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针对国内第一台最大吨位 2 80t铸造吊车端梁发生裂纹的现象进行了论述 ,并分析了裂纹发生的原因 ,以及如何采取相应的对策 ,实现了 2 80t铸造吊车的长寿化 ,杜绝了裂纹发生。
In view of the crack phenomenon of the first 80t cast crane crane with the largest tonnage in China, the causes of the cracks and the countermeasures are analyzed, the longevity of 2 80t foundry cranes is achieved and the occurrence of cracks is eliminated .