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id="g8htnmn" class="twoCol"><div id="8bikrtf" 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>?蘇州H13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="gq3evmt" class="leftbox clearfix"><h1>蘇州H13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="lfzfrya" class="proBig"><div id="3hofmyk" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265664882812/4463123.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cwtf32h" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265664882812/4463123.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nhz34do" 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焊絲供貨廠,焊絲</p><p><span>***更新：</span>2020-12-15 05:06:11</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="32mnf3k" 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="lqxwcj3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="iugyjq3" class="box"><p><p> 1954年哈爾濱鍋爐廠從德國(guó)引進(jìn)氬弧焊是在普通電弧焊的原理的基礎(chǔ)上,利用氬氣對(duì)金屬焊材的保護(hù),通過(guò)高電流使焊材在被焊基材上熔化成液態(tài)形成熔池,使被焊金屬和焊材達(dá)到冶金結(jié)合的一種焊接技術(shù),由于在高溫熔融焊接中不斷送上氬氣,使焊材不能和空氣中的氧氣接觸,從而防止了焊材的氧化。手工鎢極氬弧焊時(shí)選擇電源的種類(lèi)和極性的方法手工鎢極氬弧焊的電源有直流電源和交流電源,直流電源有直流正接法和直流反接法。直流正接法:焊件接正極,鎢極接負(fù)極,這樣焊接時(shí),電子高速?zèng)_向焊件,焊接溫度高,熔池深而窄。正離子沖向鎢極,鎢極熱量低損耗小。該方法適用于耐熱鋼、合金鋼、不銹鋼、銅、鈦等金屬的焊接。直流反接法:焊件接負(fù)極,鎢極接正極,焊接時(shí)電子高速?zèng)_向鎢極,鎢極熱量高,消耗快,故一般不使用。用于焊接高熔點(diǎn)氧化膜的鋁、鎂及其合金。交流電源由于極**替變化,它既有“陰極霧化”作用，蘇州H13焊絲供貨廠,又有鎢極消耗比直流反接法少的特點(diǎn),適用于鋁，蘇州H13焊絲供貨廠、鎂及其合金的焊接。手工鎢極氬弧焊時(shí)噴嘴的選擇方法噴嘴大小和形狀直接影響氬氣保護(hù)區(qū)的保護(hù)范圍和效果,常用的噴嘴有6號(hào),7號(hào),8號(hào)，蘇州H13焊絲供貨廠,10號(hào)。噴嘴直徑的選擇不宜過(guò)大,否則會(huì)妨礙操作,浪費(fèi)氬氣;但也不宜過(guò)小,否則熔池保護(hù)不好,容易產(chǎn)生缺點(diǎn)。絕大部分的藥芯焊絲均由一扁平金屬薄片長(zhǎng)條逐段經(jīng)過(guò)滾卷成U型斷面。蘇州H13焊絲供貨廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州H13焊絲供貨廠,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265664882812/4463123.png"></div><p> 不銹鋼焊條簡(jiǎn)介G202不銹鋼焊條符合GBE410-16相當(dāng)AWSE410-16說(shuō)明:G202是鈦鈣型藥皮的Cr13不銹鋼焊條，可交直流兩用。用途:用于焊接0Cr13和1Cr13不銹鋼結(jié)構(gòu)，也用于耐蝕、耐磨的表面堆焊。G207不銹鋼焊條符合GBE410-15相當(dāng)AWSE410-15說(shuō)明:G207是堿***皮的鉻不銹鋼焊條，采用直流反接，可進(jìn)行全位置焊接。用途:用于0Cr13及1Cr13不銹鋼結(jié)構(gòu)焊接，也可用于耐蝕堆焊，可全位置焊接。