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Factors Affecting Copper Castings Quality
- Aug 14, 2017 -

We all know that the copper sleeve of high hardness, good wear resistance, and it has a good casting performance and cutting performance. But the impact of copper castings quality factors which?
1. In the design, in addition to the working conditions and metal materials to determine the performance of geometric shapes, size, but also from the casting alloy and casting process characteristics to consider the design of the rationality, that is, the size effect and solidification , Shrinkage, stress and other issues, in order to avoid or reduce the composition of copper castings segregation, deformation, cracking and other defects.
2. According to the copper castings structure, weight and size, casting alloy characteristics and production conditions, select the appropriate sub-surface and shape, core method, reasonable set of casting tendons, cold iron, riser and pouring system. To ensure access to high quality castings.
3. Metal charge, refractories, fuels, fluxes, modifiers and foundry sand, sand binder, paint and other materials, substandard quality, will produce castings pores, pinholes, slag, sticky sand and other defects, affecting copper castings appearance quality and internal quality, serious castings will be scrapped.
4. To develop a reasonable process of operation procedures to improve the technical level of workers, so that the rules and regulations are properly implemented.

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Wuxi Hongguang Precision Casting  Factory
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