Lost wax ukulahlwa - njani le nkqubo ixesha elide

Le yinkqubo apho ukulahlwa ifunyenwe ngokusebenzisa inkqubo ekubunjweni metal ezamahala leyo sikwimo etyhidiweyo, zibe iimilo ezizodwa, ubizwa ngokuba "utyalo ukulahlwa".

kanye Inkqubo kobuchwepheshe sinzima kakhulu. Kufuneka kuqala ukudala master umfuziselo okhethekileyo, nto leyo uhlobo prototype kuya kunyibilika, t. E. Iya kusebenza njengesikhokelo point ngendlela aza kuba sisikhokelo kuphuhliso.

Ukwenza inkosi imodeli, iingcali badla ngokusebenzisa izinto ezifana iinkuni, ityatyekwe. Yemifanekiso indima beze ngaphambili yaye sele ziveliswa kwenye imveliso yezityalo. Inyathelo elilandelayo - ukudalwa matrices kunye ngumngundo. Kufuneka nje ukuphumeza isitofu sukube.

• Umngundo zidla ezaliswe tallow nolundwendwe, kuba ezi izinto kufuneka izinga eliphezulu plasticity, nto leyo evumela imveliso ukufumana zonke iintlobo iifom.

Emva koko, kufuneka kunyibilika ngohlobo igumbi elitsha - ukusebenza. Le afunyenwe indlela ngokunyityilikiswa. Yiyo loo nto loo nkqubo ibizwa ngokuba "elahlekileyo-wax eyahlulayo."

Baza, yena ngexesha elifanayo uhlala iqokobhe wadala ukusuka sisincoko ekhethekileyo ekwaziyo withstanding amaqondo obushushu aphezulu kakhulu, nto leyo modeli kusingathwa ngocoselelo phambi kokuba ugalele inkqubo. Ngokutsho abasebenzi ekupheleni Ukuqinisa ngabunye ifomu.

Xa utyalo-mali yesiqhelo wax ngodongwe okanye stearin lwancothulwa ngamanzi ashushu. Amaqokobhe ezo zifunyenwe yile nkqubo, ngoko ke inyathelo calcination ezi ngokulandelelana kwawo kunye ngokugalela isinyithi otyhidiweyo. Calcining iqokobhe itshiswa kumaqondo ngokufuthi ngaphezulu degrees 900 Celsius, nto leyo evumela ukusombulula ingxaki yokubangela khompawundi komgquba ekwakhiweni, ukuba ekhohlo unqandayo, nto leyo inciphise umgangatho imveliso imveliso.

Ngokwahlukeneyo, ziphawuleka ukuba iqokobhe mazenziwe kuthathelwa ingqalelo kwinkcaso iintlobo iikhompawundi chemical ezahlukeneyo.

Leyo ekubunjweni mali ikuvumela ukuba ayikhuphe imveliso, ubunzima singabanga iqale i grams ezimbalwa, kodwa ayikwazi - iitoni ezininzi. Ububanzi beendonga icala ethengiswayo kuba nje kwesiqingatha millimitha, ukuba nayo yonke imigangatho eyamkelekileyo ngamazwe.

Nengqiqo eyahlulayo, aphosa utyalo-mali, ngoko, oko kunxulumene ngqo ingqikelelo ngendlela eyahlulayo. Kuyinto phantse ngokupheleleyo castings ezifanayo utywala kokubini ubukhulu kunye nokumila.

Inkqubo ekubunjweni lotyalo zithandwa kakhulu zombini eRashiya xa kwakutshabalala ihlabathi. Kukho nkqu izilungiselelo akuvumela ukuba enze ziphene sukube.

Ukwenza inkqubo udini ekubunjweni investment kufuna iseti iphela izixhobo ezahlukeneyo kunye nofakelo. Inkqubo kwezobugcisa kubandakanya imveliso kunye iimilo eziwisela ezenziwa ngodongwe, nokuzisula, ukutyabeka ubume eliyinjubaqa kunye stearin yokunyibilikisa, ukucoca castings ifunyenwe. Yonke inkqubo echazwe ngasentla i kunokuba kwaye onzima.