1.Electroplated diamond grinding wheels grinding wheels are not allowed to be filled or reverse switch, placed a ban on the main channel.
2.Workpieces must be installed firmly, carrier plane to flat.
3.When standing on the side of the grinding wheel. Both use a grinding wheel is not allowed.
4.The plating diamond grinding wheel is not round, there is no use of 25MM of the remaining part of the crack and wear.
5.Mobile power cord for electric wheel may not have broken skin leakage, when used to wear insulating gloves, started after the first contact with the workpiece, set switch Board with leakage protection switch.