Study on improving properties of gray cast iron
At present, in order to make gray cast iron achieve high strength, excellent casting performance and processability, casting engineers at […]
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Influence of different China standards on defect grade of steel castings
In terms of detection methods, GB7233-09 focuses on the near-field area of ultrasonic flaw detection, and adds a near-field resolution
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Analysis on solidification process of original casting process of coupler tongue
Figures 1 to 3 show the simulation analysis results of the casting solidification process of the hook tongue. Figure 1
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Simulation of mold filling process of original casting process of coupler tongue
Figure 1 to figure 4 show the simulation analysis results of the hook tongue filling process. Figure 1 shows the
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Trial production of casting technology for coupler body
Firstly, cast the steel castings of the coupler according to the original casting process design. The main problems exposed are:
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Optimization of casting process for coupler groove body
According to the technical requirements of hook body steel castings, in order to simplify the casting process and ensure the
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Simulated pretreatment of casting process of coupler tongue
1. Model transformation and mesh generation The coupler knuckle and its casting process are modeled by UG, and then the
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Hot cracks defects caused by the structure of steel castings
The cracks of the motor shell are typical thermal cracks. There are more than 40 cracks and more than 80
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Characteristics and original process of steel castings for coupler tongue
Type 16 coupler knuckle is a complex small steel casting. The overall size of the steel casting of coupler knuckle
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Process design and optimization of sand casting and investment casting
In the process of sand casting, the performance of sand mold is one of the key factors affecting the final
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Effect of alloying elements Cu and Cr on mechanical properties of gray cast iron
By adding different content of copper and different ratio of copper and chromium, the mechanical properties and cutting properties of
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Analysis on casting process of coupler groove body
The steel castings of coupler body are the key parts of vehicle connection, which have a significant impact on driving
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Analysis of the original solidification process of steel castings
Figure 1 shows the temperature distribution results of the hook body 5 s after it starts to solidify. The solidification
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Analysis of the original mold filling process of steel castings for couplers
Figures 1 to 4 show the simulation analysis results of the mold filling process of hook steel castings. Figure 1
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Simulation pretreatment of casting process for steel castings of railway couplers
The coupler body and casting process are modeled by proe and exported by Parasolid interface file format XT mesh file,
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Sand casting crack defect
The total number of cracks in the motor shell produced by furan resin sand casting process is about 70, while
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Evaluation method of machinability of gray cast iron
The machinability of materials refers to the difficulty of cutting the excess part of materials to obtain qualified parts. Therefore,
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Effect of internal cooling iron on the distribution of casting defects in steel castings
According to the previous casting simulation results, it is found that the process riser of the steel casting plant is
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Sand inclusion defect of steel castings
The sand inclusion casting defects of steel castings are relatively serious, because the proportion of product scrapping caused by sand
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Characteristics and original technology of steel castings for railway couplers
The coupler body of type 17 coupler is a complex medium and small steel casting with the overall size of
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Process simulation background of steel castings for railway couplers
It mainly simulates and optimizes the process of two parts: 17 coupler body and 16 coupler tongue, which are important
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Production of steel castings for motor shell by sand casting
In view of the problems and deficiencies existing in the existing furan resin sand process, motor shell sand mold casting
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Experimental method and process of gray cast iron for engine cylinder block
The mechanical properties and machinability of gray cast iron samples for engine cylinder block were tested, and the microstructure of
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Optimization design of gating system in sand casting
① Analysis on the original pouring system of motor shell See Fig. 1 for the original pouring system of motor
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Wet molding clay sand technology of railway steel castings in China
There are relatively few enterprises and scientific research institutions engaged in the production and research of wet clay sand railway
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Simulation of sand casting process
Sand casting process simulation technology introduction in the process of national economic development, sand casting industry, as an important part
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Main performance indexes of sand casting wet mold clay sand
Before the proportion of molding sand is proposed, the basic range of molding sand properties should be determined according to
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Selection principle of main raw materials of wet molding clay sand and relative steel castings
The green molding clay sand used in railway steel castings is mainly made of raw sand, bentonite, starch additives and
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Gray cast iron for engine block
Cast iron is the most widely used basic material in metal materials and plays an important role in casting alloys.
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Effect of different riser height on casting defect distribution of steel castings
The orthogonal experiment will be designed, the riser height is set as the independent variable, and other process parameters remain