Analysis of the numerical simulation results of the casting process of the double hydraulic valve body
1.Simulation results and analysis of filling process The filling process of multi way valve casting is as shown in the […]
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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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Present situation of poor spheroidization of nodular cast iron
In the production process of nodular iron castings, in order to ensure the product quality, the tensile strength, yield strength,
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Numerical simulation of casting process of two hydraulic valve body
1.Casting system model of double hydraulic valve body The design method of the valve body gating system is similar to
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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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Mathematical Model of Casting Solidification Process
1.Partial differential equation for heat conduction: The solidification process of castings is a complicated phase transition process.Solidification is a dynamic
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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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One-way fluid-solid coupling calculation of ideal multi-way valve body
Data transfer in the process of fluid-solid coupling (FSI) calculation is to transfer the simulation results of flow field (pressure,
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Flow Field Simulation Analysis of Ideal Cast Multiplex Valve
1. Simulation Model Fig. 1(a) shows the connection of each spool in the right position of the bucket union valve.
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Working Principle of Cast Multiplex Valve for Loader
The figure shows the integral multi-way valve used in the loader. Besides the main valve body, it also includes two
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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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Calculation of casting time t of cast hydraulic valve body
The casting quality will be seriously affected by the length of pouring time. The shorter the pouring time, the faster
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Gauge for average hydrostatic head Hp of cast hydraulic valve body
In order to facilitate engineering calculation, there are usually two assumptions when calculating the average hydrostatic head height Hp: (1)
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Strength calculation and analysis of improved hydraulic valve body with shrinkage cavity
1. Casting valve body model with shrinkage cavity and calculation parameters There are two shrinkage cavities in the valve body
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Design of casting system for casting hydraulic valve body
The design of the pouring system is introduced by taking a combined hydraulic valve body as an example. The closed
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The calculation and analysis of the strength of the valve body of ideal hydraulic casting before improvement
1. Grid division In the AWB platform, the patch independent method is used to divide the tetrahedral mesh. At the
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Overview of casting system for casting hydraulic valve body
The so-called pouring system refers to the general name of the channel that guides the molten metal into the mold
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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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Strength calculation and analysis of ideal hydraulic valve body before improvement
As one of the key components in the hydraulic transmission system, the working environment of the hydraulic valve is extremely
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Numerical simulation of casting process of hydraulic valve body
Based on one hydraulic valve body and two hydraulic multi way valve body, the design method of casting and pouring
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Load on cast hydraulic valve casting body
Hydraulic casting valve is the main component of hydraulic system, which controls the pressure, flow and direction of oil in
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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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Mathematical model of casting filling process
The filling process of liquid metal is a non-isothermal flow process with heat loss and solidification.The metal fluid flow should
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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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Using the blank of gate valve body to process block valve
1.Selection of gate valve body blank This method is suitable for the high pressure self tight seal gate valve body
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Casting Process Optimization of Bed Castings
Based on the analysis of simulation results, the casting process needs to be optimized to eliminate the casting solidification defects.
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Geometric model of cast hydraulic valve body
As a high load precision mechanical part, the hydraulic valve body has the requirements of high pressure resistance, fatigue resistance
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Solid fraction analysis during liquid metal solidification of casting bed parts
Because hot joints will occur in large and thick parts during the cooling process of castings, and casting defects such