1- Yintoni i-Investing Casting?
Ukuphosa utyalo-mali, eyaziwa ngokuba yi-wax elahlekileyo okanyeukuphosa ngokuchanekileyo, ibhekiselele ekwenziweni kwe-ceramic ejikeleze iipateni ze-wax ukwenza i-multi okanye inxalenye enye yokubumba ukufumana isinyithi esityhidiweyo. Le nkqubo isebenzisa inkqubo yepateni ye-wax echithwayo enaliti ebunjiweyo ukuphumeza iifom ezintsonkothileyo ezineempawu ezibalaseleyo zomphezulu. Ukwenza isikhunta, ipateni yewax, okanye iqoqo leepateni, ifakwe kwizinto ze-ceramic amaxesha amaninzi ukwakha igobolondo elishinyeneyo. Inkqubo ye-de-wax ilandelwa yinkqubo yokomisa iqokobhe. Iqokobhe le-wax-less ceramic liyaveliswa. Isinyithi esinyibilikisiweyo sigalelwa kwimingxuma yeqokobhe leceramic okanye iqoqo, kwaye xa sele liqinile kwaye lipholile, iqokobhe leceramic liyaqhawuka liveze into yokugqibela yentsimbi.Utyalo-mali oluchanekileyoinokufezekisa ukuchaneka okukhethekileyo kuzo zombini iindawo zokuphosa ezincinci kunye ezinkulu kuluhlu olubanzi lwezinto.
2- Yintoni i-Advantages yoTyalo-mali lokuCasa?
✔ Ugqweso olugqwesileyo kunye nolugudileyo
✔ Ukunyamezela okuqinileyo.
✔ Iimilo ezintsonkothileyo nezintsonkothileyo ezinokuguquguquka koyilo
✔ Ukukwazi ukuphosa iindonga ezibhityileyo ngoko ke icandelo lokuphosa elilula
✔ Ukukhetha okubanzi kweentsimbi kunye nealloys (i-ferrous kunye ne-non-ferrous)
✔ Uyilo alufunwa kuyilo lokungunda.
✔ Nciphisa imfuneko yomatshini wesibini.
✔ Inkunkuma yezinto eziphathekayo.
3- Ngawaphi amaNyathelo oTyalo-mali olwenziwayo?
Ngethuba lenkqubo yokutshala imali, iphethini ye-wax ifakwe kwi-ceramic material, ethi, xa ilukhuni, ithatha i-geometry yangaphakathi yokuphosa okufunwayo. Kwiimeko ezininzi, amalungu amaninzi adityaniswa kunye ukuze asebenze ngokufanelekileyo ngokuncamathisela iipateni zewax nganye kwintonga esembindini yewax ebizwa ngokuba yisprue. I-wax inyibilika ngaphandle kwepatheni - yiyo loo nto ikwabizwa ngokuba yinkqubo ye-wax elahlekileyo - kwaye isinyithi esityhidiweyo sigalelwa emgodini. Xa isinyithi siqina, i-ceramic mold iyashukunyiswa, ishiya i-net shape esondeleyo ye-casting efunwayo, ilandelwa kukugqiba, ukuvavanya kunye nokupakishwa.
4- Yintoni uTyalo-mali olusetyenziselwa ntoni?
Utyalo mali lusetyenziswa ngokubanzi kwiiimpompo kunye neevalvu, iimoto, iilori,hydraulics, iilori ze-forklift kunye nezinye ezininziamashishini. Ngenxa yonyamezelo olukhethekileyo lokuphosa kunye nokugqiba okugqwesileyo, ukulahlwa kwewax elahlekileyo kusetyenziswa ngakumbi nangakumbi. Ngokukodwa, iinsimbi stainless utyalo castingszidlala indima ebalulekileyo ekwakhiweni kweenqanawa kunye nezikhephe kuba zinentsebenzo eyomeleleyo yokuchasana nomhlwa.
