Nkedo itinye ego (nkedo wax furu efu) bụ usoro nke usoro nkedo ziri ezi nke nwere ike imepụta nkọwa dị mgbagwoju anya dị nso na ntanetị site na iji mmegharị nke usoro wax. Nkedo itinye ego ma ọ bụ waks furu efu bụ usoro nhazi ọla nke na-ejikarị usoro wax nke shei seramiiki gbara ya gburugburu iji mee ọkpụkpụ seramiiki. Mgbe shei ahụ kpọrọ nkụ, waks na-agbaze, na-ahapụ naanị ebu. Mgbe ahụ, a na-emepụta ihe nkedo site n'ịwụsa ígwè a wụrụ awụ n'ime seramiiki.
Dị ka ihe dị iche iche dị iche iche maka ụlọ shei si dị, enwere ike kewaa nkedo itinye ego na nkedo itinye ego na silica sol binder, ihe nkedo ntinye ego nke iko mmiri na ntinye ntinye ego na ngwakọta ha dị ka ihe ejikọtara.
Iko mmiri, nke a makwaara dị ka Sodium Silicate, bụ ụdị alkali metal silicate soluble, nke bụ iko na steeti siri ike ma na-etolite ngwọta iko mmiri mgbe agbazere na mmiri. Dị ka ihe dị iche nke alkali ọla dị, e nwere ụdị abụọ nke potassium mmiri iko na soda mmiri iko. Nke ikpeazụ na-adị mfe mgbaze na mmiri, nwere obere adịghị ọcha, ma nwee arụmọrụ kwụsiri ike. Ya mere, iko mmiri maka ntinye ntinye ego bụ iko mmiri sodium, ya bụ Na20 · mSiO2, ngwọta mmiri na-egbuke egbuke ma ọ bụ translucent colloidal kpụrụ mgbe hydrolysis gasịrị. Ihe ndị bụ isi kemịkalụ nke iko mmiri bụ silicon oxide na sodium oxide. Na mgbakwunye, ọ nwekwara obere ihe adịghị ọcha. Igwe mmiri abụghị otu ngwakọta, kama ngwakọta nke ọtụtụ ogige.
N'ime usoro ntinye ego, ihe nkedo iko mmiri na mkpuchi nwere arụmọrụ kwụsiri ike, ọnụ ala dị ala, obere okirikiri ime shei na ngwa dị mma. Usoro nhazi nke iko mmiri dị mma maka mmepụta nke ntinye ntinye ego dị ka carbon ígwè, obere alloy ígwè, nkedo ígwè, ọla kọpa na aluminom alloys nke na-achọ obere mma elu.
Custom alloy ígwè nkedo igwe mapụtara akụkụ siteUsoro ntinye ntinye ego furu efuna iko mmiri (ihe ngwọta mmiri nke sodium silicate) dị ka ihe eji ejikọta maka ịme shei. Ịdị mma shei na-emetụta izi ezi nke nkedo ikpeazụ ya mere bụ usoro dị oke egwu n'oge ntinye ego. Ogo nke shei ahụ na-emetụta kpọmkwem na ike siri ike na nnabata nke nkedo ikpeazụ. Ya mere, ọ bụ ọrụ dị mkpa maka ebe a na-emepụta ihe nkedo itinye ego ịhọrọ usoro nrụpụta kwesịrị ekwesị maka shea ebu.Dị ka ihe dị iche iche adhesives ma ọ bụ ihe nkedo maka ịme shei akpụ, enwere ike kewaa ihe nkedo itinye ego n'ime mkpuchi mkpuchi mmiri, silica sol adhesive shells, ethyl silicate adhesive shells na ethyl silicate-silica sol composite shells. Ụzọ nlegharị anya ndị a bụ ụzọ a na-ejikarị eme ihe na ntinye ego.
Mold Shell site na iko mmiri (ihe ngwọta mmiri nke sodium silicate)
Ihe nkedo itinye ego a na-emepụta site na nkedo shei iko mmiri na-emepụta nwere oke ihu igwe dị elu, izi ezi akụkụ dị ala, okirikiri ime shei dị mkpụmkpụ na ọnụ ala dị ala. A na-eji usoro a eme ihe n'ọtụtụ ebe na nkedo carbon ígwè, obere alloy ígwè, aluminum alloy na ọla kọpa alloy.
