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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="mprog33" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275546289062/980359.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bj8tqxu" 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>蘇州H13焊條焊絲廠家,焊條焊絲</p><p><span>***更新：</span>2020-08-14 01:12:35</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="fdpwt39" 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="jwo8dd8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="pnz3l3u" class="box"><p><p> 2送絲輪壓力不夠3送絲軟管堵塞或接頭處有硬彎或不匹配4導(dǎo)電嘴孔徑太大或太小5送絲軟管彎曲半徑小于400mm1更換與焊絲直徑相匹配的送絲輪2調(diào)整壓力3清理送絲軟管或更換4更換合適孔徑的導(dǎo)電嘴5展開送絲軟管2.三相電源的相間電壓不平衡檢查輸入電壓加大供電電源容量3.電網(wǎng)電壓缺相不與其他大功率用電裝置公用同**路4.焊工操作或規(guī)范選用不當(dāng)正確施焊，重新選擇焊接規(guī)范5.連接處接觸不良檢查輸入線，空氣開關(guān)等部件6.二次側(cè)極性接反。7導(dǎo)電嘴磨損嚴(yán)重6更正接線.7。更換導(dǎo)電嘴焊接時(shí)焊機(jī)常見故障與排除方法：故障現(xiàn)象故障原因排除方法焊縫產(chǎn)生氣孔1.工件表面不清潔2.焊絲表面有油污或生銹，蘇州H13焊條焊絲廠家，空氣進(jìn)入焊接區(qū)5.噴嘴上粘有飛濺物，保護(hù)氣流不暢，銹跡等2.***焊絲，送絲輪和軟管中的油污3.檢查氣瓶，氣帶，壓力表是否漏氣4，蘇州H13焊條焊絲廠家.采取保護(hù)措施5.清，蘇州H13焊條焊絲廠家.除噴嘴上飛濺物。焊絲外表容易銹蝕，粉劑易吸潮，因此對(duì)藥芯焊絲保存一管理的要求更為嚴(yán)格。蘇州H13焊條焊絲廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州H13焊條焊絲廠家,焊條焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275546289062/980359.png"></div><p> 能使焊縫產(chǎn)生變形并使應(yīng)力下降，從而***地防止熱裂紋的出現(xiàn)。（3）熔合性問題∶有些鑄鐵，由于“石墨”粗大，在高溫或者油環(huán)境中工作，在焊補(bǔ)過程中會(huì)有一定程度影響熔合性，嚴(yán)重時(shí)出現(xiàn)打滾而無法焊接。本焊絲焊補(bǔ)過程中能促使“石墨”燃燒，燃燒產(chǎn)生的CO可促使熔池沸騰而使熔合性**改變，焊接后焊縫組.織能跟基體組.織完全融合或部分熔合，結(jié)合緊密。（4）焊前不予熱，焊后不需熱處理消除應(yīng)力或退火降低加工區(qū)硬度問題。由于C808鑄鐵常溫焊接焊絲及焊接工藝上的改進(jìn)，采取在焊縫兩端覆蓋退火焊道，消除了基材中的熱應(yīng)力集中點(diǎn)，焊接后不需進(jìn)行消除應(yīng)力或退火降低加工區(qū)硬度熱處理。C808常溫鑄鐵焊接焊絲對(duì)鑄鐵件加工面缺點(diǎn)進(jìn)行修復(fù)的方法在待焊部位開出坡口，坡口表面加工,使表面光澤，便于使焊接電弧燒到坡口面的任何地方，對(duì)焊后凡要加工的地方，均用退火焊道覆蓋，焊接規(guī)范的選用原則為在確保熔合的前提下，采用本焊絲和小電流(40-60A)的CO2氣體保護(hù)常溫焊接，焊接工作按鑄鐵常溫焊接要領(lǐng)進(jìn)行。采用C808常溫鑄鐵焊接焊絲對(duì)鑄鐵件加工面缺點(diǎn)進(jìn)行修復(fù)獨(dú)到之處焊前不預(yù)熱，焊后也不需熱處理，焊后可直接上機(jī)械加工線進(jìn)行切削加工，包括能在焊區(qū)鉆小孔和攻絲。