Crusher needs to improve wear friction
8 March, 2013 at 5:57 am in Buy & Sell
In industry, crushers are machines which use a metal surface to break or compress materials. Mining operations use crushers, commonly classified by the degree to which they fragment the starting material, with primary and secondary crushers handling coarse materials, and tertiary and quaternary crushers reducing ore particles to finer gradations. Medical Stone is a biological non-toxic, harmless and biological activity of the compound has a mineral or medicinal rocks. Medical Stone is the main inorganic chemical composition of aluminosilicate. According to the categories, crushers can be divided into medical crushers and mining crushers.
For the most part advances in crusher design have moved slowly. Jaw crushers have remained virtually unchanged for sixty years. More reliability and higher production have been added to basic cone crusher designs that have also remained largely unchanged. Increases in rotating speed, have provided the largest variation. For instance, a 48 inch (120 cm) cone crusher manufactured in 1960 may be able to produce 170 tons/h of crushed rock, whereas the same size cone manufactured today may produce 300 tons/h. These production improvements come from speed increases and better crushing chamber designs.
If the equipment manufacturing industry upgrades, research-and-development-oriented enterprises will benefit. We think that the comparative advantage of the labor cost in China machinery industry is disappearing, so the upgrade of equipment manufacturing industry is the only way to success. At present the r&d investment is only that of about 2 percent for the 204 listed enterprises in our country machinery industry. But according to the fact that In America the R&D fees reach 6 percent for the 245 listed mechanical enterprises, the research and development investment of China machinery industry is insufficient. Looking from the American development experience, if an enterprise increases its r&d investment dramatically, its business performance and the profit level will improve greatly in the next 5 to 10 years, and excess returns of these listed companies is also much higher than that companies with less investment.
As far as we all know, the selection of mining crushers is very important in the ore processing. The maximum feed size, the size of the finished products after processing granularity, and the whole process of the use of gravel crushing manner, directly affecting the processing of ores and yields, will affect the actual benefits of ore market. Therefor, we must notice that crusher loss is the main body, and guarantee anti-corrosion in the wearable condition.
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