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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Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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,
Scientific
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
Scientific
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
Scientific
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
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Control of valve casting process
(1) Technical analysis of valve body castings: according to the requirements of user drawings, RT flaw detection shall be carried
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Problems in shell casting process
Through production test and research, the following problems exist in shell casting process: (1) mold shell deformation: mold shell deformation
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Application example of shell casting crankshaft
(1) carbon equivalent shall be increased as much as possible without causing graphite floating. After the test, the carbon equivalent
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Comprehensive process test and adjustment of shell casting crankshaft
The process test of S1100 crankshaft shell in multiple batches is shown in the table. Serial number Material Pouring quantity
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Molding and pouring technology of crankshaft in shell casting
Carry out multi batch pouring and anatomical analysis on the shell cast crankshaft, and make corresponding adjustment and improvement: For
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Squeeze casting bucket teeth
Squeeze casting technology continuously applies pressure to the liquid metal in the forming process, which makes the liquid metal solidify
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Inoculant and inoculation treatment of nodular cast iron
The necessary condition for spheroidization is that magnesium as the main element in spheroidizing agent of nodular cast iron is