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Nickel hard casting development prospects and forming requirements
Feb 23, 2018

Nickel hard castings in the production process mainly refers to the fusible material made of fusible model, coated with several layers of special fire-resistant coating on it, after drying and hardening to form a one-piece shell, and then steam Or hot water from the mold to melt the model, and then the shell placed in the sand box, filled with dry sand around the shape, and finally the mold into the calcination furnace after calcination, mold or shell after firing Casting molten metal therein to obtain castings.

 

Nickel hard casting products obtained by the sophisticated, complex, close to the final shape of the parts, can be processed without any or very little direct use, is a near-net form of advanced technology, casting industry is an excellent technology, its application Very extensive. It is not only suitable for all types, all kinds of alloy casting, and the production of the casting size accuracy, surface quality higher than other casting methods.

 

The rapid development of nickel hard casting forming process, a wide range of applications, from the current situation, the future development trend of the process is casting products closer and closer to the parts products, the traditional precision castings only as rough, has not adapted to the rapid response of the market . The complexity and quality of parts and components products are getting higher and higher, more and more means of research and development, professional collaboration began to appear, the application of CAD, CAM, CAE become the main technology of component product development.

 

Casting nickel hard castings generally do not exert pressure on the equipment and mold strength is not high, the smaller size restrictions on products, products, the internal stress is also low. Therefore, less investment in production, can produce excellent performance of large parts, but the production cycle is longer, the need for mechanical processing after forming. On the basis of traditional casting, derived from the perfusion, embedded casting, pressure casting, rotary casting and centrifugal casting and other methods.http://www.wuxiorient.com/


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