G217不銹鋼焊條符合GBE410-15相當(dāng)AWSE410-15說(shuō)明:G217是堿***皮的Cr13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0Cr13和1Cr13、2Cr13不銹鋼結(jié)構(gòu)，如汽輪機(jī)葉片的補(bǔ)焊及對(duì)接，也可用于耐蝕、耐磨的表面堆焊。G302不銹鋼焊條符合GBE430-16相當(dāng)AWSE430-16說(shuō)明:G302是鈦型藥皮的Cr17不銹鋼焊條，可交直流兩用。用途:用于焊接耐硝酸腐蝕、耐熱的Cr17不銹鋼結(jié)構(gòu)。G307不銹鋼焊條符合GBE430-15相當(dāng)AWSE430-15說(shuō)明:G307是堿***皮的Cr17不銹鋼焊條，采用直流反接，可進(jìn)行全位置焊接。用途:用于焊接耐硝酸腐蝕、耐熱的Cr17不銹鋼結(jié)構(gòu)。蘇州H13焊絲供貨廠用合金含量高于母材的焊絲作填充金屬，通?？煞乐购缚p金屬裂紋。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州H13焊絲供貨廠,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265684541015/1545447.png"></div><p> 焊接重要的焊接構(gòu)件及合金鋼焊件，為了防止氫致裂紋的產(chǎn)生，提高焊縫金屬和熱影響區(qū)的韌性，要選用低氫堿性焊條施焊。使用堿性低氫焊條**重要一環(huán)，是焊條的烘干，必須按照烘干要求進(jìn)行，一般焊前烘干工藝要求為350°×1小時(shí)，雨季或潮濕天氣可提高到400°×1小時(shí)。烘干不好，后果很?chē)?yán)重，不但會(huì)產(chǎn)生焊接缺點(diǎn)，也會(huì)嚴(yán)重影響焊接工藝性能，千萬(wàn)不要大意！其次，焊件焊接處要清理干凈，徹底***油污、銹跡、水分、雜質(zhì)、臟東西，合理的焊接工藝這一點(diǎn)都寫(xiě)得很清楚。★操作要點(diǎn)堿性低氫焊條的操作，主要是采用短弧操作，電弧盡量壓短。焊接時(shí)，手把要穩(wěn)，電弧越短越好。運(yùn)條時(shí)，焊條傾角與焊縫前進(jìn)方向成85°-90°，與左右保持垂直，如果焊條傾角過(guò)大或左右不正，即使是壓低了電弧，也不是真正的短弧。短弧焊的目的是更好的應(yīng)用渣氣聯(lián)合保護(hù)功能，保護(hù)熔池不受空氣侵襲，保護(hù)熔池焊接冶金反應(yīng)順利進(jìn)行，減少焊接缺點(diǎn)的產(chǎn)生。多層焊時(shí)，每層焊肉要薄些，以利于熔池中氣體逸出，熔渣容易浮出，出現(xiàn)缺點(diǎn)也容易清理。多層焊，每層焊縫方向相反，以利于整體焊縫熱量均勻。操作手法采用畫(huà)圓圈式的橫向擺動(dòng)，熔池冷卻速度變慢，利于氣體逸出，避免產(chǎn)生氣孔，提高焊縫質(zhì)量。</p><p> 后者只預(yù)熱焊件邊緣較厚的部分。電源可采用直流正接，也可以采用交流。用交流電源焊接時(shí)，鋅的蒸發(fā)量較小。焊接參數(shù)宜采用較大的焊接電流和較快的焊接速度。厚16～20mm黃銅板的焊接參數(shù)為：焊接電流260～300A，鎢極直徑5mm，焊絲直徑～，噴嘴孔徑14～16mm，氬氣流量20～25L/min。為了減少鋅的蒸發(fā)，操作時(shí)可將填充焊絲與焊件'短接'，在填充焊絲上引弧和保持電弧，盡可能避免電弧直接作用到母材上，母材主要靠熔池金屬的傳熱來(lái)加熱熔化。焊接時(shí)，應(yīng)盡可能進(jìn)行單層焊，板厚小于5mm的接頭，比較好能一次焊完。焊后焊件應(yīng)加熱到300～400℃進(jìn)行退火處理，消除焊接應(yīng)力，以防止黃銅構(gòu)件在使用時(shí)破裂。4．黃銅碳弧焊黃銅碳弧焊時(shí)，根據(jù)母材的成分選用絲221、絲222、絲224等焊絲，也可用自制的黃銅焊絲施焊。焊接可以采用氣劑301等作熔劑。焊接應(yīng)短弧操作，以減少鋅的蒸發(fā)和燒損。大多數(shù)焊絲屬于此類(lèi)，包括碳鋼焊絲、低合金結(jié)構(gòu)鋼焊絲、合金結(jié)構(gòu)鋼焊絲、不銹鋼焊絲和有色金屬焊絲等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州H13焊絲供貨廠,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/3318362.png"></div><p> 放射性氣溶膠是造成人體內(nèi)照射的主要威脅。強(qiáng)電弧光的危害焊接弧光輻射主要有可見(jiàn)光、紅外線和紫外線。它們作用到人體上，被人體組.織吸收，引起組.織的熱作用、光化學(xué)作用或電離作用，使人體組.織受到損傷?？