Isishwankathelo: Esi sikhokelo esisebenzayo sicalula oonobangela botyalo-mali bokuphosa isiphene kunye namanyathelo okulawula umgangatho anokuthatyathwa, ukunceda amaqela emizi-mveliso aphucule isivuno esiyinxalenye kwaye akhethe ababoneleli abafanelekileyo.
Kwiinjineli kunye nabathengi bemizi-mveliso, ukuphosa utyalo-mali - okwakwaziwa ngokubanzi njengokuphoswa kwewax elahlekileyo - kuhlala kubhidaniswa negama elibanzi lokuphosa ngokuchanekileyo.
Abasebenzisi abaninzi bakhangela la magama ngokutshintshanayo, kodwa umahluko ubalulekile xa ufuna ukuseta okucacileyo okulindelweyo.
Ukwenziwa kotyalo-mali kubhekiselele kwinkqubo yokwenziwa kwezahlulo kusetyenziswa ipateni yewax elahlwayo eqatywe ngemathiriyeli yeseramikhi esichasayo.
Ukulahlwa kwewax elahlekileyo kuchaza inkqubo engundoqo efanayo, ngelixa ukuphosa okuchanekileyo iligama elibanzi eligubungela iinkqubo ezininzi zokwenziwa kwe-net-shape yokwenziwa, kunye nokuphosa utyalo-mali njengesebe elinye elikhulu.
Esi sikhokelo sijolise kwisiphene kunye nemingeni yolawulo lomgangatho ekhethekileyo kwindlela yokusebenza yotyalo-mali, kunokuphinda inkcazo yenkqubo yokuphosa echanekileyo.
Kumaqela afuna imvelaphi eyongezelelekileyo kwinkqubo engundoqo, ungabhekisa kwintshayelelo yethu epheleleyo kwitekhnoloji yokuphosa i-wax elahlekileyo.
Uninzi lweziphene zokuCasa uTyalo-mali oluqhelekileyo kunye noonobangela bazo
Nokuba kukho iiparameters zenkqubo esele zimiselwe, iinxalenye zotyalo-mali zihlala ziphuhlisa iziphene ezingabonakali de kuhlolwe okokugqibela.
Uninzi lwale miba ayiveli nje ngokungacwangciswanga. Babuyela emva kumanqaku athile alawulekayo ekwenzeni ipateni, ukuveliswa kweqokobhe okanye ukugalelwa.
Ukuqonda ezi zizathu zisisiseko kunceda amaqela anciphise ukuphinda asebenze kwakhona kwaye aphephe ukwamkela iibhetshi ezineziphene.
I-Gas Porosity kunye nokuBandakanywa
Irhasi porosity ibonakala njengee-voids ezincinci ezingqukuva ngaphezulu okanye ngaphantsi komphezulu wenxalenye, idla ngokuvezwa kuphela emva komatshini.
Ihlala isenziwa xa irhasi evaleleke ngaphakathi kwiqokobhe leceramic ayibaleki ngokukhawuleza ngokwaneleyo ngexesha lokuzaliswa kwesinyithi esinyibilikisiweyo, umba oqhelekileyo xa kusenziwa izinto ezinzima. steel stainless impeller castings.
Izinto eziqhelekileyo zibandakanya ukungakwazi ukungena kweqokobhe, ukufuma okugqithisileyo kwizinto eziphikisayo, okanye ukugalela isinyithi ngesantya esiphezulu esibamba umoya ngaphakathi kumngundo.
Ukufakwa okuqinileyo ngamasuntswana angaphandle angeyintsimbi afakwe kwi-casting.
Ngokuqhelekileyo zivela kwiqhekeza leqokobhe eliqhekekileyo eliqhekezayo ngexesha lokugalelwa, uthuthu olushiyekileyo olungatshiyo olushiywe ngaphakathi kumngundo emva kokutshiswa kwewax, okanye ukungcola okuxutywe kwintsimbi etyhidiweyo ngaphambi kokugalelwa.
Ngokungafaniyo ne-porosity yendawo esecaleni, ukubandakanywa okukhulu okufakwe ngaphakathi kunokubangela ukungaphumeleli kwenxalenye engalindelekanga phantsi komthwalo we-cyclic.
