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螺旋输送机断轴的内在因素怎么预防

文章来源:郑州赛德斯机械 发布时间:2017-02-08 浏览次数:

螺旋输送机断轴的内在因素主要包括如下几个方面:
The internal factors of the broken shaft of screw conveyor reducer mainly include the following aspects:
1减速机设计时轴断裂处应力过大。
1 the stress of shaft rupture is too large when the reducer is designed.
2减速机输入轴处轴肩处未细致考虑过渡圆角的曲率半径和变化曲线使应力集中严重发生疲劳破坏。
2 the curvature radius and the change curve of the transition fillet at the shoulder of the input shaft of the reducer are not carefully considered.
3减速机为垂直轴形式,第一级输入轴为伞齿轮轴,在伞齿轮支承轴承处过渡轴肩处出现较严重的应力集中而发生疲劳破坏。
3 the reducer is in the form of vertical shaft, the first input shaft is the bevel gear shaft, and the more serious stress concentration occurs at the transition shaft of the bevel gear bearing.
4减速机为硬齿面减速机,减速机输入轴直径较细,虽然计算强度时通过,因轴本身很细,同样在轴直径变化处应力集中严重并发生疲劳破坏。
4 reducer for Hardened reducer, reducer input shaft diameter is small, although by calculating the strength, because the shaft itself is very small, in the same shaft diameter changes the stress concentration and serious fatigue failure.
5输入轴的热处理质量不合格。
5 input shaft heat treatment quality is not qualified.
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