Raymond mill is better than ball mill in its grinding range, Raymond machine is almost applicable for all the material that ball mill is for. With higher output, lower energy consumption and better environmental protection, its finished product fineness is also better than ball mill. 2. Raymond mill occupies smaller area compared with ball mill. After the Raymond mill has been put into operation for a period of time, a series of overhaul and maintenance measures must be carried out on it, such as overhauling the internal parts of the raymond mill, replacing the lubricating oil, dust removal, etc., in order to protect the Raymond mill, reduce the loss of its components and extend its service life.