Both LM vertical roller mill and ball mill have many difference, in this article, we will mainly talk about the difference between LM vertical roller mill and ball mill.LM vertical roller mill cost: the LM vertical roller mill use a vertical structure, and as a traditional stone powder making machines, the LM vertical roller mill usually more cost save, but you should change the grinding parts in time.Ball mill cost: compare with LM vertical roller mill, the ball mill usually has a larger cover areas, so the over area cost will more expensive, and you should change the change the steel balls in time, otherwise, it’s will affect the finial powder quality.