某高速船下舵承套筒焊接裂纹产生机理及解决措施

On the Reasons of Weld Cracked and Measures in Lower Rudder Bearing of a High Speed Ship

针对某型高速船下舵承套筒裂纹的产生,分析普通低碳钢焊接件在焊接后产生裂纹的原因。在分析产生裂纹原因的基础上,探索出防止焊接裂纹产生的方法并在实际应用中取得了很好的效果。

According to the weld cracked in the lower rudder bearing of a high speed ship, the authors analyzed the reasons causing the cracks in the welding of structures in the common mild, so as to explore the method to avoid the weld cracks. Practical use of the proposed method got a better effect.