Awọn simẹnti irin grẹy aṣa OEM ti a ṣe nipasẹ ṣiṣe simẹnti idoko-eti ti o padanu deede ati ẹrọ CNC.
Ṣeun si irọrun ti ẹrọ, agbara titẹ agbara giga, imudara igbona to dara julọ ati gbigba gbigbọn ti o dara julọ, irin simẹnti grẹy jẹ ọkan ninu irin simẹnti ti a lo pupọ julọ fun igba pipẹ, paapaa ni iṣelọpọ ile-iṣẹ lọwọlọwọ. Akoonu erogba jẹ nkan pataki julọ fun irin grẹy (nigbagbogbo 2% si 4%) lati ṣẹda agbara fifẹ ati ẹrọ. Nigbati irin didà didà mule diẹ ninu awọn erogba precipitates bi lẹẹdi, lara kekere, alaibamu flakes laarin awọn gara be ti irin eyi ti o iyi awọn wuni-ini ti simẹnti irin, awọn flakes disrupt awọn gara be yori si simẹnti irin ká iwa brittleness.
Idagbasoke irin simẹnti grẹy jẹ idawọle nipasẹ agbara giga. Ni igba atijọ, ọna akọkọ lati ṣe ilọsiwaju iṣẹ ti irin simẹnti grẹy jẹ inoculation. Ni awọn ọdun aipẹ, ọna akọkọ ni bayi ni lati dojukọ alloying, ati lati le mu iṣẹ ṣiṣe simẹnti dara si, ọpọlọpọ awọn ipilẹ iron grẹy lo irin simẹnti pẹlu iwọn carbon ti o ga julọ. Eyi ṣe pataki paapaa fun irin simẹnti alloy kekere. Nitorinaa, irin simẹnti grẹy jẹ ohun elo ti o dara lati ṣe awọn ẹya simẹnti iron ti bulọọki ẹrọ, ile ẹrọ, ipilẹ ẹrọ, awọn iwọn counter, awọn ẹya adiro, awọn ẹya igbomikana, awọn ikarahun fifa ati bẹbẹ lọ.
| Darí Properties of Cast Gray Iron | ||||||
| Agbara Fifẹ ti Awọn Ayẹwo Simẹnti Lọtọ ti Awọn Irin Simẹnti Grey | ||||||
| Ohun elo yiyan | GG-10, EN-GJL-100 | GG-15, EN-GJL-150 | GG-20, EN-GJL-200 | GG-25, EN-GJL-250 | GG-30, EN-GJL-300 | GG-35, EN-GJL-350 |
| Agbara Fifẹ (MPa) | ≥100 | ≥150 | ≥200 | ≥250 | ≥300 | ≥350 |
| Agbara Fifẹ ti Simẹnti-lori Awọn ayẹwo ti Awọn irin Simẹnti Grey | ||||||
| Ohun elo yiyan | Simẹnti Odi (mm) | Agbara Fifẹ (MPa) ≥ | ||||
| Ayẹwo Bar Dia. (mm) | Idina apẹẹrẹ (mm) | Simẹnti (Itọkasi) | ||||
| φ30 | φ50 | R15 | R25 | |||
| HT150, GG-15, EN-GJL-150 | 20-40 | 130 | / | 120 | / | 120 |
| 40-80 | 115 | 115 | 110 | / | 105 | |
| 80-150 | / | 105 | / | 100 | 90 | |
| 150-300 | / | 100 | / | 90 | 80 | |
| HT200, GG-20, EN-GJL-200 | 20-40 | 180 | / | 170 | / | 165 |
| 40-80 | 160 | 155 | 150 | / | 145 | |
| 80-150 | / | 145 | / | 140 | 130 | |
| 150-300 | / | 135 | / | 130 | 120 | |
| HT250, GG-25, EN-GJL-250 | 20-40 | 220 | / | 210 | / | 205 |
| 40-80 | 200 | 190 | 190 | / | 180 | |
| 80-150 | / | 180 | / | 170 | 165 | |
| 150-300 | / | 165 | / | 160 | 150 | |
| HT300, GG-30, EN-GJL-300 | 20-40 | 260 | / | 250 | / | 245 |
| 40-80 | 235 | 230 | 225 | / | 215 | |
| 80-150 | / | 210 | / | 200 | 195 | |
| 150-300 | / | 195 | / | 185 | 180 | |
| HT350, GG-35, EN-GJL-350 | 20-40 | 300 | / | 290 | / | 285 |