5- Yeyiphi iNyamezelo yokuLahla enokufikelela kwiFoundry yakho ngoTyalo mali?
Ngokwezixhobo ezahlukeneyo zokubopha ezisetyenziselwa ukwenza iqokobhe, utyalo-mali lunokwahlulwa lube yi-silica sol casting kunye neglasi yamanzi. Inkqubo yokuphosa i-silica sol ine-Dimensional Casting Tolerances (DCT) kunye neGeometrical Casting Tolerances (GCT) kunenkqubo yeglasi yamanzi. Nangona kunjalo, nangenkqubo efanayo yokuphosa, iBanga loNyamezelo liya kwahluka kwi-alloy nganye ngenxa yokwahluka kwazo.
Yethuisiseko sotyalo-maliNdingathanda ukuthetha nawe ukuba unesicelo esikhethekileyo malunga nonyamezelo olufunekayo. Apha koku kulandelayo kukho ibakala lokunyamezelana ngokubanzi esinokufikelela kuzo zombini nge-silica sol casting kunye neenkqubo zokugalela iglasi yamanzi ngokwahlukeneyo:
✔ IBanga leDCT nguSilica Sol Lost Wax Casting: DCTG4 ~ DCTG6
✔ IBanga leDCT ngeGlasi yaManzi iLast Wax: DCTG5 ~ DCTG9
✔ IBanga le-GCT nguSilica Sol Lost Wax Casting: GCTG3 ~ GCTG5
✔ IBanga le-GCT ngeglasi yaManzi iLast Wax Casting: GCTG3 ~ GCTG5
6- Yintoni imida yobungakanani boTyalo-mali lweCast Components?
Ukuchithwa kotyalo-mali kunokuveliswa kuzo zonke i-alloys ukusuka kwiqhezu le-ounce, kwi-braces yamazinyo, ukuya ngaphezu kwe-1,000 lbs. (453.6 kg) kumacandelo enjini yenqwelomoya entsonkothileyo. Izinto ezincinci zinokujulwa kumakhulu ngomthi ngamnye, ngelixa ubukhulu becala buhlala buveliswa ngomthi omnye. Umda wobunzima bokuphosa utyalo-mali kuxhomekeke kwisixhobo sokuphatha umngundo kwiisicwangciso sokuphosat. Izibonelelo ziphose iinxalenye ukuya kuthi ga kwi-20 lbs. (9.07kg). Nangona kunjalo, izibonelelo ezininzi zasekhaya zonyusa amandla abo okugalela iinxalenye ezinkulu, kunye namacandelo kwi-20-120-lb. (9.07-54.43-kg) uluhlu luba luqhelekileyo. Umlinganiselo osoloko usetyenziswa ekuyileni utyalo mali yi-3:1—kwi-1-lb nganye. (0.45-kg) yokuphosa, kufuneka kubekho i-3 lbs. (1.36 kg) ukuya emthini, kuxhomekeke kwisivuno esiyimfuneko kunye nobukhulu becandelo. Umthi usoloko kufuneka ube mkhulu kakhulu kunecandelo, kwaye umlinganiselo uqinisekisa ukuba ngexesha lokuphosa kunye neenkqubo zokuqinisa, igesi kunye nokunciphisa kuya kugqiba emthini, kungekhona ukuphosa.
7- Loluphi uhlobo lokugqitywa komphezulu oluveliswa ngoTyalo mali?
Ngenxa yokuba iqokobhe le-ceramic lidityaniswe malunga neepateni ezigudileyo eziveliswa ngokutofa iwax kwi-aluminium epholisiweyo yokufa, ukugqitywa kokugqibela kokuphosa kuhle kakhulu. I-125 rms micro finish isemgangathweni kwaye igqitywe kakuhle (63 okanye i-32 rms) inokwenzeka ngemisebenzi yokugqiba i-post-cast yesibini. Izixhobo zokugalela isinyithi zomntu ngamnye zinemigangatho yazo yokujongana neziphako ezingaphezulu, kwaye abasebenzi beziko kunye neenjineli zoyilo / abathengi baya kuxoxa ngobu buchule phambi kokuba kukhutshwe umyalelo wesixhobo. Imigangatho ethile ixhomekeke ekusetyenzisweni kwecandelo kunye neempawu zokugqibela zokuthambisa.
