1, every half a year, want to use dial indicator detection X, Y, Z three feed shaft and B shaft reverse clearance, and to make the necessary clearance compensation; Every year, according to qualification certificate review of the main machine tool accuracy project.

2, every half a year with dial indicator detection reverse clearance status, every year cleaning a filter.

3, each half year check box, operation board electrical parts contact wear, limit switch, sensors, electromagnetic valve action sensitivity, as well as the terminal and terminal screw of soundness.

4, new tooling adjustment later, due to the foundation mud hole in the coagulation of sinking slightly, it is necessary to readjust the foundation, later every year with 0.02/1000 level examination bed level and adjusted.