Usoro nkedo nkenke na-ezo aka na aha izugbe nke usoro nkedo nke na-eji ihe na-abụghị ọla na nke nha ya dị elu karịa nke ihe nkedo aja nkịtị, gụnyere Lost Wax Casting ma ọ bụ itinye ego, Plaster Mold Casting na Ceramics Mold Casting.
Nkedo nke ọma site n'imewasị ihe
2-1 Atụmatụ na uru
(1) Oke kachasị ogologo nke nkedo bụ 700mm, na ogologo oge dị mfe bụ ihe na-erughị 200mm. Oke kachasị nke nkedo bụ ihe dịka 100 n'arọ, na-abụkarị ihe na-erughị 10 n'arọ.
(2) Nkwenye akụkụ nke nkedo bụ 20mm ± 0.13mm, 100mm ± 0.30mm, 200mm ± 0.43mm, na akụkụ ziri ezi nke obere akụkụ adịghị mfe iru n'ime ± 0.10mm. Angle ndidi nke ± 0.5 ~ ± 2.0 ogo, nkedo kacha nta ọkpụrụkpụ nke 0.5 ~ 1.5mm. The elu roughness nke nkedo bụ banyere RMax 4S ~ 12S.
(3) ihe nkedo ihe fọrọ nke nta ka ọ bụrụ na-enweghị ihe mgbochi ọ bụla, dị ka aluminum alloy, magnesium alloy, titanium alloy, ọla kọpa alloy, ụdị ọ bụla nke ígwè, cobalt na nickel dabeere okpomọkụ na-eguzogide alloy, ike ihe.
(4) mmepụta nke mgbagwoju udi nke workpiece, ezi akụkụ ziri ezi, obere ịcha.
(5) chekwaa ihe mkpofu ihe, enwere ike imepụta ya n'ọtụtụ buru ibu.
A na-eji ihe nkedo ziri ezi eme ihe n'ọtụtụ ebe na injin jet, turbines gas, turbines uzuoku, akụkụ ụgbọ elu, injin combustion n'ime, ụgbọ ala, igwe nri, igwe obibi akwụkwọ, igwe na-eme akwụkwọ, compressors, valves, nfuli, mita, igwe ịkwa akwa, ngwa agha, igwe azụmahịa. , na akụkụ igwe ndị ọzọ.
2-2 usoro
Enwere isi ụzọ abụọ nke usoro nkedo dewaxing: Solid Mold na Ceramic Shell Mold, nke ikpeazụ bụ mgbanwe nke mbụ.
Usoro akpụ akpụ siri ike na-eburu n'uche na condensation shrinkage nke wax ebu, na-ekpo ọkụ mgbasawanye nke ebu na condensation shrinkage nke metal a wụrụ awụ, na-emepụta a ebu nke yiri nke ikpeazụ nkedo size. The gbazee wax na pasted n'ime. Akpụkpọ anụ nke metal ma ọ bụ silica gel, a na-ewepụ ihe ọkpụkpụ wax, ma tinye ya n'ime slurry nke a na-eme site na ịgwakọta ihe na-eme ka ntụ ntụ na-eme ka ọ bụrụ ihe na-ejikọta ya. A na-ekpocha ihe ndị ahụ na-atụgharị na ihe nkedo, wee kpoo ha. Mgbe ahụ, wax na-ekpo ọkụ ka ọ gbazee ya ma mee ihe ọkpụkpụ. gbazere agbaze.
Mmepụta nke seramiiki shei ebu ruo mgbe ihe ọkpụkpụ bụ otu ihe ahụ dị ka nke siri ike ebu, ma e wezụga na mgbe otu itinye na ájá drenching (ma ọ bụ ájá floatation), mkpuchi ọrụ adịghị rụrụ, ma ugboro ugboro ugboro ugboro ruo mgbe a kara aka. A na-enweta usoro a n'ọtụtụ ebe site na dewaxing precision foundry rụọ ọrụ ugbu a n'ihi na ọ nwere uru ndị a: ihicha, kpo oku, agbaze nke wax, ikpo ọkụ dị elu wee wụsa.
(1) Nkwụsi ike akụkụ ka mma
(2) obere ojiji nke refractory ihe
(3) dị arọ, dị mfe ijikwa, mee nnukwu ihe nkedo
(4) Enwere ike ịmegharị usoro mmepụta ihe na-akpaghị aka iji chekwaa ike mmadụ ma melite ọnụego mmepụta
(5) Ọnụ ahịa mmepụta dị ala
(6) Akpụkpọ anụ seramiiki ahụ dị gịrịgịrị, na ọnụego jụrụ oyi nke nkedo mgbe nkedo dị elu na otu, yabụ akụrụngwa ya ka mma.
(A) Nlereanya Nna-ukwu
Ọdịdị nke isi ihe nlereanya yiri nke ngwaahịa ikpeazụ.A ghaghị iburu n'uche na nkwụsị nke nsị nke wax, ikpo ọkụ na-ekpo ọkụ nke ebu na condensation shrinkage nke ígwè nkedo. Dịka ọmụmaatụ, mgbe ọnụ ọgụgụ oyi na-atụ oyi nke ihe na-emepụta ihe bụ 1.2%, ọnụego mgbasawanye ọkụ nke ebu bụ 0.7% , na oyi na-atụ shrinkage ọnụego nke nkedo metal bụ 1.7%, nha mmụba ọnụego nke isi nlereanya bụ 2.2%.Ihe ndị a na-ejikarị eme ihe bụ aluminum alloy, ọla kọpa alloy na igwe anaghị agba nchara.
Oge nzipu: Eprel-08-2021