蘇州H13焊條焊絲廠家工藝性能好，焊縫成形美觀采用氣渣聯(lián)合保護(hù)，獲得良好成形。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州H13焊條焊絲廠家,焊條焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275547109375/7215290.png"></div><p> Q）適用于12CrMoV珠光體耐熱鋼的焊接，***用于鍋爐壓力容器行業(yè)。3、DY-YR317（Q）堿性渣系藥芯焊絲。適用于12CrMoV珠光體耐熱鋼的焊接，具有優(yōu)良的低溫沖擊性能。4、DY-YR402（Q）用于。三、不銹鋼用氣保護(hù)焊***焊絲1、DY-YA308（Q）18%Cr-8%Ni不銹鋼焊接用。2、DY-YA308L（Q）**碳18%Cr-8%Ni不銹鋼焊接用。3、DY-YA309（Q）異種鋼焊接或復(fù)合鋼板及堆焊不銹鋼時(shí)過渡層焊接用。4、DY-YA316（Q）18%Cr-12%Ni不銹鋼焊接用。四、氣保護(hù)堆焊藥芯焊絲1、DY-YD350（Q）***用于堆焊金屬間磨損部件和輕度的土砂磨損的部件，、DY-YD450（Q）適于堆焊耐土砂磨損和耐金屬間磨損的部件，、DY-YD600（Q）***用于耐土砂磨損的部件，HRC55-60.五、埋弧堆焊藥芯焊絲1、DY-YD14（M）主要用于碳鋼和低合金鋼零部件的修復(fù)或作其它堆焊材料的過渡層，HRC26±、DY-YD224B（M）主要用于熱軋輥和其它耐磨損件的堆焊和修復(fù)，、DY-YD420（M）含鉻13%的馬氏體型堆焊藥芯焊絲，耐腐蝕，耐磨損。適用于連鑄輥、蒸汽閥、楔形閥、安全閥等部件的硬面堆焊。4、DY-YD423（M）用于較高溫度下的熱軋輥和連鑄輥的硬面堆焊，該堆焊層具有優(yōu)良的耐腐蝕、耐磨損和耐熱沖擊性能，、DY-YD430。</p><p> 立向下焊的缺點(diǎn)與原因缺點(diǎn)原因缺點(diǎn)原因焊瘤1.焊速過慢2.電壓過低3.焊操作不好4.焊角度不好5.表面粘有不純物咬邊1.焊速過快2.電壓過高3.焊未瞄準(zhǔn)熔融金屬分散1.焊角度不好2.電流電壓過高裂紋1.焊速過慢2.電流電壓過高橫焊（焊接手法可采用直線法或直線往復(fù)法）橫焊的缺點(diǎn)與原因缺點(diǎn)原因咬邊1.電壓過高2.焊速過**.焊角度不好4.瞄準(zhǔn)位置不好焊瘤1.電壓過低2.焊速過慢3.焊角度不好4.面準(zhǔn)位置不好5.電流過高仰角焊（焊接手法直線法或擺動(dòng)手法）仰焊的缺點(diǎn)與原因缺點(diǎn)熔深不好咬邊重力下垂（焊瘤）原因1.電流相對(duì)于電壓過低2.焊速過**.焊角度不好4.焊操作不好1.焊速過快2.電壓相對(duì)于電流高3.瞄準(zhǔn)位置不好4.焊角度不好5.焊操作不好1.電壓相對(duì)于電流低2.瞄準(zhǔn)位置不好3.焊角度不好4.焊操作不好世上無難事，只怕有心人。只要你想焊好，在實(shí)踐中不斷的積累經(jīng)驗(yàn)，找出焊接缺點(diǎn)出現(xiàn)的原因，采用適當(dāng)?shù)姆椒ū苊獬霈F(xiàn)焊接缺點(diǎn)。如果你不思進(jìn)取，不把技術(shù)練好，只想我會(huì)焊就行，那么我可以肯定的告訴你，你永遠(yuǎn)只會(huì)時(shí)一個(gè)初級(jí)操作工，原因很簡(jiǎn)單因?yàn)槟悴幌敫冻雠Τ蔀閹煾?。八、焊接電弧不穩(wěn)的原因原因排除方法1.送絲不穩(wěn)：1送絲輪V型槽口磨損或與焊絲直徑不匹配。。。線材表面亦需光滑平順且清潔否則將影響送絲的順暢及焊接電流的傳迅。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州H13焊條焊絲廠家,焊條焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/676197.png"></div><p> 生產(chǎn)效率高在相同焊接電流下藥芯焊絲的電流密度大，熔化速度快，其熔敷率約為85%-90%，生產(chǎn)率比焊條電弧焊高約3-5倍。4）可用較大焊接電流進(jìn)行全位置焊接。⑵缺點(diǎn)1）焊絲制造過程復(fù)雜2）焊接時(shí)，送絲較實(shí)心焊絲困難3）焊絲外表容易銹蝕，粉劑易吸潮，因此對(duì)藥芯焊絲保存一管理的要求更為嚴(yán)格焊絲焊劑功能編輯與被覆焊條相同，藥芯焊絲的制造商對(duì)焊劑成份均為其特有的配方，隨著焊材適用的功能不同，焊劑成份組成亦各不同。