Khoom Taw Qhia

GGG40 pob zeb cam khwb cia hlau poob ciab peev casting

1, GGG40 yog ib hom cam khwb cia hlau khoom, kuj muaj zog, kuj hu ua ductile hlau. Piv nrog rau cov hlau cam khwb cia zoo tib yam, plasticity thiab toughness tau zoo heev, thiab lub zog kuj siab dua carbon steel.

2, yog li nyob rau hauv qee qhov chaw uas yuav tsum tau muaj zog, toughness los yog hnav tsis kam, cov khoom no feem ntau yog siv, xws li crankshaft, txuas pas nrig, iav, valve lub cev, thiab lwm yam, tuaj yeem ua los ntawm cov khoom siv no. Daim ntawv thov ntawm ggg40 hauv ntau qhov kev lag luam yog qhov dav heev, thiab nws tuaj yeem siv los hloov cov hlau cam los yog forged steel ntawm ntau qhov chaw, uas tuaj yeem txuag tau qee cov hlau thiab txo cov nqi siv.

GGG40 hlau cam khwb cia hlau khoom daim ntawv muaj tshwm sim

① Cov pob txha yog nyiaj-dawb. Shrinkage thaum lub sij hawm solidification yog loj, uas yog ib qho yooj yim los tsim shrinkage qhov thiab tawg.

② High hardness, brittleness, tsis tuaj yeem tiv taus qhov cuam tshuam. Nws feem ntau yog siv los ua ib qho dawb paug rau malleable cam khwb cia hlau thiab ua rau hnav-resistant qhov chaw.

③ Malleable cam khwb cia hlau. Tau los ntawm cov hlau cam khwb cia dawb tom qab kho annealing, cov graphite tau muab faib ua pawg thiab flocculation, hu ua hlau tawv. Nws muaj cov qauv microstructure, puas ua haujlwm, zoo plasticity thiab toughness. Nws yog siv los tsim cov khoom nrog cov duab nyuaj uas tuaj yeem tiv taus cov khoom muaj zog dynamic.

④ Nodular hlau. Grey cam khwb cia hlau molten hlau yog tau los ntawm spheroidizing kev kho mob, thiab precipitated graphite yog kheej kheej, hu ua ductile hlau. Piv nrog cov grey cam khwb cia hlau zoo tib yam, nws muaj qib siab dua, zoo dua toughness thiab plasticity. Siv nyob rau hauv kev tsim cov combustion engine, nws pib qhov chaw thiab ua liaj ua teb machinery.

⑤ Vermicular graphite cam khwb cia hlau. Cov graphite precipitated los ntawm grey cam khwb cia hlau molten hlau yog worm-zoo li. Cov khoom siv kho tshuab zoo ib yam li nodular cam khwb cia hlau, thiab cov khoom pov thawj yog nruab nrab ntawm grey cam khwb cia hlau thiab nodular cam khwb cia hlau. Siv los ua qhov chaw rau tsheb.

⑥ Alloy cam khwb cia hlau. Ordinary cam khwb cia hlau yog tau los ntawm kev ntxiv cov alloying tsim nyog (xws li silicon, manganese, phosphorus, npib tsib xee, chromium, molybdenum, tooj liab, txhuas, boron, vanadium, tin, thiab lwm yam). Alloying cov ntsiab lus ua rau cov qauv matrix ntawm cam khwb cia hlau hloov, kom nws muaj qhov sib xws thaum tshav kub kub, hnav tsis kam, corrosion kuj, kub tsis kam lossis tsis muaj cov khoom sib nqus

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Peb yog cov chaw tsim khoom ntawm "GGG40 pob milled hlau castings", yog tias koj xav tau cov ntaub ntawv ntxiv thov hu rau peb!