Hoʻohana nui ʻia ka hao hoʻoheheʻe, ka mea nui me ka hao hina hina a me ka hao ductile (nodular) no ka hoʻolei ʻana ma o nā kaʻina hana.hoolei one. Eia nō naʻe, no kekahi kūlana kūikawā, ua hoʻohana ʻia ke kaʻina hana hoʻoheheʻe wax nalo ma muli o ko lākou ʻili maikaʻi a ʻoi aku ka pololei. Ma RMC, hiki iā mākou ke hoʻolei i ka hao hina a me ka ductile meprecision nalowale wax investment castingka hoʻohana ʻana i ka silica sol a me ke aniani wai no ke kūkulu ʻana i ka pūpū.
Ke hoʻolili mālie ʻia ka hao, hoʻoheheʻe ka cementite i ka hao a me ke kalapona ma ke ʻano o ka graphite i kapa ʻia ʻo graphitization. ʻO nā hao i hoʻolei ʻia kahi hapa nui o ka cementite i decomposed e ka graphitization ua kapa ʻia ʻo ka hao hina hina. Ka hao i hana ole ia ka graphitization, i. e, aia ke kalapona a pau i ke ano hui, ua kapaia he hao keokeo. Pono ke kaʻina hana kiʻi kiʻi i ka manawa a no laila, i ka wā e maʻalili koke ka hao hoʻoheheʻe wai, e loaʻa mai ka hao keʻokeʻo. Hoʻohālikelike ʻia ka hao hao keʻokeʻo i nā waiwai me nā kila kalapona kiʻekiʻe. Eia naʻe, he palupalu loa ia a no laila ʻaʻole hoʻohana ʻia no nā ʻāpana hana. He mea pono ia no nā ʻāpana i loaʻa ka lole abrasive. ʻOkoʻa ka ikaika tensile ma waena o 170 a 345 MPa a ma kahi o 240 MPa. ʻO ka paʻakikī mai 350 a 500 BHN. I ka nānā ʻana i ka paʻakikī kiʻekiʻe loa, ʻilihune ka machinability a hoʻopau mau ʻia ma ka wili ʻana.
| Hoʻohālikelike Hao Hina | Manoanoa hoolei/mm | Ka Hui Kemika％） | |||||||
| Kina（GB/T 9439-1988) | ISO 185:1988 | USA ASTM A48/A48M-03（2008) | ʻEulopa (EN 1561:1997) | C | Si | Mn | P ≦ | S ≦ | |
| HT100 (HT10-26) | 100 | No.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 | No.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 | No.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 | No.35A F12401 No.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 | No.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 | No.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 |
ʻO ka hoʻoheheʻe kālā (a i ʻole ka hoʻolei ʻana i ka wax) e pili ana i ka hoʻokumu ʻia ʻana o ka seramika a puni nā hiʻohiʻona wax no ka hana ʻana i ka nui a i ʻole ka ʻāpana ʻāpana e loaʻa ai ka metala hoʻoheheʻe. Hoʻohana kēia kaʻina hana i kahi kaʻina hana hoʻoheheʻe i hoʻoheheʻe ʻia e hoʻokō i nā ʻano paʻakikī me ka maikaʻi o ka ʻili.s. ʻO nā hoʻolei waiwai kūponohiki ke hoʻokō i ka pololei ʻokoʻa no nā ʻāpana hoʻolei liʻiliʻi a me nā ʻāpana nui i nā ʻano mea like ʻole.
No ka hana ʻana i ka poʻi, kahi ʻano wax, a i ʻole pūʻulu o nā mamana, hoʻoluu ʻia i loko o nā mea keramika i nā manawa he nui e kūkulu i kahi pūpū mānoanoa. Hoʻopau ʻia ke kaʻina hana de-wax e ka hana maloʻo iwi. A laila hana ʻia ka ʻiʻo ceramic liʻiliʻi. A laila, ninini ʻia ka metala i hoʻoheheʻe ʻia i loko o nā lua pūpū ceramic a i ʻole cluster, a paʻa a maʻalili, ua haki ka pūpū keramika e hōʻike i ka mea hao hope.
| ʻIkepili ʻenehana hoʻolei kālā ma RMC | |
| R&K | Pūnaehana: Solidworks, CAD, Procast, Pro-e |
| Ke alakaʻi manawa no ka hoʻomohala ʻana a me nā laʻana: 25 a 35 mau lā | |
| Metala hehee | Kuhili ʻole Ferritic, ʻIle Kuhili ʻole Martensitic, kila Austenitic kuhiliʻole, kila ʻili ʻole paʻakikī paʻakikī, Duplex Steel |
| ʻO ke kila kabone, ke kila huila, ke kila mea hana, ke kila pale wela, | |
| Alloy kumu Nickle, Aluminum Alloy, Copper-base Alloy, Cobalt-base Alloy | |
| Kūlana Metala | ISO, GB, ASTM, SAE, GOST EN, DIN, JIS, BS |
| Mea no ka Hale Puhi | Silika Sol (Precipitated Silica ) |
| Aniani wai (Sodium Silicate) | |
| Huipuia o Silica Sol a me ke aniani wai | |
| ʻĀpana ʻenehana | Kaumaha ʻāpana: 2 gram a 200 kilo gram |
| Ka Nui Nui: 1,000 mm no ka anawaena a i ʻole ka lōʻihi | |
| Min Mānoanoa Pā: 1.5mm | |
| Hoʻolei ʻana i ka ʻawaʻawa: Ra 3.2-6.4, ʻO ka ʻōleʻa mīkini: Ra 1.6 | |
| Ka hoʻomanawanui o ka hoʻolei ʻana: VDG P690, D1/CT5-7 | |
| ʻO ka hoʻomanawanui o ka mīkini: ISO 2768-mk/IT6 | |
| Iloko o loko: Ceramic Core, Urea Core, Water Soluble Wax Core | |
| Hoʻomaʻamaʻa Wela | Normalizing, Tempering, Quenching, Annealing, Solution, Carburization. |
| Lapaʻau ʻili | Hoʻomaʻamaʻa, Ke one / pana pana, ka paʻi Zinc, ka pā nikela, ka hoʻomaʻamaʻa ʻana, ka Phosphating, ka pena pauda, Geormet, Anodizing |
| Hoʻāʻo Ana | CMM, Vernier Caliper, Loko Caliper. Ana Hohonu, Ana Kiekie, Hele/Aole hele ana, Na Mea Pono |
| Nānā Kemika | ʻIkepili Kemikala (20 mau mea kemika), Nānā Hoʻomaʻemaʻe, X-ray Radiographic Inspection, Carbon-Sulfur Analyzer |
| Nānā Kikino | ʻO ka hoʻohālikelike ʻana, ka hoʻomaʻamaʻa paʻa, nā ʻano mechanical (paʻakikī, ʻoi aku ka ikaika, ka ikaika tensile), ka lōʻihi. |
| Hana Hana | ʻOi aku ma mua o 250 tons i kēlā me kēia mahina, ʻoi aku ma mua o 3,000 tons i kēlā me kēia makahiki. |
