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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H13焊絲供應(yīng)商歡迎來(lái)電簡(jiǎn)敏精密五金制造供應(yīng)</p><div id="zsproqp" class="leftbox clearfix"><h1>江蘇H13焊絲供應(yīng)商歡迎來(lái)電簡(jiǎn)敏精密五金制造供應(yīng)</h1><div id="py8d48r" class="proBig"><div id="gk3839r" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/676197.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3vhurdp" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/676197.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="s7fx7gb" 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H13焊絲供應(yīng)商,焊絲</p><p><span>***更新：</span>2020-09-04 03:09:39</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="g2ac4ab" 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="uyqx42d" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3d2gfb3" class="box"><p><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，后果很嚴(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，徹底清，江蘇H13焊絲供應(yīng)商.除油污、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，江蘇H13焊絲供應(yīng)商，如果焊條傾角過大或左右不正，即使是壓低了電弧，江蘇H13焊絲供應(yīng)商，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。存取及搬運(yùn)焊絲時(shí)小心不要弄破包裝，特別是內(nèi)包裝“熱收縮膜”。江蘇H13焊絲供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇H13焊絲供應(yīng)商,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/676197.png"></div><p> 因?yàn)楹笇娱g熔渣清理不徹底，又由于焊速快，熔池凝固較快，熔渣來(lái)不及浮出熔池而形成夾渣。解決夾渣時(shí)應(yīng)注意兩點(diǎn)：一是徹底***層間熔渣，特別是封底層與坡口兩側(cè)的夾渣較難***，要用尖頭小錘及鋼鋸條認(rèn)真清理；二是填充層施焊運(yùn)條時(shí)應(yīng)在坡口兩側(cè)停留的時(shí)間稍長(zhǎng)些，不僅能使熔渣有充足的時(shí)間浮出，還可使焊縫焊得平整，為蓋面層的焊接打好基礎(chǔ)。咬邊咬邊是蓋面層焊接時(shí)**難克服的缺點(diǎn)，產(chǎn)生的原因是咬邊處液態(tài)金屬重力較大，造成下垂所致。為了防止產(chǎn)生咬邊，要做到以下3點(diǎn)：一是蓋面層要薄，不宜超過2～3mm；二是運(yùn)條時(shí)擺動(dòng)要均勻，在坡口的兩側(cè)一定要壓低電弧，使邊緣部位熔化控制在1mm左右；三是選用合適的焊接電流，當(dāng)選用ф，焊接電流為110A，以避免因熱輸入偏大而造成的咬邊缺點(diǎn)。江蘇H13焊絲供應(yīng)商焊絲應(yīng)放在木托盤上，不能將其直接放在地板或緊貼墻壁。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇H13焊絲供應(yīng)商,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265668525390/8688498.png"></div><p> 此時(shí)應(yīng)選用抗裂性較好的堿性焊條。（4）根據(jù)焊件的工作條件、使用性能和幾何形狀選用焊條1）載荷性質(zhì)在承受動(dòng)載荷或沖擊載荷情況下，除了要求保證抗拉強(qiáng)度外，還對(duì)焊縫金屬的塑性和沖擊韌度有較高的要求，推薦使用堿性焊條。2）工作介質(zhì)若焊件是在腐蝕介質(zhì)中工作的不銹鋼件或其它耐腐蝕材料，必須根據(jù)介質(zhì)種類、濃度、工作溫度等情況，選擇或按設(shè)計(jì)規(guī)定采用相應(yīng)的不銹鋼焊條或其它耐腐蝕焊條。3）幾何形狀根據(jù)焊件幾何形狀的復(fù)雜程度、剛性的大小、焊接坡口制備情況以及焊接部位所處的位臵選用焊條，應(yīng)遵循下列原則：[1]形狀復(fù)雜或大厚度的焊件，由于焊縫金屬在冷收縮時(shí)會(huì)產(chǎn)生較大的應(yīng)力，易形成裂紋，因此應(yīng)選用抗裂性較高的焊條，如堿性焊條。[2]某些難以清理干凈的焊接部位，應(yīng)選用氧化性強(qiáng)，對(duì)鐵銹、氧化皮和油垢敏感性較小的酸性焊條，以免產(chǎn)生氣孔等缺點(diǎn)。[3]焊接部件因受條件限制不能翻轉(zhuǎn)時(shí)，必須選用能在任何空間位臵（全位臵）進(jìn)行焊接的焊條。（5）根據(jù)工地設(shè)備和勞動(dòng)條件選用焊條1）根據(jù)工地設(shè)備狀況選用焊條[1]在沒有直流焊機(jī)的工作場(chǎng)所，不能選用***用直流電源的堿性焊條，應(yīng)選用交流焊條或交、直流兩用的堿性焊條。[2]對(duì)于某些焊件，若選用一般焊條。</p><p> 焊條介紹及1、焊芯及藥皮涂有藥皮的供手弧焊用的熔化電極，叫做焊條。焊條由藥皮和焊芯兩大部分所組成。