</noscript> <script> function stop(){ return false; } document.oncontextmenu=stop; </script> <a name=top></a><script type="text/javascript" src="/Templates/otp/css/jquery.min.js"></script> <script type="text/javascript" src="/Templates/otp/css/common.min.js"></script> <div class="top1"> <div class="top_content"> <span class="top_left"><font style="font-size:14px; font-weight:bold">欢迎登录 沃尔顶密封</font></span> <div class="top_right" > <span style="float:left; "> <a href="/login"><font style="font-size:14px; font-weight:bold">登录</font></a> | <a href="/reg"><font style="font-size:14px; font-weight:bold">注册</font></a></span><span class="top_tel"><font style="font-size:14px; font-weight:bold">0510-85899515</font></span> <a class="qq" href="tencent://message/?uin=2853511502&Site=&Menu=yes"><img src="/Templates/otp/images/qq.png"/></a> <a class="qq" href="tencent://message/?uin=2853511507&Site=&Menu=yes"><img src="/Templates/otp/images/qq.png"/></a> <span style="float:right; margin-left:10px;"><a href="http://jap.otp.net.cn"><font style="font-size:14px; font-weight:bold">日本語</font></a></span><span style="float:right"><a href="http://en.otp.net.cn"><font style="font-size:14px; font-weight:bold">English</font></a></span> </div> </div> </div> <div class="header"> <div style="width:100%;background:#FFF;"> <div class="head"> <a href="" class="logo"><img src="/Templates/otp/images/logo.png" alt="沃尔顶——专业密封件制造商" /></a> <div class="lanrenzhijia"> <ul class="nav_ul"> <li><a class="t2 " href="/">网站首页 </a></li> <li><a class="t2 " href="/about/?19.html" title='关于我们'>关于我们 </a> <div class="second"> <a class="t1" href="/about/?19.html" >公司简介</a> <a class="t1" href="/about/?3.html" >荣誉资质</a> <a class="t1" href="/about/?14.html" >发展历史</a> <a class="t1" href="/about/?12.html" >组织结构</a> <a class="t1" href="/about/?9.html" >承诺责任</a> <a class="t1" href="/about/?13.html" >员工风采</a> <a class="t1" href="/about/?16.html" >企业视频</a> <a class="t1" href="/about/?17.html" >新品开发</a> <a class="t1" href="/about/?169.html" >公司简介</a> </div> </li> <li><a class="t2 t3 " href="/list/?1_1.html" title='新闻中心'><font color="#FFFFFF"> 新闻中心</font></a> <div class="second"> <a class="t1" href="/about/?2.html" >公司动态</a> <a class="t1" href="/list/?6_1.html" >行业资讯</a> <a class="t1" href="/list/?163_1.html" >行业展会</a> <a class="t1" href="/list/?116_1.html" >行业热点</a> <a class="t1" href="/list/?117_1.html" >公告通知</a> </div> </li> <li><a class="t2 " href="/list/?5_1.html" title='产品展示'>产品展示 </a> <div class="second"> <a class="t1" href="/list/?107_1.html" >O型圈</a> <a class="t1" href="/list/?7_1.html" >星型圈</a> <a class="t1" href="/list/?11_1.html" >橡胶球</a> <a class="t1" href="/list/?20_1.html" >ED圈</a> <a class="t1" href="/list/?18_1.html" >矩形垫圈</a> <a class="t1" href="/list/?108_1.html" >组合垫圈</a> <a class="t1" href="/list/?109_1.html" >四氟制品</a> <a class="t1" href="/list/?110_1.html" >旋转密封圈</a> <a class="t1" href="/list/?111_1.html" >往复密封件</a> <a class="t1" href="/list/?160_1.html" >气动密封件</a> <a class="t1" href="/about/?118.html" >特殊件定制</a> </div> </li> <li><a class="t2 " href="/about/?10.html" title='工厂展示'>工厂展示 </a> <div class="second"> <a class="t1" href="/about/?131.html" >厂区分布</a> <a class="t1" href="/about/?132.html" >生产设备</a> <a class="t1" href="/about/?133.html" >模具加工</a> <a class="t1" href="/about/?134.html" >胶料管控</a> <a class="t1" href="/about/?135.html" >品质管控</a> <a class="t1" href="/about/?136.html" >仓库一角</a> </div> </li> <li><a class="t2 " href="/goucao" title='在线计算'>在线计算 </a><em class="ico_hot"></em> <div class="second"> <a