The results showed that the main reasons of reductor shaft fracture are weld cracks, slag inclusions and massive inclusions which exist in the structure of the reductor shaft.

 
  • 結果發(fā)現斷軸組織內部存在焊接裂紋、夾渣及塊狀夾雜物等缺陷,這些缺陷形成微小裂紋源,使減速機軸在彎曲旋轉作用力下發(fā)生疲勞斷裂。
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