Common Failure Causes of Waveform Washers

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Common Failure Causes of Waveform Washers

date:[2022-09-08]     pk_hits:
因原材料问题导致波形垫圈失效的主要表现在两个方面:选材不当和材料本身存在质量问题,当密封材料与流体不相适应时,橡胶吸收液体发生溶胀,就会产生变形;或者橡胶材料的硬度选择不当,弹性不好,则无法起到密封作用,导致密封失效发生泄漏。

从工艺操作发方便性考虑,选择理论上可以达到橡胶波形垫圈的性能的材料,但由于配方或硫化工艺的不当导致橡胶波形垫圈的失效。或选用的橡胶摩擦系数不合适,胶料混炼不均匀或混炼过程中不慎掺入了杂质,添加剂用量超标或偏聚、气孔、疏松及补强剂与基体材料的界面结合不良等现象,均会导致波形垫圈的性能下降从而失效。
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