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class="home-main container clearfix"><div id="hndrhtp" class="twoCol"><div id="db77rxv" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/second-wjgj_guanjianbi/">管件</a>?<a href="http://www.cdcfah.com/cp/third-guanjianbi_wantouoz/">彎頭</a>?陜西不銹鋼彎頭國標 **** 河北長洪管業(yè)供應(yīng)</p><div id="pndzftx" class="leftbox clearfix"><h1>陜西不銹鋼彎頭國標 **** 河北長洪管業(yè)供應(yīng)</h1><div id="ntrpn7t" class="proBig"><div id="7hx9nv7" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/6/24/0/636969345508973930_jiazong01_7722525.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jpnbrf7" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/6/24/0/636969345508973930_jiazong01_7722525.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xznlhnd" 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>河北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>陜西不銹鋼彎頭國標</p><p><span>***更新：</span>2020-05-26 07:24:34</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="77vp7tj" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">河北長洪管業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>賈世豪</p><p><span>郵箱: </span>2047452166@qq.com</p><p><span>電話: </span>17363075791</p><p><span>傳真: </span>0317_5538516</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0317-5538516</p><p><span>地址: </span>河北省滄州市孟村回族自治縣孟村鎮(zhèn)二街</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="dj7nbxf" class="page-proshow02"><p class="title">詳細說明</p><div id="vlr9zf7" class="box"><p><p style="text-indent:25px">高壓焊接彎頭的分類方法高壓焊接彎頭的分類方法：按它的曲率半徑來分，可分為長半徑彎頭和短半徑彎頭。長半徑彎頭指它的曲率半徑等于1.5倍的管子外徑，即R=1.5D.短半徑彎頭指它的曲率半徑等于管子外徑，即R=D。公式中的D為彎頭直徑，R為曲率半徑。常用的是為1.5D的沖壓彎頭刨銑，陜西不銹鋼彎頭國標、焊接時應(yīng)留意的地方?jīng)_壓彎頭的長處功能：1、長期耐壓功能，*從規(guī)劃應(yīng)力上講，陜西不銹鋼彎頭國標，國標沖壓彎頭的耐壓功能佳。耐溫耐壓、柔韌性好、耐熱，其功能高于其它塑料管材。則應(yīng)選用沖壓彎頭焊條。沖壓彎頭成形工藝沖壓成形彎頭是**早應(yīng)用于批量生產(chǎn)無縫彎頭的成形工藝，現(xiàn)在，陜西不銹鋼彎頭國標，在常用規(guī)格的彎頭生產(chǎn)中已被熱推法或其它成形工藝所替代，但在某些規(guī)格的彎頭中因生產(chǎn)數(shù)量少、壁厚過厚或過薄。熱推彎頭成形工藝是選用**彎頭推制機、芯模和加熱裝置，使套在模具上的坯料在推制機的推進下向前運動，在運動中被加熱、擴徑并彎曲成形的進程。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西不銹鋼彎頭國標" src="http://tyunfile.71360.com/UpLoadFile/2019/6/24/0/636969345508973930_jiazong01_7722525.jpg"></div><p style="text-indent:25px">選用氬點聯(lián)焊的焊接工藝．焊條選用A022，焊絲選用：HOOCr21Nil0。低層選用氬弧焊接打底。在進行電焊作業(yè)前，在焊縫左右兩邊各100mm范圍內(nèi)，刷石堊粉，防止飛濺粘附在管道表面，在進行電焊作業(yè)前，選用小電流。多層多道，接連焊接。整體焊接結(jié)束后，5.為防止焊接氣孔之出現(xiàn),焊接部位如有鐵銹,油污等務(wù)必清理干凈.6.焊接電弧長度大口徑彎頭因為其口徑非常大,主要用于各種大型輸送排骨管道的銜接,一般用于管道的施工交接口處.適用于化工,石油,電力,輸氣等職業(yè),特別是也適用于低溫條件下的高壓輸氣管道.大口徑彎頭的推制方法,首要選用CAD技術(shù)設(shè)計出多種不同口徑,且在180度以內(nèi),不同材質(zhì)的推制彎頭用管芯和芯頭.其次對大型推制機進行結(jié)構(gòu)改造,使出產(chǎn)設(shè)備達到推制**大口徑薄壁高溫,（冷軋）→坯管→熱處理→矯直→水壓試驗（探傷）→標記→入庫。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西不銹鋼彎頭國標" src="http://tyunfile.71360.com/UpLoadFile/2019/6/24/0/636969345503044106_jiazong01_7835167.jpg"></div><p style="text-indent:25px">熱推彎頭成形工藝具有外形美觀、壁厚均勻和連續(xù)作業(yè)，適于大批量出產(chǎn)的特點，因而成為碳鋼、合金鋼彎頭的主要成形方法，并也應(yīng)用在某些規(guī)格的不銹鋼彎頭的成形中。管定徑。定徑機通過錐形鉆頭高速旋轉(zhuǎn)入鋼胚打孔，形成管件。無縫彎頭工藝流程：1、冷拔（軋）無縫彎頭管件：圓管坯→加熱→穿孔→打頭→退火→酸洗→涂油（鍍銅）→多道次冷拔管定徑。定徑機通過錐形鉆頭高速旋轉(zhuǎn)入鋼胚打孔，形成管件。無縫彎頭工藝流程：1、冷拔（軋）無縫彎頭管件：圓管坯→加熱→穿孔→打頭→退火→酸洗→涂油（鍍銅）→多道次冷拔</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西不銹鋼彎頭國標" src="http://tyunfile.71360.com/UpLoadFile/2019/6/24/0/636969345495709850_jiazong01_9603273.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/44413.html</p></div></div></div></div></div><div id="xl79dbz" class="page-right twoColRt"><div id="t7p7jrx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="trhxflz" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" 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