Slag inclusion casting defects in lost foam casting of steel castings
Slag inclusion casting defect refers to the casting defect formed by dry sand, coating and other inclusions as molten iron […]
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casting defects
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Repair of casting defects of medium and large steel castings
Different from forged steel parts, steel castings for hull structure have low carbon content and good welding performance. Defective parts
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Characteristics of porosity and shrinkage defects in medium and large steel castings
Fig. 1 the visual characteristics of air hole defects on the upper surface of steel casting hub are round, the
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Improvement of casting defects of bolster and side frame steel castings
1. Improvement measures 1.1 Inspection and control of molding sand performance While maintaining the original test items and requirements of
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Sand inclusion and sticking defects of steel castings of bolster and side frame
Bolster and side frame are important running parts on the bogie of rail freight car. They bear the gravity of
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Study on Carburizing defects of lost foam casting steel castings
The lost foam casting method is flexible and convenient in modeling and pouring, especially for products with complex structure. lost
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Casting defect inspection of medium and large steel castings
According to the thinking method of formulating the inspection standard of JCSS hull steel castings in Japan, medium and large
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Porosity casting defects in lost foam casting of steel castings
According to the causes, the pores produced by lost foam casting steel castings are divided into the following four categories.
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Defects in lost foam casting reverse spray casting of steel castings
During the pouring process, due to the excessive amount of gas released by the thermal decomposition of the gas mold
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Negative pressure cutting casting defects of steel castings in lost foam casting
Main reasons: when the sand box is under vacuum, the external air is sucked into the mold due to the
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Carburizing casting defects of steel castings in Lost Foam Casting
Carburizing is one of the common casting defects in the lost foam casting process of steel castings. The carburizing casting
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Effects of casting defects and structural dimensions of heat resistant cast steel liner on its properties
1. internal stress is generated during lining plate casting, resulting in cracks in lining plate; 2. the fracture of the
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Defect optimization of sand casting coupling parts
The specific optimization measures are as follows: set annular external cold iron in sand core 2. The purpose of this
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Analysis of cold crack defects in large steel castings
1. Manifestations of cold crack defects Under the joint action of welding stress and other embrittlement factors, the bonding force
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Defect optimization and result analysis of sand casting coupling parts
Considering the easy realization degree and economic factors of each measure, and using measures 2, 3 and 6, the numerical
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Traditional casting defect analysis
Firstly, we take the shrinkage porosity defect in steel castings as an example to explore how the traditional foundry solves
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Analysis of undercut defects of large steel castings
1. Manifestations of undercut defects Undercut is the result of electric arc scouring or melting the base metal near the
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Fatigue test of casting defects in cast steel joints
1. Fatigue load loading In order to effectively test the influence of multiple casting defects on the fatigue performance of
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Fatigue analysis of casting defects in cast steel joints
Through the finite element calculation of fatigue strength and safety factor, the changes of fatigue performance caused by different casting
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Casting defects of cast steel joints
With the continuous improvement of China’s economic strength and construction level, various steel structure buildings with beautiful appearance, high reliability
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Cause analysis and optimization measures of defects in sand casting coupling parts
1. Cause analysis After preliminary analysis, it is concluded that the main problem in the simulation results of tooling gating
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The causes of billet continuous casting defects are analyzed
The defects of billet continuous casting mainly include surface defect reconnection, inclusion and scar, scratch and vibration mark. The internal
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Verification and effect of measures for casting defects of wheel hub steel castings
In order to verify the casting quality effect after process optimization, the trial production of 5 wheel hub steel castings
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Self made enterprise standard of cast steel large gear to reduce defects
The root cause of exposed defects after tooth milling is that the internal defects after rough machining are not treated
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Analysis of slag inclusion defects in large steel castings
1. Manifestation of slag inclusion defect Slag inclusion defects are formed by the slag remaining in the weld during welding.
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Optimization of casting defects of wheel hub steel castings
In order to ensure the quality of wheel hub steel castings, the process scheme is optimized, and 14 65 mm
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Analysis of simulation calculation results of casting defects of wheel hub steel castings
ProCAST software is used to simulate and calculate the scheme before process optimization of wheel hub steel casting. The judgment
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Simulation analysis process of casting defects of wheel hub steel castings
1. Meshing of process modeling Using 3D modeling software creo2 0 carry out three-dimensional solid casting process modeling for castings.
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Cause analysis of casting defects in wheel hub steel castings
Wheel hub steel casting is one of the important structural parts of the traction system of a crawler vehicle. The
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Prediction of steel casting defects by ProCAST simulation technology
In recent years, in order to improve the level of digital manufacturing technology in the traditional casting industry, a lot