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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="omoeki2" class="twoCol"><div id="kywmuay" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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_hjclyfjqh/">焊接材料與附件</a>?<a href="http://www.cdcfah.com/cp/third-hjclyfjqh_hansi/">焊絲</a>?江蘇模具焊絲供貨廠歡迎來(lái)電簡(jiǎn)敏精密五金制造供應(yīng)</p><div id="4usq24u" class="leftbox clearfix"><h1>江蘇模具焊絲供貨廠歡迎來(lái)電簡(jiǎn)敏精密五金制造供應(yīng)</h1><div id="aqgows4" class="proBig"><div id="4cqowca" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265666699219/955806.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="eiqgwc4" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265666699219/955806.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="am4kssy" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇模具焊絲供貨廠</p><p><span>***更新：</span>2020-06-09 08:20:48</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="ge4mkag" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">簡(jiǎn)敏精密五金制造(上海)有限公司</a></p><p><span>聯(lián)系人：</span>龔先生</p><p><span>郵箱: </span></p><p><span>電話: </span>13818473006</p><p><span>傳真: </span>021_69726282</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-69726282</p><p><span>地址: </span>顧北東路365號(hào)C區(qū)1101</p><p>[當(dāng)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="2u244e2" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="e2qaqou" class="box"><p><p> 補(bǔ)焊要求不高的黃銅鑄件可采用純銅芯焊條，如ECu（T107）。電源采用直流正接，V型坡口角度不應(yīng)小于60°～70°。板厚超過(guò)14mm時(shí)，焊前焊件表面應(yīng)仔細(xì)清理，***一切會(huì)產(chǎn)生氫氣的油類雜質(zhì)。操作時(shí)應(yīng)當(dāng)用短弧焊接，焊條不做橫向和前后擺動(dòng)，只沿焊縫的直線移動(dòng)。焊接速度要快，不應(yīng)低于～。多層焊時(shí)，層與層之間的氧化膜及渣應(yīng)***干凈。黃銅的銅液流動(dòng)性大，故溶池比較好處于水平位置，若溶池必須傾斜，則傾角不應(yīng)大于15°3．黃銅的手工氬弧焊手工鎢極氬弧焊時(shí)，焊絲采用錫黃銅焊絲HSCuZ-1（HS221）、鐵黃銅焊絲HSCuZn-2（HS222）、硅黃銅焊絲HSCuZn-4（HS224）。這些焊絲含鋅較高，焊接時(shí)煙霧較大。亦可用青銅焊絲HSCuSi（HS211）、HSCuSn（HS212）。焊接可以用直流正接，也可以用交流，江蘇模具焊絲供貨廠。用交流焊接時(shí)，鋅的蒸發(fā)比直流正接時(shí)輕，江蘇模具焊絲供貨廠。通常焊前不用預(yù)熱，只有板厚相差比較大時(shí)才預(yù)熱。焊接速度應(yīng)盡可能快。焊件在焊后應(yīng)加熱300~400℃進(jìn)行退火處理，江蘇模具焊絲供貨廠，消除焊接應(yīng)力，以防止焊件在使用過(guò)程中裂縫。由于鋅的蒸發(fā)破壞氬氣的保護(hù)效果，所以焊接黃銅時(shí)應(yīng)選用較大的噴嘴孔徑和氬氣流量。焊前一般不預(yù)熱，只有焊接厚度大于10mm的接頭和焊接邊緣厚度相差比較大的接頭時(shí)才需預(yù)熱。