摘要
介绍了桥式起重机主梁下挠的产生原因，对几种下挠矫正方法进行了对比，并详细叙述了矫正的过程，分析了通过矫正所取得的技术经济效果。
This article introduces the causes of overhead crane's main girder low-deflection and several ways to straighten it. Here is described in details the straightening process and analyzed the obtained eco-tech indexs.
出处
《有色设备》
1999年第6期28-29,共2页
Nonferrous Metallurgical Equipment
