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clearfix"><div id="rvskmtv" class="twoCol"><div id="ga3b2rt" 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</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>?江蘇鈷基焊絲歡迎來電簡敏精密五金制造供應</p><div id="vzwtlxu" class="leftbox clearfix"><h1>江蘇鈷基焊絲歡迎來電簡敏精密五金制造供應</h1><div id="c3aubxe" class="proBig"><div id="w0ifcel" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671406250/559850.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ripczld" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671406250/559850.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="q98utfm" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>江蘇鈷基焊絲,焊絲</p><p><span>***更新：</span>2020-10-19 03:06:54</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="2tv7gd3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">簡敏精密五金制造(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: </span>021-69726282</p><p><span>地址: </span>顧北東路365號C區(qū)1101</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="ugnum32" class="page-proshow02"><p class="title">詳細說明</p><div id="ieb7bnp" class="box"><p><p> 對本實用新型作進一步說明：結(jié)合圖1—圖4所示，一種防腐罐用焊條自動生產(chǎn)設備，由塑料擠出機a、水冷循環(huán)系統(tǒng)b、自動切斷機構(gòu)c、焊條接斗d組成，四者從前到后依次布置。水冷循環(huán)系統(tǒng)b，主要由機架1、水槽2、焊條導向桿3、水龍頭4、水管5和水泵組成。機架1上方設置有長條形的水槽2，水槽2由水平隔板分割成上層槽2a和下層槽，上層槽2a呈敞開狀態(tài)，下層槽為封閉狀態(tài)。在水槽2的兩端設置有連通槽2c。上層槽2a的前壁、后壁上對應開設有焊條過孔2b，焊條過孔的直徑為等邊三角形焊條19邊長的兩倍到三倍之間，供從塑料擠出機出來的焊條通過，同時還能確保上層槽2a的冷卻水由焊條過孔2b流入連通槽2c。限定焊條過孔的直徑與等邊三角形焊條邊長之間的關系，既能確保對焊條位置的限定，又能確保水流量，江蘇鈷基焊絲。在上層槽2a內(nèi)前后間隔安裝有兩根水平設置的焊條導向桿3，但不限于兩根，對通過的焊條進行導向。焊條過孔2b，江蘇鈷基焊絲、焊條導向桿3在高度上齊平，確保焊條在水冷過程中水平地順暢通過，防止焊條彎曲變形，江蘇鈷基焊絲。上層槽2a的冷卻水能經(jīng)焊條過孔2b流入連通槽2c，并**終流進下層槽，再由水泵將下層槽的水泵入與水龍頭4相連的水管5。水龍頭4位于上層槽2a的前壁上方并正對焊條過孔2b。藥芯焊絲的制造過程控制非常嚴謹，由于熔填金屬來自鋼片皮材及焊劑所含的成份。江蘇鈷基焊絲</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇鈷基焊絲,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671406250/559850.png"></div><p> 后者只預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，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加熱熔化。焊接時，應盡可能進行單層焊，板厚小于5mm的接頭，比較好能一次焊完。焊后焊件應加熱到300～400℃進行退火處理，消除焊接應力，以防止黃銅構(gòu)件在使用時破裂。4．黃銅碳弧焊黃銅碳弧焊時，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。焊接應短弧操作，以減少鋅的蒸發(fā)和燒損。上海鈷基焊絲價格請按焊絲的類別、規(guī)格分類存放、防止錯用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇鈷基焊絲,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669218750/3372736.png"></div><p> 有利于保證焊縫的機械性能。不重要的焊縫也可用基本金屬切條作焊絲。氣體熔劑：由硼酸甲醇的混合液（沸點55℃）揮發(fā)而成。由乙炔帶入火焰中與氧反應生成硼酐（B2O3）、二氧化碳和水蒸氣。硼酐凝結(jié)到基本金屬及焊絲上。焊接時產(chǎn)生強烈脫氧作用，與氧化物生成硼酸鹽，以鹽膜狀態(tài)浮在熔池表面，能有效地防止鋅的蒸發(fā)。氣體熔劑已成功地應用于黃銅的焊接和堆焊上。（2）火焰性質(zhì)：預熱時采用中性火焰，以免工件表面氧化。而焊接時應采用輕微氧化焰，這是因為輕微氧化焰雖然燒損一部分鋅，使熔池表面形成一層氧化鋅薄膜（熔點1800℃），但它支能防止熔池中的鋅大量蒸發(fā)。輕微氧化焰到何種程度為宜，一般是對好中性焰后，用手稍微調(diào)一下氧氣調(diào)節(jié)閥，聽到有“吃、吃”聲就可以了。（3）焊粉的使用方法：一般不將焊粉灑在工件上。為了節(jié)省沾焊粉時間，將焊粉倒入長槽中，再把用焊炬加熱的焊絲橫放在焊粉中滾動，使焊絲表面沾上一層焊粉（約為—1毫米厚），然后排列在傾斜的架子上，以備使用。（4）操作要點：焊炬上下跳動，不作橫向擺動。焊速較快。