Grinding mill is made of wear-resistant steel balls, there are many factors that influence the ball grinding productivity. Generally speaking, the same specification of steel balls’ density is of high productivity and low density is of small productivity. mining industry Now brief analyses the effects of ball density on grinding.
1. First is the material impact. There are different materials such as steel balls, steel, cast iron, alloy steel and so on, different materials are of different densities, among which the density of the steel is bigger than iron density. Alloy steel varies with the density and the content of main alloy elements.
2. Production method of wear-resistant steel balls also has a direct impact on ball density, among which hot rolling and forging steel balls are processed and produced using round steel. As the structure is compact, so the density is high. Grinding Ball Casting steel, casting iron casting alloy ball structure compactness is poor. Due to backward technology, in the ball inside often accrue the blowhole, so the density is small. Ball rolling, forging ball density can reach 7.8g/cm3, steel ball casting density is 7.500g/cm3, and cast iron density is only about 7.0g/cm3.
3. Effect of microstructure of the steel ball: the austenite, martensite, bainite, and ferrite crystal structure are not the same under different densities.
The above are the three factors of the grinding medium affecting the grinding effect of the ball mill. Since grinding is a relatively complicated process with many influencing factors, the grinding medium is only one aspect. In the actual production, the grinding test should be carried out first, and the comprehensive consideration of various factors are used to obtain the ideal grinding effect and economic indicators.
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Jiangsu New Victor Industrial Co., Ltd. founded in 1992, is a professional manufacturer of welding pipe machinery. Over the years the company is committed to research and development and production of high-frequency straight seam tube mill lines, steel ball rolling mill machines, copper clad aluminum equipment, slitting machine and other metallurgical machinery. If you are in need of Steel Ball Skew Rolling Mill Machines, please kindly contact us today.
