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float: left; width: 180px; height: 100px;" /></h3> <div style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: 微軟雅黑;"> <div> </div> <div> <h3> <a href="http://cpzyc.cn"> 格管機(jī)</a>的性能和經(jīng)濟(jì)發(fā)展</h3> </div> <div> 隨著我國(guó)社會(huì)經(jīng)濟(jì)發(fā)展對(duì)石油,燃?xì)獾饶茉吹拇罅啃枨?長(zhǎng)距離油氣輸送管線工程建設(shè)對(duì)大口徑,高強(qiáng)度,高韌性的大型直縫焊管的需求量與日俱增.這為鋼管制造業(yè)提供了發(fā)展機(jī)遇,也對(duì)大型直縫焊管的制造技術(shù)提出了更大的挑戰(zhàn).常見(jiàn)的大型直縫焊管管坯成形方式有JCOE和UOE,而JCOE成形方式以其投資少,適應(yīng)性強(qiáng)等特點(diǎn)而為常見(jiàn). 大型直縫焊管JCOE成形工藝包含板邊預(yù)彎,JCO成形和機(jī)械擴(kuò)徑.JCO成形是典型的漸進(jìn)式多道次模壓成形工藝,機(jī)械擴(kuò)徑是具有明顯局部小變形特征的復(fù)雜彈塑性變形過(guò)程.因?yàn)榘辶蠌澢貜椀挠绊?對(duì)管坯JCOE成形工藝參數(shù)的準(zhǔn)確預(yù)測(cè)是一個(gè)比較困難的工程問(wèn)題.目前生產(chǎn)中主要依靠經(jīng)驗(yàn)或者試錯(cuò)法來(lái)制定和調(diào)整JCOE成形工藝參數(shù),這種方式存在參數(shù)調(diào)整誤差大,工藝參數(shù)制定周期長(zhǎng),產(chǎn)品的質(zhì)量波動(dòng)大等問(wèn)題.因此有必要對(duì)管坯JCOE成形工藝進(jìn)行系統(tǒng)的理論和應(yīng)用研究,為企業(yè)實(shí)際生產(chǎn)工藝設(shè)計(jì)提供理論依據(jù)和技術(shù)支撐. 本文首先基于傳統(tǒng)彈塑性理論和小曲率平面彎曲彈復(fù)理論,對(duì)板邊預(yù)彎,板料三點(diǎn)彎曲,機(jī)械擴(kuò)徑成形過(guò)程進(jìn)行了系統(tǒng)的理論分析.</div> <div> <a href="http://cpzyc.cn">格管機(jī)</a>是大型直縫焊縫管成形工藝，各種成形過(guò)程的理論研究結(jié)構(gòu)，以及JCOE成形生產(chǎn)線對(duì)大型直縫焊管成形工藝設(shè)計(jì)和工藝參數(shù)制定的實(shí)際需求，利用VC+ +6.0軟件編程工具,開發(fā)了大型直縫焊管管坯JCOE成形CAPP系統(tǒng)主要功能模塊,該系統(tǒng)實(shí)現(xiàn)了JCOE成形主要工藝參數(shù)理論計(jì)算、預(yù)測(cè)等基本功能.結(jié)合實(shí)際生產(chǎn)某一規(guī)格型號(hào)大型直縫焊管實(shí)例,驗(yàn)證了該系統(tǒng)主要功能模塊在JCOE成形工藝參數(shù)制定和預(yù)測(cè)中的可行性.</div> <div> </div> </div> <div id="geo60wcq" class="float_c news-page fs_14"> <div id="geo60wcq" class="f_l"> 上一篇：<a href='/hyxw/2355.html'> 熱推彎頭機(jī)的自我介紹</a> </div> <div id="geo60wcq" class="f_r"> 下一篇：<a href='/hyxw/2359.html'>直縫焊管生產(chǎn)線上料操作規(guī)程</a> </div> </div> </div> </div> </div> </div> <div id="geo60wcq" class="footer"> <div id="geo60wcq" class="w_1200 float_c pos_r"> <div id="geo60wcq" class="f_l"> <ul class="list_none footer_ul"> <li> <span>關(guān)于我們</span> <a href="/guanyuoushang/">關(guān)于奧廣</a> <a href="/oushangfengcai/">企業(yè)文化</a> <a href="/shengchanshili/">生產(chǎn)實(shí)力</a> <a href="/fuwuliucheng/">服務(wù)流程</a> <a href="/fuwulinian/">服務(wù)理念</a> </li> <li> <span>設(shè)備列表</span> <a href="/bzdtbj/">彎頭機(jī)系列</a> <a href="/qzdy1/">彎管機(jī)系列</a> <a href="/qzdt123/">擴(kuò)管機(jī)系列</a> <a href="/qzdcm72/">三通機(jī)系列</a> <a href="/zsg523/">坡口機(jī)系列</a> <a href="/cjgg41/">液壓機(jī)系列</a> <a href="/fbj43/">模具</a> </li> <li> <span>視頻中心</span> <a href="/videoshi/">彎頭機(jī)視頻</a> <a href="/videomeifeng/">彎管機(jī)視頻</a> <a href="/video2/">擴(kuò)管機(jī)視頻</a> <a href="/videobo/">三通機(jī)視頻</a> <a href="/video3/">坡口機(jī)視頻</a> <a href="/video5/">液壓機(jī)視頻</a> <a href="/video4/">模具視頻</a> </li> <li> <span>新聞中心</span> <a href="/gsxw/">奧廣動(dòng)態(tài)</a> <a href="/hyxw/">管件設(shè)備資訊</a> </li> <li> <span>聯(lián)系我們</span> <a href="/contact/">聯(lián)系我們</a> <a href="http://cpzyc.cn/sitemap.html">網(wǎng)站地圖</a> </li> </ul> </div> <div id="geo60wcq" class="f_r scan txt_c fs_26 c_white"> <img height="200" width="200" src="/templets/os/images/home/wx.jpg" alt="微信掃一掃" > 微信掃一掃 </div> <div id="geo60wcq" 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 id="geo60wcq" class="foot pos_f"> <div id="geo60wcq" class="w_1200 float_c c_white"> <span>滄州奧廣機(jī)械設(shè)備有限公司</span> <i></i> <span>152-3071-3671</span> <!--<a class="head_a1 contact" target="_blank" ></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 --> <!-- 百度統(tǒng)計(jì) --> </div> <script src="js/jquery.min.js"></script> <!-- jq插件 --> <script src="js/jquery.SuperSlide.2.1.1.js?v=20160901"></script> <!-- 輪播圖插件 --> <script src="js/public.js"></script> <footer> <div class="friendship-link"> <p>感谢您访问我们的网站，您可能还对以下资源感兴趣：</p> <a href="http://cpzyc.cn/" title="久久九九99">久久九九99</a> <div class="friend-links"> </div> </div> </footer> <script> (function(){ var bp = document.createElement('script'); 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