Mold Shell nke Silica Sol Shell (mgbasa nke silica nano-scale na mmiri ma ọ bụ ihe mgbaze)
Ihe nkedo itinye ego na silica sol nwere adịghị ike dị ala, nha nha dị elu, yana ogologo usoro ịme shei. A na-eji usoro a eme ihe n'ọtụtụ ebe na ihe nkedo alloy na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ, ihe nkedo ígwè na-ekpo ọkụ, ihe nkedo igwe anaghị agba nchara, ihe nkedo carbon carbon, obere alloy alloy, aluminum alloy casting na ọla kọpa alloy.
Mold Shell sitere na Ethyl Silicate Shell
N'ime nkedo itinye ego, ihe nkedo emere site na iji ethyl silicate dị ka ihe nkedo iji mee ka shea ahụ nwee adịghị ike n'elu ala, nha nha dị elu, yana ogologo okirikiri ịkpụ shei. A na-eji usoro a eme ihe n'ọtụtụ ebe na ihe nkedo alloy na-eguzogide okpomọkụ, ihe nkedo ígwè na-ekpo ọkụ, ihe nkedo igwe anaghị agba nchara, ihe nkedo carbon carbon, obere alloy alloy, aluminum alloy casting and copper alloy casting.
A na-eji ígwè carbon, ígwè alloy dị ala, na ihe nkedo ígwè arụ ọrụ n'ọtụtụngwa mmepụta ihena gburugburu ebe obibi. Site n'ọtụtụ akara ule ha, ígwè na alloys ha nwere ike ịgwọ ọkụ iji meziwanye mkpụrụ ya na ike nkwụsị ya; na, kpatụ ike ma ọ bụ ductility ka ngwa injinia chọrọ ma ọ bụ ihe eji arụ ọrụ chọrọ.
Ihe nkedo itinye ego nchara nchara na-eguzogide ọgwụ bụ akụkụ nkedo emepụtara site na usoro ntinye ntinye ego na-efunahụ nke ejiri ígwè alloy na-eguzogide eyi. Na RMC Foundry, isi ihe nkedo nke ájá anyị nwere ike iji maka igwe anaghị agba nchara bụ nkedo ájá ahịhịa ndụ, ihe nkedo ájá kpuchiri resin, ihe nkedo ájá adịghị eme achịcha, nkedo ụfụfụ furu efu, nkedo oghere na ntinye ego. The okpomọkụ ọgwụgwọ, elu ọgwụgwọ na CNC machining dị na anyị factory dị ka gị eserese na chọrọ.
N'ime ụdị ihe nkedo dị iche iche, igwe nkedo na-eguzogide oyi bụ nchara a na-ejikarị eme ihe. Igwe nkedo na-eguzogide iyi na-eme ka ihe nkedo ígwè na-eyi nke ọma site n'ịgbakwunye ọdịnaya dị iche iche nke ihe alloying, dị ka manganese, chromium, carbon, wdg, na alloy. N'otu oge ahụ, nkwụsi ike nke ihe nkedo ígwè na-eguzogide iyi na-adaberekwa na usoro ọgwụgwọ okpomọkụ nke ụlọ ọrụ ahụ na-eji na nhazi nke nkedo ahụ.
Dị ka ụdị ejiji dị iche iche si dị, ejiji nke nkedo ígwè nwere ike kewaa n'ime abrasive wear, nrapado wear, ike ọgwụgwụ, corrosion eyi na fretting wear. A na-ejikarị nkedo ígwè na-eguzogide ọgwụ na mpaghara mmepụta ihe nwere ọnọdụ ọrụ dị mgbagwoju anya yana ihe ndị chọrọ ịrụ ọrụ dị elu, dị ka Ngwuputa, metallurgy, ewu, ike, petrochemical, nchekwa mmiri, ọrụ ugbo na ụlọ ọrụ njem. A na-ejikarị ihe nkedo nchara na-eguzogide ọgwụ na ọnọdụ abrasion nwere mmetụta ụfọdụ, dị ka akụrụngwa egweri, ndị na-egwupụta ihe, igwe nhịahụ, traktọ, wdg.
