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 […]
The steel castings of coupler body are the key parts of vehicle connection, which have a significant impact on driving […]
Figure 1 shows the temperature distribution results of the hook body 5 s after it starts to solidify. The solidification
Figures 1 to 4 show the simulation analysis results of the mold filling process of hook steel castings. Figure 1
The coupler body and casting process are modeled by proe and exported by Parasolid interface file format XT mesh file,
According to the previous casting simulation results, it is found that the process riser of the steel casting plant is
The sand inclusion casting defects of steel castings are relatively serious, because the proportion of product scrapping caused by sand
The coupler body of type 17 coupler is a complex medium and small steel casting with the overall size of
It mainly simulates and optimizes the process of two parts: 17 coupler body and 16 coupler tongue, which are important
In view of the problems and deficiencies existing in the existing furan resin sand process, motor shell sand mold casting
There are relatively few enterprises and scientific research institutions engaged in the production and research of wet clay sand railway
The green molding clay sand used in railway steel castings is mainly made of raw sand, bentonite, starch additives and
The orthogonal experiment will be designed, the riser height is set as the independent variable, and other process parameters remain
“Energy conservation” and “environmental protection” are important issues facing China in development, and realizing sustainable development is our basic national
Railway development is closely related to people’s life and national development. With the sixth speed increase of railway, railway freight
The shrinkage rate prediction module is used to predict the distribution of shrinkage defects. When the simulation results show that
According to the relative position of the internal sprue on the steel casting, the casting system can generally be divided
The new and old specifications of steel castings in China, methods for ultrasonic flaw detection and quality assessment of steel
Hot crack defect refers to the casting defect when the solid rate of steel castings is close to 1.0 at
The three-dimensional steel casting model and sprue model established in AutoCAD are combined into a whole and saved as Import
The pouring and riser system includes two parts: steel casting system and riser system. The steel casting system is the
The steel castings of shell housing are made of low alloy steel and low carbon steel. The content requirements of
The causes of cracks and sand inclusion defects in motor shell steel castings are studied from the perspective of process
① Sand casting process scheme The sand casting process scheme adopts the top pouring system. All the workpieces are in
Ultrasonic flaw detection mainly detects the near surface and internal quality of steel castings, and the internal quality of steel
Due to the differences in product structure, weight, process equipment of production enterprises, production conditions and process technology level, there
The crack and sand inclusion of motor shell steel castings are the inertia quality problems in casting production, and they
The formation reason and process of tensile crack casting defect are different from that of shrinkage crack casting defect. 1)
From April to December 2020, ZHY casting fully applied the optimized new sand mold casting process to production, and produced
From January to March 2020, ZHY Casting used the above process to produce 200 motor housings in small quantities. Basically,
The manufacturing of motor shell steel castings is relatively complex, mainly including sand casting, smelting and pouring, heat treatment, flaw