本文对厂修上心盘检修工艺全过程作出具体规定。从工艺角度提出降低厂修上心盘裂纹率、铆装后拆换率的有效工艺方法。文中还提出推广采用埋弧自动焊堆焊圆弧根部,现车焊修裂纹,对旧型上心盘进行加改及拟订上心盘报废条件等建议,以供有关主管部门参考。 This article on the factory repair heart plate repair process to make the specific provisions. From the technical point of view to reduce the rate of repair center plate crack, riveting after the demolition of an effective conversion rate of the process. The article also proposed to promote the use of submerged arc welding surfacing arc welding root, car repair cracks, the old center of the plate to change and prepare the center disc scrap conditions and other recommendations for the relevant departments for reference.