Apejuwe
Lati ṣe agbejade awọn ọja ipari didara ni idiyele ti o kere julọ pẹlu ṣiṣe ti o ga julọ ati igbẹkẹle, o ni lati yan awọn ẹya yiya ti o jẹ iṣapeye fun ohun elo fifun ni pato. Awọn ifosiwewe akọkọ lati ṣe akiyesi bi atẹle:
1. Awọn iru ti apata tabi awọn ohun alumọni lati wa ni itemole.
2. Iwọn patiku ohun elo, akoonu ọrinrin ati ipele lile Mohs.
3. Awọn ohun elo ati igbesi aye ti awọn ọpa fifun ti a lo tẹlẹ.
Ni gbogbogbo, atako yiya (tabi lile) ti awọn ohun elo ti o ni wiwọ irin ti a fi sori ogiri yoo laiseaniani dinku resistance ipa (tabi lile). Awọn ọna ti ifibọ apadì o ni irin matrix ohun elo le gidigidi mu awọn oniwe-yiya resistance lai ni ipa awọn oniwe-ikolu resistance.
Irin Manganese giga
Irin manganese ti o ga julọ jẹ ohun elo sooro-aibikita pẹlu itan-akọọlẹ gigun ati pe o ti lo ni lilo pupọ ni awọn apanirun ipa. Irin manganese ti o ga julọ ni o ni ipa ipa to dayato. Iyatọ yiya nigbagbogbo ni ibatan si titẹ ati ipa lori oju rẹ. Nigbati ipa nla kan ba lo, eto austenite lori dada le jẹ lile si HRC50 tabi ga julọ.
Awọn òòlù awo manganese ti o ga julọ ni gbogbogbo nikan ni a ṣe iṣeduro fun fifọ akọkọ pẹlu ohun elo ti iwọn patiku kikọ sii nla ati lile lile.
Kemikali tiwqn ti ga manganese irin
| Ohun elo | Kemikali Tiwqn | Ohun-ini ẹrọ | ||||
| Mn% | Kr% | C% | Si% | Ak/cm | HB | |
| Mn14 | 12-14 | 1.7-2.2 | 1.15-1.25 | 0.3-0.6 | > 140 | 180-220 |
| Mn15 | 14-16 | 1.7-2.2 | 1.15-1.30 | 0.3-0.6 | > 140 | 180-220 |
| Mn18 | 16-19 | 1.8-2.5 | 1.15-1.30 | 0.3-0.8 | > 140 | 190-240 |
| Mn22 | 20-22 | 1.8-2.5 | 1.10-1.40 | 0.3-0.8 | > 140 | 190-240 |
Microstructure ti ga manganese irin
Irin Martensitic
Ilana Martensite jẹ idasile nipasẹ itutu agbaiye iyara ti irin erogba ti o ni kikun. Awọn ọta erogba le tan kaakiri ni martensite nikan ni ilana itutu agbaiye iyara lẹhin itọju ooru. Irin Martensitic ni líle ti o ga ju irin manganese ti o ga, ṣugbọn atako ipa rẹ dinku ni ibamu. Lile ti irin martensitic wa laarin HRC46-56. Da lori awọn ohun-ini wọnyi, ọpa fifun irin martensitic jẹ iṣeduro gbogbogbo fun awọn ohun elo fifun ni ibi ti ipa kekere ti o kere ṣugbọn o nilo resistance yiya ti o ga julọ.
Microstructure ti martensitic, irin
Irin funfun Chromium giga
Ni irin funfun chromium giga, erogba ti wa ni idapo pẹlu chromium ni irisi chromium carbide. Ga chromium funfun iron ni dayato si yiya resistance. Lẹhin itọju ooru, líle rẹ le de ọdọ 60-64HRC, ṣugbọn resistance ipa rẹ ti dinku ni ibamu. Ti a fiwera pẹlu irin giga manganese ati irin martensitic, irin simẹnti chromium giga ni o ni resistance yiya ti o ga julọ, ṣugbọn ipakokoro ipa rẹ tun jẹ ti o kere julọ.