I-Shrinkage Cavity kunye ne-Micro Porosity
Iziphene zokushwabana zenza xa isinyithi esinyibilikisiweyo sishwabana kakhulu ngexesha lokuqiniswa ngaphandle kokufumana imathiriyeli eyongezelelweyo yokutya ulwelo ukuhlawula.
Imingxunya emikhulu evulekileyo yokuncipha kulula ukuyibona kwindawo engaphezulu, kodwa i-micro porosity efihlwe ngaphakathi kumacandelo ashinyeneyo iyingxaki kakhulu.
Ngokuqhelekileyo ayibonakali ngexesha lokuhlolwa okubonakalayo okuqhelekileyo, kwaye kuphela ukuvuza okanye ukuhluleka uvavanyo loxinzelelo ixesha elide emva kokuba inxalenye ihanjiswe.
Esi siphene sisoloko sikhomba ekungangeni kakuhle kwesango kunye noyilo lwesinyusi.
Ukuba ulandelelwano lokuqiniswa alulandeli indlela ecacileyo yecala ukusuka kwelona candelo likude libuyela kwisinyusi sokutya, iindawo ezishushu ezizimeleyo ngokuqinisekileyo ziya kubumba kwaye zidale ukushwabana kwangaphakathi.
Ukuqhekeka komphezulu kunye nokuGwathwa
Ukuqhekeka komphezulu kunye nokugqwetheka kwenxalenye kudla ngokuvela ngexesha lokupholisa. Uxinzelelo lwe-thermal olungalinganiyo ludlula amandla ezinto eziphathekayo kwiqondo lokushisa eliphezulu.
Lo mbandela uxhaphake ngakumbi kwiindawo zejiyometri ezinodonga olubhityileyo, apho amacandelo ahlukeneyo eludongeni ephola ngemilinganiselo eyahlukileyo kakhulu.
Iintanda nazo zinokuziswa ngexesha lenkqubo yokukhupha iqokobhe.
Ukuba abasebenzi bafaka iimpembelelo ezigqithisileyo zoomatshini ngelixa besusa iqokobhe leceramic, ukuphosa okuseshushu ngokwentelekiso kunokuphuhlisa iintanda ezincinci ezifihlakeleyo ezithi zisasazeke kamva ngexesha lomatshini okanye inkonzo.
Ukugqwetheka kaninzi kwenzeka xa ipateni yewax yona ngokwayo iguquka phambi kokwakhiwa kweqokobhe, okanye xa ukuphosa kukhutshiwe ngelixa kuhlala kushushu, phambi kokuba uxinzelelo lwangaphakathi lobushushu luphele ngokwaneleyo.
Ii-Actionable Investment Casting Control Control Points
Iingxaki ezininzi zokuphosa utyalo-mali azikwazi ukulungiswa emva kokugalela.
Esona sicwangciso sisebenzayo solawulo kukuseka iindawo zokukhangela ezingqinisisekayo kulo lonke inqanaba elikhulu lemveliso, endaweni yokuxhomekeka ngokupheleleyo ekuhlolweni kwenxalenye yokugqibela.
Le ndlela ibamba iimpazamo ezinokuphepheka kwangoko kwaye ithintele iibhetshi zonke ukuba zilahlwe.
Ukuhlolwa kwangaphambili kweMold kunye neWax Pattern
Ulawulo lomgangatho luqala phambi kokuba kugalelwe nayiphi na isinyithi. I-checkpoint yokuqala ebalulekileyo yinkqubo yokuqala yokuhlolwa komlinganiselo we-wax.
Nokuba iimpazamo ezincinci kwipatheni ye-wax ziya kuphindaphindeka emva kokwakhiwa kweqokobhe kunye nokuqina kwesinyithi, okwenza inxalenye yokugqibela yonyamezelo.
Ukuziqhelanisa okusemgangathweni kukuhlola ipateni yokuqala ye-wax kuyo yonke imveliso entsha eqhutywe ngokuchasene nomzobo opheleleyo we-2D, kunokujonga kuphela imilinganiselo embalwa ebalulekileyo.
