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href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_yyjyyj/">液壓機械與元件</a>?<a href="http://www.cdcfah.com/cp/third-yyjyyj_qtyyjjzpj/">其他液壓機械及組配件</a>?上海質(zhì)量液壓脹管機南京圣之源液壓設備供應</p><div id="blsuwyp" class="leftbox clearfix"><h1>上海質(zhì)量液壓脹管機南京圣之源液壓設備供應</h1><div id="gldkm8d" class="proBig"><div id="nme8yol" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/3baomeng/637211749097304688/1612640.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ijg3mov" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/3baomeng/637211749097304688/1612640.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qaczr88" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>上海質(zhì)量液壓脹管機</p><p><span>***更新：</span>2020-06-19 18:22:43</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="rkr8r3w" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">南京圣之源液壓設備有限公司</a></p><p><span>聯(lián)系人：</span>張海州</p><p><span>郵箱: </span>nj_sxdszyyy@163.com</p><p><span>電話: </span>18105195116</p><p><span>傳真: </span>025_56879336</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>025-56879336</p><p><span>地址: </span>南京市江北新區(qū)泰山街道浦泗路19號創(chuàng)客空間工位號29</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="fk3ahj3" class="page-proshow02"><p class="title">詳細說明</p><div id="s72wyfh" class="box"><p><p> <br /> </p> <p> 手提式脹管機因為體積小，在使用的時候簡單方便，在進行脹管工作中的時候過程較簡單，管子與管板進行組裝完成之后，將脹頭插入管中，按下脹接按鈕，手提式脹管機就會根據(jù)設定的脹接壓力完成脹接加壓、保壓、卸壓等工作過程，因為這種脹接方式一般不會對管口造成污染，所以在進行脹接工作之后不需要進行清洗就可以直接進行焊接。 </p> <p> 手提式脹管機的主要組成部分有脹接頭、擴口器、液壓站，上海質(zhì)量液壓脹管機、電氣控制箱、龍門架、平衡器等部分組成，脹接頭主要有機體、擺線油馬達、傳動齒輪、滾壓齒輪、導鉗裝置和脹桿總成等組成，上海質(zhì)量液壓脹管機。在工作的時候，導鉗夾住銅管或鋁管，脹頭安接在脹管上推動脹桿前進或后退進行脹管。 </p> <p> 手提式脹管機的擴口器是由液壓缸與擴口彈性套等組成，主要進行擴口工作為脹管作準備，它具有龍門架與平衡器，上海質(zhì)量液壓脹管機，在使用的時候，能夠進行上下左右移動，保證脹管的順利進行。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海質(zhì)量液壓脹管機" src="http://tyunfile.71360.com/UploadFile/3baomeng/637211749097304688/1612640.jpg"></div><p> 機械脹管方式：（1）機械脹管的工具有電動、氣動、手動等區(qū)別。該方法除了具有勞動強度高和工作效率低、損傷管子等缺點外，還難以對管板厚度超過100毫米以上的換熱器實行全厚度脹接。而現(xiàn)代化工裝置都在高參數(shù)下運行，換熱器的管板厚度越來越厚，管板厚度超過200毫米的換熱器已不鮮見，用傳統(tǒng)的機械脹接技術已無法對這種厚管板換熱器進行全厚度脹接，使得換熱管和管板之間的間隙難以消除，留下間隙腐蝕的尹換。（2）機械脹管：由于紫銅管為軟態(tài)，而鋁散片為硬態(tài)，使用機械脹管機，用機械力將合金鋼脹頭強行推入紫銅管內(nèi)徑，將銅管脹大30-40絲，脹管量的計算包括銅管外徑正偏差、鋁片孔內(nèi)徑負偏差、穿管間距，**侯為保證管子緊密結(jié)合，再加大一定脹量，這一加大的脹量稱為過盈量。過盈量的取值既要保證銅管在機械脹接后的自縮，也要保證在冷熱水的作用下，管與片的緊密結(jié)合，以減小熱阻，保證傳熱。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海質(zhì)量液壓脹管機" src="http://tyunfile.71360.com/UploadFile/3baomeng/637211749097714844/6086565.jpg"></div><p> 采用液壓脹管技術的用戶，現(xiàn)可執(zhí)行新版GB151-1999。在實施強度脹時，對GB151-1999第5.8.2.3(e)款中的槽寬尺寸，可按照液壓脹接的特殊要求，將8-3-6-3修改為10-8-10-8(φ19×2）或10-10-10-10（φ57×3.5）等。新版GB151—1999已出版發(fā)行多年，現(xiàn)摘錄部分章節(jié)如下(P68-69); </p> <p> 5.8換熱管與管板的連接 </p> <p> 換熱管與管板的連接方式有脹接、焊接、脹焊并用等型式。 </p> <p> 5.8.1術語 </p> <p> a)強度脹接系指為保證換熱管與管板的連接的密封性能及抗拉脫強度的脹接; </p> <p> b)貼脹系指為消除換熱管與管孔之間間隙的輕度脹接。 </p> <p> 5.8.2強度脹接 </p> <p> 5.8.2.1適用范圍 </p> <p> 設計壓力小于等于4Mpa；設計溫度小于等于300°C。 </p> <p> 操作中無劇烈的振動，無過大的溫度變化及無明顯的應力腐蝕。 </p> <p> 5.8.2.2一般要求 </p> <p> a)換熱管材料的硬度值一般需低于管板材料的硬度值。 </p> <p> 5.8.2.3結(jié)構(gòu)尺寸 </p> <p> c)結(jié)構(gòu)型式及尺寸按表32和圖33(a)-33(c)的規(guī)定； </p> <p> e)根據(jù)不同的脹接方法可適當修改表32和圖33中的尺寸。 </p> <p> 5.8.3強度焊 </p> <p> 5.8.3.1適用范圍 </p> <p> 可用于本標準規(guī)定的設計壓力，但不適用于有較大振動及有間隙腐蝕的場合。 </p> <p> 5.8.4脹焊并用 </p> <p> 5.8.4.1適用范圍 </p> <p> 密封性能要求較高的場合；承受振動或疲勞載荷的場合；有間隙腐蝕的場合。 </p> <p> 5.8.4.2結(jié)構(gòu)型式 </p> <p> 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