Monga ma aloyi opangidwa ndi mkuwa, mkuwa ndi mkuwa zimatha kupangidwa kukhala magawo ovuta kwambiri, kuwapangitsa kukhala abwino kwandondomeko yopangira ndalama. Kusinthasintha kwanthawi zonse kwamitengo kungapangitse kuti zinthu izi zikhale zovuta kwambiri, zomwe zimapangitsa kuti zinyalala zikhale zodula kwambiri, makamaka poganizira makina a CNC ndi / kapena kupanga ngati njira yopangira kupanga zida zanu zoponyera. Mkuwa wangwiro nthawi zambiri suponyedwa. Kuponyera ndalama (phula lotaika) ndi njira yopangira mwatsatanetsatane mawonekedwe a ukonde pogwiritsa ntchito kufananiza kwa sera. Kuponyera ndalama kapena kutayika sera ndi njira yopangira chitsulo yomwe nthawi zambiri imagwiritsa ntchito sera yozunguliridwa ndi chipolopolo cha ceramic kupanga nkhungu ya ceramic. Chigobacho chikauma, sera imasungunuka, ndikusiya nkhungu yokha. Ndiye chigawo choponyera chimapangidwa ndi kutsanulira zitsulo zosungunuka mu nkhungu ya ceramic.
Brass ndi aloyi wopangidwa ndi mkuwa ndi zinc. Mkuwa wopangidwa ndi mkuwa ndi nthaka umatchedwa mkuwa wamba. Ngati ndi mitundu yosiyanasiyana ya aloyi wopangidwa ndi zinthu zoposa ziwiri, amatchedwa mkuwa wapadera. Brass ndi aloyi yamkuwa yokhala ndi zinc monga chinthu chachikulu. Pamene nthaka zili kuwonjezeka, mphamvu ndi plasticity aloyi kuchuluka kwambiri, koma mawotchi katundu adzachepa kwambiri pambuyo kuposa 47%, kotero nthaka zili mkuwa ndi zosakwana 47%. Kuphatikiza pa nthaka, mkuwa wonyezimira nthawi zambiri umakhala ndi zinthu monga silicon, manganese, aluminium, ndi lead.
Kuponyera mkuwa kumakhala ndi makina apamwamba kuposa bronze, koma mtengo wake ndi wotsika kuposa bronze. Cast brass nthawi zambiri imagwiritsidwa ntchito ponyamula tchire, tchire, magiya ndi zida zina zolimbana ndi dzimbiri ndi ma valve ndi zina zolimbana ndi dzimbiri. Brass ili ndi kukana kolimba kovala. Nthawi zambiri mkuwa umagwiritsidwa ntchito popanga ma valve, mapaipi amadzi, mapaipi olumikizira amkati ndi kunja kwa mpweya, ndi ma radiator.
| Zipangizo zaInvestment CastingNjira ku RMC Foundry | |||
| Gulu | China Grade | US Grade | Germany Grade |
| Ferritic Stainless Steel | 1Cr17, 022Cr12, 10Cr17, | 430, 431, 446, CA-15, CA6N, CA6NM | 1.4000, 1.4005, 1.4008, 1.4016, GX22CrNi17, GX4CrNi13-4 |
| Martensitic Stainless Steel | 1Cr13, 2Cr13, 3Cr13, 4Cr13, | 410, 420, 430, 440B, 440C | 1.4021, 1.4027, 1.4028, 1.4057, 1.4059, 1.4104, 1.4112, 1.4116, 1.4120, 1.4122, 1.4125 |
