Under the action of centrifugal force, the grinding ring of Raymond mill works with grinding roller to crush and grind the materials between them. It is used to the powder processing of mineral products in the industries of metallurgy, construction materials, chemical and mining. Etc. The materials must be non-flammable and non-explosive materials such as: limestone(url:http://www.mouldingparts.com/Crusher-parts/Raymond-millRaymond-milling-machine-spare-parts-Grinding-ring.html)