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<li><a href="/jkzd/">q口钻铤</a></li> <li><a href="/140syzg/">140xaL</a></li> <li><a href="/127syzg/">127xaL</a></li> <li><a href="/114syzg/">114xaL</a></li> <li><a href="/89syzg/">89xaL</a></li> <li><a href="/102syzg/">102xaL</a></li> </ul> </div> <div class="inSide"> <div class="inTit fs16 font_w">联系我们</div> <div class="inContact"> <img src="/template/NEST60006/images/contact.jpg" /> <span class="db fs14 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/zgjs/">L技?/a> > 详细内容 </em> </div> <div class="content"> <div class="news_arc"> <h1>地质L生厂家防止螺纹牙断裂的措施是什么?</h1> <h2>发布旉Q?019-07-09</h2> <h2>来源Q?a href='http://www.couivm.tw/news/312.html'>http://www.couivm.tw/news/312.html</a></h2> <h3>螺纹牙断裂失效约占钻杆失效的70%Q根据螺U牙断裂失效的原因分析,<a href="http://www.couivm.tw/" target="_blank">地质L生厂家</a>为大家分享螺U牙断裂的措施?br /> Q?Q加工螺UҎQ要避免在螺U终端(退刀处)产生不完全螺U,防止在该处生应力集中,致螺纹牙疲劳破坏?br /> <p> Q?Q在接箍底部和外螺纹内端部采取合适的密封措施Q尽量避免管道内的流质进入螺UҎ合处Q减腐性磨损,防止螺纹牙锈蚀而导致其强度不?</p> <p style="text-align:center;"> <img src="/uploads/image/20190709/20190709181410_4584.jpg" alt="地质L生厂家" /> </p> Q?Q对加工出的螺纹q行线或者磁_探伤等无损,及时发现道螺纹部位的表面和内部~陷Q避免有~陷的螺UҎ下井?br /> Q?Q选用大小合适的扭矩旋紧螺纹Q避免因预紧力过大而超UҎ料的强度极限造成螺纹牙折断?br /> <div> <span style="color:#333333;font-family:Arial, "font-size:14px;line-height:28px;">Ȯ阳市中泰石沚wh限公司?/span><span style="font-size:14px;color:#333333;font-family:Arial, "line-height:28px;"><b>xaL</b></span><span style="color:#333333;font-family:Arial, "font-size:14px;line-height:28px;">专业生厂家Q经营范围包括新旧石沚w杆?a href="/eszg/" target="_blank">二手L</a>?/span><span style="font-size:14px;color:#333333;font-family:Arial, "line-height:28px;"><b>q口L</b></span><span style="color:#333333;font-family:Arial, "font-size:14px;line-height:28px;">、地质钻杆?/span><a href="http://www.couivm.tw/dytg/" target="_blank">xa套管</a><span style="color:#333333;font-family:Arial, "font-size:14px;line-height:28px;">{设备?/span><br /> </div></h3> <p><a href="http://www.couivm.tw">xaL</a><font color="red">,</font><a href="http://www.couivm.tw">q口L</a><font color="red">,</font><a href="http://www.couivm.tw">地质L生厂家</a>-<a href="http://www.couivm.tw">Ȯ阳中泰xad</a></p> <div class="newArtiNext"><div>上一?<a href="313.html"> 分析地质L产品有何优势之处Q?/a></div> <div>下一?<a href="311.html">xa套管的用途有哪些呢?</a></div> </div> </div> <div class="tag">相关标签Q?a href='/key.aspx?k=%b5%d8%d6%ca%d7%ea%b8%cb%c9%fa%b2%fa%b3%a7%bc%d2'>地质L生厂家</a>,<a href='/key.aspx?k=%ca%af%d3%cd%d7%ea%b8%cb'>xaL</a>,<a href='/key.aspx?k=%bd%f8%bf%da%d7%ea%b8%cb'>q口L</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> <li><a href="/news/318.html" target=""> 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