</noscript> <script> function stop(){ return false; } document.oncontextmenu=stop; </script> <div class="container"> <!-- 头部 --> <div class="header"> <div class="you"><p>中文网站 | <a href="http://www.aocmachine.com/" rel="nofollow">英文网站</a></p></div> <div class="float_c w_1200" style="padding-bottom:15px;"> <div class="f_l"><img src="/templets/os/images/home/logo.jpg" alt="厂家logo"></div> <div class="f_r"> <div class="head_1"> <a class="head_a2" href="http://wpa.qq.com/msgrd?v=3&uin=540235112&site=qq&menu=yes" rel="nofollow"></a> <a class="head_a2" href="http://wpa.qq.com/msgrd?v=3&uin=3258677373&site=qq&menu=yes" rel="nofollow"></a> <span class="pos_r">177-6157-0021</span> <div class="float_c head_search"> <form name="formsearch" action="/plus/search.php" method="post" > <input type="hidden" name="kwtype" value="0" /> <input type="hidden" name="searchtype" value="1" /> <input name="q" type="text" value="在这里搜索..." onfocus="if(this.value=='在这里搜索...'){this.value='';}" onblur="if(this.value==''){this.value='在这里搜索...';}" > <button type="submit" title="搜索"></button> </form> </div> </div> <div class="head_2"> <ul class="f_r float_c fs_18"> <li><a href="/">奥程首页</a></li><li><a href="/product/">管件设备</a></li><li><a href="/video/">设备视频</a></li><li><a href="/news/list_1.html">奥程新闻</a></li><li><a href="/case/">奥程案例</a></li><li><a href="/service/">设备售后</a></li><li><a href="/guanyuoushang/">关于奥程</a></li><li><a href="/contact/">联系奥程</a></li> </ul> </div> </div> </div> <!-- 轮播图 --> <div class="home_banner"> <div class="pic_banner"> <ul> <li style="background: url(/templets/os/images/home/news.jpg) center no-repeat"> <a href="/kj/news/list_1.html"></a> </li> </ul> </div> <div class=" pos_a btn_banner txt_c"><ul class="float_c"></ul></div> </div> </div> <!-- 文章 --> <div class="article"> <!-- 产品中心 --> <div class="w_1200 product float_c"> <div class="product_nav f_l"> <strong>新闻中心</strong> <ul class="list_none"> <li> <span><a href="/kj/news/list_1.html">新闻中心</a></span> <i class="product_nav-on"></i> <div style="display: block"> <a href="/gsxw/">奥程动态</a> <a href="/hyxw/">管件设备资讯</a> </div> </li> </ul> <!--联系我们--> <div class="contact_info"> <div class="t"> <span>联系我们</span> </div> <div class="txt"> 联系电话：15230713671<br> QQ： 540235112<br> Email：15230713671@163.com <br> 地址：河北省沧州市孟村回族自治县泊北工业区 <p></p> </div> </div> </div> <div class="product_content f_r"> <div class="pd-1 float_c"> <div class="f_l fs_14 pos_r line_b">管件设备资讯</div> <div class="f_r fs_12"> 当前位置： <a href="http://www.aocsb.com/">主页</a><span>></span> <a href="/kj/news/list_1.html">新闻中心</a><span>></span> </div> </div> <div class="mt_10 news-datails"> <p class="fs_20 txt_c news-head-p">弯管机厂家对弯管机的设计和管子的受力计算</p> <h3> <img src="/uploads/180330/1-1P330102135W2-lp.jpg" style="margin-right: 10px; float: left; width: 180px; height: 180px;" /></h3> <p> <span style="font-size:36px;"><a href="http://www.aocsb.com">弯管机</a>厂家对弯管机的设计和管子的受力计算</span></p> <p> <span style="font-size:20px;">根据“弹塑性力学”教科书上的知识。</span></p> <p> <span style="font-size:20px;">这是一个力矩平衡方程，左边的是外力力矩，右边的是内力力矩，它等于应力对中性轴产生的力矩的整个截面上的积分。弯曲时，管子的轴线就是中心轴。</span></p> <p> <span style="font-size:20px;">若圆管的外径D、内径d，屈服极限OS，在曲率半径为R的靠模上进行弯管变形，因此，管子的内圈半径即为R。