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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p>轴承是机械设备中微不足道的零件。其主要作用是支撑机械旋转体，以降低设备传动过程中机械载荷的摩擦系数。那乇�strong><span style="color:#ff0000">三叶罗茨风机</span></strong>机械设备应该使用什么样的轴承呢?相信对于很多客户都属于一大难题。下面济南润厅福环保设备带领大家一起来科普一上�strong><span style="color:#ff0000">三叶罗茨风机</span></strong>可使用的轴承类型、�/p><p>　　根据旋转体的类型，分为：球轴承和滚子轴承、�/p><p>　　由于可调整，可分为：调心轴承、非调心轴承、�/p><p>　　按滚动体的列数分为：单列轴承、双列轴承和多列轴承、�/p><p>　　根据零件是否可分离，可分为：轴承可分离、轴承不可分离、�/p><p>　　此外，还有根据结构的形状和规模进行分类、�/p><p>常见轴承的特点、区别及相应用途。角接触球轴承套圈与球之间存在接触角。标准接触角�?5�?0�?0。接触角越大，轴向载荷越大。接触角越小，越有利于高速旋转、�/p><p>　　单列轴承可以承受径向载荷和单向轴向载荷。两个单列角接触球轴承组合在机架背面，共用内圈和外圈，可承受径向载荷和双向轴向载荷、�/p><p>　　单列：机床主轴、高频电机、燃气轮机、离心分离器、小型汽车前轮、差速小齿轮轴、�/p><p>　　双排：油泵、罗茨鼓风机、空气压缩机、各种变速器、喷油泵、印刷机械、�/p><p>　　调心球轴承有双列钢球，外圈滚道为内球面，因此可以主动调整因轴或轴承座偏斜或不对中引起的轴不对中。圆锥孔轴承可以方便地安装在轴上，首先接受径向载荷、�/p><p>　　总之＋�span style="color:#ff0000">三叶罗茨风机</span>可使用的轴承类型很多，除上述外，若按轴承方向或公称接触角的不同，还分为向心轴承和推力轴承呢。更多详情，欢迎多多关注我们的网站动�?/p><p><img src="//www.znpla.com/img1/img/daily/2022/07/12/142519_366797_procont.jpg" title="142519_366797_procont.jpg" alt="1112_副本.jpg"/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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