Chiyambi cha Chitsulo cha Zida cha 1.2379
Chitsulo cha zida cha 1.2379Chitsulo cha D2, chomwe chimadziwikanso padziko lonse lapansi kuti chitsulo cha D2, ndi chida chachitsulo chozizira kwambiri chomwe chimagwiritsidwa ntchito ndi chitsulo chozizira kwambiri chomwe chimadziwika kuti chimatha kupirira kuwonongeka, mphamvu yolimba, komanso kukhazikika kwabwino kwambiri. Chimagwiritsidwa ntchito kwambiri m'magwiritsidwe ntchito osiyanasiyana a zida kuphatikizapo ma blanking dies, punching, shear blades, ndi zida zopangira.
At SAKYSTEEL, timadziwa bwino kupereka zitsulo za zida za 1.2379 mu bar yozungulira, bar yosalala, ndi mabuloko opangidwa ndi zinthu zopangidwa ndi mtundu wotsimikizika komanso kapangidwe ka mankhwala kolondola. Munkhaniyi, tikupereka kusanthula kwathunthu kwa mankhwala ndi kapangidwe ka makina a chitsulo cha 1.2379 ndikuwunika momwe chimathandizira kutentha, kugwiritsa ntchito, komanso kufananiza ndi zitsulo zina za zida.
Kapangidwe ka Mankhwala a Chitsulo cha Zida cha 1.2379 (DIN Standard)
Kapangidwe ka mankhwala ndiye maziko a mphamvu za makina komanso kuthekera kochiritsira kutentha kwa chitsulo cha zida. Malinga ndi DIN EN ISO 4957, kapangidwe ka mankhwala ka chitsulo cha zida cha 1.2379 (D2) ndi motere:
| Chinthu | Zomwe zili mkati (%) |
|---|---|
| Kaboni (C) | 1.50 – 1.60 |
| Chromium (Cr) | 11.00 – 13.00 |
| Molybdenum (Mo) | 0.70 – 1.00 |
| Vanadium (V) | 0.80 – 1.20 |
| Manganese (Mn) | 0.15 – 0.45 |
| Silikoni (Si) | 0.10 – 0.60 |
| Phosphorus (P) | ≤ 0.03 |
| Sulfure (S) | ≤ 0.03 |
Mfundo Zazikulu Zamankhwala:
- Kuchuluka kwa Chromium (11-13%)kumawonjezera dzimbiri ndi kukana kuvala.
- Vanadium (0.8–1.2%)kumathandizira kukonza bwino tirigu ndikuwongolera moyo wa zida.
- Mpweya (1.5%)imapereka kuuma kwakukulu pambuyo pothandizidwa ndi kutentha.
Zinthu zophatikiza izi zimapanga netiweki yolimba ya carbide mu microstructure, zomwe zimawonjezera kwambiri moyo wa zida m'malo omwe nthawi zambiri amawonongeka.
Katundu wa Makina a Chitsulo cha Zida cha 1.2379
| Katundu | Mtengo Wamba (Wosinthidwa) | Mkhalidwe Wolimba |
|---|---|---|
| Kuuma | ≤ 255 HB | 58 - 62 HRC |
| Kulimba kwamakokedwe | 700 – 950 MPa | Mpaka 2000 MPa |
| Mphamvu Yokakamiza | - | Pamwamba |
| Kulimba kwa Impact | Wocheperako | Wocheperako |
Zolemba:
- Pambuyo pokonza ndi kutentha, chitsulocho chimapeza kuuma kwakukulu mpaka 62 HRC.
- Imasunga kuuma mpaka 425°C, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito ndi katundu wambiri komanso mwachangu kwambiri.
Kuchiza Kutentha kwa Chitsulo cha Zida cha 1.2379 / D2
Njira yochizira kutentha imakhudza kwambiri magwiridwe antchito a chitsulo cha D2.
1. Kuphimba
- Kutentha:850 – 900°C
- Kuziziritsa:Ng'anjo imaziziritsidwa pa kutentha kwa 10°C/ola mpaka 600°C, kenako imaziziritsidwa ndi mpweya.
- Cholinga:Kuchepetsa kupsinjika kwamkati ndikukonzekera makina.
2. Kuuma
- Kutentha:650 – 750°C
- Kulimbitsa thupi:1000 – 1040°C
- Kuzimitsa:Mpweya, vacuum kapena mafuta
- Zindikirani:Pewani kutentha kwambiri komwe kungayambitse kuuma kwa tirigu.
3. Kulimbitsa thupi
- Kuchuluka kwa Kutentha:150 – 550°C
- Miyendo:Kawirikawiri ma tempering cycles awiri kapena atatu
- Kuuma Komaliza:58 - 62 HRC kutengera kutentha
Njira yotenthetsera imatsimikizira kulimba ndipo imachepetsa kusweka pambuyo pozimitsa.
Kugwiritsa ntchito Chitsulo cha Zida cha 1.2379
Chitsulo cha zida cha 1.2379 chimagwiritsidwa ntchito kwambiri pa:
- Kudula ndi kubaya zipolopolo
- Ulusi wozungulira umafa
- Kufa kwa chimfine chozizira
- Zida zopangira ndi kusindikiza
- Zipangidwe zapulasitiki zomwe zimafuna kukana kuvala kwambiri
- Mipeni ndi masamba a mafakitale
Chifukwa cha kukana kwake kuwonongeka komanso kusungidwa bwino m'mphepete, 1.2379 ndi yoyenera kwambiri pa ntchito yayitali yopangira komanso yogwira ntchito mwamphamvu.
