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从部件试验的寿命评定、寿命可靠性计算、结构系统的寿命可靠度三方面对联合收割机结构寿命可靠性评定与寿命预测问题进行探讨;提出联合收割机寿命估算流程与结构寿命部位确定方法;给出4LZ-3纵向轴流联合收割机当量寿命计算结果。
The reliability assessment of life span of combine harvester and life prediction are discussed from the aspects of life assessment, life reliability calculation and life reliability of the structure test. Proposed the life cycle estimation method and structure life determination method of the combine harvester. The equivalent life of 4LZ-3 longitudinal axial-flow combine harvester is given.