?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 【图文】石沚w杆出现断裂_xaL生公司 - Ȯ阳市中泰石沚wh限公?/title> <meta name="Keywords" content=""> <link type="text/css" href="/template/NEST60006/lib/base.css" rel="stylesheet"/> <link type="text/css" href="/template/NEST60006/lib/common.css" rel="stylesheet"/> <script src="/template/NEST60006/js/jquery-1.8.0.min.js"></script> <script src="/template/NEST60006/js/foucsbox.js"></script> <script src="/template/NEST60006/js/tpl.js"></script> <script src="/template/NEST60006/js/message_zh.js"></script> <script src="/template/NEST60006/js/message_zh-cn.js"></script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div style="position:fixed;left:-9000px;top:-9000px;"><td id="7o12g"></td><delect id="7o12g"></delect><object id="7o12g"><p id="7o12g"><li id="7o12g"></li></p></object><b id="7o12g"><kbd 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col_6 fb">Ȯ阳市中泰石沚wh限公?/span> <p>联系人:张经? 18238395888</p> <p>?nbsp;   话:18238395888</p> <p>?nbsp;   真:</p> <p>?nbsp;   址Q河南省Ȯ阳市北环\开发区</p> </div> </div> </div> <div class="inRight fr mt15"> <div class="inProTit"> <span class="fl"><b>新闻详细</b></span> <em class="fr"><a href="/">首页</a> > <a href="/news/">新闻信息</a> > 详细内容 </em> </div> <div class="content"> <div class="news_arc"> <h1>【图文】石沚w杆出现断裂_xaL生公司</h1> <h2>发布旉Q?019-04-25</h2> <h2>来源Q?a href='http://www.freeappco.com/news/304.html'>http://www.freeappco.com/news/304.html</a></h2> <h3>生活中的很多行业的发展与<b>xaL</b>都是M开的,有时候一些行业所在的领域都有自己的品牌,今天q地给大家介绍一下濮阛_中泰xad有限公司<p style="text-indent:2em;"> q沚w杆的工作环境及受力情况分析,L的主要失效Ş式有断裂、塑性变形(如弯Ԍ、丝扣严重磨损等。其中以断裂q种失效形式最Z重。这U失效Ş式表Cؓ当钻杆头部的轴肩处承受较大的扭{作用及冲d作用ӞL便会在此处发生断裂。断裂发生后Q三牙钻头由于和外界失去了连接,只能留在地层而无法取出,而三牙钻头的造h又相当昂贵,q样׃l客户带来相当大的损失?/p><p style="text-indent:2em;"> 出现断裂的原因往往是由于钻杆头部u肩处与管体相q接的地方硬度较高,塑性和韧性较差。通过金相l织的分析,q一部分的回火烦氏体l织Q淬?高温回火得到的组l)的晶_度{通常不在要求的等U范围之_q种情况的生与淬火q程有着极大的联pR?/p><p style="text-indent:2em;"> 除断裂外Q还有就是弯曌Ӏ即L的杆体部分发生塑性变形。当体弯曲的弧度较大,过体的弹性极限时Q管体则发生塑性变形。钻杆发生塑性变形对客户的媄响较,没有断裂产生的媄响严重,只需要经q校_卛_以L恢复Q然后再ơ重新投入用,之所以会发生塑性变形,q也跟钻杆的淬火调质处理有着密切的关pR若调质的钻杆硬度较低,l织中回火烦氏体l织较少或烦氏体晶粒较ؓ_大Q层片间距较大,则钻杆的塑性,韧性就差,那么出现弯曲也就在所隑օ了?/p><p style="text-indent:2em;"> L丝扣的磨损现象是与丝扣的表面度有关Q这与品在镀铬处理过E中的质量有养I与调质处理无关石油,xaL出现断裂在此不再作进一步分析?/p><p style="text-align:center;"><img alt="【图文】石沚w杆出现断裂_xaL生公司" src="http://cmsimgshow.zhuchao.cc/23774/201702041601401452377487265.jpg?path=www.freeappco.com/uploads/cp/201702041601401452377487265.jpg" style="width:480px;height:336px;"/></p><p style="text-indent:2em;"> <span style="color:#FF0000;">您或许感兴趣的文章:</span> </p> <p> <br /> </p><p style="text-indent:2em;"> Ȯ阳市中恒石沚wh限公司—石沚w杆专业生产厂Ӟl营范围包括新旧xaL、二手钻杆?b>q口L</b>、地质钻杆?a href="/dytg/" target="_blank">xa套管</a>{设备。公叔R期坚持走质量效益型道路,持箋深入推进_生Q积极构{民族石沚wL品质和品牌优ѝ和信公司凭借着独具特色的企业文化,实现了连l?2q的飞速发展,受到了中矛_Q中xa众多油田的深切关怀和高度重视?/p><p style="text-indent:2em;"> 面向未来Q公司将始终保持“藐视一切困难,敢于竞争Q敢于胜利”的新红军精,始终如一的坚持“诚信至上,以和”的核心理念Q创新发展自d牌,振兴名族xad工业Q成Z界一石沚w具制造厂商?/p><p style="text-indent:2em;"></p>以上所介绍的几点就是有关“石沚w杆生产公司”的Q相信看了本文的介绍后,对这斚w也会有自q一番认识,以后针对xaL{问题也能很好的解决。在q里Q我们推荐您多了解石沚w杆、濮阛_中泰xad有限公司{有关的讯息Q希望对您有所帮助Q?/h3> <p><a href="http://www.freeappco.com">xaL</a><font color="red">,</font><a href="http://www.freeappco.com">q口L</a><font color="red">,</font><a href="http://www.freeappco.com">地质L生厂家</a>-<a href="http://www.freeappco.com">Ȯ阳中泰xad</a></p> <div class="newArtiNext"><div>上一?<a href="305.html">在安装地质钻杆时需要注意哪些因素?</a></div> <div>下一?<a href="303.html">【图文】石沚w杆出现断裂_xaL生公司</a></div> </div> </div> <div class="tag">相关标签Q?a href='/key.aspx?k=%d7%ea%b8%cb'>L</a>,<a href='/key.aspx?k=%ca%af%d3%cd'>xa</a>,<a href='/key.aspx?k=%b6%cf%c1%d1'>断裂</a>,<a href='/key.aspx?k=%cb%dc%d0%d4'>塑?/a>,<a href='/key.aspx?k=%b7%a2%c9%fa'>发生</a>,</div> <div class="relate"> <div class="inProTit"> <span class="fl"><b>相关新闻</b></span> </div> <div class="inNewsCon"> <ul class="insProList"> <li><a href="/news/319.html" target="">地质L生厂家分析在钻杆生产中存在哪些问题Q?/a><span>2019-09-11</span></li> 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