再设管子从发生弯曲变形的点到施力的点之距离为L，材料无硬化，则发生弯管变形时，整个洁面均进入塑性状态。</span></p> <p> <span style="font-size:20px;">故：P*L=2*Integral{2*x*DY*OS*y,0,D/2}-2*Integral{2*x*DY*OS*y,0,d/2}</span></p> <p> <span style="font-size:20px;"> ={D^3-d^3}*OS/6</span></p> <p> <span style="font-size:20px;"> P={D^3-d^3}*OS/[6*L]</span></p> <p> <span style="font-size:20px;"> 这就是材料无硬化 时弯管受力的大小。</span></p> <p> </p> <div class="float_c news-page fs_14"> <div class="f_l"> 上一篇：<a href='/hyxw/2069.html'>弯管机的使用和弯曲</a> </div> <div class="f_r"> 下一篇：<a href='/hyxw/2073.html'>弯头坡口机的液压系统以及工作原理</a> </div> </div> </div> </div> </div> </div> <div class="footer"> <div class="w_1200 float_c pos_r"> <div class="f_l"> <ul class="list_none footer_ul"> <li> <span>关于我们</span> <a href="/guanyuoushang/">关于奥程</a> <a href="/oushangfengcai/">企业文化</a> <a href="/shengchanshili/">生产实力</a> <a href="/fuwuliucheng/">服务流程</a> <a href="/fuwulinian/">服务理念</a> </li> <li> <span>设备列表</span> <a href="/bzdtbj/">弯头机系列</a> <a href="/qzdy1/">弯管机系列</a> <a href="/qzdt123/">扩管机系列</a> <a href="/qzdcm72/">三通机系列</a> <a href="/zsg523/">坡口机系列</a> <a href="/cjgg41/">液压机系列</a> <a href="/fbj43/">模具</a> </li> <li> <span>视频中心</span> <a href="/videoshi/">弯头机视频</a> <a href="/videomeifeng/">弯管机视频</a> <a href="/video2/">扩管机视频</a> <a href="/videobo/">三通机视频</a> <a href="/video3/">坡口机视频</a> <a href="/video5/">液压机视频</a> <a href="/video4/">模具视频</a> </li> <li> <span>新闻中心</span> <a href="/gsxw/">奥程动态</a> <a href="/hyxw/">管件设备资讯</a> </li> <li> <span>联系我们</span> <a href="/contact/">联系我们</a> <a href="http://www.aocsb.com/sitemap.html">网站地图</a> </li> </ul> </div> <div class="f_r scan txt_c fs_26 c_white"> <img height="200" width="200" src="/templets/os/images/home/wx.jpg" alt="微信扫一扫" > 微信扫一扫 </div> <div class="pos_a footer_share float_c"> <i class="share_xl -mob-share-weibo" title="新浪微博"></i> <i class="share_wx -mob-share-weixin" title="微信分享"></i> <i class="share_qq -mob-share-qq" title="qq分享"></i> </div> </div> <div class="foot pos_f"> <div class="w_1200 float_c c_white"> <span>沧州奥程机械设备有限公司</span> <i></i> <span>177-6157-0021</span> <!--<a class="head_a1 contact" target="_blank" href="http://amos.alicdn.com/getcid.aw?v=2&uid=%E6%AC%A7%E5%B0%9A%E7%A7%91%E6%8A%80%E8%B4%B4%E6%9C%BA&site=cntaobao&s=1&groupid=0&charset=utf-8"></a>--> </div> </div> </div> <script src="/templets/os/js/jquery.min.js"></script> <script src="/templets/os/js/jquery.lazyload.js"></script> <script src="/templets/os/js/jquery.SuperSlide.2.1.1.js?v=20160901"></script> <script src="/templets/os/js/public.js"></script> <!-- WPA Button Begin --> <!--<script charset="utf-8" type="text/javascript" src="http://wpa.b.qq.com/cgi/wpa.php?key=XzkzODAwMjA3Nl80MTY0NjFfNDAwMDE2ODUwM18"></script>--> <!-- WPA Button END --> <!-- WPA Button Begin --> <!--<script charset="utf-8" type="text/javascript" src="http://wpa.b.qq.com/cgi/wpa.php?key=XzkzODAwMjA3Nl80NDQ2NjlfNDAwMDE2ODUwM18"></script>--> <!-- WPA Button End --> <!-- WPA Button Begin --> <!-- WPA Button End --> <!-- 百度统计 --> </div> <script src="js/jquery.min.js"></script> <!-- jq插件 --> <script src="js/jquery.SuperSlide.2.1.1.js?v=20160901"></script> <!-- 轮播图插件 --> <script src="js/public.js"></script> </body> </html>