Through analysis of the breaking location,shape of breaking section,manufacturing quality and sheave factor of hoisting system ,the breaking reason of the drilling wire rope is discussed.

• 通过对钢丝绳断裂部位、断口形貌、制造质量以及游动系统滑轮参数等调查情况进行分析，剖析了钢丝绳断裂产生的原因。