Raymond (Raymond) common sense: Hardness: Because it is destructive test, so the unground of the original stone or precious of minerals can be used. There are two types of hardness scales, one is the absolute hardness, and the other is a Mohs hardness (a relatively hardness) Mohs hardness: Ten to common mineral used as a standard by scratching each other hard to distinguish what what soft , it is customary on mineralogy or gemology is Mohs hardness. Mesh sieve pore is a general characterization of the size of its conversion formula is cm = 16 / mesh, mesh has British and US Henan Raymond mill purchase, inch refers to the number of holes per square inch; how to better play Mill Run effect? Mill was widely used, how to make their purchase machines can more effectively play its role? Here Lei companies to industrial milling machine, for example, tell us about the relevant maintenance methods. In order to ensure the use of mill Raymond mill wholesale Henan, after a period of time to conduct a comprehensive clean-up of equipment, mainly various components inside the device: roller, powder collector, grinding ring has been supporting the dust equipment. These component parts are the basis to ensure the normal operation of equipment, so clean up the component is very important. After a certain period of use, but also on the joints mill to do a comprehensive and detailed overhaul, connection problems will seriously affect the milling results will directly lead to serious equipment failure. In addition, Henan Raymond Mill What makes a good, local equipment needed to lubricate the process is also very important, lubrication can reduce equipment wear and tear, while allowing the device to run more smoothly. In the milling machine for maintenance during maintenance may be required to determine the site, these parts will be listed, and then one by one to carry out maintenance, prevent the emergence of omission, in order to ensure the maintenance of comprehensiveness. In addition, according to mill prone to failure as a starting point for overhaul maintenance, checking the reverse approach is very practical, it is recommended to use, this can prevent failures, can also be effective repair and maintenance of equipment. Henan Raymond Mill What makes a good, Lei Machinery (certified), Henan Raymond mill is provided by Zhengzhou Machinery Co., Ltd. Lei. Zhengzhou Lei Machinery Co., Ltd. (www.hnzljx.net) (www.hnzljx.net) is a leader in Zhengzhou, crushing grinding equipment, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. In Lei machinery leadership with the staff warmly welcome all inquiries negotiations to create the better future Lei machinery.