1. Chidule cha Zamalonda
Chidebe chachitsulo chopangidwa motsatiraASTM A27 Giredi 70-36ndi chida chopangira zitsulo za kaboni cholemera chomwe chimapangidwira kusamalira, kunyamula, komanso kusunga kwakanthawi slag yosungunuka kapena zinthu zotentha mu ntchito zachitsulo ndi mafakitale.
Giredi iyi yasankhidwa mwapadera kuti ipereke mulingo woyenera pakati pamphamvu, kusinthasintha, komanso kukana kutentha ndi kupsinjika kwa makina, zomwe zimapangitsa kuti ikhale yoyenera kwambiri kwa ma ndevu omwe amanyamulidwa mobwerezabwereza, kutentha kwambiri, komanso kunyamula katundu wambiri.
2. Muyezo Woyenera
ASTM A27 / A27M- Zitsulo Zotayidwa, Kaboni, Zogwiritsidwa Ntchito Mwambiri
Kalasi Yopangira Zinthu:ASTM A27 Giredi 70-36
Ma castings onse ayenera kupangidwa, kuyesedwa, ndikuyang'aniridwa motsatira zofunikira za ASTM A27 pokhapokha ngati wogula wanena mwanjira ina.
3. Makhalidwe a Zinthu - ASTM A27 Giredi 70-36
ASTM A27 Giredi 70-36 ndi mtundu wapakati wa carbon steel casting grade womwe umadziwika ndi plasticity yabwino komanso kudalirika kwa kapangidwe kake.
3.1 Katundu wa Makina (Osachepera)
| Katundu | Chofunikira |
| Kulimba kwamakokedwe | ≥ 70,000 psi (≈ 485 MPa) |
| Mphamvu Yopereka | ≥ 36,000 psi (≈ 250 MPa) |
| Kutalika (mu 2 in / 50 mm) | ≥ 22% |
| Kuchepetsa Malo | ≥ 30% |
Makhalidwe a makina amenewa amatsimikizira kuti ali ndi mphamvu zokwanira zonyamula katundu pamene akusungabe kukana bwino ku ming'alu ndi kusweka kwa ming'alu.
3.2 Kapangidwe ka Mankhwala (Malire Odziwika)
| Chinthu | Zamkatimu Zambiri |
| Kaboni (C) | ≤ 0.35% |
| Manganese (Mn) | ≤ 0.70% |
| Phosphorus (P) | ≤ 0.05% |
| Sulfure (S) | ≤ 0.06% |
Kuchuluka kwa kaboni ndi manganese komwe kumayendetsedwa bwino kumathandiza kuti zinthu zipangidwe bwino komanso kuti makina azigwira ntchito bwino popanda kugwiritsa ntchito zinthu zina.
4. Kapangidwe ndi Kapangidwe ka Khonde
l Thupi limodzi lopangidwa ndi chidutswa chimodzi kapena thupi lopangidwa ndi zingwe zonyamulira zonyamulira / zonyamulira zonyamulira
L Yosalala mkati mwa geometry kuti muchepetse nkhawa
l Makulidwe okwanira a khoma opangidwa kuti athe kupirira kutentha ndi katundu wogwiritsidwa ntchito ndi makina
Malo onyamulira katundu opangidwa kutengera momwe zinthu zimayendera bwino, kuphatikizapo zinthu zotetezera
Kapangidwe ka ndevu kakugogomezeraumphumphu wa kapangidwe kake ndi kulimba kwa ntchito, makamaka pamene kutentha kwambiri kuli pamwamba komanso pamene crane ikuyendetsedwa mobwerezabwereza.
5. Njira Yopangira
5.1 Njira Yoponyera
l Kuponya mchenga pogwiritsa ntchito zipangizo zowongolera zomangira zoyenera kuponyera zitsulo zazikulu
l Kuponyera kutentha kamodzi kumalimbikitsidwa kuti zitsimikizire kuti mankhwala ndi ofanana
5.2 Kusungunula ndi Kuthira
l Ng'anjo yamagetsi ya arc (EAF) kapena ng'anjo yolowetsera
l Kulamulira mwamphamvu kapangidwe ka mankhwala musanathire
l Kuthira kutentha kolamulidwa kuti muchepetse zolakwika zamkati
5.3 Kuchiza Kutentha
Kubwezeretsa chithandizo cha kutenthanthawi zambiri imagwiritsidwa ntchito
Cholinga:
l Yeretsani kapangidwe ka tirigu
l Kuwongolera kulimba ndi katundu wofanana wa makina
Kuchepetsa kupsinjika kwamkati
Magawo ochizira kutentha ayenera kulembedwa ndi kutsatiridwa.
