Quality evaluation standard of cast steel joints
Discussion on quality evaluation standard of cast steel joints: (1) For the flaw detection of castings, special attention can be […]
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Microstructure and properties of cast iron alloy by vibration lost foam casting
Aiming at the problems of coarse structure and low mechanical properties of cast iron alloy lost foam casting, vibration lost
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Characteristics of casting defects of cast steel joints
(1) Through the non-destructive testing of 24 cast steel joints, it is found that the distribution of casting defects seems
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Optimization of sand mold casting process for mud pump body
By analyzing the simulation results, the rationality of sand mold casting process scheme is judged, and the optimized process scheme
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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
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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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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
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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 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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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
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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
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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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Casting defects of cast steel joints
With the development of spatial structure, the span of structure is becoming larger and larger, and the forms are also
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Sand casting technology of motor shell steel castings
Due to the differences in product structure, weight, process equipment of production enterprises, production conditions and process technology level, there
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Ester hardened sodium silicate sand casting motor shell casting
Ester hardened sodium silicate self hardening sand process is a new generation of self hardening sand process developed on the
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Defect analysis and optimization of steel castings for shell casting
The crack and sand inclusion of motor shell steel castings are the inertia quality problems in casting production, and they
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Formation of casting defects with tensile cracks in steel castings
The formation reason and process of tensile crack casting defect are different from that of shrinkage crack casting defect. 1)
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Production quality of steel castings for shell casting
From April to December 2020, ZHY casting fully applied the optimized new sand mold casting process to production, and produced
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Optimization of pouring process in sand casting
The pouring process of sand casting is a very important link in the whole casting process. Usually, many foundries regard
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Modeling design of mud pump body in sand casting
It is necessary to establish an effective three-dimensional model when using ProCAST to analyze the filling process of sand casting
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Optimization of molding sand process in sand casting
Crack casting defect is the biggest obstacle restricting the popularization and application of furan resin sand process in steel castings.
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Technical requirements for sand casting of motor housing steel castings
The manufacturing of motor shell steel castings is relatively complex, mainly including sand casting, smelting and pouring, heat treatment, flaw
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Casting defects of motor shell steel castings
The hot crack casting defects are analyzed from the macro and micro morphology. The hot crack can be divided into