Baking operation guide of casting precision casting shell
Operation procedure: Check whether the baking furnace and temperature control meter are normal and whether the furnace bed is flat […]
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Casting process of new Superalloys for automobiles High temperature wear resistance
Fig. 1 is the curve of mass added value per unit area of Superalloy samples prepared at different pouring temperatures.
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Dewaxing operation guide for investment casting
Operation procedure: Equipment preparation: 1) The pressure of steam generator for dewaxing shall be 0.8-1.0mpa, and the minimum pressure shall
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Materials and methods for casting process test of new superalloy for automobile
1. Test materials The test material is superalloy K4002 Sr. When 0.4-0.6% SR is added to the alloy, the chemical
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Operation instruction for shell making of precision casting
Operation procedure: Before coating and hanging the surface layer, check whether the cleaned module has dropped parts, and check whether
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Common types of bucket teeth of excavator cast in China and abroad
Based on the use of bucket teeth in production, according to the components of bucket teeth, they can be divided
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Casting process optimization of new superalloy for automobile
The superalloy can work at 760 ~ 1500 ℃ for a long time and bear certain stress. Because the superalloy
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Improvement measures and effect of nodularization of nodular cast iron
After the casting spheroidization problem appeared, our company’s technical, quality, physical and chemical department and other departments jointly analyzed, according
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Operation instruction for tree assembly of casting investment casting
Operating procedures: a) Before assembly and welding, visual inspection shall be carried out for all wax molds again to remove
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Improvement of wear resistant casting bucket teeth of excavator
1. Improvement of structure From the actual failure of the bucket teeth, it is found that the tooth tip is
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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 spheroidization of nodular cast iron
After the occurrence of bad nodularity, our plant strengthened the detection of sulfur in the original molten iron and the
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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
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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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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
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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
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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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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
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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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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
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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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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
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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
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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
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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.