August 2014, a user in my test machine plant a SCF600 * 400 type gangue grinder no problem after it put away large gangue grinder, put into production equipment appeared five months after a slow start situation. Yesterday I plant sale telephone contact person in charge of the two-stage gangue grinder, then I ask the factory technician after a fault condition and its maintenance know yet solve the problem of coal waste grinder, in order not to delay the production of coal waste grinder user price I plant sent two technicians to the scene to see. In one investigation after the device and found that the electrical failure of the card machine. As I plant motors are buying accessories, desperation can only return to the factory motor repair, motor repair, but not for a moment be able to solve the matter, in order not to delay the user production, I plant to the user but also equipped with a new motor, then After the equipment is installed successfully test machine, two technical staff before leaving, the customer was very satisfied with our services. Coal mill safe to use: 1, the installation and commissioning of a good start in the empty Coal mill load and empty running 2 to 3 minutes after that they can feed. When crushed granular materials, to adjust the blocking plate to make it uniform right amount of material, in order to ensure that the machine at rated load of work, such as feeding pause when overloaded, to be back to normal in the continued feeding; 2, Material After the feed, let mill running 1 to 2 minutes, and other materials inside the whole is pulverized and conveyed to a collecting bag after shutdown. Two-stage Coal mill Coal mill _ _ Luliang City by three high mechanical Gongyi City, three high mechanical plant. Machinery Factory of Gongyi City High (www.sangaofsj.com) strong, credible, in Zhengzhou crushing grinding equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the three high mechanical and you hand into the brilliant, for a better future!