Amaqela kufuneka aqinisekise kwakhona ukuba akukho mibimbi emphezulu ebonakalayo, imigca yokuhamba okanye iiphenethi zesitofu sepateni zikhona kwindawo ye-wax, njengoko ezi ziza kudlulisela ngokuthe ngqo kumphezulu wentsimbi wokugqibela.
Ukwenza iqokobhe kunye noLawulo lweNkqubo yokuGalela
Le yeyona ndawo yokukhangela umgangatho ehlala ingahoywa kubathengi abaninzi, kuba inkqubo yokwakha iqokobhe yenzeka ngaphakathi kwisiseko kwaye ayifane ibonakale kubathengi.
Inani leeleya zokugquma ngeceramic, ixesha lokumisa elilawulwayo phakathi komaleko ngamnye, kunye neqondo lokugqibela lobushushu obuphezulu bobushushu bokutshiswa kweqokobhe zonke zichaphazela ngqo umgangatho wokugqibela wokuphosa.
Ixesha elingonelanga lokumisa phakathi kweedyasi likhokelela kumanzi, amaqokobhe abuthathaka aqhekeka ngokulula okanye agrumbe ngexesha lokugalelwa.
Ukutshiswa komthwebeba okungaphelelanga kushiya intsalela yekhabhoni ngaphakathi kumngundo, ethi idibane nentsimbi etyhidiweyo idale iziphene.
Ukuqinisekisa ukuba umthengisi ulandela imijikelo yenkqubo yeqokobhe ebhaliweyo, endaweni yokuleqa imveliso ukuhlangabezana nemihla ebekiweyo, yenye yezona ndlela zithembekileyo zokunciphisa iziphene ezingalindelekanga.
Uvavanyo lokugqibela lweDimensional kunye nolungonakalisi
Emva kokuphosa, ukunkqonkqoza kunye nokugqiba, isigaba sokugqibela sokuhlola siqinisekisa ukuba iinxalenye zihlangabezana nazo zonke iimfuno ezichaziweyo.
Oku kufuneka kubandakanye ukuhlolwa komda kwimigangatho ebalulekileyo yokukhwelana, ukuhlolwa okubonakalayo kokuqhekeka komphezulu kunye neziphene, kunye novavanyo olufanelekileyo olungonakalisi olukhethiweyo olusekwe kusetyenziso lokugqibela lwenxalenye.
Kwiindawo ezisetyenziselwa ukunyanzeliswa koxinzelelo okanye kwizicelo zomthwalo ophezulu, ukuhlolwa okusemgangathweni ongezelelweyo kubandakanya ukuvavanywa kokuvuza koxinzelelo, ukuhlolwa kwe-fluorescent penetrant yokuqhekeka komhlaba, kwaye kwezinye iimeko ukuhlolwa kwe-X-ray ukufumana ukucutha okufihliweyo kwangaphakathi ukuba ukuhlolwa okubonakalayo akukwazi ukuyifumana.Unokufunda ngakumbi malunga nemigangatho yemigangatho yethu isikhokelo kubanikezeli abaphezulu botyalo-mali.
UVavanya njani uTyalo-mali oluNxibelela ngeNdlela yoMboneleli weNkqubo yokwenyani
Awudingi ukuba undwendwele i-Foundry ngokwakho ukwenza uhlolo olufanelekileyo lokuqala lokwenyani lolawulo lomgangatho.
Imibuzo emininzi elula kunye nokuhlolwa kwamaxwebhu kunokukunceda ukuba ucoce ababoneleli abanikezela ngemveliso ekumgangatho ophantsi kuphela.
- Buza ukuba bagcina iirekhodi zenkqubo ezisesikweni zokubala umaleko weqokobhe, amaqondo obushushu okudinwa kunye namaqondo obushushu okugalela okwenyani kwibhetshi nganye.
- Qinisekisa ukuba umthengisi unikezela ngengxelo epheleleyo yokuhlola inqaku lokuqala elibandakanya iirekhodi zomlinganiselo wobukhulu, iingxelo zovavanyo lwemathiriyeli kunye neziphumo zokuhlolwa kwesiphene kwimveliso emitsha.
