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
Scientific
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.
Scientific
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
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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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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