#1机汽轮机2#轴承油档洼窝偏差大处理方案.doc

摘要；对#1机在安装过程质量进行检查发现#2轴承油档洼窝偏差较大，在经过一系列的专题讨论后，决定对#1机进行返工，以保证#1机的安装质量，通过对安装过程的返工以及#1机的安装经验，两台超超临界660MW机组投产后各项性能指标均达到优良值。
关键词：汽轮机；轴承座；汽轮机转子；洼窝中心

Abstract： In the installation process quality to Xinchang #1 machine to carry on the inspection to discover the #2 bearing oil files hollow nest deviation is big, after passes through a series of seminar, decided carries on doing over to #1 machine, guaranteed the Xinchang #1 machine installment quality, through to the installation process doing over as well as #1 machine installs the experience, after the Xinchang two ultra supercritical 660MW unit production each performance index achieves the fine value.
Key word: Steam turbine; Bearing seat; Steam turbine rotor; Hollow nest center