焊條端部有一段沒有藥皮的夾持端，被焊鉗夾住后可以傳導(dǎo)電流（藥皮不導(dǎo)電），焊條末端的藥皮磨成錐形，便于焊接時(shí)引弧。焊條上端藥皮處印有該焊條的型號(hào)或牌號(hào)，以便焊工使用時(shí)識(shí)別。（1）焊芯碳素結(jié)構(gòu)鋼和低合金結(jié)構(gòu)鋼焊接用的焊條，其焊芯材料為低碳鋼。常用牌號(hào)為H08A，含義如下：H08A焊芯的化學(xué)成分，見表3-1。碳在焊接過程中會(huì)引起飛濺，并使焊縫產(chǎn)生氣孔和裂紋，所以必須限制焊芯中碳的含量。焊芯的長(zhǎng)度與焊芯的直徑（即焊條的直徑）有關(guān)，見表3-2。焊芯直徑越細(xì)，電阻越大，焊接時(shí)由于電流通過焊芯所產(chǎn)生的電阻熱也越大，使藥皮發(fā)紅變質(zhì)，所以其長(zhǎng)度就越短。生產(chǎn)中常用的焊芯直徑是，，。（2）藥皮在焊接過程中藥皮的作用是：1）使電弧穩(wěn)定燃燒。2）產(chǎn)生熔渣和氣體，防止空氣中的氧、氮侵入焊縫金屬，以提高焊縫質(zhì)量。3）產(chǎn)生的熔渣覆蓋在焊縫上，使焊縫表面成形良好。4）通過熔渣與熔化金屬之間的化學(xué)反應(yīng)，能增加焊縫金屬中合金元素的含量，改善和提高焊縫金屬的力學(xué)性能。大多數(shù)焊絲屬于此類，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="江蘇H13焊絲供應(yīng)商,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671406250/559850.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?？梢姽饩€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。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。非常適合鑄造件缺點(diǎn)，零件表面拉傷、磨損，模具缺點(diǎn)的修復(fù)。江蘇H13焊絲供應(yīng)商</p><p style="text-indent:25px">?用薄鋼帶卷成圓形或異形鋼管，內(nèi)填一定成分的藥粉，經(jīng)拉制成的有縫藥芯焊絲。江蘇H13焊絲供應(yīng)商</p><p> A172不銹鋼焊條符合GBE307-16相當(dāng)AWSE307-16說(shuō)明:A172是鈦型藥皮的不銹鋼焊條，交直流兩用。焊縫金屬具有優(yōu)良的抗裂性。用途:適于ASTM307鋼及其它異種鋼焊接，也可用于耐沖擊腐蝕鋼和過渡層堆焊。如高錳鋼、淬硬鋼等。A201不銹鋼焊條符合GBE316-16相當(dāng)AWSE316-16說(shuō)明:A201是鈦型藥皮的低碳Cr18Ni12Mo2不銹鋼焊條。施焊時(shí)藥皮具有不發(fā)紅、不開裂的特點(diǎn)，由于熔敷金屬添加Mo。故具有良好的耐蝕、耐熱及抗裂性能，特別對(duì)抗氯離子點(diǎn)蝕有好處?？山恢绷鲀捎谩Ｓ猛?用于焊接在有機(jī)和無(wú)機(jī)酸（非氧化性酸）介質(zhì)中工作的0Cr18Ni12Mo2不銹鋼設(shè)備。也可用于焊后不能進(jìn)行熱處理的高鉻鋼或作為異種鋼焊接。A202不銹鋼焊條符合GBE316-16相當(dāng)AWSE316-16說(shuō)明:A202是鈦鈣型藥皮的低碳Cr18Ni12Mo2不銹鋼焊條。由于焊縫金屬添加Mo，故具有良好的耐蝕、耐熱及抗裂性能，特別對(duì)抗氯離子點(diǎn)蝕有好處?？山恢绷鲀捎?，有優(yōu)良的操作工藝性能。用途:用于焊接在有機(jī)和無(wú)機(jī)酸（非氧化性酸）介質(zhì)中工作的0Cr18Ni12Mo2不銹鋼或作為異種鋼焊接。A207不銹鋼焊條符合GBE316-15相當(dāng)AWSE316-15說(shuō)明:A207是堿***皮的低碳Cr18Ni12Mo2不銹鋼焊條。由于熔敷金屬含有Mo，故具有良好的耐蝕、耐熱及抗裂性能。江蘇H13焊絲供應(yīng)商</p><p style="text-indent:25px">簡(jiǎn)敏精密五金制造(上海)有限公司是一家精密五金、普通機(jī)械設(shè)備加工(限分支機(jī)構(gòu)經(jīng)營(yíng))、銷售;模具加工(限分支機(jī)構(gòu)經(jīng)營(yíng))及維修;工業(yè)設(shè)備、包裝材料、焊材、五金配件的加工(以上限分支機(jī)構(gòu)經(jīng)營(yíng))、銷售;工業(yè)自動(dòng)化設(shè)備安裝及維修(除特種設(shè)備);自行車及配件(電動(dòng)自行車按本市產(chǎn)品目錄經(jīng)營(yíng))、蓄電池、橡膠制品、電動(dòng)工具、焊接材料、汽車配件、金屬材料、鋼材、建材的批發(fā)兼零售。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。簡(jiǎn)敏五金制造作為精密五金、普通機(jī)械設(shè)備加工(限分支機(jī)構(gòu)經(jīng)營(yíng))、銷售;模具加工(限分支機(jī)構(gòu)經(jīng)營(yíng))及維修;工業(yè)設(shè)備、包裝材料、焊材、五金配件的加工(以上限分支機(jī)構(gòu)經(jīng)營(yíng))、銷售;工業(yè)自動(dòng)化設(shè)備安裝及維修(除特種設(shè)備);自行車及配件(電動(dòng)自行車按本市產(chǎn)品目錄經(jīng)營(yíng))、蓄電池、橡膠制品、電動(dòng)工具、焊接材料、汽車配件、金屬材料、鋼材、建材的批發(fā)兼零售。的企業(yè)之一，為客戶提供良好的模具焊條，模具焊絲，特種焊絲，特種焊條。簡(jiǎn)敏五金制造不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。簡(jiǎn)敏五金制造創(chuàng)始人龔儉生，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)為客戶提供良好的服務(wù)。</p></p><br /><p>文章來(lái)源地址: 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