Comparison of defect grade evaluation of steel castings in different China standards
The new and old specifications of steel castings in China, methods for ultrasonic flaw detection and quality assessment of steel […]
News
Scientific
Prediction of hot crack defects in steel castings
Hot crack defect refers to the casting defect when the solid rate of steel castings is close to 1.0 at
Scientific
Defect prediction and experimental verification of cast steel joints
The flow of liquid metal and the change of casting system will affect the defects of castings. However, due to
Resin Sand Casting
Chapter 1: The Basic Process Flow of Resin Sand Casting Resin sand casting is a popular method for creating metal parts
Scientific
Filling and solidification process of cast steel joints
The formation of cast steel joints has experienced two stages: mold filling and solidification. Macroscopically, it mainly involves three physical
Scientific
Model parameters of steel casting system
The three-dimensional steel casting model and sprue model established in AutoCAD are combined into a whole and saved as Import
Scientific
Modeling and parameter selection of steel casting system
The pouring and riser system includes two parts: steel casting system and riser system. The steel casting system is the
Scientific
Analysis of stress and strain in sand casting solidification process of mud pump body
Due to the different cooling rate of each part of the sand mold casting of the mud pump body during
News
Nondestructive testing of multiple cast steel joints
Cast steel components (cast steel joints, cast steel bearings, etc.) are cast as a whole in the factory, with large
Scientific
Quality status of sand castings after sand falling and shot blasting
The quality status of castings after sand dropping and shot blasting in the two sand mold casting process tests is
News
Analysis of solidification process and stress-strain of mud pump body in sand casting
The solidification process of sand casting mud pump body is accompanied by complex processes such as heat transfer, phase transformation,
News
Casting process of cast steel joint
The casting methods mainly include sand mold gravity casting, lost foam casting, pressure casting, centrifugal casting, etc. the cast steel
Scientific
Comparison of damage NDT results of typical four branch cast steel joints
In order to verify the nondestructive ultrasonic flaw detection test results of typical four branch cast steel joints, take four
Scientific
Material of steel castings for shell housing
The steel castings of shell housing are made of low alloy steel and low carbon steel. The content requirements of
News
Basic flow of numerical simulation of casting process based on ProCAST software
There are many software for casting simulation, such as FLOW-3D, MAGMAsoft, ProCAST, Huazhu CAE, etc. Casting simulation is carried out
Scientific
Casting forming theory of cast steel joints
The forming process of cast steel joint mainly includes the filling process and solidification process of cast steel joint. The
Scientific
Slice test of typical four branch cast steel joints
1. Test purpose (1) The random characteristics of typical casting defects distribution of cast steel joints are analyzed; (2) Verify
Scientific
Effect of C, Si, Mn, P and s in alloy on hot tears casting defects
The larger the hot brittle zone of the alloy, the greater the shrinkage of the casting in this temperature range,
Scientific
Simulation results and analysis of mud pump body pouring in sand casting
The simulation results of the filling process when the pump body of sand casting mud pump is poured by the
News
Casting defects of cast steel joints
The above research on the mechanical properties of cast steel joints and the mechanical properties of cast steel joint welds
News
Casting defects of multi branch cast steel joints
Distribution law of casting defects of multi branch cast steel joints: (1) Cracks mainly appear in the R zone of
News
Design principle of feeding system for sand casting of mud pump body
After determining the geometric characteristics, modulus and other parameters of sand castings, the feeding system can be designed. The following
News
Slice test and casting defects of typical four branch cast steel joints
Ultrasonic flaw detection can only qualitatively analyze casting defects, but can not accurately describe defects. There are many scanning blind
Scientific
Ultrasonic flaw detection process of cast steel joints
1.Detect defects The probe specified by the supplier and the buyer shall be used to scan the inspection area of
Scientific
Formation mechanism of hot tears casting defects
The formation mechanism of hot tears casting defects mainly includes liquid film theory and strength theory. According to the liquid
Scientific
Finite element mesh generation of mud pump body in sand casting
Mesh generation is the basis of numerical simulation. At present, there are two main methods of division, namely, finite difference
News
Weld properties of cast steel joints
In terms of experimental research on weld performance of cast steel joints, Zou Hui of Southeast University conducted fatigue tests
News
Basic phenolic resin sand casting and furan resin sand casting
The new sand process scheme of sand mold casting and the reclaimed sand plus new sand process scheme pour 8
News
Design of feeding system and chilling system for sand casting of mud pump body
During the solidification process of sand casting, the volume of steel castings will shrink, and shrinkage porosity, shrinkage cavity and
Scientific
Determination of casting defect size of cast steel joint
According to the constancy of sound velocity propagation in the same medium and the proportional relationship between propagation distance and