Preshrunk technology of typical large iron castings
Content of preshrunk process design for large iron castings The design factors of preshrunk technology for large iron castings mainly […]
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Size and position selection of cold iron for large gray iron castings
For the role of cold iron in the anti shrinkage process of castings, the sequential solidification theory and the equilibrium
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The harm of shrinkage cavity and porosity in aluminum alloy low pressure casting
Shrinkage defects will reduce the elongation of the material, and have a great impact on the load-bearing performance, impact resistance
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Design principle of riser for large gray iron castings
In the past, riser design basically followed the principle of sequential solidification, which needs to meet the following three conditions:
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Research on the shrinkage proof technology of typical large-scale cast iron crossbeam
This type of beam is one of the main parts of a large machine tool. The quality of the casting
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Formation mechanism of shrinkage cavity and porosity in aluminum alloy low pressure casting
Shrinkage cavity and porosity are inevitable defects in a kind of die casting wheel. In the microstructure, the shrinkage cavity
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Study on the anti shrinkage process of ingot mould for typical large iron castings
Ingot mold is a kind of necessary ingot equipment used in mold casting production in steel plant. Although its shape
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Selection of riser size and location for large gray iron castings
The use of riser is one of the basic means to solve the shrinkage of casting. Although there are new
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Improvement measures for cracks in low pressure casting of auto parts
1) The reasonable design of the riser, the heat preservation sleeve and the casting pouring system constitute the riser system,
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Influencing factors of crack formation in low pressure casting of automobile parts
In the casting of automobile parts, the wheel casting is a little different. Because it needs to meet a series
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How to choose top pouring system, bottom pouring system and step pouring system
For the convenience of research, the pouring system is classified into top pouring, bottom pouring and step pouring according to
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The influence of metallurgical and modeling factors on shrinkage porosity
At present, there are many researches on the influence of metallurgical and molding factors on shrinkage cavity and porosity of
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Formation mechanism of crack in low pressure casting of automobile parts
Due to the use of lightweight aluminum alloy materials, compared with the steel and cast iron used before, automatic production
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Key technical problems of compound squeeze casting equipment
Because the equipment is the core platform for the implementation of the technology, and the composite squeeze casting method is
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Forming method of composite squeeze casting
1. Definition of composite squeeze casting Direct squeeze casting technology pressure directly acts on the surface of liquid metal, the
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Basic theory of numerical simulation of forging process
The process of loading metal raw materials with mold and other equipment to produce plastic flow to produce products that
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Research status of squeeze casting die
The main function of the squeeze casting die in the forming process is to complete the liquid metal forming, to
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Research hotspot and direction of EPC
Hot spots 1: reduce or eliminate the casting defects of lead alloy in EPC The biggest problem of making lead
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Research status of melt conveyor in Squeeze Casting
In the early application of squeeze casting technology, the transportation of molten metal is basically manual transportation and mold filling.
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Research status of Squeeze Casting Technology
A large number of researches and applications have been carried out on the squeeze casting forming technology in foreign countries.
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Prediction of several main casting defects
1) Prediction of shrinkage porosity and porosity Shrinkage cavity and shrinkage porosity are the holes that appear when the temperature
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Application and analysis of carbon emission in sand casting production system
1. Application case carbon emission estimation The material of a casting is HT150, which is produced in batches. As shown
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Study on the forming system of compound squeeze casting for large parts
With the rapid development of economy, the domestic demand for large and complex parts is increasing in the fields of
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Carbon emission evaluation function and calculation method of sand casting production system
1. Energy consumption of sand casting production system The carbon emission of sand casting production system is related to energy
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Introduction of numerical simulation method for filling and solidification process of casting
Numerical simulation of casting filling is to analyze the heat transfer phenomenon and forming ability of high temperature liquid metal
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Rapid sand casting technology of engine cylinder head based on numerical simulation
China’s automobile industry is booming and has become the pillar industry of national economic development. However, China’s automobile industry still
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Carbon emission source and evaluation boundary of sand casting production system
1. Carbon emission source of sand casting production system A large amount of waste gas produced by sand casting production
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Research status of rapid sand casting at home and abroad
Rapid Prototyping technology relies on the point by point accumulation forming of materials, which is not restricted by the manufacturability
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Review the rationality of casting structure from the aspect of avoiding defects
The casting process of part structure usually refers to that the structure of the part itself should meet the requirements
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Features, causes and prevention of the uneven hardness and coarse graphite defects of the castings
Features: Coarse graphite: the size of graphite in the metallographic structure is very large, or there is massive graphite, and