格 子磨系统作为矿浆制备的关键设备 ,在生产中占有十分重要的地位 ,而格子磨常因磨体螺栓松动、断裂造成设备停车检修的比率达80 %以上 ,可见 ,研究探讨格子磨螺栓的失效形式与原因并加以改进在生产实践中具有十分重要的意义。1给料器联接螺栓失效形式与不良后果原给料器法兰 Lattice grinding system as the key equipment for the preparation of the ore occupies a very important position in the production, and lattice grinding often due to loose bolts, breakage caused by the equipment overhaul rate of more than 80%, we can see that the lattice mill bolt failure The form and the reason and the improvement are of great significance in the production practice. 1 feeder coupling bolt failure form and the adverse consequences of the original feeder flange