?!doctype html> 风机转子临界转速是什?-风机知识--周口市通用鼓风机有限公?/title> <meta name="keywords" content="乐福娱乐,泛亚娱乐,连中彩票" /> <meta name="description" content="˱Ӽ޹˾申博138凤凰彩票TT娱乐城彩票2元网优乐国际娱乐城亚美彩票玛雅彩票和记娱乐乐赢" /> <link rel="stylesheet" type="text/css" href="/css/main.css"> <link rel="stylesheet" type="text/css" media="screen and (max-device-width: 768px)" href="/css/mobile.css" /> <link rel="shortcut icon" href="/favicon.ico" /> <script type="text/javascript" src="/js/jquery.min.1.8.2.js"></script> <script type="text/javascript" src="/js/ping.js"></script> <script type="text/javascript" src="/js/jquery.flexslider-min.js"></script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body class="bg_index"> <div id="top"> <div class="warp clearfix"> <div class="site_map"><p> <a class="qq" target="_blank" href="http://wpa.qq.com/msgrd?v=3&uin=450396143&site=qq&menu=yes"><img border="0" src="/images/QQ_pic.gif" alt="点击q里l我发消? title="点击q里l我发消?/></a> <a href="http://www.194871.tw/sitemap.html">|站地图</a> <a href="http://www.194871.tw">|站首页</a> </p> </div> <div class="logo"><a href="http://www.194871.tw"><img src="/images/logo.png" align="bottom" alt="周口市通用鼓风机有限公?></a></div> </div> <div id="nav"> <div class="menu"> <ul class="menucon"> <li><a href="http://www.194871.tw" >首页</a></li> <li><a href="/html/list_1597.html" >公司?/a></li> <li><a href="/html/list_1600.html" >风机讑֤</a></li> <li class="currclass"><a href="/html/list_1601.html" >新闻资讯</a></li> <li><a href="/html/list_1602.html" >风机选型</a></li> <li><a href="/html/list_1603.html" >风机实图</a></li> <li><a href="/html/list_1604.html" >荣誉资质</a></li> <li><a href="/html/list_1605.html" >联系方式</a></li> </ul> </div> </div> </div> <div id="banner_inner"> <div > </div> </div> <div class="warp clearfix"> <div class="c_l"> <div class="warp"> <h2>d风机资料<br><span>Centrifugal fan</span></h2> </div> <dl class="left_nav"> <dt class="currclass"><a href="/html/list_1606.html">风机知识</a></dt> <dt><a href="/html/list_1607.html">风机资讯</a></dt> </dl> <ul class="list_left_btn"> <li><a href="http://www.194871.tw/html/list_1600.html"><img src="/images/btn_products.jpg" alt="产品中心"></a></li> <li><a href="http://www.194871.tw/html/list_1605.html"><img src="/images/btn_contact.jpg" alt="联系我们"></a></li> </ul> </div> <div class="c_r"> <div class="pos2"> <p>您当前位|:<a href="/" target="_blank">周口市通用鼓风机有限公?/a> >> <a href="/html/list_1601.html" target="_blank">新闻资讯</a> >> <a href="/html/list_1606.html" target="_blank">风机知识</a> >> 览相关资讯</p> </div> <h1 class="dis_title">风机转子临界转速是什?/h1> <div class="dis_time"><span>来源:周口市通用鼓风机有限公?</span><span>发布日期:2020q?2?1? </span><span>点击敎ͼ<Script Language="Javascript" Src="/item/GetHits.asp?Action=Count&GetFlag=0&m=1&ID=2700"></Script> </span></div> <div class="dis_intro">风机转子上的各个部g都是刉得很精密的Q同时在装配时又l过了^衡校正,但是风机转子的重心还是不可能完全和主轴的中心相吻合。由于u的中心和转子重心之间有偏心,因此在主轴旋转时׃生离心力Q这是造成风机振动和主轴弯曲的d因? </div> <div class="dis_content"> <div id="MyContent"><section style="color: rgb(0, 0, 0); font-size: medium;"> <p style="margin-bottom: 5px;"> <span style="font-size: 14px;">       风机转子上的各个部g都是刉得很精密的Q同时在装配时又l过了^衡校正,但是风机转子的重心还是不可能完全和主轴的中心相吻合。由于u的中心和转子重心之间有偏心,因此在主轴旋转时׃生离心力Q这是造成风机振动和主轴弯曲的d因?br />       转子旋{Ӟ重心随着轴中心线而{动,d力也随着转动。当轴每转一周,׃生一ơ振动。这是离心力引v的对转子的强q振动,每秒钟生强q振动的ơ数叫做振动的频率?/span></p> <p style="margin-bottom: 5px; text-align: center;"> <img alt="鼓风? src="http://47.75.187.47:8002/UploadFiles/2020-02/2/20202212315543797.gif" /></p> <p style="margin-bottom: 5px;"> <br /> <span style="font-size: 14px;">      MҎ体本n都有一定的自由振动频率。例如,若把一栚w丝两端固定,在中间用锤敲一下,钢丝开始上下往复地振动Q这旉丝每U钟振动的次数就UCؓ其自由振动频率?br />       高{速风机的转子Q也h一定的自由振动频率Q而离心力则会引v转子的强q振动。当转子的强q振动频率和转子的自由振动频率相重合Ӟ也就是离心力方向变动的次敎ͼ引v转子振动的频率和转子自由振动的频率相同或成比例时Q就产生了共振率。此Ӟ转子的振动最大。这一转速就UCؓ转子的界{速。因u有多阶的固有频故轴有多阶的界{速,分别UCؓ一阶界{速、二阶界{速?/span></p> <p style="text-indent: 2em;"> <span style="font-size: 14px;">更多鼓风Z品知识请讉KQ?/span><a href="http://www.zhoukoufengji.com/" src="http://www.zhoukoufengji.com/" style="font-size: 14px;">www.194871.tw</a><span style="font-size: 14px;">电话Q?394-8520911   8204228 手机Q?5539485098  15539456606  联系人:刘经?/span></p> <p style="text-indent: 2em;"> <span style="font-size: 14px;">相关阅读Q?/span></p> <p style="text-indent: 2em;"> <a href="/html/fjzs_1606_2670.html" style="font-size: 14px;">保护鼓风机电Z受损害的措施</a></p> <p style="text-indent: 2em;"> <a href="/html/fjzs_1606_2669.html" style="font-size: 14px;">Lpd|茨鼓风Zl?/a></p> <p style="text-indent: 2em;"> <a href="/html/fjzs_1606_2668.html" style="font-size: 14px;">l护d风机?Ҏ意事?/a></p> <p style="text-indent: 2em; 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