Sand making machines are also called vertical shaft impact crushers. They are generally suitable for crushing soft or medium-hard and hard ore materials with a hardness of no more than 320Pa. Therefore, they are widely used in smelting, building materials, highways, railways, water conservancy and chemical industries, etc. Department. So what should be paid attention to before the equipment is in operation and when it is running at no load? 　　 1. Plan the test run process before the test machine.
　　2. The body of the equipment and its surroundings be clean. The power source and the materials to be processed also meet the design requirements, and the necessary lighting and communication facilities be provided.
　　 3. Check and confirm that there is no metal foreign body or any other objects in the hammer.
　　4. Check whether all fasteners are loose, and whether the inspection door and hole cover are airtight.
　　 5. Check whether qualified grease is used at each lubrication point.
　　 6. Dangerous locations should be equipped with safety protection facilities and markings. Test personnel should stand in the specified safe area, and other personnel are not allowed to stay in the test area.