其它與紫銅氣焊相同。2．黃銅的焊條電弧焊焊條采用青銅芯焊條，如ECuSn-B（T227）、ECuAl-C（T237）。</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行，一般焊前烘干工藝要求為350°×1小時，雨季或潮濕天氣可提高到400°×1小時。烘干不好，后果很嚴重，不但會產(chǎn)生焊接缺點，也會嚴重影響焊接工藝性能，千萬不要大意！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都寫得很清楚?！锊僮饕c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，手把要穩(wěn)，電弧越短越好。運條時，焊條傾角與焊縫前進方向成85°-90°，與左右保持垂直，如果焊條傾角過大或左右不正，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用渣氣聯(lián)合保護功能，保護熔池不受空氣侵襲，保護熔池焊接冶金反應順利進行，減少焊接缺點的產(chǎn)生。多層焊時，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，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。氟石、石灰石等需添加在自保護藥芯焊絲中使燃燒產(chǎn)生保護氣體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇鈷基焊絲,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/676197.png"></div><p> 且焊縫寬度較窄。在正常的焊接速度下，焊波飽滿平整。此法適用于板厚3～5mm的不開坡口的對接平焊、多層焊的***層焊道和多層多道焊。2)直線往返形運條法。此法是焊條末端沿焊縫的縱向作來回直線形擺動，如圖3—18所示，主要適用于薄板焊接和接頭間隙較大的焊縫。其特點是焊接速度快，焊縫窄，散熱快。直線往返形運條法3)鋸齒形運條法。此法是將焊條末端作鋸齒形連續(xù)擺動并向前移動，如圖3—19所示，在兩邊稍停片刻，以防產(chǎn)生咬邊缺點。這種手法操作容易、應用較廣，多用于比較厚的鋼板的焊接，適用于平焊、立焊、仰焊的對接接頭和立焊的角接接頭。鋸齒形運條法4)月牙形運條法。如圖3—20所示，此法是使焊條末端沿著焊接方向作月牙形的左右擺動，并在兩邊的適當位置作片刻停留，以使焊縫邊緣有足夠的熔深，防止產(chǎn)生咬邊缺點。此法適用于仰、立、平焊位置以及需要比較飽滿焊縫的地方。其適用范圍和鋸齒形運條法基本相同，但用此法焊出來的焊縫余高較大。其優(yōu)點是，能使金屬熔化良好，而且有較長的保溫時間，熔池中的氣體和熔渣容易上浮到焊縫表面，有利于獲得高質(zhì)量的焊縫。月牙形運條法5)三角形運條法。如圖3—21所示，此法是使焊條末端作連續(xù)三角形運動，并不斷向前移動。在氣焊和鎢極氣體保護電弧焊時，焊絲用作填充金屬。江蘇鈷基焊絲</p><p style="text-indent:25px">二氧化碳氣體保護電弧焊（簡稱CO2焊）的保護氣體是二氧化碳（有時采用CO2+O2的混合氣體）。江蘇鈷基焊絲</p><p> 7、為使氬氣很好地保護焊接熔池，和便于施焊操作，鎢極中心線與焊接處工件一般應保持80~85°角,填充焊絲與工件表面夾角應盡可能地小，一般為10°左右。8、防風與換氣。有風的地方，務請采取擋網(wǎng)的措施，而在室內(nèi)則應采取適當?shù)膿Q氣措施。二、不銹鋼MIG焊要點及注意事項1、采用平特性焊接電源，直流時采用反極性(焊絲接正極)2、一般采用純氬氣(純度為)或Ar+2%O2,流量以20~25L/min為宜。3、電弧長度，不銹鋼的MIG焊接，一般都在噴射過渡的條件下來施焊，電壓要調(diào)整到弧長在4~6mm的程度。4、防風。MIG焊接容易受到風的影響，有時微風而產(chǎn)生氣孔，所以風速在，都應當采取防風措施。三、不銹鋼藥芯焊絲焊接要點及注意事項1、采用平特性焊接電源，直流焊接時采用反極性。使用一般的CO2焊機就可以施焊，但送絲輪的壓力請稍調(diào)松。2、保護氣體一般為二氧化碳氣體，氣體流量以20~25L/min較適宜。3、焊嘴與工件間的距離以15~25mm為宜。4、干伸長度，一般的焊接電流為250A以下時約15mm，250A以上時約20~25mm較為合適?！珰寤『笇θ梭w有多大危害？一定要重視！焊接技術氬弧焊的危害程度要比焊條電弧焊相對來說要大，但是沒有大到讓人望而生畏的地步。江蘇鈷基焊絲</p><p style="text-indent:25px">簡敏精密五金制造(上海)有限公司是一家精密五金、普通機械設備加工(限分支機構(gòu)經(jīng)營)、銷售;模具加工(限分支機構(gòu)經(jīng)營)及維修;工業(yè)設備、包裝材料、焊材、五金配件的加工(以上限分支機構(gòu)經(jīng)營)、銷售;工業(yè)自動化設備安裝及維修(除特種設備);自行車及配件(電動自行車按本市產(chǎn)品目錄經(jīng)營)、蓄電池、橡膠制品、電動工具、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，是一家集研發(fā)、設計、生產(chǎn)和銷售為一體的專業(yè)化公司。簡敏五金制造擁有一支經(jīng)驗豐富、技術創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供模具焊條，模具焊絲，特種焊絲，特種焊條。簡敏五金制造繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關鍵領域，實現(xiàn)轉(zhuǎn)型再突破。簡敏五金制造創(chuàng)始人龔儉生，始終關注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1611309.html</p></div></div></div></div></div><div id="nx2yqug" class="page-right twoColRt"><div id="8tfcel8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="tnp8nzg" 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" 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