Kana zvasvika pakusarudza simbi yakakodzera yesimbi yekushandisa muchina, mundege, kana mumaindasitiri, mazita matatu anowanzo shandiswa —4140, 4130uye4340. Idzi simbi dzine chromium-molybdenum simbi dzine alloy shoma dzinozivikanwa nekusimba kwadzo, kusimba, uye mashandiro adzo. Asi unoziva sei kuti ndeipi yakakodzera basa rako?
Mugwaro iri rakazara, tinoenzanisa4140 vs 4130 vs 4340 simbipamatanho akakosha akadai sekuumbwa kwemakemikari, hunhu hwemakanika, kuomarara, kugona kusveta, kurapwa kwekupisa, uye kukodzera kushandiswa - zvichibatsira mainjiniya, vagadziri, nevatengi kuita sarudzo dzine ruzivo.
1. Nhanganyaya ku4140, 4130, uye 4340 Simbi Bars
1.1 Chii Chinonzi Simbi Dzisina Alloy?
Masimbi asina alloy akaderera isimbi dzekabhoni dzinosanganisira zvinhu zvidiki zve alloying zvakaita se chromium (Cr), molybdenum (Mo), uye nickel (Ni) kuti zvivandudze hunhu hwazvo.
1.2 Pfupiso yeGiredhi rega rega
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4140 Simbi: Simbi inoshandiswa zvakasiyana-siyana ine simba rakanaka uye kuomarara, inoshandiswa zvakanyanya mukugadzira maturusi, zvikamu zvemotokari, uye mainjiniya akajairika.
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4130 Simbi: Inozivikanwa nekusimba kwayo kwakanyanya uye kugona kusungirira, inowanzoshandiswa mundege nemitambo yemota.
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4340 Simbi: Chiumbwa chenickel-chromium-molybdenum chine simba rakawanda uye chinodzivirira kuneta, chinoshandiswa mumhepo uye mumabasa anorema.
2. Kuenzanisa Kuumbwa Kwemakemikari
| Chinhu | 4130 (%) | 4140 (%) | 4340 (%) |
|---|---|---|---|
| Kabhoni (C) | 0.28 – 0.33 | 0.38 – 0.43 | 0.38 – 0.43 |
| Manganese (Mn) | 0.40 – 0.60 | 0.75 – 1.00 | 0.60 – 0.80 |
| Chromium (Cr) | 0.80 – 1.10 | 0.80 – 1.10 | 0.70 – 0.90 |
| Molybdenum (Mo) | 0.15 – 0.25 | 0.15 – 0.25 | 0.20 – 0.30 |
| Nickel (Ni) | – | – | 1.65 - 2.00 |
| Silikoni (Si) | 0.15 – 0.35 | 0.15 – 0.30 | 0.15 – 0.30 |
Zvinyorwa Zvikuru:
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4340yakawedzeranikeli, zvichiita kuti iwedzere kusimba uye irambe ichirwisa kuneta.
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4130ine kabhoni shoma, zvichivandudzikakuchinjika.
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4140ine kabhoni yakawanda uye manganese, zvichiwedzerakuomarara nesimba.
3. Kuenzanisa Zvimiro zveMichina
| Pfuma | 4130 Simbi | 4140 Simbi | 4340 Simbi |
|---|---|---|---|
| Simba reKusimba (MPa) | 670 - 850 | 850 - 1000 | 930 - 1080 |
| Simba reKubereka (MPa) | 460 - 560 | 655 - 785 | 745 - 860 |
| Kureba (%) | 20 - 25 | 20 - 25 | 16 - 20 |
| Kuoma (HRC) | 18 - 25 | 28 - 32 | 28 - 45 |
| Kusimba Kwemhedzisiro (J) | Yakakwirira | Zviri pakati nepakati | Yakakwirira Zvikuru |
4. Kurapa Kupisa uye Kuomesa
4130
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Kugadzirisa zvinhu: 870–900°C
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Kuomesa: Kudzima mafuta kubva pa870°C
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Kudzikisa: 480–650°C
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Zvakanakira: Zvikumbiro zvinodiwakuchinjikauyekuoma
4140
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Kuomesa: Kudzima mafuta kubva pa840–875°C
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Kudzikisa: 540–680°C
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Kuomarara: Yakanaka kwazvo — kuomarara kwenyaya kwakadzika kunogoneka
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Zvakanakira: Mishafts yakasimba, magiya, macrankshafts
4340
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Kuomesa: Oiri kana polima inodzima kubva pa830–870°C
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Kudzikisa: 400–600°C
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Zvinozivikanwa: Inoramba yakasimba kunyangwe mushure mekuoma kwakadzika
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Zvakanakira: Zvishandiso zvekumhara ndege, zvinhu zvinorema zvinofambisa ndege
5. Kugona Kubatanidza uye Kugona Kugadzira Machina
| Pfuma | 4130 | 4140 | 4340 |
|---|---|---|---|
| Kugona kusundira | Zvakanakisa | Zvakanaka Kubva Kunaka | Zvakanaka |
| Kugona kuchinjika | Kugona | Kugona | Zviri pakati nepakati |
| Kupisa | Inokurudzirwa kune zvikamu zvikobvu (>12mm) | ||
| Kurapa Kupisa Mushure meWeld | Zvinokurudzirwa pa4140 ne4340 kuderedza kushushikana nekutsemuka |
4130Inonyanya kuzivikanwa nekugona kusundirwa nyore nyore uchishandisa TIG/MIG pasina kutsemuka zvakanyanya, yakanakira zvivakwa zvemachubhu zvakaita semakeji emupumburu kana mafuremu endege.
