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<script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body> <h1><a href="http://www.yy4080ys.com/">91精品国产自在现不卡,午夜免费福利小电影,91色在线 | 国产,欧美A视频</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><output id="bf54f"><em id="bf54f"><rt id="bf54f"></rt></em></output><em id="bf54f"></em><em id="bf54f"></em><strong id="bf54f"><pre id="bf54f"></pre></strong><rt id="bf54f"><noscript id="bf54f"><pre id="bf54f"></pre></noscript></rt><thead id="bf54f"><cite id="bf54f"><center id="bf54f"></center></cite></thead><ol id="bf54f"><legend id="bf54f"><meter id="bf54f"></meter></legend></ol><form id="bf54f"><meter id="bf54f"></meter></form><rt id="bf54f"></rt><del id="bf54f"></del><s id="bf54f"><tr id="bf54f"><meter id="bf54f"></meter></tr></s><div id="bf54f"><var id="bf54f"></var></div><noscript id="bf54f"></noscript><th id="bf54f"></th><sup id="bf54f"></sup><fieldset id="bf54f"></fieldset><sup id="bf54f"></sup><track id="bf54f"></track><tr id="bf54f"></tr><small 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class="4qgu8as" id="showmsg_head"> </div> <div id="aoce4ea" class="all_now_position" style="margin-top: 10px;"> 您所在的位置:<a href="http://www.yy4080ys.com">總站首頁</a> ><a href="http://www.yy4080ys.com">北極信息港</a> >冷拔鋼管-冷拔鋼管本地廠家 </div>  <div class="eyycyko" id="showmsg">  <div class="28wio4c" id="showmsg_left"> <div class="cmaskwa" id="showmsg_title"> <h1>冷拔鋼管-冷拔鋼管本地廠家</h1> </div> <div id="kwwu2wi" class="showmsg_contentall"> <div class="q8kgqqi" id="showmsg_content_top"> </div> <div class="myaem8e" id="showmsg_companymsg"> <ul> <li> 公司:<strong><a href="/changdusywy" target="_blank"> 盛億偉業(yè)金屬制品(昌都市分公司)</a></strong> </li> <li>價格:電聯(lián)</li> <li id="lxr">聯(lián)系人:桑航</li> <li>更新時間:2025-07-25 12:14:59<span id="gswesgi" class="weather"> ip歸屬地：昌都，天氣：小雨，溫度：8-27</span> 瀏覽次數(shù):9</li> <li>所在地:昌都 </li> <li>標題:<strong><a href="#">冷拔鋼管-冷拔鋼管本地廠家</a></strong></li> <li> 來源: <span>sywy</span> </li> <div id="uua0q0u" class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_qzone" data-cmd="qzone" title="分享到QQ空間"></a> <a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a> <a href="#" class="bds_tqq" data-cmd="tqq" title="分享到騰訊微博"></a> <a href="#" class="bds_renren" data-cmd="renren" title="分享到人人網(wǎng)"></a> <a href="#" class="bds_weixin" data-cmd="weixin" title="分享到wx"></a> </div> </ul> <div id="eaygeie" class="tu"> <div id="2m6ygyo" class="t_left1213"> <div id="24mgcc0" class="pimgbig"><img src="http://2024aiimg.qy55.com//cjjhb_soft/170/1272/202402220401026513.jpg" id="pimgbig" alt="冷拔鋼管-冷拔鋼管本地廠家"></div>  <div id="4qcyekg" class="playvideo"><img src="/images/play.png" /></div> <div id="o8uei2u" class="pvideo"> <video id="pmp4" controls="" controlslist="nodownload" src="http://img.cjjhb.com/pub_soft/170/1272_13.mp4" type="video/mp4" preload="none"></video> </div>  <ul class="pimgsmall"> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/170/1272/202402220401026513.jpg" alt="冷拔鋼管-冷拔鋼管本地廠家"></li> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/170/1272/202402220403042032.jpg" alt="冷拔鋼管-冷拔鋼管本地廠家"></li> <li><img src="http://2024aiimg.qy55.com//cjjhb_soft/170/1272/202402220401100578.jpg" alt="冷拔鋼管-冷拔鋼管本地廠家"></li> </ul> </div> </div> </div> <div class="06g8ecg" id="showmsg_content"> <div id="8wocug0" class="new-cont-box new-cont-box-300"> <div id="mekcy4o" class="new-info-box"> <pre> <hr> <div id="0scyies" class="ty-tips1212">以下是:西藏昌都市冷拔鋼管-冷拔鋼管本地廠家的產(chǎn)品參數(shù) </div> <div