class="t1" href="/goucao" >沟槽计算</a> <a class="t1" href="/clxz" >材料选择</a> </div> </li> <li><a class="t2 " href="/cangchu" title='仓储中心'>仓储中心 </a><em class="ico_hot"></em> <div class="second"> </div> </li> <li><a class="t2 " href="/list/?143_1.html" title='技术支持'>技术支持 </a> <div class="second"> <a class="t1" href="/about/?153.html" >技术团队简介</a> <a class="t1" href="/about/?144.html" >材料物性表</a> <a class="t1" href="/about/?145.html" >公差尺寸表</a> <a class="t1" href="/about/?146.html" >开槽建议参数</a> <a class="t1" href="/list/?147_1.html" >材料测试报告</a> <a class="t1" href="/about/?148.html" >安装注意事项</a> <a class="t1" href="/about/?149.html" >保存或保质期</a> <a class="t1" href="/about/?150.html" >化学品兼容性</a> <a class="t1" href="/about/?151.html" >压力硬度间隙</a> <a class="t1" href="/list/?152_1.html" >压缩量过盈量</a> </div> </li> <li><a class="t2 " href="/list/?8_1.html" title='下载中心'>下载中心 </a> <div class="second"> <a class="t1" href="/list/?155_1.html" >样本册</a> <a class="t1" href="/list/?156_1.html" >尺寸表</a> <a class="t1" href="/list/?157_1.html" >公差表</a> <a class="t1" href="/list/?158_1.html" >SGS报告</a> <a class="t1" href="/list/?168_1.html" >ROHS报告</a> </div> </li> <li><a class="t2 " href="/about/?15.html" title='联系我们'>联系我们 </a> <div class="second"> <a class="t1" href="/about/?15.html" >联系我们</a> <a class="t1" href="/about/?129.html" >关注我们</a> <a class="t1" href="/gbook/" >意见反馈</a> </div> </li> </ul> </div> </div> </div> </div> <script type="text/javascript" src="/Templates/otp/js/jQuery.v1.8.3-min.js"></script> <script> $(function(){ var lanrenzhijia = 0; // 默认值为0，二级菜单向下滑动显示；值为1，则二级菜单向上滑动显示 if(lanrenzhijia ==0){ $('.lanrenzhijia li').hover(function(){ $('.second',this).css('top','50px').show(); },function(){ $('.second',this).hide(); }); }else if(lanrenzhijia ==1){ $('.lanrenzhijia li').hover(function(){ $('.second',this).css('bottom','50px').show(); },function(){ $('.second',this).hide(); }); } }); </script> <div class="banner"> <img src="/upLoad/product/month_1903/201903110929192155.jpg" width="100%" /> </div> <div class="center"> <style>.dangqian{ background:#4f9f18; } </style> <div class="ny_left"> <div class="ny_left_title"> <span class="cn">新闻中心</span><span class="en"></span> </div> <ul class="ny_left_ul" id="sitemap"> <li ><a href="/about/?2.html" >公司动态</a> <ul> </ul> </li> <li class="dangqian" ><a href="/list/?6_1.html" ><font style="color:#fff;font-family: 微软雅黑;font-size: 16px;" >行业资讯</font></a> <ul> </ul> </li> <li ><a href="/list/?163_1.html" >行业展会</a> <ul> </ul> </li> <li ><a href="/list/?116_1.html" >行业热点</a> <ul> </ul> </li> <li ><a href="/list/?117_1.html" >公告通知</a> <ul> </ul> </li> </ul> </div> <div class="ny_right"> <div class="right_title"> <h1>行业资讯</h1> <span class="weizhi">您当前所在的位置：<a href="/">网站首页</a> >> <a href="/list/?1_1.html">新闻中心</a> >> <a href="/list/?6_1.html">行业资讯</a></span> </div> <div class="right_content"> <div align="center" style="margin-left:20%;"><H2>O型圈的技术解密</H2></div> <p>O型圈密封原理</p><p><br/></p><p>O型圈密封是一种挤压型密封。当密封件产生初始形变和应力Pseal，Pw>Pseal时，将不会泄漏。Pm=P0+Pp，Pp=K×P。 Pm=P0+K×PK为介质压力传递给O型圈压力的系数（对橡胶，K=1）。因此，只要O型圈存在初始压力，就可实现无泄漏的绝对密封。<br/></p><p><br/></p><p>O型圈密封是一种自密封结构。<br/></p><p>O型圈密封压缩变形率选择</p><p><br/></p><p>理论上0压缩也可实现密封，实际是不可能的。偏心：工作载荷下，O型圈拉伸，变细，就可能泄漏低温：橡胶收缩，变细，可能泄漏（低温会造成橡胶加速老化，失去补偿能力）一般断面有7%-30%的压缩变形率，静密封取大的压缩率（15%-30%），动密封取小的压缩率（9%-25%）<br/></p><p><br/></p><p>O型圈受内压、外压选择受内压：O型圈外径与沟槽外径相同受外压：O型圈内径与沟槽内径相同防止出现在工作压力下出现O型圈直径变小。将 O 形圈安装在沟槽内时，要受到拉伸或压缩。若拉伸和压缩的数值过大，将导致O形圈截面过度增大或减小，因为拉伸1%相应地使截面直径W减小约0.5%。对于孔用（内压）密封，O形圈最好处于拉伸状态，最大允许拉伸量为6%；对于轴用（内压）密封，O 形圈最好延其周长方向受压缩，最大允许周长压缩量为3%。