Nkọwa
Nkedo itinye ego, nke a makwaara dị ka ihe nkedo wax furu efu ma ọ bụ nkedo ziri ezi, bụ usoro nkedo ziri ezi nke na-enweghị obere mbelata. A na-eji ihe na-akpụzi ego (na-abụkarị ihe na-agbaze dị ala dị ka wax) iji mee ihe n'ịkpụzi ego ma mepụta modul. Mgbe ahụ, a na-etinye agba (ihe mgbagha) n'elu modul ahụ. Mgbe ihicha na nke siri ike, modul na-ekpo ọkụ ka ọ gbazee ihe na-akpụzi. A na-emepụta shei nwere oghere, a na-awụnyekwa mmiri mmiri ígwè n'ime ya mgbe okpomọkụ dị elu, a na-enweta nkedo ahụ mgbe ihichachara.
Àgwà ọma nke itinye ego
1.Castings nwere oke nha nha nha (CT4-CT7); ala ala ala (Ra1.6-6.3um). A na-ebelata ohere ịcha ihe nkedo, ma enwere ike nweta nkedo dị nso na ntanetị.
2.Enwere ike ịmepụta ihe nkedo dị mkpa na ụdị mgbagwoju anya. Dị ka onye na-anata n'ihu (nke nwere mgbanaka ime na mpụta na 14 agụba). Dịka ọmụmaatụ, agụba engine nwere ọkpụrụkpụ mgbidi kacha nta nke 0.7mm.
3.Alloy ihe anaghị egbochi. Steel, ọla kọpa, aluminum, titanium, magnesium, wdg Nickel dabeere na elu okpomọkụ alloys na elu agbaze ihe, ala agbaze ebe ọla dị ka zinc na tin.
4.Investment nkedo nwere ụfọdụ njedebe. Usoro ahụ dị njọ, usoro mmepụta ahụ dị ogologo, na nha nke nkedo ekwesịghị ịdị ukwuu.
Usoro eruba
1.Design na rụpụta ịkpụzi.
A na-akpọ ihe a na-eji emepụta ihe eji emepụta ihe eji eme ihe stamper. A chọrọ ka ọ nwee ezi akụkụ dị elu na imecha elu. A na-eme ya nke aluminom alloy, steel, fusible alloy, plasta ma ọ bụ ihe plastik dị ka ogbe mmepụta si dị.
2.Mee usoro waks.
A na-ejikarị 50% paraffin na 50% stearic acid eme ihe nke ihe ọkpụkpụ wax. Mgbe agbazechara, jiri ihe pịa wax ka ịpịa ihe mado waks n'ime ihe. Mgbe ike siri ike, wepụ ya ma tinye ya na mmiri oyi ka ọ dị jụụ iji gbochie nrụrụ. A na-ejikarị mkpanaka osisi ma ọ bụ mkpanaka aluminum tinye n'ime shea wax 2-3mm, mgbe ahụ, a na-ejikọta ụkpụrụ wax na sprue ebu na mma ọkụ ọkụ eletrik iji mepụta modul.
3. Shell ime.
Tinye modul ahụ n'ime mkpuchi nke quartz ntụ ntụ na iko mmiri (ma ọ bụ silica sol), wepụ ya, fesa ya na ájá quartz, wee tinye ya n'ime ihe siri ike (ammonium chloride ma ọ bụ aluminom chloride a na-ejikarị) mee ka ọ sie ike n'ime Layer na shells ma megharịa ọrụ ndị dị n'elu ruo mgbe ọkpụkpụ shea nke 5-10mm malitere.
4. Dewaxing na rie nri.
Tinye shei ahụ a kpụrụ akpụ n'ime tank mmiri ọkụ na 95-100 ℃ iji gbazee ihe ọkpụkpụ na-ese n'elu ya. Mgbe ahụ, akpọọ nkụ shei na 800-900 ℃ (mmiri iko ebu shei) ka ike na-ewepụ ihe ebu shei. Mmiri, wax fọdụrụnụ, saponification, wdg.
5. Ịwụ na nhicha.
A na-awụsa shei a na-agba ọkụ mgbe ọ na-ekpo ọkụ mgbe a tọhapụrụ ya na ọkụ ka o wee mepụta nkedo nwere obere mgbidi. Mgbe nkedo ahụ dị mma, mebie shea akpụ, wepụ ihe nkedo ahụ ma bepụ usoro ntinye na riser, wee mee usoro nhazi nkedo post-processing, ya bụ, jiri sandblasting, ogbugba ogbugba, alkali esi na electrochemical ihicha ụzọ iji wepụ ihe fọdụrụ na shei na nrapado n'elu na oghere ime nke nkedo. A na-ewepụ ájá, chloride, wdg iji nweta ihe nkedo nwere elu dị larịị.