Kuyerekeza ndi Zida Zina
| Kalasi yachitsulo | Kuvala kukana | Kulimba | Kuuma kwa Magawo (HRC) | Kukana Kudzikundikira |
|---|---|---|---|---|
| 1.2379 / D2 | Pamwamba Kwambiri | Pakatikati | 58–62 | Pakatikati |
| A2 | Pamwamba | Pamwamba | 57–61 | Zochepa |
| O1 | Wocheperako | Pamwamba | 57–62 | Zochepa |
| M2 (HSS) | Pamwamba Kwambiri | Pakatikati | 62–66 | Pakatikati |
SAKYSTEELMainjiniya nthawi zambiri amalimbikitsa 1.2379 pomwe zida zimafuna kukhazikika kwa magawo awiri komanso kukana kuwonongeka popanga zinthu zambiri.
Kuwotcherera ndi Kutha Kukonza
1.2379 siilimbikitsidwa powotcherera chifukwa cha kuchuluka kwa mpweya m'thupi komanso chiopsezo cha ming'alu. Ngati kuwotcherera kuli kosapeweka:
- Gwiritsani ntchito ma electrode opanda haidrojeni wambiri
- Yatsani kutentha kufika 250–300°C
- Chithandizo cha kutentha pambuyo pa weld ndi chofunikira
Kuthekera kwa makina:
Kukonza makina 1.2379 mu mkhalidwe wake wophimbidwa ndi anneal n'kosavuta kuposa kuuma pambuyo pouma. Zida za Carbide zimalimbikitsidwa chifukwa cha kukhalapo kwa carbides zolimba.
Mankhwala Okhudza Malo Ozungulira
Kuti pakhale kuuma kwa pamwamba komanso kukana dzimbiri, chitsulo cha zida cha 1.2379 chingagwire ntchito motere:
- Kutaya madzi
- Chophimba cha PVD (TiN, CrN)
- Chophimba cholimba cha chrome
Mankhwalawa amawonjezera moyo wa zida, makamaka pakugwiritsa ntchito kwambiri.
Mafomu ndi Makulidwe Omwe Akupezeka
| Fomu | Kukula Kopezeka |
|---|---|
| Mpiringidzo Wozungulira | Ø 20 mm – 400 mm |
| Mpiringidzo Wathyathyathya / Mbale | Kukhuthala 10 mm - 200 mm |
| Chopangira Chopangira | Kukula Kwamakonda |
| Malo Oyenera Kwambiri | Mukapempha |
Timapereka ntchito zodula ndi kutentha zomwe zakonzedwa mwamakonda malinga ndi zofunikira za polojekiti.
Miyezo Yofanana ya1.2379 Chitsulo cha Zida
| Dziko | Muyezo / Giredi |
|---|---|
| Germany | DIN 1.2379 |
| USA | AISI D2 |
| Japan | JIS SKD11 |
| UK | BS BH21 |
| France | Z160CDV12 |
| ISO | X153CrMoV12 |
Kufanana kumeneku kumalola padziko lonse lapansi kupeza zinthuzi ndi khalidwe lofanana.
Pomaliza: N’chifukwa Chiyani Muyenera Kusankha Chitsulo cha Zida cha 1.2379?
Chitsulo cha 1.2379 / D2 ndi chisankho chabwino kwambiri pakugwiritsa ntchito zida zapamwamba chifukwa cha:
- Kukana kuvala kwambiri
- Kukhazikika kwa miyeso panthawi ya chithandizo cha kutentha
- Kulimba bwino kwambiri
- Mitundu yosiyanasiyana ya ntchito zamafakitale
Kwa mafakitale omwe amafuna kulimba, kulondola, komanso kugwiritsa ntchito zida zotsika mtengo, 1.2379 ikadali chitsulo chodalirika. Kaya ndi chopangira ma die kapena chopangira zinthu zozizira, chimagwira ntchito nthawi zonse pansi pa kupanikizika.
At SAKYSTEEL, tikutsimikizira kuti chitsulo cha zida chapamwamba kwambiri cha 1.2379 chili ndi kapangidwe ka mankhwala kolondola komanso kulekerera kolimba. Lumikizanani nafe kuti mudziwe kupezeka kwa masheya, mitengo, ndi ntchito zopangira makina.
Mafunso Ofunsidwa Kawirikawiri Zokhudza 1.2379 Chitsulo cha Zida
Q1: Kodi kuuma kwakukulu kwa 1.2379 pambuyo pa chithandizo cha kutentha ndi kotani?
A: Mpaka 62 HRC kutengera njira yozimitsira ndi kutenthetsa.
Q2: Kodi 1.2379 ingagwiritsidwe ntchito m'malo otentha ogwirira ntchito?
A: Ayi, idapangidwira ntchito zozizira.
Q3: Kodi chitsulo cha D2 chili ndi maginito?
A: Inde, chifukwa cha kuuma kwake, ndi ferromagnetic.
Q4: Kodi njira zina zodziwika bwino m'malo mwa 1.2379 ndi ziti?
A: Zitsulo za zida za A2 ndi M2 nthawi zambiri zimagwiritsidwa ntchito kutengera kulimba kapena kuuma kofunikira.
Nthawi yotumizira: Juni-25-2025