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
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Defect characteristics, causes and prevention of lower core of casting
Features: Poor lower core (core deviation, core dropping, sand squeezing and core breaking) Causes: A. Mask is not adjusted well,
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Analysis on the defects of loose and under cast thin wall castings
When the wall thickness of high-temperature alloy castings such as adjusting piece and sealing piece is changed from 1.1mm to
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Characteristics, causes and prevention of casting white edge defects
Features: The white cast is hard and brittle, and it is difficult to break and turn white Causes: A. Casting
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Features, causes and prevention of insufficient casting defect
1, Characteristics There are defects in some parts of the casting, which often appear in the thin-walled part, the farthest
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The defect phenomenon and cause of the fast broken graphite in ductile iron casting
Fast graphite fragmentation The broken fast graphite is a kind of deformed graphite which often appears in the large end