| 40-80 | 270 | 265 | 260 | / | 255 | |
| 80-150 | / | 240 | / | 230 | 225 | |
| 150-300 | / | 215 | / | 210 | 205 | |
| Agbara Fifẹ ti Simẹnti Irin Grey ni Sisanra Odi oriṣiriṣi | ||||||
| Simẹnti Odi (mm) | Ohun elo yiyan | |||||
| GG-10, EN-GJL-100 | GG-15, EN-GJL-150 | GG-20, EN-GJL-200 | GG-25, EN-GJL-250 | GG-30, EN-GJL-300 | GG-35, EN-GJL-350 | |
| Agbara Fifẹ (MPa) ≥ | ||||||
| 2.5-4.0 | 130 | 175 | 220 | / | / | / |
| 4.0-10 | 270 | |||||
| 10-20 | 100 | 145 | 195 | 240 | 290 | 340 |
| 20-30 | 90 | 130 | 170 | 220 | 250 | 290 |
| 30-50 | 80 | 120 | 160 | 200 | 230 | 260 |
Irin simẹnti, nipataki pẹlu irin simẹnti grẹy ati irin simẹnti ductile (nodular) jẹ lilo pataki fun simẹnti nipasẹ awọn ilana tisimẹnti iyanrin, Simẹnti mimu ikarahun, simẹnti iyanrin ti a bo tabi simẹnti foomu ti o sọnu. Sibẹsibẹ, fun diẹ ninu awọn ipo pataki, ilana simẹnti idoko epo-eti ti o padanu ni a tun lo nitori oju wọn ti o dara ati pe o ga julọ. Ni RMC, a tun ni tha agbara ti simẹnti grẹy irin ati ductile pẹlukonge sọnu epo-idoko simẹntililo yanrin sol ati omi gilasi fun ile ikarahun.
Nigbati irin simẹnti ba rọra tutu, cementite naa yoo bajẹ sinu irin ati erogba ni irisi graphite eyiti a pe ni graphitization. Awọn irin simẹnti nibiti ipin nla ti cementite ti jẹ jijẹ nipasẹ aworan aworan ni a pe ni irin simẹnti grẹy. Simẹnti irin ninu eyiti graphitization ko ti waye, i. e, gbogbo erogba wa ni fọọmu apapo, ti a npe ni irin simẹnti funfun. Ilana iworan naa nilo akoko ati nitori naa, nigbati irin simẹnti omi ba tutu ni kiakia, simẹnti funfun yoo ja si. Irin simẹnti funfun jẹ afiwera ni awọn ohun-ini si ti awọn irin erogba giga. Sibẹsibẹ, o jẹ brittle pupọ ati pe iru bẹ ko lo fun awọn ẹya igbekale. O wulo fun awọn ẹya nibiti yiya abrasive wa. Agbara fifẹ yatọ laarin 170 si 345 MPa ati pe o maa n jẹ nipa 240 MPa. Awọn sakani lile lile lati 350 si 500 BHN. Ni wiwo ti lile lile ti o ga pupọ, ẹrọ ẹrọ ko dara ati pe o ti pari nigbagbogbo nipasẹ lilọ.
| Gray Iron lafiwe | Simẹnti Sisanra/mm | Iṣọkan Kemikali (（）) | |||||||
| China (GB/T 9439-1988) | ISO 185:1988 | AMẸRIKA ASTM A48/A48M-03 (2008) | Yuroopu (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 |
Simẹnti idoko-owo (tabi simẹnti epo-eti ti o sọnu) tọka si dida seramiki ni ayika awọn ilana epo-eti lati ṣẹda pupọ tabi apakan ẹyọkan lati gba irin didà. Ilana yii nlo ilana ilana apẹrẹ epo-eti ti abẹrẹ ti inawo lati ṣaṣeyọri awọn fọọmu eka pẹlu didara dada alailẹgbẹs. Konge idoko simẹntile ṣaṣeyọri iṣedede iyasọtọ fun mejeeji kekere ati awọn ẹya simẹnti nla ni ọpọlọpọ awọn ohun elo.
