Casting Defects and Causes of Automobile Shell Castings
A company used the wet casting method to produce a certain type of automobile shell castings, which are made of […]
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casting defects
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Analysis of casting process defects of turbocharger shell
Through the understanding of the existing casting process of turbocharger, combined with the current situation of the casting process and
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Classification of internal casting defects of piston
Casting defect Cause Improvement measures Unqualified chemical composition The composition of master alloy ingot is unqualified, and the burden of
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Classification of casting defects on piston surface
Casting defect Cause Improvement measures White skirt The temperature of molten aluminum is low, and the heat conduction differential ripening
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Determination of casting process scheme of nodular cast iron intercooler base pipe
1. Nodular cast iron molding process The two box core molding is adopted to enlarge the sand filling core of
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Study on casting technology of nodular cast iron intercooler base pipe
Nodular cast iron intercooler base pipe is an innovative design for the company’s large internal combustion engine. The material is
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Cause analysis and solutions of crack defects in cylinder block castings
1. Location and shape of crack defects in cylinder block castings During the trial production process, cracks were found between
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Analysis and solution of crack defect of cylinder block casting
ZHY casting assisted in the development of a new 16 l natural gas engine. The cylinder block is one of
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Analysis and Study on the influence of cylinder casting defects on piston air leakage
At present, the requirements for energy conservation and emission reduction of passenger vehicles at home and abroad are becoming higher
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Fracture analysis of gray cast iron counterweight
The counterweight can adjust the service quality of the tractor and the mass distribution of the front and rear wheels,
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Causes and Countermeasures for Cracking and Casting Defects of Large Supporting Wheels
1. Causes Cracking of the supporting wheel The crack shape of the casting defect is fine and straight. The crack
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Causes and countermeasures of super detection casting defects on nozzle surface of large supporting roller
1. Causes In the semi finishing stage after quenching and tempering, it was found that the nozzle end face had
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Causes and Countermeasures of Overshooting Defects on Riser Surface of Large Supporting Roller Casting
1. Causes Through the collection and analysis of more than 100 casting idlers, a total of 12 casting idlers have
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Casting defects of large idler
1. Casting process plan The supporting roller is generally made of ZG42Cr1Mo, ZG35Cr1Mo or similar materials. The hardness of the
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Process Design of Sand Casting End Cap
According to the structural characteristics of the product and referring to the results of similar products after production, two process
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Study on technology of nodular cast iron for automobile hub support based on magma
Starting from the practical application of sand casting production process, the process design and material properties of nodular cast iron
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Simulation results of mold filling process of ductile iron long fork lost foam casting
Figure 1 a) ~ g) shows the change process of mold filling temperature field of bottom injection trial production scheme.
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Numerical simulation and result analysis of nodular cast iron process of hub support
The casting process of hub support is simulated and calculated by using magma simulation software, the shortcomings of the original
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Simulation of shrinkage cavity and porosity casting defects of ductile iron parts based on ProCAST
By individually adjusting the corresponding parameters of the example, we can intuitively understand the influence of these conditions on the
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Solution to gravity casting defects of aluminum alloy cylinder head
1. Solutions to “gap” casting defects After many tests, we finally understand that we must systematically match the three process
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Causes of gravity casting defects of aluminum alloy cylinder head
The causes of casting defects are all from the poor casting process design and structural design of the mold; The
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Influence of casting defect location
Taking the circular casting defect with radius r as an example, the influence of the distance between the hole center
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Effect of casting defects on fatigue crack initiation
Under the action of alternating load, even if the stress amplitude is far less than the yield strength of the
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Influence of casting defect shape
The shape of casting defects includes a variety of irregular shapes, but the effect on stress concentration can be attributed
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Solution to shrinkage and casting defects of cylinder head of the diesel engine
1.First process improvement and verification tracking (1) Change to bottom pouring system. The layout of the ingate of the casting
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Prediction of crack propagation life by casting defects
According to fracture mechanics, once the position of a certain point in the area near the top of the casting
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Crack casting defects and prevention methods
1. Cold cracking casting defect Cold cracking casting defect refers to the crack caused by the casting stress greater than
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Cause analysis of shrinkage porosity and casting defects of a diesel engine cylinder head
After sampling the casting defect location, the scanning electron microscope was used for analysis. After ultrasonic cleaning, the casting defect
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Analysis and solution of shrinkage casting defect of cylinder head of a diesel engine
The cylinder head of a certain type of diesel engine produced by ZHY Casting factory has complex structure, compact layout,
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Effect of casting defects on fatigue crack propagation
For commonly used aluminum alloy materials, the crack propagation life and crack nucleation (initiation) life account for about 30% ~