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 […]
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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
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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,
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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
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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
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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
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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
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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
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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,
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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
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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
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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
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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
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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
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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
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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
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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
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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
Scientific
Morphology analysis of hot tears casting defects
The appearance characteristics of hot tears casting defects are that the tears propagates along the grain boundary, the appearance is
Scientific
NDT test samples of multiple cast steel joints
The samples for nondestructive testing are 24 cast steel joints randomly selected from the cast steel joints of civil engineering
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Determination of process scheme of pouring system for mud pump body in sand casting
It can be seen from the simulation results that the pouring system of the mud pump body of sand casting
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Cracks and sand inclusion defects in steel castings
The causes of cracks and sand inclusion defects in motor shell steel castings are studied from the perspective of process
Scientific
Types and causes of casting defects of cast steel joints
Cast steel joints will inevitably produce some defects in the production process, such as hot crack, shrinkage cavity, delamination, slag
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Calculation of sand casting gating system for mud pump body
Scheme I The casting mud pump body adopts single bag and single hole pouring, and the diameter of the injection
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Mechanical properties of cast steel joints
The research on the mechanical properties of cast steel itself includes the research on the mechanical properties of cast steel
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Sand casting of motor shell steel castings
① Sand casting process scheme The sand casting process scheme adopts the top pouring system. All the workpieces are in