Insimbi ye-cast alloy kufuneka isetyenziswe xa amandla okuphosa aphezulu kwaye ukusetyenziswa kwesinyithi akukwazi ukuhlangabezana neemfuno. Nangona kunjalo, i-fluidity yensimbi etyhidiweyo yensimbi etyhidiweyo ayilungile njengentsimbi etyhidiweyo, ngoko ubukhulu besakhiwo sokugalela akufanele bube buncinci kwaye ubume akufanele bube nzima kakhulu. Xa umxholo we-silicon ulawulwa kumda ophezulu, i-fluidity yensimbi etyhidiweyo inokuphuculwa.
Resin camera isanti iqokobhe ngundo ukugalelayinkqubo apho isanti exutywe nentlaka ye-thermosetting ivunyelwe ukuba idibane neplate yepateni yesinyithi eshushu, ukuze iqokobhe elibhityileyo neliqinileyo lokungunda lenziwe lijikeleze i-pattem. Emva koko igobolondo iyasuswa kwipatheni kwaye i-cope kunye ne-drag isuswe kunye kwaye igcinwe kwi-flask kunye nezinto eziyimfuneko zokubuyisela kunye nentsimbi etyhidiweyo igalelwe kwi-mold.
Ngokuqhelekileyo, isanti eyomileyo necolekileyo engenaludongwe ngokupheleleyo isetyenziselwa ukulungisa isanti yokubumba iqokobhe. Ubungakanani beenkozo eziza kunyulwa buxhomekeke kumphezulu wokugqiba ofunekayo kwiintsimbi yentsimbi. Ukucolwa kakhulu ubungakanani beenkozo kufuna isixa esikhulu sentlaka, nto leyo eyenza ukuba ukungunda kubize kakhulu.
Iireyini zokwenziwa ezisetyenziswa ekubumbeni iqokobhe ngokwesiseko ziiresina zokubeka i-thermosetting, ezithi zibe lukhuni ngokungenakujikwa bubushushu. Iireyini ezisetyenziswa kakhulu zii-phenol formaldehyde resins. Xa zidibene nesanti, zinamandla aphezulu kakhulu kunye nokuchasana nobushushu. I-phenolic resins ezisetyenziswa ekubumbeni iqokobhe zihlala ziziindidi ezimbini, oko kukuthi, i-resin ine-phenol engaphezulu kwaye isebenza njengesixhobo se-thermoplastic. Ngexesha lokugquma ngesanti i-resin idityaniswe ne-catalyst efana ne-hexa methylene tetramine kumlinganiselo omalunga ne-14 ukuya kwi-16% ukwenzela ukuphuhlisa iimpawu ze-thermosetting. Iqondo lobushushu lokunyanga ezi zinto linokuba malunga ne-150 C kwaye ixesha elifunekayo liya kuba ngama-50 ukuya kuma-60.
Izinto eziluncedo kwiResin Coated Sand Shell Mold Casting:
1. Intlabathi egqunywe ngentlabathi yentlabathi yeqokobhe yeqokobhe ichaneke ngakumbi kunokwakheka kwesanti. Kunokwenzeka ukuba ufumane ukunyamezela kwe-+0.25 mm ye-castings yensimbi kunye +0. I-35 mm ye-grey cast iron castings phantsi kweemeko eziqhelekileyo zokusebenza. Kwimeko yokubumba iqokobhe esondeleleneyo, umntu unokuyifumana kuluhlu lwe +0.03 ukuya +0.13 mm kwizicelo ezithile.
2. Umphezulu ogudileyo unokufumaneka kwi-shell castings. Oku kuphunyezwa ikakhulu ngobungakanani obucolekileyo obusetyenziswayo. Uluhlu oluqhelekileyo loburhabaxa luyi-odolo ye-3 ukuya kwi-6 microns.
3. Ii-engile zokuyila, ezingaphantsi kwesanti, ziyafuneka kwi-shell molds. Ukuncitshiswa kwee-angles eziqulunqiweyo kunokusuka kwi-50 ukuya kwi-75%, egcina kakhulu iindleko zempahla kunye neendleko zomatshini ezilandelayo.
4. Ngamanye amaxesha, ii-cores ezikhethekileyo zinokukhutshwa ekubunjweni kweqokobhe. Kuba isanti inamandla aphezulu ukungunda kunokuyilwa ngendlela yokuba imingxunya yangaphakathi yenziwe ngokuthe ngqo kunye nesidingo semiqolo yeqokobhe.
5. Kwakhona, amacandelo amancinci kakhulu (ukuya kwi-0.25 mm) yohlobo lweentloko ze-cylinder ezipholileyo zomoya zingenziwa ngokulula ngokubumba igobolondo ngenxa yamandla aphezulu entlabathi esetyenziselwa ukubumba.
6. Ukunyanzeliswa kwegobolondo kuphezulu kwaye ngoko akukho kufakwa kwegesi okwenzekayo.
7. Isanti encinci kakhulu kufuneka isetyenziswe.
8. Umatshini unokwenzeka ngokulula ngenxa yokulungiswa okulula okubandakanyekayo ekubumbeni iqokobhe.
IMathiriyeli ekrwada yeNkqubo yokuSasa ngeResin egqunywe ngeSanti:
• I-Ayini yokuCasa: Intsimbi yokuCasa eGrey, i-Ductile Cast iron.
