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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(wèn)題導(dǎo)致波形墊圈失效的主要表現(xiàn)在兩個(gè)方面:選材不當(dāng)和材料本身存在質(zhì)量問(wèn)題,當(dāng)密封材料與流體不相適應(yīng)時(shí),橡膠吸收液體發(fā)生溶脹,就會(huì)產(chǎn)生變形;或者橡膠材料的硬度選擇不當(dāng),彈性不好,則無(wú)法起到密封作用,導(dǎo)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(dá)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(dāng)導(dǎo)致橡膠波形墊圈的失效?;蜻x用的橡膠摩擦系數(shù)不合適,膠料混煉不均勻或混煉過(guò)程中不慎摻入了雜質(zhì),添加劑用量超標(biāo)或偏聚、氣孔、疏松及補(bǔ)強(qiáng)劑與基體材料的界面結(jié)合不良等現(xiàn)象,均會(huì)導(dǎo)致波形墊圈的性能下降從而失效。
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