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LAIYUAN:SHANGHAISONGXIAJIANZHENQITIANJIN11XUAN5    FABUSHIJIAN:2021-08-20 15:37

松夏金属软管外胶层的故障
(1)金属软管外表出现裂纹金属软管外表出现裂纹的主要原因是金属软管在寒冷环境下受到弯曲。若发现金属软管外表有裂纹,要注意观察金属软管内胶是否出现裂纹,决定是否立即更换金属软管。因此在寒冷环境中不要随意搬动金属软管或拆修液压系统,必要时应在室内进行。如果需长期在较寒冷环境中工作,应换用耐寒金属软管。
(2)金属软管外表面出现鼓泡金属软管外表面出现鼓泡的原因是金属软管生产质量不合格,或者工作时使用不当。如果鼓泡出现在金属软管的中段,多为金属软管生产质量问题,应及时更换合格金属软管;如果鼓泡出现在金属软管的接头处,很可能是接头安装不当所致。金属软管接头号常有可拆式、扣压式两种。可拆式管接头在外套和接头号芯上做成六角形,便于经常拆装金属软管;扣压式管接头由接头外套和接头芯组成,装配时须剥离外胶层,然后在专门设备上扣压,使金属软管得到一定的压缩量。
(3)金属软管未破裂但大量渗油金属软管大量渗油但未发现破裂,其原因是金属软管内通过高压液流时,内胶被冲蚀、擦伤,直至大面积漏出钢丝层导致大量渗油。这一故障一般出现在管道弯曲处,应检查更换金属软管,并确保金属软管在使用中弯曲半径符合技术要求。
(4)金属软管外胶层严重变质,表面出现微裂这是金属软管自然老化的表现。由于老化变质,外层不断氧化使其表面覆盖上一层臭氧,随着时间延长而加厚,金属软管在使用中只要受到轻微弯曲,就会产生微小裂纹。遇到这种情况,应更换金属软管。
松夏金属软管外胶层的故障
松夏金属软管
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