- Cela ukubona iingxelo zamva nje zohlolo lwenqaku lokuqala lezahlulo ezifanayo, ukuqinisekisa ukuba umda wokuhlolwa kwawo wokwenyani uhambelana neemfuno zakho zomzobo.
- Qinisekisa ukuba ngaba unyango lwabo oluqhelekileyo lwasemva kokuphoswa lubandakanya ukukhululeka koxinzelelo, olunciphisa kakhulu umngcipheko wokuphazamiseka okufihliweyo kunye nokuqhekeka kwiindawo ze-alloy eziyinkimbinkimbi.
Xa ufuna ukufumana amacandelo otyalo-mali achanekileyo, ukuphonononga ezi zalathisi zolawulo lwenkqubo kwangethuba kuphononongo lomniki-nkonzo kunceda ukuphepha izinto ezininzi ezothusayo ezixabisa kakhulu kamva.
| Uhlobo lweSiphene esiQhelekileyo | Inkqubo yeMvelaphi yokuqala | Quick On-site Khangela Indlela |
| Igesi Porosity | Ukugalela kunye nokutshiswa kweqokobhe | Jonga ngokubonakalayo umphezulu owenziwe ngoomatshini kwii-voids ezincinci ezingqukuva |
| Ukubandakanywa okuqinileyo | Ukwenza iqokobhe kunye nokunyibilika kwesinyithi | Sebenzisa uvavanyo lokungena ukuze ubone amabala aqinileyo angeyontsimbi atyhilekile kumphezulu |
| I-Shrinkage Cavity / Micro Porosity | Uyilo lwesango kunye nokuqina | Yenza uvavanyo lokuvuza koxinzelelo okanye uhlolo lwendawo ye-X-reyi kumacandelo ashinyeneyo |
| Ukuqhekeka komphezulu | Ukupholisa kunye nokunkqonkqozwa kweqokobhe | Sebenzisa uphononongo olubonakalayo olwandisiweyo okanye uphononongo olungeneyo ecaleni kweekona ezibukhali kunye neendawo ezityebileyo zotshintsho |
| Ukugqwesa inxalenye | Ipateni ye-wax kunye nokupholisa emva kokuthulula | Thelekisa imilinganiselo yendibano ebalulekileyo ngokuchasene nokunyamezela ukuzoba |
Imibuzo Ebuzwa Rhoqo
Ndingayinciphisa njani ingozi yokuphosa isiphene kwinqanaba lokuzoba?
Ungawathoba kakhulu amaxabiso esiphoso kamva ngokunqanda utshintsho olukhawulezileyo, olungaguquguqukiyo kubunzima bodonga, ukongeza irediya engqukuva efanelekileyo kuzo zonke iikona ezibukhali, kwaye unxibelelane nomthengisi wakho ukuba yeyiphi imilinganiselo ebaluleke kakhulu ekudibaneni.
Olu hlengahlengiso luncinci loyilo lwenza ukuqina kolwalathiso kube lula kakhulu ukulawula.
Loluphi unyamezelo oluqhelekileyo olunokufikelela utyalo-mali olusemgangathweni?
Ngaphantsi kweemeko eziqhelekileyo ze-non-post-machining, kwi-carbon steel standard kunye ne-low alloy parts ngaphakathi kwe-300mm ubuninzi be-dimension, ukulawulwa kakuhle kwe-investment casting kunokubambelela ngokuthembekileyo ukunyamezela malunga ne-± 0.5mm nge-50mm dimension, ngaphandle kokufuna i-post-casting machining.
Unyamezelo olungqongqo lunokwenzeka, kodwa luhlala lufuna imisebenzi eyongezelelweyo yokulinganisa okwesibini emva kokuphosa.
Amacandelo anemilinganiselo emikhulu ngokubanzi okanye izinto ezikhethekileyo ze-alloy high-alloy zingadinga ukuhlengahlengiswa kokunyamezela ukunyanzeliswa okuqinisekisiweyo kunye nomthengisi kwangaphambili.