id="guq66ck" class="newcanshubox"> <table><tbody><tr><th>產(chǎn)品價格</th><td>電議</td></tr><tr><th>發(fā)貨期限</th><td>電議</td></tr><tr><th>供貨總量</th><td>電議</td></tr><tr><th>運費說明</th><td>電議</td></tr><tr><th>范圍</th><td>冷拔鋼管-冷拔鋼管本地供應范圍覆蓋<a href="http://www.yy4080ys.com/3000170">西藏</a>、<a href="http://www.yy4080ys.com/30200170">拉薩市</a>、<a href="http://www.yy4080ys.com/30300170">昌都市</a>、<a href="http://www.yy4080ys.com/30400170">阿里市</a>、<a href="http://www.yy4080ys.com/30500170">林芝市</a>、<a href="http://www.yy4080ys.com/30600170">那曲市</a>、<a href="http://www.yy4080ys.com/30700170">日喀則市</a>、<a href="http://www.yy4080ys.com/30800170">山南市</a> <a href="http://www.yy4080ys.com/238500170">江達縣</a>、<a href="http://www.yy4080ys.com/238600170">貢覺縣</a>、<a href="http://www.yy4080ys.com/238700170">類烏齊縣</a>、<a href="http://www.yy4080ys.com/238800170">丁青縣</a>、<a href="http://www.yy4080ys.com/238900170">察雅縣</a>、<a href="http://www.yy4080ys.com/239000170">八宿縣</a>、<a href="http://www.yy4080ys.com/239100170">左貢縣</a>、<a href="http://www.yy4080ys.com/239200170">芒康縣</a>、<a href="http://www.yy4080ys.com/239300170">洛隆縣</a>、<a href="http://www.yy4080ys.com/239400170">邊壩縣</a>等區(qū)域。</td></tr></tbody> </table> </div> <div id="m4eqaqc" class="_hnyd3w2aqb"></div><div id="06gaaek" class="cont-tips">【盛億偉業(yè)】為客戶提供多樣化產(chǎn)品，包括<a href="http://www.yy4080ys.com/jiangda-sywy-170">江達精密鋼管廠家直營</a>、<a href="http://www.yy4080ys.com/mangkang-sywy-170">芒康精密鋼管今日新品</a>、<a 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（1）正確調整穿孔、軋管工藝參數(shù)，提高軋輥等工模具精度，使坯料及荒管在穿孔和軋管過程中變形均勻。 </p> <p> （2）調整好定心位置，安裝一個托輥裝置，使頂頭能對準坯料中心，避免穿孔偏心。 </p> <div id="gco82ue" class="para"> （3）安裝調整好抱輥，將頂桿抱緊，防止頂桿下沉。 </div> <div id="ckgaqe0" class="para"> （4）進行設備定修制，使設備保持完好狀態(tài)，保證毛管壁厚精度。 </div> <div id="wq6se42" class="para"> （5）加強管理，經(jīng)常測量毛管壁厚，發(fā)現(xiàn)問題及時調整。 </div></div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/170/1272/202402220403501439.jpg" title="冷拔鋼管-冷拔鋼管本地廠家"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/170/1272/202402220403470698.jpg" title="冷拔鋼管-冷拔鋼管本地廠家"><br></p><div id="ygkm6mw" class="khcont"><div id="u84a46c" class="para"> ④為減少拔絲力和拔絲?？讚p耗，抽拔時須涂以潤滑劑。一般在拔絲模前安裝一個潤滑盒，使鋼筋黏滯潤滑劑進入拔絲模。 </div> <div id="k8cqwq0" class="para"> </div> <div id="ygskkks" class="para"> ⑤拔線速度宜控制在50~70 m/min。鋼筋連拔不宜超過3次．如需再拔，應對鋼筋內應力，采用低溫（600℃~800℃）退火處理使鋼筋變軟。加熱后取出埋入砂中，使其緩冷，冷卻速度應控制在150℃/h以內。 </div> <div id="qyqq8ww" class="para"> </div> <div id="caascia" class="para"> ⑥拔絲的成品，應隨時檢查砂孔、溝痕、夾皮等缺陷，以便隨時更換拔絲?；蛘{整轉速。 </div></div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/170/1272/202402220403438376.jpg" title="冷拔鋼管-冷拔鋼管本地廠家"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/170/1272/202402220403385620.jpg" title="冷拔鋼管-冷拔鋼管本地廠家"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/170/1272/202402220403342061.jpg" title="冷拔鋼管-冷拔鋼管本地廠家"><br></p><div id="0acwq88" class="khcont1">冷拔缸筒是以熱軋管為材料拔制而成的，熱軋管的材質、規(guī)格、質量的選取合適與否直接影響著拔制進行和成品質量。選材時應注意以下幾點：1）在選材時一般在強度保證的情況下，選取硬度低、塑性好的材料； <div id="480wwq4" class="para"> （2）鋼管規(guī)格應根據(jù)成品的規(guī)格選定，保證其延伸率在百分之二十到百分之四十；延伸率過小，成品表面的強度不能保證，過大，使拔制難以進行； </div> <div id="4g82wss" class="para"> （3）材料表面不能有凹坑、裂紋、裂縫、折疊、結疤、橢圓等嚴重缺陷； </div> <div id="emuq0wg" class="para"> （4）選取熱軋后放置0.5~2a的鋼管，時間過短，鋼管表面銹蝕淺薄，時間過長，鋼管表面銹蝕過深，這些都會導致鋼管表面前處理不充分，從而影響成品表面質量。 </div></div><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/170/1272/202402220403311556.jpg" title="冷拔鋼管-冷拔鋼管本地廠家"><br></p><p><img src="http://2024aiimg.qy55.com//cjjhb_soft/170/1272/202402220403254228.jpg" 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