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style="display:none;">[电气百科:ATOS溢流阀提前预防以下措施能避免很多不必要的磨损]:减小或消除先ATOS导式溢流阀噪声和振动的措施一般是在导阀部分加置消振元件。消振套一般固定在导阀前腔,即共振腔内,不能自由活动。在消振套上都设有各种阻尼孔,以增加阻尼来消除震动。另外,由于共振腔中增加...</div><div id="rpt7hb9qi553h" class="brand_news_con"><p style="text-indent:2em;">幸运快三代理 减小或消除先ATOS导式溢流阀噪声和振动的措施 </p> <p style="text-indent:2em;">幸运快三代理 一般是在导阀部分加置消振元件?</p> <p style="text-indent:2em;">幸运快三代理 消振套一般固定在导阀前腔,即共振腔内,不能自由活动?</p> <p style="text-indent:2em;"> 在消振套上都设有各种阻尼孔,以增加阻尼来消除震动。另外,由于共振腔中增加了零件,使共振腔的容积减小,油液在负压时刚度增加,根据刚度大的元件不易发生共振的原理,就能减少发生共振的可能性?</p> <p style="text-indent:2em;">幸运快三代理 消振垫一般与共振腔活动配合,能自由运动。消振垫正反面都有一条节流槽,油液在流动时能产生阻尼作用,以改变原来的流动情况。由于消振垫的加入,增加了一个振动元件,扰乱了原来的共振频率。共振腔增加了消振垫,同样减少了容积,增加了油液受压时的刚度,以减少发生共振的可能性?</p> <p style="text-indent:2em;">幸运快三代理 在消振螺堵上设有蓄气小孔和节流边,蓄气小孔中因留有空气,空气在受压时压缩,压缩空气具有吸振作用,相当于一个微型吸振器。小孔中空气压缩时,油液充入,膨胀时,油液压出,这样就增加了一个附加流动,以改变原来的流动情况。故也能减小或消除噪声和振动?</p> <p style="text-indent:2em;">幸运快三代理 另外,如果溢流阀本身的装配或使用权用不当,也都会造成振动,产生噪声。如三节同心式溢流阀,装配时三节同心配合不当,使用时流量过大或过小,锥阀的不正常磨损等。在这种情况下,应认真检查调整,或更换零件?</p> <p style="text-indent:2em;"> ATOS溢流阀调压失灵 </p> <p style="text-indent:2em;"> ATOS溢流阀在使用中有时会出现调压失灵现象。先导式溢流阀调压失灵现象有二种情况:一种是调节调压手轮建立不起压力,或压力达不到额定数值;另一种调节手轮压力不下降,甚至不断升压。出现调压失灵,除阀芯因种种原因造成径向卡紧外,还有下列一些原因: </p> <p style="text-indent:2em;"> *是主阀体(2)阻尼器堵塞,油压传递不到主阀上腔和导阀前腔,导阀就失去对主阀压力的调节作用。因主阀上腔无油压力,弹簧力又很小,所以主阀变成了一个弹簧力很小的直动型溢流阀,在进油腔压力很低的情况下,主阀就打开溢流,系统就建立不起压力?</p> <p style="text-indent:2em;">幸运快三代理 压力达不到额定值的原因,是调压弹簧变形或选用错误,调压弹簧压缩行程不够,阀的内泄漏过大,或导阀部分锥阀过度磨损等?</p> <p style="text-indent:2em;">幸运快三代理 第二是阻尼器?)堵塞,油压传递不到锥阀上,导阀就失去了支主阀压力的调节作用。阻尼器(小孔)堵塞后,在任何压力下锥阀都不会打开溢流油液,阀内始终无油液流动,主阀上下腔压力一直相等,由于主阀芯上端环形承压面积大于下端环形承压面积,所以主阀也始终关闭,不会溢流,主阀压力随负载增加而上升。当执行机构停止工作时,系统压力就会无限升高。除这些原因以外,尚需检查外控口是否堵住,锥阀安装是否良好等?</p> <p style="text-indent:2em;">幸运快三代理 ATOS溢流阀其它故障 </p> <p style="text-indent:2em;"> 溢流阀在装配或使用中,由于O形密封圈、组合密封圈的损坏,或者安装螺钉、管接头的松动,都可能造成不应有的外泄漏?</p> <p style="text-indent:2em;">幸运快三代理 如果锥阀或主阀芯磨损过大,或者密封面接触不良,还将造成内泄漏过大,甚至影响正常工作?</p> <p style="text-indent:2em;"> 电磁溢流阀常见的故障有先导电磁阀工作失灵、主阀调压失灵和卸荷时的冲击噪声等。后者可通过调节加置的缓冲器来减少或消除。如不带缓冲器,则可在主阀溢流口加一背压阀。(压力一般调?kgf/cm2左右,即0.5MPa?</p> <p style="text-indent:2em;"> <br /> </p></div><div id="rpt7hb9qi553h" class="meneame"><span class="disabled">< </span><span class="current">1</span> <span class="disabled">> </span></div> <div id="rpt7hb9qi553h" style="text-align: center;padding-top: 10px;"><img src="/images/code.jpg" alt="关注有惊?" /></div> <div id="rpt7hb9qi553h" class="news_bot_mes">中国工业电器网:此内容转载于合作媒体或互联网其它网站,中国工业电器网登载此文出于传递更多信息之目的,并不意味着赞同其观点或证实其描述!</br>新闻、技术文章投稿QQ?28246603 邮箱:news@cnelc.com</div> <h2 class="related">相关阅读</h2> <ul class="related_con"> <li>· <a href="/text/32/191022/AD100905849_1.html" target="_blank">电气百科?6个电工入门基础知识,知?</a></li><li>· <a href="/text/32/191022/AD100905847_1.html" target="_blank">电气百科:购买电线电缆的两个误区,你注意</a></li><li>· <a href="/text/32/191022/AD100905846_1.html" target="_blank">电气百科:电线电缆分为六类,你知道哪几个</a></li><li>· <a href="/text/32/191022/AD100905845_1.html" 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