Gravity die casting machine for aluminum

The Yangtze River Delta region (especially Jiangsu and Zhejiang) serves as a "bridgehead" for my country's manufacturing industry, and its aluminum alloy precision casting industry has formed a highly complete industrial chain cluster. Recently (2025-2026), driven by the explosive growth in demand for lightweight new energy vehicles and high-end equipment manufacturing, the aluminum alloy gravity casting industry in Jiangsu and Zhejiang has exhibited the following significant development characteristics and trends: 1. Deepening of Industrial Layout and Cluster Formation of Core Support Points: The two regions have established an industrial structure with Ningbo (such as Yinzhou, Beilun, and Fenghua areas) in Zhejiang and Wuxi, Suzhou, and Xuzhou in Jiangsu as important support points. Mold and Logistics Support: Especially in Ningbo, relying on its unique port logistics advantages and extremely strong mold industry support, local gravity casting plants, low-pressure casting plants, and machining plants have formed a highly coordinated supporting network. 2. Surge in Market Demand and Structural Upgrading Driven by New Energy and Lightweighting: In 2026, the aluminum alloy casting market size in both regions will continue to expand (the market size of related aluminum castings and die castings in Jiangsu will increase by approximately 12% compared to the same period last year). The main driving force comes from the requirements of aluminum alloys for "air tightness and high strength" in the shells of the three-electric systems (battery, motor, and electronic control) of new energy vehicles, high-performance chassis components, and high-end equipment. User pain points are forcing industry reshuffling: small and micro workshops in the market are gradually being eliminated due to unstable processes (prone to defects such as porosity and shrinkage). In 2026, buyers will prefer to look for reliable, technically proficient, and fully-fledged one-stop service providers with 20-year-old factories or medium-to-large-sized modern factories. 3. "Gravity + X" multi-process combination and customized one-stop process delivery: In order to reduce the cost of multiple intermediaries, downstream customers prefer to look for comprehensive manufacturers that can simultaneously undertake gravity casting, low-pressure casting, high-pressure die casting, and precision machining. Unique Advantages of Gravity Casting: While ultra-large integrated die casting (such as 16,000-ton die casting machines) is booming, gravity casting, with its advantages of high internal density, good airtightness, heat treatment capability, and relatively low mold cost, maintains its irreplaceable core position in medium and large-sized aluminum castings with complex structures and stringent mechanical performance requirements (such as complex cylinder heads and complex cavity valve bodies). 4. Intelligent and Green Melting Transformation: Digital Process Simulation: Advanced gravity casting enterprises in Jiangsu and Zhejiang have widely adopted CAE (Computer-Aided Engineering) software to simulate the aluminum liquid filling and solidification process during the mold design stage, significantly reducing the probability of shrinkage cavities and incomplete filling common in gravity casting. Automation and Green Production: The adoption rate of intelligent melting furnaces and robotic automatic pouring systems in factories in both regions has significantly increased. This not only improves operational safety but also ensures high repurchase rates and high quality of castings through precise control of pouring temperature and speed.