6. Zvikumbiro zveIndasitiri
6.1 4130 Zvishandiso zveSimbi
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Machubhu emuchadenga
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Mafuremu emujaho nemakeji emupumburu
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Mafuremu emudhudhudhu
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Zvigamuchidzo zvepfuti
6.2 4140 Zvishandiso zveSimbi
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Zvibatiso zvemidziyo
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Makamba emagetsi
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Magiya
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Maekisero nemibato
6.3 4340 Zvishandiso zveSimbi
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Zvishandiso zvekumhara kwendege
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Mabhaudhi nemidziyo yekubatanidza yakasimba
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Zvikamu zvemichina inorema
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Migodhi yeindasitiri yemafuta negesi
7. Zvaunofanira Kufunga Nezvemutengo
| Giredhi | Mutengo Wakaenzana | Kuwanikwa |
|---|---|---|
| 4130 | Zvakaderera | Yakakwirira |
| 4140 | Pakati nepakati | Yakakwirira |
| 4340 | Yakakwirira | Zviri pakati nepakati |
Nekuda kwayozviri mu nickel, 4340 ndiyo inodhura zvakanyanyaZvisinei, kushanda kwayo mumabasa anoda mari yakawanda kunowanzoita kuti mutengo wacho ugare wakarurama.
8. Mitemo Yepasi Pose uye Zvinzvimbo
| Giredhi reSimbi | ASTM | SAE | EN/DIN | JIS |
|---|---|---|---|---|
| 4130 | A29/A519 | 4130 | 25CrMo4 | SCM430 |
| 4140 | A29/A322 | 4140 | 42CrMo4 | SCM440 |
| 4340 | A29/A322 | 4340 | 34CrNiMo6 | SNCM439 |
Iva nechokwadi chekuti mutengesi wako wesimbi anopa zvitupa zvekuongorora zvemugayo zvinoenderana nezvinodiwa zvakaita seASTM A29, EN 10250, kanaJIS G4053.
9. Maitiro Ekusarudza Bhawa Resimbi Rakakodzera
| Chinodiwa | Giredhi Rinokurudzirwa |
|---|---|
| Kugona kunamira kwakanakisa | 4130 |
| Kuenzanisa kwakanakisisa kwesimba uye mutengo | 4140 |
| Kusimba kukuru uye simba rekuneta | 4340 |
| Kuramba kupfeka kwakanyanya | 4340 kana kuti yakaoma 4140 |
| Ndege kana mota | 4340 |
| Mainjiniya akajairika | 4140 |
10. Mhedziso
Mumakwikwi eBhawa reSimbi 4140 vs 4130 vs 4340, hapana anokunda mumwe chete — sarudzo chaiyo inoenderana neyakomashandiro, simba, mutengo, uye zvinodiwa pakunamira.
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Sarudza4130kana uchida kuchinjika kwakanaka uye simba riri pakati nepakati.
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Enda na4140kuti ive sarudzo yakasimba uye isingadhuri yakakodzera shafts nemagiya.
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Sarudza4340apo kuomarara kwakanyanya, simba rekuneta, uye kuramba kuvhunduka kwakakosha.
Nguva yekutumira: Chikunguru-24-2025