Effect of chemical composition of heat resistant cast steel liner on its properties
The chemical composition of ZG35Cr24Ni7SiN material of heat-resistant steel casting is as follows: Brand C Mn Si Cr Ni Mo […]
The chemical composition of ZG35Cr24Ni7SiN material of heat-resistant steel casting is as follows: Brand C Mn Si Cr Ni Mo […]
The split flange of steam turbine cylinder block steel casting is the upper and lower half of the cylinder block.
1. Manifestations of cold crack defects Under the joint action of welding stress and other embrittlement factors, the bonding force
The heat-resistant cast steel lining plate (ZG35Cr24Ni7SiN) is easy to crack, melt or even fracture during use, and has a
Heat resistant cast steel, model ZG35Cr24Ni7SiN, has good oxidation resistance, high strength, good toughness, good wear resistance, heat resistance, corrosion
1. Manifestations of undercut defects Undercut is the result of electric arc scouring or melting the base metal near the
1. Expression form of pore defect During the welding process, the gas in the molten pool does not escape in
In order to verify the casting quality effect after process optimization, the trial production of 5 wheel hub steel castings
Low alloy high strength steel is widely used in mechanical engineering, electric power, pressure vessel, automobile industry, mining machinery, oil
With the continuous development of wind power generation, the manufacturing requirements of wind power equipment are also increasing. Especially in
The root cause of exposed defects after tooth milling is that the internal defects after rough machining are not treated
1. Casting process Fig. 1 is the casting process diagram of the main frame and hub of 6 MW wind
Through the calculation of niyama function value, the cniyama value at point 4 far away from the casting riser and
1. Manifestation of slag inclusion defect Slag inclusion defects are formed by the slag remaining in the weld during welding.
Steel casting products are the most basic and important components of all kinds of equipment in modern equipment manufacturing industry.
In order to ensure the quality of wheel hub steel castings, the process scheme is optimized, and 14 65 mm
The pouring test was carried out on the improved process of steel castings (using two heating risers for liquid metal
ProCAST software is used to simulate and calculate the scheme before process optimization of wheel hub steel casting. The judgment
1. Meshing of process modeling Using 3D modeling software creo2 0 carry out three-dimensional solid casting process modeling for castings.
Wheel hub steel casting is one of the important structural parts of the traction system of a crawler vehicle. The
In recent years, in order to improve the level of digital manufacturing technology in the traditional casting industry, a lot
It is very difficult to deal with the tooth surface defects after finishing. When the precision of large cast steel
Figure (a) shows the beam casting of the crusher (the right side of the casting is the cutting part). The
Shrinkage cavity and porosity are two common casting defects in large steel castings. They are mainly distributed in the last
In the production of steel castings, the most common casting defects are shrinkage cavity and porosity. The main purpose of
The common Pouring Scheme of pouring riser refers to the selection of three cylindrical thermal insulation open risers, which are
Generally speaking, due to the influence of gravity, there are more sand casting defects on the upper surface of steel
The gear blank is made of 20CrMoH, which belongs to low alloy structural steel. The liquidus temperature reaches 1511 ℃,
Due to the high pouring temperature of steel castings, in order to improve the heat resistance of coated sand, special
In the casting production of steel castings, the most common defect is shrinkage cavity and porosity casting defect, and the