Nha nhata nke Cast Alloy Steel sitere na ahịa dị iche iche | |||||||||
Otu dị iche iche | AISI | W-nkwakọba | DIN | BS | SS | AFNOR | UNE / IHA | JIS | UNI |
Alloy Alloy Steel | 9255 | 1.0904 | 55 Si 7 | 250 A53 | 2090 | 55 S7 | 56Si7 | - | 5SSi8 |
1335 | 1.1167 | 36 nde 5 | 150 M 36 | 2120 | 40 M5 | 36 nde 5 | SMn 438 (H) | - | |
1330 | 1.1170 | 28 nde 6 | 150 M28 | - | 20 M5 | - | SCMn1 | C28MN | |
P4 | 1.2341 | X6 CRMo 4 | - | - | - | - | - | - | |
52100 | 1.3505 | 100 cr 6 | 534 nke 99 | 2258 | 100C6 | F.131 | SUJ 2 | 100Cr6 | |
A204A | 1.5415 | 15 Mo 3 | 1501 240 | 2912 | 15 D3 | 16 Mo3 | STBA 12 | 16Mo3 KW | |
8620 | 1.6523 | 21 NiCrMo 2 | 805 M20 | 2506 | 20 NCD 2 | F.1522 | SNCM 220 (H) | 20NiCrMo2 | |
8740 | 1.6546 | 40NiCrMo22 | 311-ụdị 7 | - | 40 NCD 2 | F.129 | SNCM 240 | 40NiCrMo2(KB) | |
- | 1.6587 | 17CrNiMo6 | 820A 16 | - | 18 NCD 6 | 14NiCrMo13 | - | - | |
5132 | 1.7033 | 34 cr 4 | 530 A32 | - | 32C4 | 35Cr4 | SCr430 (H) | 34Cr4 (KB) | |
5140 | 1.7035 | 41 cr 4 | 530 A40 | - | 42C2 | 42 cr 4 | SCr 440 (H) | 40Cr4 | |
5140 | 1.7035 | 41 cr 4 | 530 A40 | - | 42C2 | 42 cr 4 | SCr 440 (H) | 41Cr4 KB | |
5140 | 1.7045 | 42 cr 4 | 530 A40 | 2245 | 42C 4 TS | F.1207 | SC440 | - | |
5115 | 1.7131 | 16 MnCr 5 | (527 M 20) | 2511 | 16 MC 5 | F.1516 | - | 16MnCr5 | |
5155 | 1.7176 | 55 cr 3 | 527 nke 60 | 2253 | 55C3 | - | SUP 9 (A) | 55Cr3 | |
4130 | 1.7218 | 25 crMo 4 | 1717CDS 110 | 2225 | 25 CD 4 | F.1251/55Cr3 | SCM 420 / SCM430 | 25CrMo4 (KB) | |
4135 (4137) | 1.7220 | 35 CRMo 4 | 708 A37 | 2234 | 35 CD4 | 34 CRMo 4 | SCM 432 | 34CrMo4KB | |
4142 | 1.7223 | 41 crMo 4 | 708 M40 | 2244 | 42 CD 4 TS | 42 CRMo 4 | SCM 440 | 41 crMo 4 | |
4140 | 1.7225 | 42 CRMo 4 | 708 M40 | 2244 | 40 CD 4 | F.1252 | SCM 440 | 40CrMo4 | |
4137 | 1.7225 | 42 CRMo 4 | 708 M40 | 2244 | 42 CD 4 | F.1252 | SCM 440 | 42CrMo4 | |
A387 12-2 | 1.7337 | 16 crMo 4 4 | 1501 620 | 2216 | 15 CD 4.5 | - | - | 12CrMo910 | |
- | 1.7361 | 32CrMo12 | 722 M 24 | 2240 | 30 CD 12 | F.124.A | - | 30CrMo12 | |
A182 F-22 | 1.7380 | 10CrMo9 10 | 1501 622 | 2218 | 12 CD 9, 10 | F.155 / TU.H | - | 12CrMo9 10 | |
6150 | 1.8159 | 50 crV 4 | 735 A50 | 2230 | 50 CV 4 | F.143 | SUP 10 | 50CrV4 | |