</p><p><br style="text-wrap: wrap;"/></p><p style="margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em;" helvetica="" pingfang="" hiragino="" sans="" microsoft="" yahei="" font-size:="" letter-spacing:="" text-align:="" text-wrap:="" color:="" background-color:="" visibility:="" box-sizing:="" border-box="" overflow-wrap:="" break-word=""><br/></p><script src="/inc/AspCms_VisitsAdd.asp?id=186"></script> <DIV class=clear></DIV> <DIV class=pageNavi> <DIV class=pageleft><STRONG>上一篇: </STRONG><a href="/content/?162.html">橡胶制品难脱模？</a></DIV> <DIV class=pageright><STRONG>下一篇: </STRONG>没有了!</DIV> </DIV> </div> </div> <div class="clear"></div> </div> <script type="text/javascript" src="/inc/AspCms_Statistics.asp"></script> <script src="/Templates/otp/js/gbook.js"></script> <script src="/Templates/otp/css/Infinity.js" type="text/javascript"></script> <script src="/Templates/otp/css/jquery.fancybox.pack.js" type="text/javascript"></script> <div class="foot"> <div class="headn"> <div class="foot_nav"> <h2><i></i></h2> <ul> <li><a href="/" title="首页"><ins>首页</ins></a></li> <li><a href="/#case" title="案例"><ins>案例</ins></a></li> <li><a href="/#about" title="关于"><ins>关于</ins></a></li> <li><a href="/#server" title="服务"><ins>服务</ins></a></li> <li><a href="/#news" title="动态"><ins>动态</ins></a></li> <li><a href="/#contact" title="联系"><ins>联系</ins></a></li> </ul> </div> <!--foot_nav --> <div class="sub"> <h2><i></i></h2> <ul> <li><a href="/about/?10.html" title="工厂展示深度验厂" target="_blank"><span><tt><img src="/Templates/otp/images/l1.png"/></tt><em><img src="/Templates/otp/images/lc1.png"/></em><i><img src="/Templates/otp/images/zb03.png"/></i></span><ins>工厂展示深度验厂</ins></a></li> <li><a href="/about/mall.html" title="密封商城" target="_blank"><span><tt><img src="/Templates/otp/images/l2.png"/></tt><em><img src="/Templates/otp/images/lc2.png"/></em><i><img src="/Templates/otp/images/zb03.png"/></i></span><ins> 密 封 商 城</ins></a></li> <li><a href="http://www.otp.net.cn/goucao/" title="在线计算与选材" target="_blank"><span><tt><img src="/Templates/otp/images/l3.png"/></tt><em><img src="/Templates/otp/images/lc3.png"/></em><i><img src="/Templates/otp/images/zb03.png"/></i></span><ins>在线计算与选材</ins></a></li> <li><a href="http://www.oemfa.com" title="中国密封产业网" target="_blank"><span><tt><img src="/Templates/otp/images/l4.png"/></tt><em><img src="/Templates/otp/images/lc4.png"/></em><i><img src="/Templates/otp/images/zb03.png"/></i></span><ins>中国密封产业网</ins></a></li> </ul> </div> <!--sub --> <div class="footclear"><b></b></div> <div class="foot_about"> <h2><i></i></h2> <span> <b style="line-height:30px; font-size:14px;"> ◆沃尔顶—专业橡胶密封件生产商，大陆工厂位于安徽省滁州。◆沃尔顶—生产及销售：O型圈，星/X型圈，ED圈/管接头密封件，橡胶球，骨架油封，聚氨脂油封，铁氟龙挡环挡圈，组合垫圈，APA、PDU、LBH、MYA···橡胶平垫片及特殊橡胶件订做。◆沃尔顶—生产所用的橡胶原材料全部为进口胶料，有NBR、HNBR、SI、EPDM、FKM/VITON、PU、PTFE···</b> </span> </div> <!--foot_about --> <div class="Product"> <h2><i></i></h2> <a href="/" target="_blank" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage('Image1711','','/Templates/otp/images/map2.jpg',1)"><img src="/Templates/otp/images/map1.jpg" alt="" name="Image1711" border="0" id="Image1711" /></a> </div> <!--Product --> <div class="foot_Contact"> <h2><i></i></h2> <img src="/Templates/otp/images/contant.jpg" /> </div> <!--foot_Contact --> <div class="clear"></div> </div> <!