Tilgeadh iarann teinnteach ductile àbhaisteach Sìona OEM lepròiseas tilgeadh tasgaidh cèir caillte. Iarann ductile, ris an canar cuideachd iarann ducitle, iarann nodular, iarann graifite spheroidal, iarann teilgte grafait spheroidal, no dìreach iarann SG airson ùine ghoirid.Nuair a tha grafait an làthair mar ghràineanan beaga, cruinn agus air an deagh chuairteachadh, tha a bhuaidh lagachaidh beag agus bhiodh ductility nas àirde aig iarann teilgte mar sin. Canar iarann ductile no nodular no grafait spheroidal ris an t-seòrsa seo de iarann teilgte no dìreach iarann SG. Faodar an seòrsa grafait seo a choileanadh le bhith a’ cur magnesium no cerium eileamaideach no measgachadh den dà eileamaid ri iarann leaghte. Tha magnesium air a chur ris ann am meudan de 0.07 gu 0. 10% agus an uairsin cuir ferro-silicon a-steach gus grafaitachadh adhartachadh. Rè solidification, bidh magnesium a’ cuideachadh le bhith a’ cuairteachadh grafait air feadh a’ mheatailt.
Tha co-mheas neart-gu-cuideam nas fheàrr aig iarann ductile, innealachadh nas fheàrr agus luach buaidh nas àirde. A bharrachd air an sin, tha na co-phàirtean iarainn ductile air an toirt a-mach le pròiseas tilgeadh far an urrainnear smachd nas fheàrr a thoirt air cumadh phàirtean an taca ri cruthachadh tuiteam. Mar sin, thathas a’ sìor fhàs a’ dol an àite mòran de cho-phàirtean leithid crank shafts agus slatan ceangail air an dèanamh le bhith a’ cruthachadh drop le tilgeadh iarainn ductile.
Coimeas Iarainn Ductile | Co-dhèanamh ceimigeach (%) | Structar Matrix | |||||||||||
GB/T 1348-1988 | TS ISO 1083: 1987 (E) | ASTM A536-84 (2004) | EN 1563:-1997 | Meud 7293 | C | Si | Mn | P | S | Mg | Re | cuid eile | |
QT400-18 | 400-18 | 60-40-18 ① F32800 | GJS-400-18 JS1020 | c40 | 3.6-3.8 | 2.3-2.7 | <0.5 | <0.08 | <0.025 | 0.03-0.05 | 0.02-0.03 | - | Annealed Ferrite |
QT400-15 | 400-15 | 60-42-10 F32900 | GJS-400-15 JS1030 | c40 | 3.5-3.6 | 3.0-3.2 | <0.5 | <0.07 | <0.02 | 0.04 | 0.02 | - | Annealed Ferrite |
QT450-10 | 450-10 | 65-45-12 F33100 | GJS-450-10 JS1040 | c45 | 3.4-3.9 | 2.7-3.0 | 0.2-0.5 | <0.07 | <0.03 | 0.06-0.1 | 0.03-0.1 | - | Annealed Ferrite |
QT500-7 | 500-7 | 70-50-05 | GJS-500-7 JS1050 | caog 50 | 3.6-3.8 | 2.5-2.9 | <0.6 | <0.08 | <0.025 | 0.03-0.05 | 0.03-0.05 | - | Pearlite + Ferrite |
QT600-3 | 600-3 | 80-60-03 ② F34100 | GJS-600-3 JS1060 | caog 60 | 3.6-3.8 | 2.0-2.4 | 0.5-0.7 | <0.08 | <0.025 | 0.035-0.05 | 0.025-0.045 | - | Pearlite àbhaisteach |
QT700-2 | 700-2 | 100-70-03 F34800 | GJS-700-2 JS1070 | c70 | 3.7-4.0 | 2.3-2.6 | 0.5-0.8 | <0.08 | <0.02 | 0.035-0.065 | 0.035-0.065 | Mo0.15-0.4 Cu0.4-0.8 | Measgaich Microstructure |
QT800-2 | 800-2 | - | GJS-800-2 JS1080 | caoch 80 | 3.7-4.0 | <2.5 | <0.5 | <0.07 | <0.03 | - | - | Mo0.39 Cu0.82 | Measgaich Microstructure |
QT900-2 | 900-2 | 120-90-02 F36200 | GJS-900-2 JS1090 | c90 | 3.5-3.7 | 2.7-3.0 | <0.5 | <0.08 | <0.025 | 0.03-0.05 | 0.025-0.045 | Mo0.15-0.25 Cu0.5-0.7 | Bainite Iarach |
① bho ASTM A716-2003. ② bho ASTM A476 / A476M-2000. |
Comasan aFùirneis Tasgaidh Tasgaidh:
• Meud Max: 1,000 mm × 800 mm × 500 mm
• Raon Cuideam: 0,5 kg - 100 kg
• Comas bliadhnail: 2,000 tunna
• Stuthan Bond airson Togalach Shell: Silica Sol, Glainne Uisge agus am measgachadh.
• Tolerances: Air Iarrtas.
Buannachdan aCo-phàirtean tilgeadh tasgaidh:
- Crìoch uachdar sàr-mhath agus rèidh
- fulangas meud teann.