Lati ṣẹda apẹrẹ kan, ilana epo-eti, tabi iṣupọ awọn ilana, ti wa ni titẹ sinu ohun elo seramiki ni ọpọlọpọ igba lati kọ ikarahun ti o nipọn. Ilana De-wax lẹhinna tẹle ilana ikarahun gbẹ. Ikarahun seramiki ti ko ni epo-eti ti wa ni iṣelọpọ lẹhinna. A o da irin didà sinu awọn cavities ikarahun seramiki tabi iṣupọ, ati ni kete ti o ba fẹsẹmulẹ ati tutu, ikarahun seramiki ti ya kuro lati ṣafihan ohun elo simẹnti ikẹhin.
| Data Imọ-ẹrọ Simẹnti idoko-owo ni RMC | |
| R&D | Software: Solidworks, CAD, Procast, Pro-e |
| Akoko asiwaju fun Idagbasoke ati Awọn ayẹwo: 25 si 35 ọjọ | |
| Didà Irin | Irin Alagbara Ferritic, Irin Alagbara Martensitic, Irin alagbara Austenitic, Irin alagbara ojoriro, Irin Alagbara Duplex |
| Irin Erogba, Irin Alloy, Irin Irinṣẹ, Irin Resistant Ooru, | |
| Nickle-base Alloy, Aluminium Alloy, Copper-base Alloy, Cobalt-base Alloy | |
| Irin Standard | ISO, GB, ASTM, SAE, GOST EN, DIN, JIS, BS |
| Ohun elo fun Ikarahun Ilé | Silica Sol (Silica ti o ṣaju) |
| Gilasi Omi (Silicate sodium) | |
| Awọn apopọ ti Silica Sol ati Gilasi Omi | |
| Imọ paramita | Iwọn Nkan: 2 giramu si 200 kilo giramu |
| Iwọn ti o pọju: 1,000 mm fun Opin tabi Gigun | |
| Min Odi Sisanra: 1.5mm | |
| Simẹnti Roughness: Ra 3.2-6.4, Ṣiṣẹda Roughness: Ra 1.6 | |
| Ifarada ti Simẹnti: VDG P690, D1/CT5-7 | |
| Ifarada ti ẹrọ: ISO 2768-mk / IT6 | |
| Inu Inu: Seramiki Core, Urea Core, Water Soluble Wax Core | |
| Ooru Itoju | Deede, Tempering, Quenching, Annealing, Solusan, Carburization. |
| dada Itoju | Didan, Iyanrin/Iru arugbo, Pipa Zinc, Pipọ nickel, Itọju Oxidation, Fosfating, Kikun lulú, Geormet, Anodizing |
| Idanwo Dimension | CMM, Vernier Caliper, Inu Caliper. Gage Ijinle, Giga Gage, Lọ/Ko lọ Gage, Awọn imuduro pataki |
| Ayẹwo Kemikali | Itupalẹ Iṣapọ Kemikali (awọn eroja kẹmika 20), Ayewo mimọ, Ayẹwo redio X-ray, Oluyanju erogba-sulfur |
| Ayẹwo ti ara | Iwontunwonsi Yiyi, Blancing Aimi, Awọn Ohun-ini Mechanical (Lile, Agbara Ikore, Agbara Fifẹ), Ilọsiwaju |
| Agbara iṣelọpọ | Diẹ sii ju awọn toonu 250 fun oṣu kan, diẹ sii ju awọn toonu 3,000 lọdọọdun. |
