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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casting defects
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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
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Causes of shrinkage casting defects of nodular cast iron piston rings and preventive measures
Although the upper and lower wall thickness of the cylinder is relatively uniform when casting the nodular iron ring, the
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Brief introduction of casting defects of spiral bevel gear
Formation mechanism of shrinkage cavity and porosity during solidification of castings The volume shrinkage during solidification is the cause of
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Prevention method of porosity in cast iron
Cast iron castings often have various casting defects. How to prevent these defects has always been the concern of casting
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Causes and preventive measures of casting defects caused by air holes under the skin of nodular cast iron piston rings
In cylinder casting, the subcutaneous pores are mainly distributed at the position of L ~ zmrn under the outer circular
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Measures to prevent shrinkage and porosity in ductile iron casting
1.The content of carbon, silicon, manganese, rare earth and magnesium must be appropriate. High carbon content can reduce the tendency
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Defect characteristics, causes and prevention of insufficient elongation of castings
Causes: A. The composition of molten iron is unreasonable. B. Shrinkage cavity and porosity at the tensile position of the
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The spheroidizing decay defect of ductile iron casting and its prevention
The characteristics of spheroidization decline: good spheroidization before furnace, poor spheroidization on castings; or good spheroidization of castings poured first
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Improvement measures for cracks in low pressure casting of auto parts
1) The reasonable design of the riser, the heat preservation sleeve and the casting pouring system constitute the riser system,
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Influencing factors of crack formation in low pressure casting of automobile parts
In the casting of automobile parts, the wheel casting is a little different. Because it needs to meet a series
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Characteristics, causes and prevention of casting cold insulation defects
Features: The appearance of the casting is incomplete, with a crack like gap or broken flow, and the metal edge
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Defects of sand inclusion and scab in steel casting and preventive measures
Sand inclusion refers to that there is a layer of metal lump or sheet on the surface of the casting,
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Surface casting defects of die casting (part 3)
7 Discoloration and spots (1) characteristics: There are different colors and spots on the casting surface. (2) Causes: ① Improper