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float: left; width: 180px; height: 180px;" /></h3> <div> <h3> <span style="font-size:36px;">彎管機的外觀工藝特點介紹</span></h3> </div> <div> <span style="font-size:20px;">我們公司生產(chǎn)的<a href="http://www.hbjjhltu.cn">彎管機</a>進行管材的彎曲和板料的彎曲一樣。在純彎曲的情況下，外徑為D，壁厚為3-120mm的管子受外力矩 M的作用發(fā)生彎曲時，中性層外側(cè)管壁受拉應(yīng)力作用，管壁變?。恢行詫觾?nèi)側(cè)管壁受拉應(yīng)力作用，管壁變厚。而且，橫截面的形狀由于受合力和作用由圓形變?yōu)榻茩E圓形，當(dāng)變形量過大時，外側(cè)管壁會產(chǎn)生裂紋，內(nèi)側(cè)管壁會出現(xiàn)起皺。</span></div> <div> <span style="font-size:20px;">管材的變形程度，取決于相對彎曲半徑R／D和相對厚度t／D數(shù)值的大小。R／D和t／D值越小，表示變形程度越大。為保證管件成形質(zhì)量，必須控制變形程度在許可范圍內(nèi)，管材彎曲成形限制和取決于材料的力學(xué)性能和彎曲方法，而且還考慮管件的使用要求。管件的成形極限應(yīng)包含以下幾個內(nèi)容：</span></div> <div> <span style="font-size:20px;">中性層外側(cè)拉伸變形區(qū)內(nèi)大的伸長變形不超過材料塑性允許值而產(chǎn)生破裂；</span></div> <div> <span style="font-size:20px;">中性層內(nèi)側(cè)壓縮變形區(qū)內(nèi)，受切向壓應(yīng)力作用的薄壁結(jié)構(gòu)部分不致超過失穩(wěn)而起皺；</span></div> <div> <span style="font-size:20px;">如果管件有橢圓度的要求時，控制其斷面產(chǎn)生畸變；</span></div> <div> <span style="font-size:20px;">如果管件有承受內(nèi)壓力的強度要求時，控制其壁厚減薄的成形的限制。</span></div> <div> <span style="font-size:20px;">本公司主要生產(chǎn)各種型號和材質(zhì)的<a href="http://www.hbjjhltu.cn">彎管機</a>，彎頭機，三通機，擴管機，壓力機，坡口機，直縫焊管生產(chǎn)線等管件設(shè)備。歡迎需要的客戶咨詢訂購！</span></div> <div id="6dgsfj3" class="float_c news-page fs_14"> <div id="dkvhsu4" class="f_l"> 上一篇：<a href='/hyxw/2413.html'>熱推中頻彎頭機的介紹</a> </div> <div id="dkoiuy9" class="f_r"> 下一篇：<a href='/hyxw/2415.html'>壓力機在管件中的作用是壓制成型</a> </div> </div> </div> </div> </div> </div> <div id="7pj7i8s" class="footer"> <div id="ipjehcx" class="w_1200 float_c pos_r"> <div id="nm83z2w" 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/">彎頭機系列</a> <a href="/qzdy1/">彎管機系列</a> <a href="/qzdt123/">擴管機系列</a> <a href="/qzdcm72/">三通機系列</a> <a href="/zsg523/">坡口機系列</a> <a href="/cjgg41/">液壓機系列</a> <a href="/fbj43/">模具</a> </li> <li> <span>視頻中心</span> <a href="/videoshi/">彎頭機視頻</a> <a href="/videomeifeng/">彎管機視頻</a> <a href="/video2/">擴管機視頻</a> <a href="/videobo/">三通機視頻</a> <a href="/video3/">坡口機視頻</a> <a href="/video5/">液壓機視頻</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://www.hbjjhltu.cn/sitemap.html">網(wǎng)站地圖</a> </li> </ul> </div> <div id="8oaeicx" 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="2qb72vq" 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="8yse82x" class="foot pos_f"> <div id="kjdgkfj" class="w_1200 float_c c_white"> <span>滄州奧廣機械設(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 --> </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://www.hbjjhltu.cn/" title="国产一级二级三级大片-午夜国产精品毛片-亚洲欧美国产91-亚洲综合久久国产-国产精品日韩毛片">国产一级二级三级大片-午夜国产精品毛片-亚洲欧美国产91-亚洲综合久久国产-国产精品日韩毛片</a> <div class="friend-links"> <a href="http://m.szrhgdz.cn/">欧美一区二区三区在线免费看|九九久久亚洲av东方伊甸园|成人日韩熟女高清视频一区|久久久亚洲综合久久久久网站|亚洲精品成年人视频在线观看</a> <a href="http://nongbing.com.cn/">欧美一区二区视频在线免费观看|www.日韩av中文字幕|亚洲精品免费在线视频观看|国产伊人这里只有精品视频|亚洲精品在线观看完整视频</a> </div> </div> </footer> <script> (function(){ var bp = document.createElement('script'); 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