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2018
11-08
The advantages of resin sand mold casting for bed castings: 1, resin sand mold rigidity is good, and the strength of sand mold is high at the initial stage of casting. This condition can make use of graphitization expansion of cast iron sol...
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2018
11-08
The first is the design process of the casting. The design, in addition to the casting geometry, to determine the size according to the working conditions and performance of metal material, must also be from casting alloy and casting proces...
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2018
11-08
Large machine tool castings are mainly used for the flat plate manufacturing of machine tools, and the casting process is simply accepted. In order to make full use of the pressure action of liquid metal under the pressure of low pressure c...
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2018
11-08
There are 2 main types of casting, sand casting and special casting. Ordinary sand casting, using sand as the mold material, also known as sand casting, foundry, including wet sand, dry sand and chemical hardening sand 3, but not all are av...
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2018
11-08
Casting is a kind of metal hot processing technology which has been mastered earlier by human beings. It has a history of about 6000 years. China has entered the full bloom period of bronze casting about 1700 to 1000 B.C., which has reached...
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2018
11-08
With the progress of science and technology and the flourishing development of the foundry industry, different casting methods have different content of mould preparation. Taking the most widely used sand casting as an example, the casting...
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2018
11-08
The quality of machine tool castings mainly includes appearance quality, internal quality and use quality. The appearance quality of machine tool castings to set machine casting surface roughness, surface defect, dimensions, shape, weight d...
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2018
11-08
The quality of machine tool castings mainly includes appearance quality, internal quality and use quality. The appearance quality of machine tool castings to set machine casting surface roughness, surface defect, dimensions, shape, weight d...
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2018
11-08
Manual casting is still an important method for heavy duty castings produced by single piece and small batch. Manual sculpt can adapt to all kinds of complex requirements and is flexible, and does not require many process equipment. Steel,...
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2018
11-08
The wall thickness of the wind power castings is 50~200mm, and the rigid resin sand is used. The safety risers are mostly used to supplement the appropriate amount of cold iron technology. The safety riser has the necking type riser, the ne...
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