Nkedo ígwè, tumadi gụnyere ígwè nkedo isi awọ na ductile (nodular) nkedo ígwè ka a na-ejikarị eme ihe nkedo site na usoro.nkedo ájá, nkedo ịkpụzi shei, nkedo aja mkpuchi ma ọ bụ nkedo ụfụfụ furu efu. Otú ọ dị, maka ọnọdụ ụfọdụ pụrụ iche, a na-ejikwa usoro ntinye ntinye ego furu efu n'ihi ọmarịcha elu ha na ịdị elu dị elu. Na RMC, anyị nwekwara ike iji nkedo ígwè isi awọ na ductilenkenke nkedo itinye ego furu efuiji silica sol na iko mmiri na-arụ ụlọ.
Mgbe ígwè nkedo ji nwayọọ nwayọọ dị jụụ, cimentite na-aghọ ígwè na carbon n'ụdị graphite nke a na-akpọ graphitization. A na-akpọ ígwè nkedo ebe nnukwu pasent cementite mebiri site na eserese eserese. Nkedo ígwè nke graphitization emebeghi, i. e, carbon niile dị n'ụdị jikọtara ọnụ, a na-akpọ ígwè nkedo ọcha. Usoro eserese na-achọ oge, yabụ, mgbe igwe nkedo mmiri na-ajụ oyi ngwa ngwa, nkedo ọcha ga-apụta. Ọcha nkedo a na-atụnyere na ihe nke igwe carbon dị elu. Otú ọ dị, ọ bụ nke ukwuu na-agbaji agbaji ma dị ka nke a adịghị eji maka akụkụ nhazi. Ọ bara uru maka akụkụ ebe akwa abrasive dị. Ike tensile dị iche n'etiti 170 ruo 345 MPa ma na-abụkarị ihe dịka 240 MPa. Isi ike sitere na 350 ruo 500 BHN. N'ihi ike siri ike nke ukwuu, igwe na-arụ ọrụ adịghị mma ma a na-arụcha ya site n'igweri.
| Ntụnyere isi awọ isi awọ | Ọkpụrụkpụ nkedo/mm | Ihe mejupụtara kemịkalụ () | |||||||
| China (GB/T 9439-1988) | ISO 185: 1988 | USA ASTM A48/A48M-03 (2008) | Europe (EN 1561:1997) | C | Si | Mn | P ≦ | S ≦ | |
| HT100 (HT10-26) | 100 | Nọmba 20 F11401 | GJL-100 JL-1010 | - | 3.4-3.9 | 2.1-2.6 | 0.5-0.8 | 0.3 | 0.15 |
| HT150 (HT15-33) | 150 | Nọmba.25A F11701 | GJL-150 JL-1020 | 30 30-50 50 | 3.3-3.5 3.2-3.5 3.2-3.5 | 2.0-2.4 1.9-2.3 1.8-2.2 | 0.5-0.8 0.5-0.8 0.6-0.9 | 0.2 | 0.12 |
| HT200 (HT20-40) | 200 | Nọmba 30A F12101 | GJL-200 JL-1030 | 30 30-50 51 | 3.2-3.5 3.1-3.4 3.0-3.3 | 1.6-2.0 1.5-1.8 1.4-1.6 | 0.7-0.9 0.8-1.0 0.8-1.0 | 0.15 | 0.12 |
| HT250 (HT25-47) | 250 | Nọmba.35A F12401 Mba.40A F12801 | GJL-250 JL-1040 | 30 30-50 52 | 3.0-3.3 2.9-3.2 2.8-3.1 | 1.4-1.7 1.3-1.6 1.2-1.5 | 0.8-1.0 0.9-1.1 1.0-1.2 | 0.15 | 0.12 |
| HT300 (HT30-54) | 300 | Nọmba.45A F13301 | GJL-300 JL-1050 | 30 30-50 53 | 2.9-3.2 2.9-3.2 2.8-3.1 | 1.4-1.7 1.2-1.5 1.1-1.4 | 0.8-1.0 0.9-1.1 1.0-1.2 | 0.15 | 0.12 |
| HT350 (HT35-61) | 350 | Nọmba 50A F13501 | GJL-350 JL-1060 | 30 30-50 54 | 2.8-3.1 2.8-3.1 2.7-3.0 | 1.3-1.6 1.2-1.5 1.1-1.4 | 1.0-1.3 1.0-1.3 1.1-1.4 | 0.1 | 0.1 |
Nkedo itinye ego (ma ọ bụ ihe nkedo wax furu efu) na-ezo aka n'ichebe seramiiki n'akụkụ usoro waks iji mepụta ọtụtụ ihe ma ọ bụ otu akụkụ iji nweta ọla a wụrụ awụ. Usoro a na-eji usoro ihe nrụnye akpụzi ka ọ dị mkpa iji nweta ụdị mgbagwoju anya nwere oke elu.s. Nkedo itinye ego nkenkenwere ike nweta izi ezi pụrụiche maka ma obere ma nnukwu akụkụ nkedo n'ọtụtụ ihe.