- Cumaidhean iom-fhillte agus toinnte le sùbailteachd dealbhaidh
- Comas ballachan tana a thilgeil mar sin pàirt tilgeadh nas aotroime
- Taghadh farsaing de mheatailtean tilgeadh agus aloidhean (iarann agus neo-iarannach)
- Chan eil feum air dreach ann an dealbhadh molltair.
- Lùghdaich an fheum air innealachadh àrd-sgoile.
- Ìosal sgudal stuthan.
Dh’ fhaodadh fulangas tilgeadh a ruighinn le tasgadh tilgeadh:
A rèir nan diofar stuthan ceangail a thathas a’ cleachdadh airson an t-slige a dhèanamh, dh’ fhaodadh an tilgeadh tasgaidh a bhith air a roinn ann an tilgeadh silica sol agus tilgeadh glainne uisge. Tha Tolerances Casting Tolerances (DCT) agus Tolerances Casting Geometrical (GCT) nas fheàrr aig pròiseas tilgeadh tasgaidh silica sol na pròiseas glainne uisge. Ach, eadhon leis an aon phròiseas tilgeadh, bidh an Ìre Tolerance eadar-dhealaichte bho gach alloy cast mar thoradh air an diofar castability. Bu mhath leis an fhùirneis againn bruidhinn riut ma tha iarrtas sònraichte agad mu na fulangas a tha a dhìth. An seo anns na leanas tha an ìre fulangas coitcheann a dh’ fhaodadh sinn a ruighinn le bhith a’ tilgeadh silica sol agus le pròiseasan tilgeadh glainne uisge air leth:
✔ Ìre DCT le Silica Sol Tilgeadh cèir air chall: DCTG4 ~ DCTG6
✔ Ìre DCT a rèir tilgeadh cèir caillte glainne uisge: DCTG5 ~ DCTG9
✔ Ìre GCT le Silica Sol Tilgeadh cèir air chall: GCTG3 ~ GCTG5
✔ Ìre GCT le tilgeadh cèir caillte glainne uisge: GCTG3 ~ GCTG5
Stuthan airsonTasgaidh tasgaidhPròiseas aig Fùirneis RMC | |||
Roinn-seòrsa | Ìre Sìona | Ìre na SA | Ìre na Gearmailt |
Ferritic stàilinn | 1Cr17, 022Cr12, 10Cr17, | 430, 431, 446, CA-15, CA6N, CA6NM | 1.4000, 1.4005, 1.4008, 1.4016, GX22CrNi17, GX4CrNi13-4 |
Stàilinn Martensitic | 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 |
Stàilinn Austenitic stainless | 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, 9. 1.4435, 1.4436, 1.4539, 1.4550, 1.4552, 1.4581, 1.4582, 1.4584, |
Sileadh cruadhachadh stàilinn gun staoin | 05Cr15Ni5Cu4Nb, 05Cr17Ni4Cu4Nb | 630, 634, 17-4PH, 15-5PH, CB7Cu-1 | 1.4542 |
Duplex stàilinn gun staoin | 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 |
Stàilinn Àrd Mn | ZGMn13-1, ZGMn13-3, ZGMn13-5 | B2, B3, B4 | 1.3802, 1.3966, 1.3301, 1.3302 |
Stàilinn inneal | Chr12 | A5, H12, S5 | 1.2344, 1.3343, 1.4528, GXCrMo17, X210Cr13, GX162CrMoV12 |
Stàilinn a tha an aghaidh teas | 20Cr25Ni20, 16Cr23Ni13, 45Cr14Ni14W2Mo | 309, 310, CK20, CH20, HK30 | 1.4826, 1.4828, 1.4855, 1.4865 |
Alloy Nickle-bonn | 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 | |
Aluminium Alloy | ZL101, ZL102, ZL104 | ASTM A356, ASTM A413, ASTM A360 | G-AlSi7Mg, G-Al12 |
Alloy copair | 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 |
Alloy cobalt-base | UMC50, 670, Ìre 31 | 2. 4778 |
LUCHD-OBRACHAIDH TAISGAIDH | |||
òirlich | Millimeters | ||
Tomhas | Fulangas | Tomhas | Fulangas |
Suas gu 0.500 | ±.004" | Suas gu 12.0 | ± 0.10mm |
0.500 Gu 1.000” | ±.006" | Bho 12.0 gu 25.0 | ± 0.15mm |
Bho 1.000 gu 1.500 ” | ±.008" | bho 25.0 gu 37.0 | ± 0.20mm |
1.500 Gu 2.000” | ±.010" | Bho 37.0 gu 50.0 | ± 0.25mm |
Bho 2.000 gu 2.500 ” | ±.012" | Bho 50.0 gu 62.0 | ± 0.30mm |
Bho 2.500 Gu 3.500 ” | ±.014" | Bho 62.0 gu 87.0 | ± 0.35mm |
Bho 3.500 gu 5.000 ” | ±.017" | Bho 87.0 Gu 125.0 | ± 0.40mm |
Bho 5.000 gu 7.500 ” | ±.020" | Bho 125.0 gu 190.0 | ± 0.50mm |
Bho 7.500 gu 10.000 ” | ±.022" | Bho 190.0 gu 250.0 | ± 0.57mm |
Bho 10.000 gu 12.500 " | ±.025" | Bho 250.0 gu 312.0 | ± 0.60mm |
Bho 12.500 gu 15.000 | ±.028" | Bho 312.0 Gu 375.0 | ± 0.70mm |


