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  • Research progress of high strength grey cast iron material for automobile cylinder head

    Research progress of high strength grey cast iron material for automobile cylinder head

    1. Microstructure of high strength gray iron The strength of gray cast iron is mainly determined by its microstructure. Through the analysis of the transformation law of gray cast iron’s microstructure, the microstructure of high strength gray cast iron generally includes the following aspe...
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  • Lost Foam casting borrow cavity for runner study

    Lost Foam casting borrow cavity for runner study

    1. The casting system for the Lost Foam process is of solid foam type. During pouring, liquid metal will pass through quickly in the first place, which will be liquefied into colloidal shape in case of high temperature foam.Foam model gasification takes heat from the liquid metal.The casting temp...
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  • Application of technology to lost foam steel casting

    Application of technology to lost foam steel casting

    Lost Foam casting has the advantages of simple process operation, low material consumption cost, surface gloss knot, high dimensional accuracy, and less environmental pollution, etc., which gained great popularity and application in the late 1990s in China. However, there is not much successful e...
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  • Study on the composite casting process of vacuum lost mold Shell for nodular iron Pipe

    Study on the composite casting process of vacuum lost mold Shell for nodular iron Pipe

    Vacuum lost mold casting, also known as dry sand negative pressure lost mold casting process, or short for lost mold casting process, it is a new process based on the American solid mold casting technology patent in 1958, combined with the later vacuum seal molding technology research and develop...
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  • Current status and development trend of my country’s valve industry

    Current status and development trend of my country’s valve industry

    Valves are one of the indispensable fluid control equipment in all sectors of the national economy. They are used in large quantities, involve a wide range, and are complex in varieties. The quality of their quality and technical level are directly related to the safe production, economic benefit...
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  • Effect of Mixed Rare Earth on the Microstructure and Properties of Gray Cast Iron

    Effect of Mixed Rare Earth on the Microstructure and Properties of Gray Cast Iron

    Gray cast iron has good casting and many other excellent properties, but its mechanical properties are low. Adding rare earth elements to gray cast iron can improve the mechanical properties of gray cast iron, such as tensile strength, wear resistance, and hardness. At the same time, rare earth e...
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  • Production technology of high-quality gray cast iron

    Production technology of high-quality gray cast iron

    High-quality gray cast iron not only has high strength and hardness, but also has good cutting performance. The organization should be as uniform as possible, that is, evenly distributed, medium-sized A-type graphite; evenly distributed, medium or medium-fine pearlite matrix; as few inclusion par...
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  • Analysis of Influencing Factors on Cutting Performance of Gray Cast Iron Cylinder Block

    Analysis of Influencing Factors on Cutting Performance of Gray Cast Iron Cylinder Block

    In recent years, the domestic automobile industry has developed rapidly. Major companies have introduced automobile products and processing equipment in an all-round way, in order to launch competitive new products in a short time, and quickly occupy the market. Casting products generally adopt a...
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  • Influencing factors and application of aluminum die-casting mold life

    Influencing factors and application of aluminum die-casting mold life

    Aluminum die-casting molds are currently widely used molds. Due to the long production cycle, large investment, and high manufacturing precision, the cost is relatively high. Therefore, it is hoped that aluminum die-casting molds have a longer service life. However, due to the influence of a seri...
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  • Quality Control Technology of Gray Cast Iron Cylinder Block and Head Casting

    Cylinder block and cylinder head are the parts with large size, shape, and high technical requirements in automobiles. The quality of cylinder head and cylinder head castings comprehensively reflects the technological level, management level and personnel quality of the foundry. At present, autom...
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  • Analysis of gray cast iron processing performance

    Analysis of gray cast iron processing performance

    1 Evaluation of the processing performance of cast iron is the cutting speed at a certain tool life and under the same conditions. Usually use a bow saw machine, choose the same new saw blade, cut the test bar under the same conditions, and compare the cutting speed.In metal processing, the first...
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  • Modern gray cast iron smelting technology

    Cast iron has a long history as a structural material, because it has abrasion resistance, heat resistance, oxidation resistance, corrosion resistance, acid and alkali resistance and good shock absorption; compared with other alloys, it has a low melting point, good moldability, and good processa...
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