Control of water glass to reduce sand hole and air hole defects of large steel castings
1. Quality control of sodium silicate. “Modulus, concentration” and “guest salt” (NaCI, Na2SO4, Na2CO3, etc.) are important parameters of sodium […]
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Comprehensive measures are taken to solve the problem of sand sticking and sintering of water jacket between sand casting cylinder blocks
1.Sand sticking of cylinder block water jacket H003 cylinder block is an upgraded version of 52E cylinder block, in which
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Optimization of casting process for excavator rear axle
1. Optimization of gating system In view of the turbulent flow caused by the unstable flow of liquid metal in
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Simulation analysis of original casting process of excavator rear axle
The numerical simulation is carried out by AnyCasting software. The material is set as zg20simn, the pouring temperature is 1580
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Defects of bucket teeth castings caused by mechanical sand sticking
The liquid metal penetrates into the gap of molding sand, and after condensation, a layer of mechanical mixture of liquid
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Selection of casting process parameters for diesel engine crankshaft shell
In the design of shell mold, the feeding of molten iron of nodular iron and the solution of casting defects
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Properties of molding sand in sand casting
The material used to make sand mold is called molding material, the material used to make sand mold is customarily
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Failure analysis of bucket teeth of excavator
During the operation of the electric shovel, the bucket is the main working part. In the mining process, the bucket,
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Classification and characteristics of gating system for tractor box castings
The pouring system of tractor box castings can be divided into closed type, open type, semi closed type and closed
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Determination of parting surface of tractor box casting
Parting surface refers to the joint surface between two mold components in the casting process of tractor box. Parting surface
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Wet sand casting introduction
The basic raw materials of sand mold manufacturing are casting sand and molding sand binder. The most commonly used casting
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Valve casting molten steel melting and pouring
See Table 1 and table 2 for the technical requirements and measured chemical composition of castings. Name C Si Mn
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Effect of pouring speed on the quality of sand castings
The pouring speed is also an important factor affecting the quality of sand castings. If the pouring speed is too
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Main casting defects of cast iron
Various cast iron codes are composed of the first capital letter of the Chinese pinyin letter representing the characteristics of
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Characteristics of incomplete forming defects of bucket teeth in Squeeze Casting
There are two main forms of incomplete forming of bucket teeth in Squeeze Casting: incomplete bucket teeth and incomplete forming
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Development history of nodular cast iron
Nodular cast iron is a high-strength cast iron material developed in the 1950s. Its comprehensive properties are close to steel.
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Comparative analysis on the influence of different gating systems on the tractor box sand casting
Through the simulation analysis of mold filling and solidification process of different pouring schemes, the similarities and differences of mold
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Main factors for reducing sand hole and air hole defects of large steel castings and quality improvement scheme
1.How to control the pouring temperature? Since lowering the pouring temperature has so many advantages, how can we ensure smooth
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Effect of coating spraying process on sintering quality of cylinder sand castings
The application of sand casting coating can close the pores between sand particles on the surface of mold and core,
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Casting defects of precipitation porosity in bucket teeth castings
The molten steel contains gas in the melting process, which requires pre deoxidation and final deoxidation. If the deoxidation is
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Prevention of sand sticking casting defects of excavator bucket teeth
(1) There should not be too much recycled sand in the core sand, because there are too many fine sand
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Yuchai Foundry Co., Ltd
Company profile: Yuchai Machinery Co., Ltd. is the largest professional diesel engine manufacturer in China. The foundry is its cost
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Sand casting process flow
Sand casting is the most popular and simplest type of casting, which has been used for centuries Sand casting is
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Development trend of foundry industry
More than 80% of the products in the foundry industry are made by sand casting, so we usually refer to
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Sand core type of sand casting
In order to ensure the quality of castings, the core used in sand casting is generally dry core. The clay
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Classification of sand mold in sand casting
Sand and molding sand are the basic raw materials for casting. The most commonly used casting sand is siliceous sand.
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Bucket teeth of mining excavator
Bucket teeth are the key vulnerable parts of mining excavators. Their working objects are generally ore, rock or soil. The
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Effect of carbon and silicon content on the quality of nodular iron castings
The influence of carbon and silicon content on the quality of nodular iron castings is shown in the figure below:
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Mining electric single bucket excavator
China has a vast territory, vast territory and abundant resources, rich and complete types of mineral resources, and open-pit mining
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Porosity casting defects of bucket teeth
Porosity is one of the most common casting defects in castings. According to the different formation mechanism, it is mainly