokuhlaziya, iya kuphulwa, ubukhulu becala lentlabathi yokuhlaziya iya kuba yincinci, inani elihambelanayo le-resin elongeziweyo liya kwanda ngakumbi, kwaye ukusebenza kwe-venting yentlabathi yokubumba kuya kuba kubi kakhulu. Nangona kunjalo ubungakanani bamasuntswana esanti ye-ceramic phantse abukho naluphi na utshintsho kwindlela yokukhuhlana koomatshini ngaphakathi kwamaxesha angama-40, anokuqinisekisa ngokufanelekileyo ukuba umgangatho wokuphosa uzinzile.
Ukongeza, isanti ye-silica isanti ye-polygonal. Kuyilo lokubumba, i-angle eyidrafti yeziqwenga ezincinci kunye neziphakathi ziyilwe ngokubanzi malunga ne-1%. Isanti yeCeramic iyingqukuva, kwaye ukungqubana kwayo kuncinci kunesanti ye-silica, ngoko ke i-angle eyidrafti inokuncitshiswa ngokufanelekileyo, okonga iindleko zomatshini olandelayo. Izinga lokubuyiselwa kwesanti ye-silica liphantsi, izinga lokubuyisela ngokubanzi li-90% ~ 95%, inkunkuma eyomeleleyo iyaveliswa, kwaye kukho uthuli oluninzi kwindawo yokuphosa kwindawo yokusebenzela. Izinga lokubuyiselwa kwesanti ye-ceramic inokufikelela ngaphezu kwe-98%, enokunciphisa ngokufanelekileyo ukukhutshwa kwenkunkuma eqinile kwaye yenze iworkshop yemveliso ibe luhlaza kwaye isempilweni.
Isanti yeCeramic inobuqhophololo obuphezulu, isondele kwimilo yeenkozo ezingqukuva kunye nolwelo olulungileyo. Ngethuba lenkqubo yokuvelisa i-castings, ngokuqinisekileyo akukho ziphene zesanti ezinamathele ziya kwenzeka, ezinokunciphisa ngokufanelekileyo umsebenzi wokucoca nokugaya. Ngaphezu koko, ibakala okanye inani lokwaleka linokuncitshiswa, linciphise ngakumbi ixabiso lemveliso ye-castings.
Ixesha lokuposa: Jun-14-2023