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇模具焊絲供貨廠" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265666699219/955806.png"></div><p> A502不銹鋼焊條符合GBE16-25MoN-16說(shuō)明:A502是鈦鈣型藥皮的純奧氏體Cr16Ni25Mo6不銹鋼焊條。交直流兩用。用途:用于焊接淬火狀態(tài)下的低合金和中合金鋼、異種鋼及剛性較大的結(jié)構(gòu)以及相應(yīng)的熱強(qiáng)鋼等。如淬火狀態(tài)下的30CrMnSi以及不銹鋼、碳鋼及異種鋼焊接。A507不銹鋼焊條符合GBE16-25MoN-15說(shuō)明:A507是堿***皮的純奧氏體Cr16Ni25Mo6不銹鋼焊條。采用直流反接，可進(jìn)行全位置焊接。用途:用于焊接淬火狀態(tài)下的低合金和中合金鋼、異種鋼及剛性較大的結(jié)構(gòu)，以及相應(yīng)的熱強(qiáng)鋼等。如淬火狀態(tài)下的30CrMnSi、不銹鋼和碳鋼焊接等。A607不銹鋼焊條符合GBE330MoMnWNb-15說(shuō)明:A607是堿***皮的純奧氏體Cr16Ni35不銹鋼焊條，因焊條中加入強(qiáng)化元素，故具有良好的高溫性能。采用直流反接，可進(jìn)行全位置焊接。用途:用于在850-900℃高溫條件下工作的同類型不銹鋼材料的焊接，以及制氫轉(zhuǎn)化爐中**管和膨脹管（如Cr20Ni32和Cr18Ni37材料）的焊接。A902不銹鋼焊條符合GBE320-16相當(dāng)AWSE320-16說(shuō)明:A902是鈦鈣型藥皮的不銹鋼焊條，交直流兩用。具有優(yōu)異的耐腐蝕性和較強(qiáng)的抗氧化能力。在化工、石油和制氫等制造、安裝工程中廣泛應(yīng)用，還可作異種鋼焊接材料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇模具焊絲供貨廠" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/3318362.png"></div><p> 焊前準(zhǔn)備：大直徑厚壁管U形坡口的試件如下圖所示。材料為20鋼，其裝配及定位與第四章水平轉(zhuǎn)動(dòng)焊條電弧焊相同。設(shè)備：焊條電弧焊的焊機(jī)為ZXG-400,埋弧焊焊機(jī)為MZ3-500,焊接調(diào)速滾輪架一臺(tái)，焊接操作架一臺(tái)。焊前清理與上述相同，焊劑、焊條須嚴(yán)格烘干。焊接參數(shù)焊接參數(shù)見下表，焊接電源極性釆用直流反接。焊接操作：打底層和填充層都采用焊條電弧焊，焊接操作與第四章第四節(jié)的大直徑管水平轉(zhuǎn)動(dòng)焊相同。蓋面層采用埋弧焊，焊劑為HJ431，其顆粒度為(14~60目）。采用直流反接。焊接蓋面層時(shí)，先預(yù)調(diào)節(jié)焊接參數(shù)，調(diào)節(jié)焊接機(jī)頭使焊嘴距離焊件20~30mm，下圖中的偏移量B為20~30mm，并使焊絲對(duì)準(zhǔn)坡口的中心線，開啟焊劑漏斗，使焊劑堆在待焊區(qū)，由于管子表面曲率較大，焊劑容易散失，為在焊接過(guò)程中更好地保護(hù)熔池，可在焊接區(qū)的前方加一如圖所示擋板或采取其它防止焊劑散失的措施。按下“啟動(dòng)”按鈕，進(jìn)行焊接，并耳聽和觀察焊接過(guò)程，注意焊機(jī)的電流表和電壓表及調(diào)速滾輪的轉(zhuǎn)速表的指示，隨時(shí)進(jìn)行調(diào)節(jié)，以保證焊接過(guò)程的穩(wěn)定。在焊完一周后須重疊一段焊縫，***按“停止”按鈕，熄弧后關(guān)閉焊劑漏斗。焊后清理與檢驗(yàn)：用錘子、鋼絲刷***焊渣，并對(duì)收弧處進(jìn)行修磨。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇模具焊絲供貨廠" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265685263672/7237309.png"></div></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/199983.html</p></div></div></div></div></div><div id="ckaiyec" class="page-right twoColRt"><div id="m4w4equ" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2ywcsio" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="yoweuag" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠(chéng)推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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