8- Ngaba uTyalo-mali luyabiza?
Ngenxa yeendleko kunye nomsebenzi kunye nokubumba, ukuchithwa kotyalo-mali ngokubanzi kuneendleko eziphezulu kuneendawo ezibunjiweyo okanyeukugalela isantikunye neendlela ezisisigxina zokubunjwa ngundo. Nangona kunjalo, benza iindleko eziphezulu ngokunciphisaumatshiniiphunyezwe ngokunyamezelwa kwe-as-cast near-net-shape. Omnye umzekelo woku kukwenziwa kwezinto ezintsha kwiingalo zerocker zemoto, ezinokuphoswa ngaphandle komatshini ofunekayo. Abaninziiindawo zentsimbiezifuna ukugaya, ukuguqula, ukugrumba kunye nokugaya ukugqiba kunokuthi kufakwe utyalo-mali kunye ne-0.020-0.030 kuphela isitokhwe sokugqiba. Ngaphezu koko, ukufakwa kotyalo-mali kufuna ii-engile zoyilo oluncinci ukususa iipateni kwisixhobo; kwaye akukho idrafti efunekayo ukususa iintsimbi zetsimbi kwiqokobhe lotyalo-mali. Oku kunokuvumela ii-angles ezineengile ze-90-degree ukuba ziyilwe kungabikho machining ongezelelweyo ukufumana ezo engile.
9- Sesiphi isiXhobo sokuSebenza kunye nePattern esiyimfuneko kwiLast Wax Casting?
Ukuvelisa iipateni zokubumba i-wax, i-cavity-cavity metal die (kunye nesimo sokugqibela) kuya kufuneka yenziwe. Ngokuxhomekeke kubunzima bokuphosa, imidibaniso eyahlukeneyo yesinyithi, i-ceramic okanye i-soluble cores ingaqeshwa ukuvumela ukucwangciswa okufunwayo. Uninzi lwezixhobo zokuphosa iindleko zotyalo-mali phakathi kwe-$500-$10,000. Iiprototypes ezikhawulezayo (RP), ezinjengeemodeli zestereo lithography (SLA), nazo zingasetyenziswa. Iimodeli ze-RP zinokudalwa ngeeyure kwaye zithathe ubume obuchanekileyo benxalenye. Amalungu e-RP ke anokudityaniswa kunye kwaye agqunywe ngodaka lweceramic kwaye atshiswe avumele umngxuma ongenanto ukufumana iprototype yecandelo lotyalo-mali. Ukuba ukuphosa kukhulu kunemvulophu yokwakha, iinxalenye ezininzi ze-RP sub-component zingenziwa, zihlanganiswe zibe yinxalenye enye, kwaye ziphoswe ukuze kuphunyezwe icandelo lokugqibela leprototype. Ukusebenzisa iinxalenye ze-RP akufanelekile kwimveliso ephezulu, kodwa kunokunceda iqela loyilo lihlolisise inxalenye yokuchaneka kunye nefom, ukulungeleka kunye nokusebenza ngaphambi kokungenisa umyalelo wesixhobo. Amalungu e-RP avumela umyili ukuba avavanye ulungelelwaniso lwamacandelo amaninzi okanye enye ialloys ngaphandle kwexabiso elikhulu lezixhobo.
10- Ngaba kukho i-Porosity kunye / okanye i-Shrinkage Defects nge-Investment Castings?