Ni irin funfun chromium giga, erogba ti wa ni idapo pẹlu chromium ni irisi chromium carbide. Ga chromium funfun iron ni dayato si yiya resistance. Lẹhin itọju ooru, líle rẹ le de ọdọ 60-64HRC, ṣugbọn resistance ipa rẹ ti dinku ni ibamu. Ti a fiwera pẹlu irin giga manganese ati irin martensitic, irin simẹnti chromium giga ni o ni resistance yiya ti o ga julọ, ṣugbọn ipakokoro ipa rẹ tun jẹ ti o kere julọ.
Kemikali tiwqn ti ga chromium funfun irin
| ASTM A532 | Apejuwe | C | Mn | Si | Ni | Cr | Mo | |
| I | A | Ni-Cr-Hc | 2.8-3.6 | 2.0 ti o pọju | 0.8 ti o pọju | 3.3-5.0 | 1.4-4.0 | 1.0 ti o pọju |
| I | B | Ni-Cr-Lc | 2.4-3.0 | 2.0 ti o pọju | 0.8 ti o pọju | 3.3-5.0 | 1.4-4.0 | 1.0 ti o pọju |
| I | C | Ni-Cr-GB | 2.5-3.7 | 2.0 ti o pọju | 0.8 ti o pọju | 4.0 ti o pọju | 1.0-2.5 | 1.0 ti o pọju |
| I | D | Ni-HiCr | 2.5-3.6 | 2.0 ti o pọju | 2.0 ti o pọju | 4.5-7.0 | 7.0-11.0 | 1.5 ti o pọju |
| II | A | 12Kr | 2.0-3.3 | 2.0 ti o pọju | 1.5 ti o pọju | 0.40-0.60 | 11.0-14.0 | 3.0 ti o pọju |
| II | B | 15CrMo | 2.0-3.3 | 2.0 ti o pọju | 1.5 ti o pọju | 0.80-1.20 | 14.0-18.0 | 3.0 ti o pọju |
| II | D | 20CrMo | 2.8-3.3 | 2.0 ti o pọju | 1.0-2.2 | 0.80-1.20 | 18.0-23.0 | 3.0 ti o pọju |
| III | A | 25Kr | 2.8-3.3 | 2.0 ti o pọju | 1.5 ti o pọju | 0.40-0.60 | 23.0-30.0 | 3.0 ti o pọju |
Microstructure ti High Chromium White Iron
Seramiki-Metal Composite Material (CMC)
CMC jẹ ohun elo ti o ni wiwọ ti o ṣajọpọ lile ti o dara ti awọn ohun elo ti fadaka (irin martensitic tabi irin simẹnti giga-chromium) pẹlu líle giga giga ti awọn ohun elo amọ ile-iṣẹ. Awọn patikulu seramiki ti iwọn kan pato ni a ṣe itọju ni pataki lati ṣe ara la kọja ti awọn patikulu seramiki. Irin didà wọ inu patapata sinu awọn interstices ti awọn seramiki be nigba simẹnti ati ki o daapọ daradara pẹlu apadì o patikulu.
Apẹrẹ yii le ṣe imunadoko imunadoko iṣẹ egboogi-wọ ti oju iṣẹ; ni akoko kanna, ara akọkọ ti ọpa fifun tabi òòlù tun jẹ irin lati rii daju iṣiṣẹ ailewu rẹ, ni imunadoko ilodi laarin yiya resistance ati resistance resistance, ati pe o le ṣe deede si ọpọlọpọ ipo iṣẹ. O ṣii aaye tuntun fun yiyan ti awọn ohun elo aṣọ-giga fun ọpọlọpọ awọn olumulo, ati ṣẹda awọn anfani eto-ọrọ to dara julọ.