Iji mepụta ebu, a na-etinye ụkpụrụ wax, ma ọ bụ ụyọkọ ụkpụrụ, n'ime ihe seramiiki ọtụtụ oge iji wuo nnukwu shei. A na-esote usoro de-wax site na usoro nkụ nke shei. A na-emepụta shei seramiiki na-adịchaghị mma. A na-awụsa ígwè a wụrụ awụ n'ime oghere ma ọ bụ ụyọkọ ceramiiki, ozugbo ọ siri ike ma dị jụụ, a na-agbaji shea seramiiki ahụ iji kpughee ihe nkedo ikpeazụ.
| Data teknụzụ nkedo itinye ego na RMC | |
| R&D | Ngwa ngwa: Solidworks, CAD, Procast, Pro-e |
| Oge ndu maka mmepe na ihe nlele: 25 ruo 35 ụbọchị | |
| Ọla ọla | Ferritic igwe anaghị agba nchara , Martensitic igwe anaghị agba nchara , Austenitic igwe anaghị agba nchara , mmiri ozuzo siri ike igwe anaghị agba nchara , Duplex igwe anaghị agba nchara |
| Carbon Steel, Alloy Steel, Ngwá Ọrụ Steel, Okpomọkụ na-eguzogide ígwè, | |
| Alloy Nickle-base Alloy, Aluminom Alloy, Copper-base Alloy, Cobalt-base Alloy | |
| Ọkọlọtọ igwe | ISO, GB, ASTM, SAE, GOST EN, DIN, JIS, BS |
| Ihe eji arụ ụlọ Shell | Silica Sol (Silica nwere mmiri ozuzo) |
| Igwe mmiri (Sodium Silicate) | |
| Ngwakọta nke Silica Sol na Glass Water | |
| Nka nka | Iberibe ibu: gram 2 ruo 200 grams |
| Oke kachasị: 1,000 mm maka dayameta ma ọ bụ Ogologo | |
| Obere mgbidi: 1.5mm | |
| Ihe nkedo nkedo: Ra 3.2-6.4, Ịrụ arụrụ arụ: Ra 1.6 | |
| Nkwenye nke nkedo: VDG P690, D1/CT5-7 | |
| Nlegide nke igwe: ISO 2768-mk/IT6 | |
| Isi N'ime: Ceramic Core, Urea Core, Water Soluble Wax Core | |
| Ọgwụgwọ okpomọkụ | Normalizing, Iwe iwe, Nkwụsị, Mwepu, Ngwọta, Carburization. |
| Ọgwụgwọ elu | Nchacha, aja/mgba ọkụ, Mwepu Zinc, Plate nickel, Ọgwụgwọ Oxidition, Phosphate, Ntụ ntụ, Geormet, Anodizing |
| Nlele nha nha | CMM, Vernier Caliper, N'ime Caliper. Gage Omimi, Gage Height, Go/No go Gage, Ihe ndozi pụrụ iche |
| Nyocha kemịkalụ | Nyocha ihe mejupụtara kemịkalụ (ihe kemịkalụ 20), Nnyocha ịdị ọcha, Nnyocha redio X-ray, nyocha nke carbon-sulfur. |
| Nyocha anụ ahụ | Ntụle na-agbanwe agbanwe, Static Blancing, Mechanical Properties (Ike siri ike, Ike Mịpụta, Ike tensile), Mgbatị |
| Ike mmepụta | Ihe karịrị tọn 250 kwa ọnwa, ihe karịrị tọn 3,000 kwa afọ. |