• I-Cast Carbon Steel kunye ne-Alloy Steel: I-Low Carbon Steel, i-Medium Carbon Steel kunye ne-High Carbon Steel ukusuka kwi-AISI 1020 ukuya kwi-AISI 1060; 20CrMnTi, 20SiMn, 30SiMn, 30CrMo, 35CrMo, 35SiMn, 35CrMnSi, 40Mn, 40Cr, 42Cr, 42CrMo... njl njl.
• I-Cast Stainless Steel: i-AISI 304, i-AISI 304L, i-AISI 316, i-AISI 316L kunye nenye ibakala lensimbi engenasici.
• I-Aluminiyam ye-Cast Alloys.
• IBras & Copper.
• Ezinye izinto kunye neMigangatho xa iceliwe
▶ IResin egqunywe ngeSanti:
• Ubungakanani obukhulu: 1,000 mm × 800 mm × 500 mm
• Ubunzima Uluhlu: 0.5 kg - 100 kg
• Umthamo woNyaka: iitoni ezingama-2,000
• Unyamezelo: Ngesicelo.
▶ UkuhlolaResin Coated Sandings Sants:
• Uhlalutyo lwe-Spectrographic kunye nencwadana yobungakanani
• Uhlalutyo lwe-metallographic
• Ukuhlolwa kokuqina kweBrinell, Rockwell kunye noVickers
• Uhlalutyo lwepropathi yoomatshini
• Uvavanyo lwefuthe lobushushu obuphantsi noluqhelekileyo
• Ukuhlolwa kococeko
• Ukuhlolwa kwe-UT, MT kunye neRT
▶ Iinkqubo zokugalelwa kwesanti egqunywe ngeResin:
✔ Ukwenza iipateni zesinyithi. Isanti ye-resin efakwe ngaphambili kufuneka ifudunyezwe kwiipateni, ngoko ke iipateni zetsimbi zizixhobo eziyimfuneko ukwenza i-shell molding castings.
✔ Ukwenza i-Sand Mold eqatywe kwangaphambili. Emva kokufaka iipateni zetsimbi kumatshini wokubumba, isanti ye-resin efakwe ngaphambili iya kudutshulwa kwiipatheni, kwaye emva kokufudumeza, i-resin yokugqoka iya kunyibilika, emva koko iimbumba zesanti zibe yigobolondo yesanti eqinile kunye neentsimbi.
✔ Ukunyibilikisa iCast Metal. Ukusebenzisa i-furnaces induction, izinto ziya kunyibilika zibe yi-liquid, emva koko ukubunjwa kweekhemikhali zesinyithi se-liquid kufuneka kuhlalutywe ukuze kuhambelane namanani afunekayo kunye neepesenti.
✔ Ukugalela isinyithi. Xa isinyithi esinyibilikisiweyo sihlangabezana neemfuno, ngoko ziya kugalelwa kwi-shell shell molds. Ngokusekwe kubalinganiswa abahlukeneyo boyilo lokubunjwa, ukubumba iqokobhe kuya kungcwatywa kwisanti eluhlaza okanye kuhlanganiswe ngamaleko.
✔ Ukudutyulwa kokuqhunyiswa, ukuSila kunye nokuCoca. Emva kokupholisa kunye nokuqiniswa kwee-castings, ukukhuphuka, amasango okanye isinyithi esongezelelweyo kufuneka sinqunywe kwaye sisuswe. Emva koko iintsimbi ziyakucocwa ngezixhobo zokukrola esantini okanye ngoomatshini abadubulayo. Emva kokugaya intloko yesango kunye nemigca yokuqhawula, iinxalenye ezigqityiweyo zokuphosa ziza kuza, zilindele iinkqubo ezingaphezulu xa zifuneka.
▶ Inkqubo yasemva kokuSasa
• Ukukhupha imali kunye nokuCoca
• Ukudutyulwa kokudutyulwa / ukukrolwa kwesanti
• Ukunyangwa koBushushu: Ukulungiswa, ukuCima, ukufudumala, i-Carburization, i-Nitriding
• Unyango lwe-Surface: Passivation, Andonizing, Electroplating, Hot Zinc Plating, Zinc Plating, Nickel Plating, Polishing, Electro-Polishing, Painting, GeoMet, Zintec.
• CNC Machining: Ukujika, Milling, Lathing, Drilling, Honing, Grinding.
▶ Isizathu Sokuba UkhetheRMC FoundryyeShell Mold Casting Components?
✔ Ukuchaneka kunye nokusetyenziswa kwezinto eziphezulu. Uya kufumana umnatha okanye iimveliso ezikufutshane ne-net-shape emva kokubunjwa kweqokobhe, ngokuxhomekeke kwiimfuno zabasebenzisi bokugqibela, akuyi kubakho okanye kuncinci kakhulu inkqubo yomatshini efunekayo.
✔ Ukusebenza ngcono komphezulu. Ngombulelo kwizinto ezintsha zobuchwephesha bokubumba, ukubunjwa kweqokobhe kunomphezulu ocolekileyo kunye nokuchaneka okuphezulu.
✔ Ukhetho olulungeleleneyo oluthelekisa nokugalelwa kwesanti kunye notyalo-mali. Ukubunjwa kweqokobhe kunomsebenzi ongcono kunye nomphezulu kunokuphosa kwesanti, ngelixa kuneendleko eziphantsi kakhulu kunokusasazwa kotyalo-mali oluchanekileyo.
