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Sand production line achieves automated production technology, makes product with uniform particle size, good grain shape and reasonable grading. Crushing and screening plants show cross-space layout in the entire production line, this layout has advantages of small footprint, high economic efficiency and good quality of finished material. In addition, the series of production line has advanced electronic-control operating system , stable technology systems, smooth discharging and reliable operation, which provide strong technical support to energy-efficient production goal .The advent of sand making machine helps the processing technology of gravel industry make a big step further. The sand maker not only can satisfy the construction requirements of each project in quality and quantity, but also can adapt to the requirements of mechanized construction. However, because of its special working conditions-being exposed to the sunshine and wind for long time, and the machines’ own problems, the problem of low efficiency appears which affect the normal production, causing huge losses to investors. Therefore, how to resolve the excessive abrasion of sand making plant is particularly important. The quick-wear parts of sand maker usually include board hammer, impact liner, enclosure liner and the liner of rotor body and so on. Among these parts, the board hammer is easily worn and the cost is higher. Thus, lessening the wear of the board hammer is the key to solve the problem of sand wear.
The current sand making processing technology has been able to basically meet the requirements of sand making enterprise and building users. But we cannot ignore that the sand maker technology still exists many problems in the particle size distribution, grain shape adjustment and control technology, as well as environmental pollution and material waste.
Several factors lead to the problem of the sand maker.
The first factor is the nature of material, whose influence on the board hammer includes the nature of the material, the particle size of the feedstock and its water content and other factors. The nature of the material is the factor that has largest impact on the board hammer. There is a big difference of unit pure wear of board hammer among different materials.
The second factor is the influence of processing capacity and the discharging gap. When the processing capacity is increased, product size will be thicker, broken ratio decreases and the unit pure abrasion of the board hammer becomes lower at the same time. The size of discharging gap, to some extent, can also change the thickness of the product particle size, having a certain influence on the wear of board hammer.
As the leader of domestic mining machinery, Henan Hongxing Mining Machinery Company determined all of the research and innovation should be based on the outcome of core economic zone, and we should seize this opportunity to build national and world famous mining machinery brand to promote the development of mining machinery industry and Henan economy. Henan occupies a pivotal position in the national economic development, and mining machinery industry as an important pillar industry of China's national economy is of course plays an important role in promoting economic development, Henan Hongxing in the dawn of the Central Plains Economic Zone tide will firmly seize these opportunities brought about by the development of Henan, adhere to scientific development, and take the low-carbon green line in order to speed up the transformation of economic development to improve R & D and innovation ability and constantly improve the technological level, increase the value of the products, and make more and greater contributions for promoting the construction of the central zone.

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