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Common Failure Causes of Waveform Washers

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Common Failure Causes of Waveform Washers

date:[2022-09-08]     pk_hits:
因原材料問題導致波形墊圈失效的主要表現(xiàn)在兩個方面:選材不當和材料本身存在質量問題,當密封材料與流體不相適應時,橡膠吸收液體發(fā)生溶脹,就會產生變形;或者橡膠材料的硬度選擇不當,彈性不好,則無法起到密封作用,導致密封失效發(fā)生泄漏。

從工藝操作發(fā)方便性考慮,選擇理論上可以達到橡膠波形墊圈的性能的材料,但由于配方或硫化工藝的不當導致橡膠波形墊圈的失效。或選用的橡膠摩擦系數不合適,膠料混煉不均勻或混煉過程中不慎摻入了雜質,添加劑用量超標或偏聚、氣孔、疏松及補強劑與基體材料的界面結合不良等現(xiàn)象,均會導致波形墊圈的性能下降從而失效。
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