6. Kuwongolera Ubwino ndi Kuyang'anira
6.1 Kusanthula Mankhwala
l Kusanthula kutentha komwe kumachitika pa kusungunuka kulikonse
Zotsatira zolembedwa mu Chitsimikizo cha Mayeso a Mill (MTC)
6.2 Kuyesa kwa Makina
Makuponi oyesera omwe amapangidwa kuchokera ku kutentha komweko ndi kutenthedwa pamodzi ndi chikho:
Mayeso a l Tensile
Kutsimikizira mphamvu ya zokolola
l Kutalikitsa ndi kuchepetsa malo
6.3 Kuyesa Kosawononga (monga momwe zingakhalire)
Kutengera ndi zofunikira za polojekiti:
Kuyang'ana kowoneka bwino (100%)
Kuyesa kwa tinthu tating'onoting'ono ta l Magnetic (MT) pa ming'alu ya pamwamba
Kuyesa kwa Ultrasonic (UT) kuti muwone ngati mkati mwake muli bwino
6.4 Kuyang'anira Magawo
Kutsimikizira motsutsana ndi zojambula zovomerezeka
l Chisamaliro chapadera pa kukweza mbedza ndi magawo olemera kwambiri
7. Zolemba ndi Chitsimikizo
Zikalata zotsatirazi nthawi zambiri zimaperekedwa:
Satifiketi Yoyesera ya Mill (EN 10204 3.1 kapena yofanana nayo)
l Lipoti la kapangidwe ka mankhwala
l Zotsatira za mayeso a makina
l Mbiri ya chithandizo cha kutentha
Malipoti a NDT (ngati pakufunika)
Lipoti loyang'anira miyeso
Zolemba zonse zikutsatira gulu loyenera la kutentha ndi kuponyera.
8. Chiwerengero cha Ntchito
Ziwiya zachitsulo zopangidwa ndi ASTM A27 Giredi 70-36 zimagwiritsidwa ntchito kwambiri mu:
l Zomera zachitsulo ndi mafakitale opangira zinthu
l machitidwe ogwiritsira ntchito matope
l Ma workshop a zitsulo
l Ntchito zotumizira zinthu zambiri m'mafakitale
Giredi iyi ndi yoyenera makamaka pa ntchito zomwekusinthasintha ndi chitetezo pansi pa katundu wamphamvundi ofunikira kwambiri.
9. Ubwino Wogwiritsa Ntchito ASTM A27 Giredi 70-36 pa Ma Ladles
l Kulinganiza bwino pakati pa mphamvu ndi kusinthasintha
l Kuchepetsa chiopsezo cha kusweka kwa brittle fracture chifukwa cha kutentha kwa shock
l Yotsika mtengo poyerekeza ndi yapamwamba-mphamvu, magiredi otsika-ductility
l Kudalirika kotsimikizika pa ntchito zolemera zoponyera
Kuvomerezedwa kwakukulu ndi oyang'anira ndi makampani opanga mainjiniya
Zambiri Zokhudza Kulongedza ndi Kuyendera
NCM Yoperekedwa (Khodi ya Misonkho):8454100000
Mtundu wa Maphukusi Ogwiritsidwa Ntchito:
Chidebe chamatabwa kapena bokosi lopangidwa mwapadera kuti linyamulidwe panyanja.
Mafuta oletsa dzimbiri kapena filimu yoletsa dzimbiri yogwiritsidwa ntchito pamwamba.
Mangani zomangira zolimba ndi zitsulo ndi matabwa otchinga kuti musasunthike panthawi yoyenda.
Mtundu wa njira zotumizira:Chidebe,chotengera chachikulu:
Chidebe Chokhazikika Chokhazikika- Zimakondedwa kuti zisamavutike kutsitsa/kutsitsa katundu pogwiritsa ntchito crane.
Tsegulani Chidebe Chapamwamba- Imagwiritsidwa ntchito pamene pali vuto la kutseguka kwa vertical.
Chotengera Chochuluka- Chifukwa cha kukula kwakukulu, sichingalowe m'mabotolo
Mukufuna Layisensi Yoyendera Anthu Am'deralo?
Inde, chifukwa cha kukula kwa miphika,layisensi yapadera yoyenderanthawi zambiri amafunika potumiza katundu pamsewu kapena pa sitima. Zikalata ndi zojambula zaukadaulo zitha kuperekedwa kuti zithandize pa ntchito zopempha chilolezo.
Ngati katundu wapadela ndi waukulu, ndi zipangizo ziti zomwe ziyenera kugwiritsidwa ntchito ponyamula katundu?
Ma Crane Okwawayokhala ndi mphamvu zokwanira zogwirira ntchito yaying'ono komanso yolemera.
Ma crane a m'mphepete mwa nyanjamiphika ya slag yolemera kwambiri yokhala ndi kulemera kopitilira matani 28
Malo onse onyamulira zinthu amapangidwa mwaluso komanso kuyesedwa kuti atsimikizire kuti zinthuzo zikugwira ntchito bwino komanso motsatira malamulo.
10. Mapeto
ASTM A27 Giredi 70-36 ndi chinthu chabwino komanso chotsika mtengo chomwe chimasankhidwa pa zidebe zachitsulo zomwe zimagwiritsidwa ntchito m'malo ovuta kwambiri m'mafakitale. Kapangidwe kake ka makina, kuphatikiza ndi mankhwala olamulidwa bwino komanso kutentha koyenera, kumapereka kudalirika komanso chitetezo chogwira ntchito kwa nthawi yayitali.
Timadzitamandira ndintchito zosintha mwamakonda, kupanga mwachangundinetiweki yotumizira padziko lonse lapansi, kuonetsetsa kuti zosowa zanu zikukwaniritsidwa molondola komanso mwaluso.
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Nthawi yotumizira: Januwale-22-2026