--Center --> </div> <div class="footend"> <div class="headn"> <div class="fontendfont">Copyright © 2018 otp.net.cn ALL Rights Reserved<br> 安徽沃尔顶密封技术开发有限公司 版权所有<br /> 备案号: <a href="http://beian.miit.gov.cn/" target="_blank" rel="nofollow" style="color:#848484 ">皖ICP备19021684号-1</a><br /> <script type="text/javascript">var cnzz_protocol = (("https:" == document.location.protocol) ? " https://" : " http://");document.write(unescape("%3Cspan id='cnzz_stat_icon_1274028912'%3E%3C/span%3E%3Cscript src='" + cnzz_protocol + "s19.cnzz.com/stat.php%3Fid%3D1274028912%26show%3Dpic' type='text/javascript'%3E%3C/script%3E"));</script></div> <div class="fontewm"><img src="/Templates/otp/images/wx.png" width=67 height=67 alt=""></div> <div class="sys1"> <div class="sj">扫一扫<br>关注公众微信号 </div></div> <div class="fontewm"><img src="/Templates/otp/images/ewm.png" alt="" width=67 height=67></div> <div class="sys">Finded something good would be sharing it<br /> <div class="sj">手机扫一扫 网址即刻打包带走</div></div> <div class="foot_qq"> <ul> <li class="li01"><a href="/about/iqq.html" class="qqtc"><ins>qq联系</ins></a></li> <li class="li02"><a href="/about/weixin.html" title="微信" target="_blank"><ins>官方微信</ins></a></li> <li class="li03"><a href="https://weibo.com/2189185724/profile?topnav=1&wvr=6" target="_blank" title="官方微博"><ins>官方微博</ins></a></li> </ul> </div> <div class="clear"></div> </div> </div> <script src="/Templates/otp/js/wow.min.js"></script> <script type="text/JavaScript"> <!-- function MM_swapImgRestore() { //v3.0 var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc; } function MM_preloadImages() { //v3.0 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array(); var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++) if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}} } function MM_findObj(n, d) { //v4.01 var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) { d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);} if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n]; for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); if(!x && d.getElementById) x=d.getElementById(n); return x; } function MM_swapImage() { //v3.0 var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3) if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];} } //--> </script> <!--右侧导航--> <div class="pc-suspension"> <div class="suspension-show"> <div class="top" style="opacity: 1;"> <a href="#top" title="Top" ></a> </div> <a href="http://wpa.qq.com/msgrd?v=3&uin=2853511505&site=qq&menu=yes" class="suspension-show-one" target="_blank"> </a><a href="mailto:wx@otp.net.cn" class="suspension-show-two"></a><a class="suspension-show-three"> </a> <a href="javascript:" class="suspension-show-four" ></a> </div> <div class="suspension-hide-pho"> <p> 电话：0510-85899515<br /> 传真：0510-85899516<br/> 手机：13301510721</p> </div> <div class="suspension-hide-ewm"> <img src="/Templates/otp/images/erweima.gif" alt="" /></div> <script type="text/javascript"> $(".suspension-show-three").click(function () { $(".suspension-hide-ewm").css("display", "none"); $(".suspension-hide-pho").fadeToggle(); }) $(".suspension-show-four").click(function () { $(".suspension-hide-pho").css("display", "none"); $(".suspension-hide-ewm").fadeToggle(); }) </script> </div> <div style="font-size:1px; width:1300px; margin:0 auto; color:#ccc">免责声明：本网站（http://www.otp.net.cn/）内容主要来自网络及相关手册，凡在本网站出现的信息，均仅供参考。本网站将尽力确保所提供信息的准确性及可靠性，但不保证有关资料的准确性及可靠性，读者在使用前请进一步核实，并对任何自主决定的行为负责。本网站对有关资料所引致的错误、不确或遗漏，概不负任何法律责任。 本网站刊载的所有内容（包括但不仅限文字、图片、LOGO、音频、视频、软件、程序等）版权归原作者所有。任何单位或个人认为本网站中的内容可能涉嫌侵犯其知识产权或存在不实内容时，请及时通知本站，予以删除。<br>对于客人重复采购的产品，视为产品合格。</div> </div> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?81e827fca91fe1fadda65b24e0cd63a2"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> </body> </html>