Factors for the Quality of Sand Casting Parts - Ningbo Fanhua Precision Casting Co., Ltd.

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Factors for the Quality of Sand Casting Parts

Many factors affect the quality of sand casting parts. The first is the parts design. When doing the design, apart from the working condition and metal materials on which basis of shape, size, you should also take the sand casting parts aircraft into consideration. In other words, size effect and the solidification shrinkage , stress and other issues need to be paid attention, in order to avoid or reduce the sand casting parts segregation, deformation, cracking and other defects or problems.

The second is the reasonable casting process of the sand casting parts. You need to choose appropriate type and style based on the sand casting parts weight, size, casting characterizes, producing conditions.

The third is the quality of raw materials used in sand casting parts. Any unqualified metal fuels, refractories, flux, modifier and casting sand may cause air holes, pinholes, slag sticky and other defects of the sand casting parts. Serious ones may lead to the sand casting parts destroyed.

The fourth is the sand casting parts process operation. We need to formulate reasonable operating rules, improve the skill level of workers, so that technical rules can be correctly implemented.

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