焊劑成份的基本功能略述如下：⑴除氧劑與除氮?jiǎng)┯捎诘c氧可使焊道金屬造成氣孔或脆化，焊劑中必須添加錳與硅等除氧劑，至于自保護(hù)藥芯焊絲，焊劑中另需添加AL為除氮?jiǎng)Ｒ陨咸砑映鮿┘俺獎(jiǎng)┠康木谟趦艋厶罱饘?。⑵焊渣形成劑鈣、鉀、鈉或硅等均為焊渣形成劑，添加在焊劑中可以有效保護(hù)熔池不受大氣污染，焊渣可使焊道具較佳的外觀而且快速冷卻后又可以支撐全姿勢(shì)焊接時(shí)的熔池。焊渣的覆蓋更可緩和熔填金屬冷卻速率，此功能對(duì)低合金鋼的焊接尤其重要。⑶電弧穩(wěn)定劑鈉及鉀可以使電弧保持柔和順暢而且降低飛濺。⑷合金元素鉬、鉻、碳、錳、鎳及釩等合金元素的添加，可以提高（改善）熔填金屬的強(qiáng)度、延性、硬度及韌性等。美國(guó)專利公布了一種帶芯絲的藥芯焊絲制造方法,芯絲上壓涂一層膏狀藥皮,就成了焊絲中的藥芯。湖南鑄鐵焊條焊絲廠</p><p style="text-indent:25px">?有些合金，如鈷鉻鎢合金，不能鍛、軋和拔絲，而用鑄造方法制成。蘇州H13焊條焊絲廠家</p><p> ②MF742B堿***芯焊絲的特點(diǎn)是：粗熔滴過渡，焊道略凸，煙塵較大，熔渣由氟化物和堿土金屬氧化物組成，焊縫金屬具有較高的沖擊韌性和抗裂紋能力。MF742M金屬粉末型藥芯焊絲的特點(diǎn)是：細(xì)熔滴射流過渡，熔渣覆蓋率低，藥芯成分由金屬合金和鐵粉組成，并含有電弧增強(qiáng)劑，熔敷效率高，再引弧性好。③比較實(shí)芯焊絲和藥芯焊絲可以看出，藥芯焊絲焊縫金屬Ni的含量比實(shí)芯焊絲高，因此焊縫的塑性和韌性更好，-60℃時(shí)仍有較高的沖擊韌性。（1）焊接試板：某鋼廠生產(chǎn)的Q960E調(diào)質(zhì)鋼板，板厚20mm。其化學(xué)成分及力學(xué)性能如表7、表8所示。（2）焊接材料的選擇實(shí)芯焊絲：選用奧林康（OERLIKON）公司的Mn4Ni2CrMo，φ（ESAB）公司的okAristRod89，φ；藥芯焊絲：選用斯泰因（STEINMEGAFIL）公司的MF745B，φ1100M，φ。（3）實(shí)芯焊絲試驗(yàn)依據(jù)ISO16834標(biāo)準(zhǔn)，并參照焊絲生產(chǎn)廠家提供的相關(guān)技術(shù)資料，進(jìn)行了焊絲的試驗(yàn)研究工作。兩種焊絲的化學(xué)成分檢測(cè)結(jié)果如表9所示。焊接工藝：預(yù)熱溫度為150℃，道間溫度為150～170℃；焊接電流為240～280A，電弧電壓為24～30V，保護(hù)氣體為80%Ar+20%CO2混合氣體保護(hù)；焊接熱輸入～。多道焊時(shí)，先焊坡口兩側(cè)的焊縫，再焊中間的焊縫。焊后用石棉布覆蓋。蘇州H13焊條焊絲廠家</p><p style="text-indent:25px">簡(jiǎn)敏精密五金制造(上海)有限公司屬于五金、工具的高新企業(yè)，技術(shù)力量雄厚。公司是一家有限責(zé)任公司（自然）企業(yè)，以誠(chéng)信務(wù)實(shí)的創(chuàng)業(yè)精神、質(zhì)量高效的管理團(tuán)隊(duì)、精悍的職工隊(duì)伍，努力為廣大用戶提供***的產(chǎn)品。公司目前擁有***員工51~100人人，具有[ "模具焊條", "模具焊絲", "特種焊絲", "特種焊條" ]等多項(xiàng)業(yè)務(wù)。簡(jiǎn)敏五金制造順應(yīng)時(shí)代發(fā)展和市場(chǎng)需求，通過**技術(shù)，力圖保證高規(guī)格高質(zhì)量的[ "模具焊條", "模具焊絲", "特種焊絲", "特種焊條" ]。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/907807.html</p></div></div></div></div></div><div id="cv3pbdp" class="page-right twoColRt"><div id="sh37km8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8oas2wc" 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="z7pme7a" 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" 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