Setting of linear shrinkage of sand castings
After any liquid metal is injected into the mold, it goes through three interrelated shrinkage stages from pouring temperature to […]
Scientific
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Comparison of different standards on the grade of casting defects
The acceptance specifications of steel castings have realized that the outer surface of steel castings is more important, because the
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Production and product quality inspection of railway steel castings
The ultimate purpose of railway steel casting production is to obtain high-quality parts that meet the requirements of product quality
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Turning force in turning process of gray cast iron material for engine cylinder block
In recent years, many studies have been carried out on the evaluation of cutting performance of materials by cutting force
Scientific
Minimum wall thickness of steel castings
Thin wall structure accounts for more than 65%, the wall thickness of thin wall is 14-15mm, and the wall thickness
Scientific
Ultrasonic flaw detection of cast steel joints
After visual and magnetic particle flaw detection of cast steel joints, ultrasonic flaw detection shall be further carried out. Ultrasonic
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Development status of casting technology
The basis of casting process design is the casting forming theory. The casting forming theory studies the mechanical, physical and
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Reduce casting defects
Casting is a process for producing products with liquid metal. The basic technology in mechanical industry includes manufacturing, welding, forging
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Foundry design of bracket products
The foundry design of bracket products takes a bracket product of construction machinery as an example, and carries out the
Scientific
Pretreatment of sand casting process simulation
1. Model transformation and mesh generation The coupler body and sand casting process are modeled by proe and exported by
Scientific
Cost of molding materials for sand casting of steel castings
① Furan resin sand process The average amount of resin added is 0.9%, the amount of curing agent added accounts
Scientific
Causes of shrinkage defects in castings
The basic cause of concentrated shrinkage defects in castings is that the liquid shrinkage and solidification shrinkage of the alloy
Scientific
Comparative study on mechanical properties of gray cast iron with different alloying treatments
The multi-element alloy additive is designed according to the research results at home and abroad on the influence of Alloying
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Eliminating shrinkage cavity and porosity defects of steel castings
The traditional steel casting process design is analyzed through examples, and the shortcomings of the traditional process design are analyzed
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Development of steel casting simulation in China
Many foundry enterprises also use casting simulation analysis software to improve the process. Xiazezi and others from China shipbuilding industry
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Casting process simulation system
The traditional casting process mostly depends on a large number of empirical test data. Casting numerical simulation is an important
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Experimental material and preparation of gray cast iron for engine block
The composition and melting process of gray cast iron used in this experiment are jointly optimized and designed by our
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Common defects and prevention of wet molding clay sand steel castings
Compared with resin sand and sodium silicate sand cast steel process, wet mold clay sand cast steel process has the
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Batch production process scheme of railway steel castings
The position of the riser at the hook body part of the hook body is improper, and the feeding effect
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Production of shell steel castings by sand casting
Mainly analyzes and summarizes ZHY Casting optimized sand casting process from the aspects of product quality, scrap rate, product quantity,
Scientific
Characteristics and original process of sand casting steel castings
The coupler body of type 17 coupler is a complex medium and small steel casting with the overall size of
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Production defect prevention of railway steel castings
Firstly, the basic process flow of trial production of coupler products, the main process equipment and process methods used by
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Production quality of steel castings for shell casting
Sand casting product is a kind of defective product. At present, no company at home and abroad can make sand
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Production quantity of steel castings for shell casting
When the original sand casting process produces the shell casting, the molding, core making, lower core box closing, pouring, sand
Scientific
Effect of alloying elements Cu and Cr on cutting properties of gray cast iron
In the process of gray cast iron cutting experiment, the measurement cycle is 20 s, the cutting length of the
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Wet molding clay sand for railway steel castings
The production of wet molding clay sand steel castings abroad has a long history of application and development. According to
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Analysis of factors affecting the machinability of gray cast iron
There are many factors affecting the cutting performance of gray cast iron in actual production, which are generally analyzed from
Scientific
Quality inspection results of railway steel castings
During the trial production of coupler steel castings, the process scheme is continuously optimized and the casting quality is continuously
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Batch production technology of railway steel castings
At the initial stage of trial production of hook body and tongue steel castings, the original process scheme is still
Scientific
Optimization of sand casting coupler tongue
The coupler knuckle is connected with the coupler body through the coupler knuckle pin. During the operation of the vehicle