针对辽宁省某工程TBM大型焊接构件制作后产生较大变形误差的实例,分析了变形误差产生的原因,提出了改正措施,从而满足了图纸要求,为今后同类问题的解决提供了经验和指导。 Aiming at the large deformation error of TBM large welding components produced in Liaoning Province, the causes of deformation errors were analyzed and the corrective measures were put forward so as to meet the requirements of drawings, which provided experiences and guidance for the solution of similar problems in the future.