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교차하는 철도 네트워크에서, every cast iron component under each sleeper bears the weight of tens of thousands of tons and the test of time. Although traditional sand casting can meet…

1. The Unique Charm of Sodium Silicate Sand: a Perfect Blend of Tradition and Modernity Sodium silicate sand, as a “perennial tree” in the foundry field, has its core in the magical…

1.Technological Revolution: A paradigm breakthrough from segmented casting to continuous forming The traditional mold casting process was once the mainstream for railway casting manufacturing. Its procedure was like a “relay race”: after…

1. Resin Sand Mold: The Cornerstone for building high-precision casting molds 1.1 Chemical curing mechanism and strength advantages The core competitiveness of resin sand lies in its unique chemical curing system –…

1.The brittleness Dilemma and Longevity Challenge of railway gearboxes Railway gearboxes are the “코어 허브” 열차의 동력 전달을 위해 고주파 진동에도 안정적으로 작동해야 함, shock loads and temperature fluctuations.…

The railway wheel hub, 열차와 선로를 직접 접촉시키는 핵심부품으로, 간단한 것 같다 “디스크” 구조. 하지만, 기차의 전체 무게를 지탱합니다,…

New trends in global heavy-haul railway development. pose challenges and countermeasures for casting performance. As the core artery for global bulk cargo transportation, the technological evolution of heavy-haul railways has always been…

1. 흑연 형태: 천연 윤활의 미세한 비밀 1.1 A형 흑연: Microscopic Ball Bearings in a Metal Matrix Under a microscope, A형 흑연은 고르게 분포된 플레이크로 존재합니다., resembling…

In the maintenance and repair of heavy-haul railways, rail grinding is a very important task. Why is rail grinding necessary? This is because the service life of rails is directly related to…

On the high-speed railway trains, the gearbox, 으로 “마음” of power transmission, always silently supports every gallop behind the scenes. 하지만, 이것 “마음” has to withstand severe tests in extreme temperature…

In the field of railway transportation, 차축 상자, as a key component of the bogie, bears important responsibilities such as supporting the weight of the vehicle body, transmitting the wheel-rail force,…