Hydroelectric equipment often works in harsh environments due to extremely high pressure and great friction with water flow, so ordinary metal components cannot guarantee long-term operation, but must use special alloys. It is for this reason that it is extremely difficult to repair equipment such as stoppers, injectors, shafts, roller … in hydroelectric machines using conventional machining methods. Điều hướng bài viết Engine Bearings Laser Cladding for Screw