| Chitsulo chosapanga dzimbiri cha Austenitic | 06Cr19Ni10, 022Cr19Ni10, 06Cr25Ni20, 022Cr17Ni12Mo2, 03Cr18Ni16Mo5 | 302, 303, 304, 304L, 316, 316L, 329, CF3, CF3M, CF8, CF8M, CN7M, CN3MN | 1.3960, 1.4301, 1.4305, 1.4306, 1.4308, 1.4313, 1.4321, 1.4401, 1.4403, 1.4404, 1.4405, 1.44404, 1.4404, 9 1.4435, 1.4436, 1.4539, 1.4550, 1.4552, 1.4581, 1.4582, 1.4584, |
| Mvula Kuumitsa Zitsulo Zosapanga dzimbiri | Mtengo wa 05Cr15Ni5Cu4Nb, 05Cr17Ni4Cu4Nb | 630, 634, 17-4PH, 15-5PH, CB7Cu-1 | 1.4542 |
| Chitsulo chosapanga dzimbiri cha Duplex | 022Cr22Ni5Mo3N, 022Cr25Ni6Mo2N | A 890 1C, A 890 1A, A 890 3A, A 890 4A, A 890 5A, A 995 1B, A 995 4A, A 995 5A, 2205, 2507 | 1.4460, 1.4462, 1.4468, 1.4469, 1.4517, 1.4770 |
| High Mn Steel | ZGMn13-1, ZGMn13-3, ZGMn13-5 | B2, B3, B4 | 1.3802, 1.3966, 1.3301, 1.3302 |
| Chida Chitsulo | Cr12 | A5, H12, S5 | 1.2344, 1.3343, 1.4528, GXCrMo17, X210Cr13, GX162CrMoV12 |
| Chitsulo Chosagwira Kutentha | 20Cr25Ni20, 16Cr23Ni13, Mtengo wa 45Cr14Ni14W2Mo | 309, 310, CK20, CH20, HK30 | 1.4826, 1.4828, 1.4855, 1.4865 |
| Nickle-base Alloy | HASTELLY-C, HASTELLY-X, SUPPER22H, CW-2M, CW-6M, CW-12MW, CX-2MW, HX(66Ni-17Cr), MRE-2, NA-22H, NW-22, M30C, M-35 -1, INCOLOY600, INCOLOY625 | 2.4815, 2.4879, 2.4680 | |
| Aluminiyamu Aloyi | ZL101, ZL102, ZL104 | ASTM A356, ASTM A413, ASTM A360 | G-AlSi7Mg, G-Al12 |
| Copper Alloy | H96, H85, H65, HPb63-3, HPb59-1, QSn6.5-0.1, QSn7-0.2 | C21000, C23000, C27000, C34500, C37710, C86500, C87600, C87400, C87800, C52100, C51100 | CuZn5, CuZn15, CuZn35, CuZn36Pb3, CuZn40Pb2, CuSn10P1, CuSn5ZnPb, CuSn5Zn5Pb5 |
| Cobalt-base Alloy | UMC50, 670, Giredi 31 | 2.4778 | |
| KULAMBIRA KWA Investment CASTING TOLERANCES | |||
| mainchesi | Mamilimita | ||
| Dimension | Kulekerera | Dimension | Kulekerera |
| Mpaka 0,500 | ±.004" | Mpaka 12.0 | ± 0.10mm |
| 0.500 mpaka 1.000" | ±.006" | 12.0 mpaka 25.0 | ± 0.15mm |
| 1.000 mpaka 1.500 " | ±.008" | 25.0 mpaka 37.0 | ± 0.20mm |
| 1.500 mpaka 2.000" | ±.010" | 37.0 mpaka 50.0 | ± 0.25mm |
| 2.000 mpaka 2.500" | ±.012" | 50.0 mpaka 62.0 | ± 0.30mm |
| 2.500 mpaka 3.500" | ±.014" | 62.0 mpaka 87.0 | ± 0.35mm |
| 3.500 mpaka 5.000" | ±.017" | 87.0 mpaka 125.0 | ± 0.40mm |
| 5.000 mpaka 7.500 " | ±.020" | 125.0 mpaka 190.0 | ± 0.50mm |
| 7.500 mpaka 10.000" | ±.022" | 190.0 mpaka 250.0 | ± 0.57mm |
| 10,000 mpaka 12.500 " | ±.025" | 250.0 mpaka 312.0 | ± 0.60mm |
| 12.500 mpaka 15,000 | ±.028" | 312.0 mpaka 375.0 | ± 0.70mm |
