News

  • High-strength gray cast iron production technology for cylinder block and cylinder head

    High-strength gray cast iron production technology for cylinder block and cylinder head

    Cylinder block and cylinder head are parts of automobiles with large size, complex shape and high technical requirements. The quality of cylinder block and cylinder head castings comprehensively reflects the technological level, management level and personnel quality of the foundry. At present, a...
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  • Enhancing the application of quick-drying silica sol in foundry

    As early as 1980, people used polyvinyl alcohol (PVA), carboxymethyl cellulose and other water-soluble polymers as reinforcing agents to modify silica sol. And it is applied to investment casting to improve the wet strength of the shell and speed up the drying speed, which is favored by precision...
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  • Art casting silica sol water glass composite shell making process

    Art casting silica sol water glass composite shell making process

    Dewaxing is also an important process of shell making. The quality of dewaxing also affects the quality of artistic castings. Dewaxing operating procedures: (1) Check whether the power supply and steam circuit of the automatic dewaxing kettle are safe. (2) Turn on the steam generator to generate ...
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  • Silica sol casting process control

    Silica sol casting process control

    Silica sol casting refers to a casting method in which a pattern is made of fusible materials, and several layers of refractory materials are coated on the pattern to form a shell. After the pattern is melted, it is baked at a high temperature and then poured. The process of silica sol casting: 1...
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  • Thermal spraying technology and its application in repairing nodular cast iron crankshaft

    Thermal spraying technology and its application in repairing nodular cast iron crankshaft

    Thermal spraying technology uses special equipment and a specific heat source to heat metal or non-metallic materials to a molten or semi-melted state, blow them into tiny particles with high-speed airflow and spray them on the surface of the part to form a covering layer to improve the corrosion...
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  • Quality control measures of large section ductile iron castings

    Quality control measures of large section ductile iron castings

    In view of the problems in the production of large-section ductile iron, the precision casting staff put forward a variety of quality control measures, which are introduced in detail from the following aspects. 1 Speed ​​up cooling One of the key processing measures for precision casting of large...
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  • New Development of Nodular Iron Spheroidization and Inoculation Treatment

    New Development of Nodular Iron Spheroidization and Inoculation Treatment

    Over the years, many engineers and researchers have been studying a way to improve the effect of cast iron spheroidization and inoculation. The spheroidization method and inoculation process of thin-walled ductile iron and thick-walled ductile iron have received greater attention. Since the inocu...
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  • Research Progress of Nodular Cast Iron Spheroidization and Inoculation Treatment

    Research Progress of Nodular Cast Iron Spheroidization and Inoculation Treatment

    Nodular cast iron refers to adding a certain amount of spheroidizing agent and inoculant to the molten iron, which can be solved by spheroidization and inoculation to make the carbon nucleate and grow in the form of nodular graphite when the molten iron is solidified. After solidification, the st...
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  • Several problems in lost foam casting

    Several problems in lost foam casting

    Plastic mold production is the most important and more critical in FMc technology The model materials must meet the following requirements: (1) The density should be small, the rigidity should be good, and there should be a certain compressive strength. (2) It can withstand mechanical processing ...
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  • Development status of lost foam casting in North America and Europe

    Development status of lost foam casting in North America and Europe

    The use of advanced CAE analysis software and rapid manufacturing technology for lost foam casting has become a development trend. There are 6 articles related to casting simulation and rapid manufacturing. The following aspects are involved: ①For the foaming mold of complex castings such as cyli...
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  • Advanced casting technology in the 21st century

    Advanced casting technology in the 21st century

    Casting technology is an interdisciplinary industry of manufacturing and material science and technology. “New manufacturing process and equipment” and “Modeling and simulation” are two of the ten key technologies in the new manufacturing plan. In addition, in the book ...
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  • Suggestions on the further development of lost foam casting technology

    Suggestions on the further development of lost foam casting technology

    New progress in overseas lost foam casting technology in recent years In 2001, the Saginaw Metal Casting Operation (SMCO) lost foam production line subordinate to General Motors Corporation of the United States was officially put into production, marking that the technology level of lost foam in ...
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