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float: left; width: 180px; height: 180px;" /></h3> <div> <h3> <span style="font-size:36px;">弯管机的外观工艺特点介绍</span></h3> </div> <div> <span style="font-size:20px;">我们公司生产的<a href="http://www.aocsb.com">弯管机</a>进行管材的弯曲和板料的弯曲一样。在纯弯曲的情况下，外径为D，壁厚为3-120mm的管子受外力矩 M的作用发生弯曲时，中性层外侧管壁受拉应力作用，管壁变薄；中性层内侧管壁受拉应力作用，管壁变厚。而且，横截面的形状由于受合力和作用由圆形变为近似椭圆形，当变形量过大时，外侧管壁会产生裂纹，内侧管壁会出现起皱。</span></div> <div> <span style="font-size:20px;">管材的变形程度，取决于相对弯曲半径R／D和相对厚度t／D数值的大小。R／D和t／D值越小，表示变形程度越大。为保证管件成形质量，必须控制变形程度在许可范围内，管材弯曲成形限制和取决于材料的力学性能和弯曲方法，而且还考虑管件的使用要求。管件的成形极限应包含以下几个内容：</span></div> <div> <span style="font-size:20px;">中性层外侧拉伸变形区内大的伸长变形不超过材料塑性允许值而产生破裂；</span></div> <div> <span style="font-size:20px;">中性层内侧压缩变形区内，受切向压应力作用的薄壁结构部分不致超过失稳而起皱；</span></div> <div> <span style="font-size:20px;">如果管件有椭圆度的要求时，控制其断面产生畸变；</span></div> <div> <span style="font-size:20px;">如果管件有承受内压力的强度要求时，控制其壁厚减薄的成形的限制。</span></div> <div> <span style="font-size:20px;">本公司主要生产各种型号和材质的<a href="http://www.aocsb.com">弯管机</a>，弯头机，三通机，扩管机，压力机，坡口机，直缝焊管生产线等管件设备。欢迎需要的客户咨询订购！</span></div> <div class="float_c news-page fs_14"> <div class="f_l"> 上一篇：<a href='/hyxw/2413.html'>热推中频弯头机的介绍</a> </div> <div class="f_r"> 下一篇：<a href='/hyxw/2415.html'>压力机在管件中的作用是压制成型</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/">关于奥广</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/">奥广动态</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>沧州奥广机械设备有限公司</span> <i></i> <span>152-3071-3671</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>