Oku kuxhomekeke kwindlela isibonelelo sokugalela intsimbi esiyenza ngayo igesi kwisinyithi esinyibilikisiweyo kunye nokuba amalungu aqina ngokukhawuleza kangakanani. Njengoko kukhankanyiwe ngaphambili, umthi owakhiwe ngokufanelekileyo uya kuvumela i-porosity ukuba ibanjwe emthini, kungekhona ukuphosa, kunye negobolondo ye-ceramic yokushisa okuphezulu ivumela ukupholisa okungcono. Kwakhona, amacandelo e-vacuum-investment cast asusa isinyithi esinyibilikisiweyo seziphene zegesi njengoko umoya upheliswa. Utyalo-mali lusetyenziselwa izicelo ezininzi ezibalulekileyo ezifuna i-x-reyi kwaye kufuneka zihlangabezane neendlela eziqinisekileyo zokulunga. Ukunyaniseka kokuphoswa kotyalo-mali kunokuba phezulu kakhulu kuneenxalenye eziveliswa zezinye iindlela.
11- Zeziphi izinyithi kunye ne-alloys ezinokugalelwa ngoTyalo-mali olugalelwe kwi-Foundry yakho?
Phantse uninzi lwesinyithi kunye nentsimbi ye-ferrous kunyeialloyiinokuqhutywa yinkqubo yotyalo-mali. Kodwa, kwindawo yethu elahlekileyo yokuphosa iwax, siphosa ubukhulu becalacarbon steel, intsimbi yealloyi, intsimbi engatyiwa,super duplex steel stainless, intsimbi engwevu, intsimbi etyhidiweyo,ialloys aluminiyam kunye nobhedu. Ukongezelela, izicelo ezithile zifuna ukusetyenziswa kwezinye ii-alloys ezikhethekileyo ezisetyenziswa ngokukodwa kwiindawo ezibuhlungu. Ezi ngxubevange, ezifana neTitanium kunye neVanadium, zihlangabezana neemfuno ezongezelelweyo ezinokuthi zingafezekiswa ngeengxube zeAluminiyam eziqhelekileyo. Umzekelo, ii-alloys ze-Titanium zihlala zisetyenziselwa ukuvelisa iiblade ze-iturbine kunye ne-vanes kwiinjini ze-aerospace. I-Cobalt-base kunye ne-Nickel-base alloys (kunye neentlobo ezahlukeneyo zesibini ezongezelelweyo ukufezekisa amandla athile-amandla, ukuqina kwe-corrosion kunye ne-heaters-resistant-resistant properties), ziintlobo ezongezelelweyo zetsimbi.
12- Kutheni i-Investment Casting ikwabizwa ngokuba yi-Precision Casting?
Ukuphoswa kotyalo-mali kukwabizwa ngokuba yi-precision casting kuba inomgangatho ongcono kakhulu kunye nokuchaneka okuphezulu kunayo nayiphi na enye inkqubo yokuphosa. Ngokukodwa kwinkqubo yokuphosa i-silica sol, ukujulwa okugqityiweyo kunokufikelela kwi-CT3 ~ CT5 ekunyamezelweni kwe-geometrical casting kunye ne-CT4 ~ CT6 kwi-dimensional casting tolerance. Kwii-casings eziveliswe yinkqubo yokuphosa utyalo-mali, kuya kuba ngaphantsi okanye akukho mfuneko yokwenza iinkqubo zomatshini. Kwinqanaba elithile, ukufakwa kotyalo-mali kunokuthatha indawo yenkqubo yomatshini orhabaxa.
13- Kutheni iLast Wax Casting ebizwa ngokuba yi Investment Casting?
Utyalo-mali lufumana igama ngenxa yokuba iipateni (i-wax replicas) ityalwe ngemathiriyeli erhangqweyo ye-refractory ngexesha.inkqubo yokuphosa. “Utyalo-mali” apha lithetha ukurhangqwa. I-wax replicas kufuneka ityalwe (irhangqwe) ngezinto ezichasayo ukumelana nobushushu obuphezulu beentsimbi ezinyibilikisiweyo eziqukuqelayo ngexesha lokusalwa.