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我厂机修车间一辆Q2-162型16吨汽车吊伸缩肩油缸柱塞,由于某种原因致使柱塞的表面磨损极为严重,拉伤痕迹长达6米左右,深度达4毫米,而且拉伤痕迹是多道的,少则3～4道,多则6～8道(纵向)。由于这些缺陷,致使吊车无法使用,给全厂吊装工作带来一定影响。在本厂无备件的情况下,为了不影响生产,采用电弧冷焊法修复了柱塞。实践证明,修复后的柱塞使用效果很好,
I plant a mechanic shop a Q2-162 16 ton crane retractable Shoulder Cylinder plunger, for some reason caused the plunger surface wear is extremely serious, trauma traces up to 6 meters, a depth of 4 mm, and strain Traces are multi-track, ranging from 3 to 4, as many as 6 to 8 (vertical). Due to these defects, the crane can not be used, which will bring a certain impact to the lifting work of the whole plant. In the absence of spare parts in the factory, in order not to affect the production, the use of arc cold welding repair plunger. Practice has proved that the plunger repair effect is very good,