a.Martensitic Irin + seramiki
Ti a ṣe afiwe pẹlu ọpa fifun martensitic lasan, hammer matensitic seramiki fifun ni líle ti o ga julọ lori dada yiya rẹ, ṣugbọn ipakokoro ipa ti olufẹ fẹ kii yoo dinku. Ni awọn ipo iṣẹ, igi fifun seramiki martensitic le jẹ aropo to dara fun ohun elo ati nigbagbogbo le gba awọn akoko 2 tabi igbesi aye iṣẹ to gun.
b.High Chromium White Iron + Seramiki
Botilẹjẹpe igi fifun irin giga-chromium lasan tẹlẹ ti ni resistance wiwọ giga, nigbati awọn ohun elo fifun pa pẹlu líle ti o ga pupọ, gẹgẹ bi granite, awọn ọpa fifun ti ko lagbara diẹ sii ni a lo nigbagbogbo lati pẹ igbesi aye iṣẹ wọn. Ni idi eyi, irin simẹnti ti o ga-chromium pẹlu igi fifun seramiki ti a fi sii jẹ ojutu ti o dara julọ. Nitori ifisinu ti awọn ohun elo amọ, líle ti yiya dada ti fifẹ ju ti wa ni siwaju sii, ati awọn oniwe-yiya resistance ti wa ni significantly dara si, maa 2 igba tabi gun iṣẹ aye ju deede ga chromium funfun irin.
Awọn anfani ti Ohun elo Apapo Seramiki-Metal (CMC)
(1) Lile sugbon ko brittle, alakikanju ati wọ-sooro, iyọrisi a meji iwontunwonsi ti yiya resistance ati ki o ga toughness;
(2) Awọn líle seramiki jẹ 2100HV, ati resistance resistance le de ọdọ 3 si awọn akoko 4 ti awọn ohun elo alloy arinrin;
(3) Apẹrẹ ero ti ara ẹni, laini yiya diẹ sii;
(4) Igbesi aye iṣẹ pipẹ ati awọn anfani aje giga.
Ọja Paramita
| Ẹrọ Brand | Awoṣe ẹrọ |
| Metso | LT-NP 1007 |
| LT-NP 1110 | |
| LT-NP 1213 | |
| LT-NP 1315/1415 | |
| LT-NP 1520/1620 | |
| Hazemag | 1022 |
| 1313 | |
| 1320 | |
| Ọdun 1515 | |
| 791 | |
| 789 | |
| Sandvik | QI341 (QI240) |
| QI441(QI440) | |
| QI340 (I-C13) | |
| CI124 | |
| CI224 | |
| Kleemann | MR110 EVO |
| MR130 EVO | |
| MR100Z | |
| MR122Z | |
| Terex Pegson | XH250 (CR004-012-001) |
| XH320-titun | |
| XH320-atijọ | |
| 1412 (XH500) | |
| 428 Tracpactor 4242 (300 giga) | |
| Iboju agbara | Trackpactor 320 |
| Terex Finlay | I-100 |
| I-110 | |
| I-120 | |
| I-130 | |
| I-140 | |
| Rubblemaster | RM60 |
| RM70 | |
| RM80 | |
| RM100 | |
| RM120 | |
| Tesab | RK-623 |
| RK-1012 | |
| Extec | C13 |
| Telsmith | 6060 |
| Keestrack | R3 |
| R5 | |
| McCloskey | I44 |
| I54 | |
| Lippmann | 4248 |
| Asa | 1400 |
| 1200 | |
| Alukoro | 907 |
| 1112/1312 -100mm | |
| 1112/1312 -120mm | |
| 1315 | |
| Kumbee | No1 |
| No2 | |
| Shanghai Shanbao | PF-1010 |
| PF-1210 | |
| PF-1214 | |
| PF-1315 | |
| SBM / Henan Liming / Shanghai Zenith | PF-1010 |
| PF-1210 | |
| PF-1214 | |
| PF-1315 | |
| PFW-1214 | |
| PFW-1315 |