Material and thermal properties of steel casting for bridge bearing
In addition to bearing the load from the bridge, the bridge bearing is still in the changing environment, such as […]
In addition to bearing the load from the bridge, the bridge bearing is still in the changing environment, such as […]
Taking the steel damping bearing as the research object, because of the complex structure of the product, the calculation of
According to the function, the riser of lost foam casting process can be divided into feeding riser, exhaust slag collecting
By adopting ProCAST The simulation analysis of the horizontal pouring and vertical pouring scheme of the steel damping bearing is
At present, the design of each element size in EPC casting has not yet formed the standard of casting one.
According to the position of molten metal introduced into the mold, the pouring methods can be divided into top pouring,
The pouring position of a casting refers to the current state (posture) and position of the casting in the mold,
In the casting process design and process optimization of transfer casting, the “trial and error method” is usually used to
Due to the great difference between lost foam casting and traditional sand casting, the process design of lost foam casting
Creo software is used to draw 3D engineering drawings and assemble components. Creo software is a CAD software design package
Relying on ZHY casting, the company is a medium-sized private enterprise producing bridge bearing steel castings. The transfer casting process
Grain refinement is an important measure to improve the metallurgical quality of cast steel, and it has been a research
From the point of view of lattice mismatch, both CeO2 and CeS can be used as heterostructure nuclei of delta-ferrite
In the early stage, in the aspect of grain refinement of steels by adding rare earth elements, the research mainly
As the isolation device of the overall hydraulic test of the boiler unit in the power plant, the hydraulic test
Rare earth elements used in foundry industry are mainly light rare earth elements such as cerium and lanthanum, which have
Nb has strong affinity with oxygen, nitrogen and carbon in steel, and its function is similar to that of Ti.
More than 50 years ago, J.F. Wallace and his research team studied the role of various materials as grain refiners
Foundry industry in various industrial countries has paid more attention to grain refinement of cast steel for more than 60
In recent years, for the consideration of sustainable development, in the application of steel castings, on the one hand, it
In the early 1920s, both a.m. Meehan and Crosby of the United States began to discuss the inoculation treatment technology
The formation of grain core is called nucleation. There are two different ways of nucleation in liquid metal crystallization (1)
For all kinds of cast alloys, grain refinement is an important measure to improve the metallurgical quality. If the grain
With the rapid development of automotive industry in recent years, in order to protect the environment, automotive manufacturers are striving
Casting steel of supercritical unit steam turbine block is one of the important parts of thermal power unit. High-pressure inner
In order to ensure the performance of turbocharger shell at 1050 ℃, a high nickel (20wt%) austenitic steel ASTM HK40
In casting production, gating system is one of the important factors that affect the quality of castings. According to the
The riser design of cast steel joint mainly depends on the solidification characteristics of cast steel. There is a large
The difficulty of making the foam model is that the size of the cast steel joints is large, the width
At present, the traditional casting technology of riser plus allowance is generally used in the production of large cast steel