- | 1.8515 | 31 crMo 12 | 722 M 24 | 2240 | 30 CD 12 | F.1712 | - | 30CrMo12 | |
- | - | - | - | - | - | - | - | - | |
Alloy Steel Ọkara | W1 | 1.1545 | C105W1 | BW1A | 1880 | Y 105 | F.5118 | SK 3 | C100 KU |
L3 | 1.2067 | 100Cr6 | BL 3 | (2140) | Y 100C 6 | F.520 L | - | - | |
L2 | 1.2210 | 115 crV 3 | - | - | - | - | - | - | |
P20 + S | 1.2312 | 40CrMnMoS 8 6 | - | - | 40 CMD 8 +S | X210CrW12 | - | - | |
- | 1.2419 | 105WCr6 | - | 2140 | 105W C 13 | F.5233 | SKS 31 | 107WCr5KU | |
O1 | 1.2510 | 100MnCrW 4 | BO1 | - | 90MnWCrV5 | F.5220 | (SK53) | 95MnWCr5KU | |
S1 | 1.2542 | 45 WCrV 7 | BS1 | 2710 | 55W20 | F.5241 | - | 45WCrV8KU | |
4340 | 1.6582 | 34 CrNiMo 6 | 817 M40 | 2541 | 35 NCD 6 | F.1280 | SNCM 447 | 35NiCrMo6KB | |
5120 | 1.7147 | 20 MnCr 5 | - | - | 20 MC 5 | - | - | - | |
- | - | - | - | - | - | - | - | - | |
Ngwá ọrụ na High Alloy Steel | D3 | 1.2080 | X210 cr 12 | BD3 | 2710 | Z200C 12 | F.5212 | SKD 1 | X210Cr13KU |
P20 | 1.2311 | 40CrMnMo 7 | - | - | 40 CMD 8 | F.5263 | - | - | |
H13 | 1.2344 | X40CrMoV 5 1 | BH13 | 2242 | Z 40 CDV 5 | F.5318 | SKD 61 | X40CrMoV511KU | |
A2 | 1.2363 | X100 CrMoV 5 1 | BA2 | 2260 | Z 100 CDV 5 | F.5227 | SKD 12 | X100CrMoV51KU | |
D2 | 1.2379 | X155 CrMoV 12 1 | BD2 | 2310 | Z 160 CDV 12 | F.520.A | SKD11 | X155CrVMo121KU | |
D4 (D6) | 1.2436 | X210 CRW 12 | BD6 | 2312 | Z 200 CD 12 | F.5213 | SKD 2 | X215CrW121KU | |
H21 | 1.2581 | X30WCrV9 3 | BH21 | - | Z 30 WCV 9 | F.526 | SKD5 | X30WCrV 9 3 KU | |
L6 | 1.2713 | 55NiCrMoV 6 | - | - | 55 NCDV 7 | F.520.S | SKT4 | - | |
M 35 | 1.3243 | S6/5/2/5 | BM 35 | 2723 | 6-5-2-5 | F.5613 | SKH 55 | HS6-5-5 | |
M 2 | 1.3343 | S6/5/2 | BM2 | 2722 | Z 85 WDCV | F.5603 | SKH 51 | HS6-5-2-2 | |
M 7 | 1.3348 | S2/9/2 | - | 2782 | 292 | - | - | HS2-9-2 | |
HW 3 | 1.4718 | X45CrSi 9 3 | 401 S45 | - | Z 45 CS 9 | F.3220 | SUH1 | X45CrSi8 | |
- | 1.7321 | 20MoCr 4 | - | 2625 | - | F.1523 | - | 30CrMo4 | |
Steel ike dị elu | A128 (A) | 1.3401 | G-X120 nde 12 | BW10 | 2183 | Z 120 M 12 | F.8251 | SCMnH 1 | GX120Mn12 |
Ike nkeỤlọ ọrụ nkedo itinye ego:
• Oke kachasị: 1,000 mm × 800 mm × 500 mm
• Oke arọ: 0,5 n'arọ - 100 n'arọ
• Ike kwa afọ: tọn 2,000
• Ihe nkwekọ maka ụlọ Shell: Silica Sol, Glass Water na ngwakọta ha.
