Repair process for spring bundle supporting mirror plate based on water-turbine generator set C-level overhaul

The invention discloses a spring bundle supporting runner plate repairing process based on water-turbine generator set C-level overhaul. The spring bundle supporting runner plate repairing process comprises the following steps of S1, runner plate repairing preparation work, S2, thrust bearing component dismounting, S3, runner plate mirror surface repairing area determining, S4, runner plate mirror surface repairing treatment and S5, thrust bearing component reassembling. The runner plate is repaired through the process, the runner plate does not need to be disassembled, the maintenance time is saved, after the runner plate is repaired, the operation state of the runner plate is guaranteed, the runner plate cannot cause large faults due to small defects, reliable operation of a unit is guaranteed, and the service life of the runner plate is prolonged. 一种基于水轮发电机组C级检修弹簧束支承镜板修复工艺，包括以下步骤：S1.镜板修复准备工作、S2.推力轴承部件拆除、S3.镜板镜面修复区域确定、S4.镜板镜面修复处理、S5.推力轴承部件回装。通过该工艺修复镜板，不用拆出镜板，节约了维修时间，对镜板进行修复后，保证了镜板的运行状态，镜板就不会因小缺陷而造成大故障，保证了机组