Improvement of cold shut defect in crankshaft casting of large engine
The generation of cold shut is directly affected by the temperature of molten iron. At a certain temperature, the design […]
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casting defects
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Solution of air gap defect in crankshaft casting of large engine
The air-conditioner of the defective product is mainly located at the highest point of the mold, i.e. 2 and 5
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Formation of defects in crankshaft casting of large engine
Air conditioner The cold air gap is the gap that penetrates or does not penetrate the casting, and the edge
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Improvement of sand hole defect in crankshaft casting of large engine
In the molding process of sand coated iron mold, sand collapse and empty shell are the important reasons for sand
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Formation mechanism and prevention and control of main defects in nodular cast iron intake cylinder casting
(1) The elements with high content of C, O, Al, Si and some other alloy elements are found in the
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Application of ductile iron gating system in prevention and control of surface slag inclusion defects
The whole process from molten iron smelting to casting completion is a complex and irreversible process. In the process of
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Morphology and composition analysis of linear defects on inlet cylinder surface
The main characteristics of the magnetic traces of linear defects detected by MT are mainly linear aggregated magnetic traces with
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Morphology and composition analysis of point defects on inlet cylinder surface
The main features of magnetic traces of point defects detected by MT. The magnetic traces are scattered and isolated small
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Slag inclusion defect on casting surface of nodular cast iron intake cylinder
The surface slag inclusion defect is the most common and the most difficult to avoid on the surface of gas
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Metallographic structure defect of heavy section position of nodular cast iron into cylinder
The floating of graphite and abnormal shape of graphite in the center is a kind of metallographic structure defect associated
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Study on lost foam casting technology and carburization defect of bridge bearing
By using ProCAST numerical simulation software to study the lost foam casting process of the representative steel and steel bearing
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Negative pressure of lost foam casting for bridge support
The main functions of lost foam casting with negative pressure casting are as follows: (1) Compact the dry sand to
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Selection of casting method for bridge bearing steel casting
According to the position of molten metal introduced into the mold, the pouring methods can be divided into top pouring,
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Selection of casting position of bridge bearing steel casting
The pouring position of a casting refers to the current state (posture) and position of the casting in the mold,
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Prospect of the influence of casting defects on the strength of hydraulic valve body
On the basis of the existing research, there are still many works to be further improved and upgraded. In particular,
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Analysis of the influence of casting defects on the strength of hydraulic valve body
The hydraulic valve is an essential component in the hydraulic system. The performance of the hydraulic valve determines the performance
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Effect of casting defects on the strength of hydraulic valve body
Taking the simplified one hydraulic valve body and the two multi way valve body for loader as the research object,
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Effect of Material on Defects in Cast Valve Body
The drawing shows the shrinkage pore distribution of a series of hydraulic valves made of steel-304 stainless steel with casting
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Effect of pouring temperature on defects of cast valve body
The figure shows the maximum porosity of a hydraulic valve body with cast material of QT500-7 as a function of
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Analysis of numerical simulation results of valve body casting defect formation
1.Simulation results and analysis of filling process The filling process of the casting is shown in the figure. It can
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Strength calculation of hydraulic valve body based on casting defects
Based on the simulation of the valve body casting process, a hydraulic valve body model with casting defects is established
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Strength calculation of hydraulic valve body based on casting defects
As one of the key components in the hydraulic transmission system, the working environment of the hydraulic valve is extremely
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Effect of casting defects on strength of hydraulic valve body
With hydraulic valve body as carrier, the filling and solidification process of valve body casting were studied by combining theoretical
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Failure Analysis of Cast Hydraulic Valve Body
Hydraulic valves are subjected to complex and variable loads during their operation. Therefore, the strength of the valve body must
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Numerical simulation of casting defect formation of improved valve body
In the process of casting simulation, the pouring system, grid division and calculation conditions are the same as the above,
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Common casting defects of cast hydraulic valve body
The main valve holes of multi-way valves, change-over valves and other valves are thin, with many oil grooves and different
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Production defect analysis of brake caliper casting
1. Defect category identification According to the shape and location of the stoma, the defect was initially identified as subcutaneous
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Scab defect of grey cast iron engine block by green sand casting
The gray iron casting of a certain type of automobile engine block has a maximum outline dimension of 371mm ×
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Prevention of casting defects of pressure bearing base of 00bob cylinder
00bob cylinder is the key pressure bearing high temperature steel casting of supercritical steam turbine. Its function is to separate
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Causes and preventive measures of slag inclusion casting defects in nodular cast iron piston rings
The composition of slag inclusions is mainly composed of magnesium silicate, oxide, sulfide and sulfur oxide, which is a very