• Nkwenye: Na Arịrịọ.
Uru nkeNgwa nkedo itinye ego:
- Magburu onwe ma dị ire ụtọ elu imecha
- Nkwenye akụkụ siri ike.
- Ụdị mgbagwoju anya na mgbagwoju anya nwere mgbanwe imewe
- Ikike ịwụ mgbidi ndị dị mkpa ya mere ihe nkedo dị ọkụ
- Nhọrọ sara mbara nke nkedo ọla na alloys (ferrous na ndị na-abụghị igwe)
- Ọ dịghị mkpa ka Draft na ebu imewe.
- Belata mkpa nke abụọ machining.
- obere ihe mkpofu.
Ngwa makaNkedo itinye egoUsoro na RMC Foundry | |||
Otu | China ọkwa | Ọkwa US | Germany ọkwa |
Ferritic igwe anaghị agba nchara | 1Cr17, 022Cr12, 10Cr17, | 430, 431, 446, CA-15, CA6N, CA6NM | 1.4000, 1.4005, 1.4008, 1.4016, GX22CrNi17, GX4CrNi13-4 |
Martensitic igwe anaghị agba nchara | 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 |
Austenitic igwe anaghị agba nchara | 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, 1.4404.4.1. 1.4435, 1.4436, 1.4539, 1.4550, 1.4552, 1.4581, 1.4582, 1.4584, |
Mmiri ozuzo na-eme ka igwe anaghị agba nchara | 05Cr15Ni5Cu4Nb, 05Cr17Ni4Cu4Nb | 630, 634, 17-4PH, 15-5PH, CB7Cu-1 | 1.4542 |
Duplex igwe anaghị agba nchara | 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 |
Ngwá Ọrụ Steel | Cr12 | A5, H12, S5 | 1.2344, 1.3343, 1.4528, GXCrMo17, X210Cr13, GX162CrMoV12 |
Igwe na-eguzogide okpomọkụ | 20Cr25Ni20, 16Cr23Ni13, 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 | |
Aluminom Alloy | ZL101, ZL102, ZL104 | ASTM A356, ASTM A413, ASTM A360 | G-AlSi7Mg, G-Al12 |
Alloy ọla kọpa | 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, Ọkwa 31 | 2,4778 |
anabata nnabata nke itinye ego | |||
Inches | Millimeters | ||
Akụkụ | Ndidi | Akụkụ | Ndidi |
Ruo 0,500 | ±.004" | Ruo 12.0 | ± 0.10mm |
0.500 ruo 1.000" | ±.006" | 12.0 ruo 25.0 | ± 0.15mm |
1.000 ruo 1.500” | ±.008" | 25.0 ruo 37.0 | ± 0.20mm |
1.500 ruo 2,000" | ±.010" | 37.0 ruo 50.0 | ± 0.25mm |
2.000 ruo 2.500” | ±.012" | 50.0 ruo 62.0 | ± 0.30mm |
2.500 ruo 3.500" | ±.014" | 62.0 ruo 87.0 | ± 0.35mm |
3.500 ruo 5,000" | ±.017" | 87.0 ruo 125.0 | ± 0.40mm |
5.000 ruo 7.500” | ±.020" | 125.0 ruo 190.0 | ± 0.50mm |
7.500 ruo 10,000" | ±.022" | 190.0 ruo 250.0 | ± 0.57mm |
10.000 ruo 12.500" | ±.025" | 250.0 ruo 312.0 | ± 0.60mm |
12.500 ruo 15.000 | ±.028" | 312.0 ruo 375.0 | ± 0.70mm |