螺纹滑丝、螺纹磨损能不能修复?

2025-04-07 05:33:24
推荐回答(1个)
回答1:

螺纹滑丝损坏原因及修复方法
在预紧螺栓的过程中,螺栓因受到拉伸应力而产生了变形,它的恢复应力使其与它所连接的密封部位紧紧地连在一起,随时间加长,部分拉伸变形成为永久变形,恢复应力下降,导致其发生了应力松弛,扭矩降落,从而出现了螺栓松动现象,造成螺纹的滑丝磨损。严重时甚至会造成被紧固部件内螺纹的损坏。
上述部件一旦出现螺纹滑丝磨损或损坏现象,传统的解决办法是加大孔径后重新套丝并更换对应的螺栓进行紧固。但是更多部件不能采用此种方法进行修复,就因为局部的损坏而导致部件报废更换,加大了企业的设备维护成本。
采用索雷技术修复,其材料具有金属不具备的退让性及优异的性能,不但完全可以满足大多数设备的修复使用,而且保证了修复后的恢复应力,确保部件的使用效果。同时材料自身的非金属性质,使其涩性远远大于金属,杜绝了因松动而造成的再次损坏,确保了企业的安全连续生产。
高分子聚合物复合材料技术,通过聚合技术将特种纤维、陶瓷、金属粉等材料进行键链接组合,使之不仅具有钢的强度和硬度,同时也有钢所不具有的优良退让性。因此,修复后的设备不仅自身的使用周期会延长,而且轴承的寿命周期也会延长。

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