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对沥青混凝士摊铺机主螺旋分料器轴的断裂失效进行了一系列的测试和分析,结果表明,该轴断裂性质属于疲劳破坏,造成疲劳断裂的主要原因是钢中非金属夹杂较严重和存在较大的应力集中。
A series of tests and analyzes on the fracture failure of the main spiral distributor axis of the asphalt concrete paver show that the fracture nature of the shaft belongs to the fatigue failure and the main reason of the fatigue fracture is the non-metallic inclusions in the steel Serious and there is a big stress concentration.