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<a href="/web/20180826183332/http://hxft1.com/html/xwzx/">新闻中心</a> &gt; </div> <!-- weizi结束 --> <div id="DocContent"> <h1 class="doc_title">非标开孔封头具体生产介绍 </h1> <ul class="doc_value"><li>时间:2018-05-22 17:00</li> <li>信息来源:未知</li> <li>点击:<script src="/web/20180826183332js_/http://hxft1.com/cj/count.php?view=yes&amp;aid=1328&amp;mid=1" type="text/javascript" language="javascript"></script> 次</li> </ul><div class="content"> <!-- 文章内容开始 --> <div> 开孔封头的设计尺度大直径容器封头的制造工艺以直径为DN5800mm的06Cr13+Q345R不锈复合板容器为例,先容了大直径马氏体不锈复合钢板压力容器的制造过程和质量控制,重点描述了马氏体复合钢板的材料控制,封头的热压成型及分瓣和组焊,筒体的成型、焊接、分片和现场组焊。本尺度既包容了按规则设计(与JB150配套)的封头,也包容了按分析设计(与JB4732配套)的封头,在我国首次实现了对钢制压力容器用封头的同一质量要求。作者在多年的压力容器设计中,深感不少设计职员在尺度件的设计选型上存在诸多欠缺,特撰文对这些尺度件的选型、结构设计及其留意事项进行了具体的分析与说明,以期对压力容器设计职员有一定的参考作用。</div><div>  </div><div>   开孔封头和罐体对接偏差尺寸分析通过分析,以为其原因是因为封头刚性大,拘束度大,焊接位移小,因而导致焊按时受热膨胀,而封头与简节热膨胀量不一致,造成焊接错边,发生超标现象。采取以上措施后,通过实践工作验证,完全能保证焊接后对接偏差符合《蒸规》和《热规》中的有关要求。在封头冲压过程中各部门的应力状态和变形情况都不同。这些尺度件的选择及其结构的设计,直接影响压力容器的设计质量。</div><div>  </div><div>  </div><div> 开孔封头的设计尺度将不同结构型式、不同制造方法的封头同时纳入本尺度,并提出同一的制造、检修与验收要求,这对全面进步各种封头的质量是必要的。将本尺度的正文(主要是封头的制造、检修与验收要求)作为强制性条文,而将本尺度的附录(主要是各类型封头的尺寸、内表面积、容积、质量等)作为指导性内容,这既有利于对影响产品使用安全的各种质量要素同一要求,也给尺度使用者对不影响安全的各类因素有选择的空间,使他们根据实际需要,既可按本尺度选取,也可按相应的设计尺度,自行设计计算。</div><div>  </div><div style="text-align: center;"> <img alt="" src="/web/20180826183332im_/http://hxft1.com/uploads/allimg/180522/1-1P5221F33M35.jpg" style="width: 500px; height: 665px;"></div> <!-- 文章内容结束 --> </div> </div> <!-- DocContent结束 --> <div id="PrevNext"> <p>上一篇:<a href="/web/20180826183332/http://hxft1.com/html/xwzx/20180505/1327.html">不同封头的生产与设计宏鑫封头厂家</a> </p> <p>下一篇:<a href="/web/20180826183332/http://hxft1.com/html/xwzx/20180621/1329.html">旋压封头成型由于生产温度以形成热的旋压成形</a> </p> </div></article></div><span class="clear"></span><div style="height:20px"> </div><span class="claer"> </span> <footer id="footer"><ul class="bomnav"><li><a href="/web/20180826183332/http://hxft1.com/">官网首页</a></li> <li><a href="/web/20180826183332/http://hxft1.com/html/cpzx/">产品中心</a></li> <li><a href="/web/20180826183332/http://hxft1.com/html/gsjj/">公司简介</a></li> <li><a href="/web/20180826183332/http://hxft1.com/html/xwzx/">新闻中心</a></li> <li><a href="/web/20180826183332/http://hxft1.com/html/jswz/">技术文章</a></li> <li><a href="/web/20180826183332/http://hxft1.com/html/shfw/">售后服务</a></li> <li><a href="/web/20180826183332/http://hxft1.com/html/cfsbzs/">厂房设备展示</a></li> <li><a href="/web/20180826183332/http://hxft1.com/html/zxly/">在线留言</a></li> <li><a href="/web/20180826183332/http://hxft1.com/html/lxwm/">联系我们</a></li> </ul><span class="clear"></span> <div class="center"> <div class="box"> <p> Copyright ©2016 河北盐山宏鑫封头管件制造厂 版权所有 <script type="text/javascript">var cnzz_protocol = (("https:" == document.location.protocol) ? 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