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 […]
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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
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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,
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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
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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
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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
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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
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Process simulation background of railway steel castings
It mainly simulates and optimizes the process of two parts: 17 coupler body and 16 coupler tongue, which are important
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Visual inspection for cast steel joints
Visual inspection is not only the first step in the delivery inspection of cast steel joints, but also an essential
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Effect of alloying elements Cu and Cr on Microstructure of gray cast iron
Due to the existence of graphite in common gray cast iron, and the tensile strength of graphite is almost zero,
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Sand casting technology of railway steel castings
Firstly, the original sand casting process of 17 type coupler body and 16 type coupler tongue is simulated and analyzed,
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Trial production of sand casting process for coupler tongue
After the production line of type 16 knuckle product is arranged and runs well, the trial production of the product
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Optimization simulation of casting process of coupler body
The improved process scheme is adopted for the hook body steel casting to simulate the mold filling and solidification process.
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Analysis of simulation results of optimization of sand casting process for coupler tongue
The hook tongue adopts the improved sand casting process scheme to simulate the mold filling and solidification process. The pouring
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Optimization design of sand core and sand mold in sand casting
There are 14 sand cores in the motor shell in total, and the assembly of sand cores is shown in
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Analysis on sand casting process of coupler tongue
During the running of the freight train, the coupler tongue will be frequently pulled and compressed. During the pulling, the
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Technology of wet molding clay sand for railway steel castings
The wet molding clay sand process of railway steel castings is a more traditional and difficult to control energy-saving and