梢?jiàn)光線的光度比肉眼正常承受的光度大約大到一萬(wàn)倍左右，當(dāng)可見(jiàn)光線輻射人的眼睛時(shí)，會(huì)產(chǎn)生疼痛感，看不清東西，通常叫“晃眼”，在短時(shí)間內(nèi)失去勞動(dòng)能力。紅外線對(duì)人體的危害主要是引起組.織的熱作用。在焊接過(guò)程中，眼部受到強(qiáng)烈的紅外線輻射，會(huì)立即感到強(qiáng)烈的灼傷和灼痛，發(fā)生閃光幻覺(jué)。長(zhǎng)期接觸可能造成紅外線白內(nèi)障、視力減退，嚴(yán)重時(shí)可導(dǎo)致失明。紫外輻射(ultravioletradiation，UV)又稱(chēng)紫外線，是指波長(zhǎng)在100—400nm的電磁波。適量的紫外線照射可以對(duì)人體產(chǎn)生有益的作用，但是過(guò)量照射會(huì)對(duì)人體造成不良的影響(如電焊紫外輻射)。紫外線對(duì)人體的危害主要是光化學(xué)作用，對(duì)人體皮膚和眼睛造成損害。皮膚受到強(qiáng)烈的紫外線輻射后，可引起皮炎，彌漫性紅斑，有時(shí)出現(xiàn)小水泡、滲出液，有燒灼感，發(fā)癢；作用強(qiáng)烈時(shí)伴有全身癥狀：***、頭暈、易疲勞、神經(jīng)興奮、發(fā)燒、***等。紫外線過(guò)度照射人的眼睛，可引起眼睛急性角膜和結(jié)膜炎，即電光眼炎。?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焊絲供貨廠</p><p style="text-indent:25px">焊絲焊補(bǔ)時(shí)熱影響區(qū)非常小，不會(huì)產(chǎn)生內(nèi)應(yīng)力。蘇州H13焊絲供貨廠</p><p> 并**終流進(jìn)下層槽，再由水泵將下層槽的水泵入與水龍頭相連的水管，所述水龍頭位于上層槽的前壁上方并正對(duì)焊條過(guò)孔，使水龍頭出來(lái)的水淋在上層槽的前側(cè)板上并分別濺入上層槽和連通槽，從而實(shí)現(xiàn)冷卻水的循環(huán)利用；所述自動(dòng)切斷機(jī)構(gòu)包括工作臺(tái)，所述工作臺(tái)上安裝有上導(dǎo)向膠輪和下導(dǎo)向膠輪，上導(dǎo)向膠輪和下導(dǎo)向膠輪的中部分別設(shè)置有環(huán)向缺槽，且兩個(gè)環(huán)向凹槽正好圍成供橫截面為等邊三角形的焊條通過(guò)的通道，在通道的正前方設(shè)置有左、右限位柱供焊條從中穿過(guò)；所述工作臺(tái)的后壁上安裝有朝向后方的“7”字形的安裝架，所述安裝架的水平板上方的靠后位置處左右居中安裝有立塊，所述立塊上開(kāi)有前后貫通的焊條穿孔，在立塊的前方水平安裝有正對(duì)焊條穿孔的焊條導(dǎo)向管，焊條導(dǎo)向管位于上導(dǎo)向膠輪與下導(dǎo)向膠輪圍成的通道的正后方，所述安裝架的上方通過(guò)“門(mén)”形安裝架安裝有朝向下方的豎直氣缸，豎直氣缸的活塞桿與焊條切斷刀相連，所述焊條切斷刀與立塊的后壁貼合，并能在豎直氣缸的帶動(dòng)下上下運(yùn)動(dòng)，從而將經(jīng)焊條導(dǎo)向管、焊條穿孔出來(lái)的焊條切斷。作為上述方案的推薦，所述上層槽的前壁頂部設(shè)置有高于焊條過(guò)孔的溢水缺口，上層槽的冷卻水還能經(jīng)溢水缺口流入連通槽。蘇州H13焊絲供貨廠</p><p style="text-indent:25px">簡(jiǎn)敏精密五金制造(上海)有限公司位于顧北東路365號(hào)C區(qū)1101。公司業(yè)務(wù)涵蓋模具焊條，模具焊絲，特種焊絲，特種焊條等，價(jià)格合理，品質(zhì)有保證。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造五金、工具良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶(hù)成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2410249.html</p></div></div></div></div></div><div id="8ulsjvx" class="page-right twoColRt"><div id="vprofhj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vk2byfr" 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="b328kby" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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