Operation guide for wax repair in investment casting
Operation procedure: Before wax repair, check the wax mould that has been cooled and has no defects in appearance. For […]
News
Scientific
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
News
Failure modes of bucket teeth in excavator casting
The bucket teeth need to bear the impact and bending moment from the material when contacting the material. During the
News
Introduction of liquid die forging for bucket teeth of excavator
Excavator is a common important construction machinery, which is widely used in many industries of national economic construction, and plays
Scientific
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
Scientific
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,
Scientific
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
Scientific
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,
News
Research on Structural Strength of Hydraulic Cast Valve Body
Liu Hanwu and others of North China University of Science and Technology studied the stress and strain of two-way cartridge
Scientific
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
News
Introduction to Casting Simulation Software ProCAST
ProCAST software uses finite element method to simulate heat transfer, filling flow process, thermal-stress coupling field, microstructure and shrinkage cavity.ProCAST
Scientific
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
News
Research on Structural Strength of Hydraulic Valve Body
Wang Min and others from Harbin Harbin Harbin Boiler Valve Co., Ltd. take DN300 and PN25 cast valve bodies as
News
Operation instruction of resin sand casting
This control procedure is applicable to the routine pouring of the company and is used as the guidance document for
News
Operation instruction of wax pressing in investment casting
Operation procedure: Check whether the oil pressure, heat preservation temperature and operation button of the wax compressor are normal, and
Scientific
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
Scientific
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,
Scientific
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.
News
Current Research Status on Structural Strength of Hydraulic Valve Body
Chen Yue of Beijing Jiaotong University studied the strength test process of fire fighting valve body by ANSYS, analyzed the
Scientific
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
Scientific
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
News
Current Research Status Analysis on Structural Strength of Hydraulic Valve Body
Liu Shuxun and others of Huazhong University of Science and Technology have carried out research on the phenomenon that the
Scientific
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
News
Research on Casting of Hydraulic Valve Body
Mi Guofa et al. of Henan University of Technology simulated flow field, temperature field and stress field of valve body
Scientific
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)
News
Casting valve body of multi way valve based on one way fluid solid coupling
Multi way valve is mainly used in various construction machinery, lifting and transportation machinery and other traveling machinery for centralized
News
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
Scientific
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
News
Research status on casting of hydraulic valve body
Yang Jinsong and Yu Lihua of Huazhong University of Science and Technology have studied the process of sand core of
Scientific
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