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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="78bhszb" 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="jsuwduw" 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>山東SM2R焊絲工廠,焊絲</p><p><span>***更新：</span>2021-02-02 00:13:30</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="xmj3kri" 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(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="wl8fgs7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="bphz77s" class="box"><p><p> A172不銹鋼焊條符合GBE307-16相當(dāng)AWSE307-16說明:A172是鈦型藥皮的不銹鋼焊條，山東SM2R焊絲工廠，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，山東SM2R焊絲工廠。A202不銹鋼焊條符合GBE316-16相當(dāng)AWSE316-16說明: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，山東SM2R焊絲工廠、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。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。山東SM2R焊絲工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東SM2R焊絲工廠,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/676197.png"></div><p> 因接觸面很小，溫度急劇上升，在未熔化前，將焊條提起，產(chǎn)生電弧的引弧方法。此種方法易于掌握，但容易沾污坡口，影響焊接質(zhì)量。上述兩種引弧方法應(yīng)根據(jù)具體情況靈活應(yīng)用。擦劃法引弧雖比較容易，但這種方法使用不當(dāng)時(shí)，會(huì)擦傷焊件表面。為盡量減少焊件表面的損傷，應(yīng)在焊接坡口處擦劃，擦劃長度以20～25mm為宜。在狹窄的地方焊接或焊件表面不允許有劃傷時(shí)，應(yīng)采用碰擊法引弧。碰擊法引弧較難掌握，焊條的提起動(dòng)作太快并且焊條提得過高，電弧易熄滅；動(dòng)作太慢，會(huì)使焊條粘在工件上。當(dāng)焊條一旦粘在工件上時(shí)，應(yīng)迅速將焊條左右擺動(dòng)，使之與焊件分離；若仍不能分離時(shí)，應(yīng)立即松開焊鉗切斷電源，以免短路時(shí)間過長而損壞電焊機(jī)。(3)引弧的技術(shù)要求。在引弧處，由于鋼板溫度較低，焊條藥皮還沒有充分發(fā)揮作用，會(huì)使引弧點(diǎn)處的焊縫較高，熔深較淺，易產(chǎn)生氣孔，所以通常應(yīng)在焊縫起始點(diǎn)后面10mm處引弧，如圖3—15。引燃電弧后拉長電弧，并迅速將電弧移至焊縫起點(diǎn)進(jìn)行預(yù)熱。預(yù)熱后將電弧壓短，酸性焊條的弧長約等于焊條直徑，堿性焊條的弧長應(yīng)為焊條直徑的一半左右，進(jìn)行正常焊接。采用上述引弧方法即使在引弧處產(chǎn)生氣孔，也能在電弧第二次經(jīng)過時(shí)，將這部分金屬重新熔化。江西SM2R焊絲銷售?自保護(hù)藥芯焊絲，是在氣保護(hù)藥芯焊絲問市不久，便被發(fā)展出來，也很快的被工業(yè)界廣為認(rèn)同于特定的用途上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東SM2R焊絲工廠,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265664882812/4463123.png"></div><p> 1954年哈爾濱鍋爐廠從德國引進(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,又有鎢極消耗比直流反接法少的特點(diǎn),適用于鋁、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),10號(hào)。噴嘴直徑的選擇不宜過大,否則會(huì)妨礙操作,浪費(fèi)氬氣;但也不宜過小,否則熔池保護(hù)不好,容易產(chǎn)生缺點(diǎn)。</p><p> 熔敷金屬具有良好的力學(xué)性能及抗晶間腐蝕性能。有優(yōu)良的焊接工藝性能和抗氣孔性能，藥皮耐發(fā)紅、抗開裂。可交直流兩用。用途:用于焊接工作溫度低于300℃的耐腐蝕的0Cr19Ni9及0Cr19Ni11Ti的不銹鋼結(jié)構(gòu)。A107不銹鋼焊條符合GBE308-15相當(dāng)AWSE308-15說明:A107是堿***皮的Cr19Ni10不銹鋼焊條。熔敷金屬具有良好的力學(xué)性能及抗晶間腐蝕性能。采用直流反接，能進(jìn)行全位置焊接。用途:用于焊接工作溫度低于300℃的耐腐蝕的0Cr19Ni9型不銹鋼結(jié)構(gòu)，也可焊接一些可焊性較差的鋼材（如高鉻鋼等）以及堆焊不銹鋼表面層。特色A132不銹鋼焊條特色符合GBE347-16說明:A132是鈦鈣型藥皮含Nb穩(wěn)定劑的Cr19Ni10Nb不銹鋼焊條，具有優(yōu)良的抗晶間腐蝕性能和良好的機(jī)械性能。具有優(yōu)良的焊接工藝和抗氣孔性能，藥皮耐發(fā)紅、抗開裂，可交直流兩用。用途:用于焊接重要的耐腐蝕含Ti穩(wěn)定的0Cr19Ni11Ti型不銹鋼。A137不銹鋼焊條符合GBE347-15說明:A137是堿***皮、低碳含Nb穩(wěn)定劑的Cr19Ni10Nb不銹鋼焊條，具有優(yōu)良的抗晶間腐蝕性能。采用直流反接，能進(jìn)行全位置焊接。用途:用于焊接重要的耐腐蝕含Ti穩(wěn)定的0Cr19Ni11Ti型不銹鋼。藥芯焊絲的制造過程控制非常嚴(yán)謹(jǐn)，熔填金屬來自鋼片皮材及焊劑所含的成份。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東SM2R焊絲工廠,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265685117187/5944643.png"></div><p> 主回路斷電。同時(shí)Jc-2斷開，控制回路斷電，焊機(jī)全部停止工作。焊接電流的調(diào)節(jié)依靠面板上的電流調(diào)節(jié)控制器，來改變磁放大器控制或線圈中直流電大小使鐵芯中的磁通發(fā)生相應(yīng)變化，從而調(diào)整了焊接電流的大小。熱將接線板燒毀或使由焊鉗過熱而無法工作。三、負(fù)載持續(xù)率焊接設(shè)備銘牌中都標(biāo)有負(fù)載持續(xù)率。負(fù)載持續(xù)率是用來表示焊接設(shè)備工作狀態(tài)的參數(shù)，它是在選定的工作時(shí)間周期內(nèi)允許焊接設(shè)備連續(xù)負(fù)載的時(shí)間。眾所周知，焊接設(shè)備工作時(shí)會(huì)發(fā)熱，溫升過高會(huì)把焊接設(shè)備的線包絕緣燒毀(一般焊接設(shè)備的溫度不得超過60～80℃)。溫升與焊接電流大小有關(guān)，同時(shí)也與焊機(jī)使用狀態(tài)有關(guān)，連續(xù)運(yùn)轉(zhuǎn)與斷續(xù)使用時(shí)溫升情況不一樣。負(fù)載持續(xù)率計(jì)算方法如下：標(biāo)準(zhǔn)規(guī)定：500A以下的焊接設(shè)備選定的工作時(shí)間周期為5分鐘。計(jì)算時(shí)，每個(gè)5分鐘內(nèi)測出電弧燃燒時(shí)間，代入式中即得出焊機(jī)負(fù)載持續(xù)率。表3—3和表3—4給出了交流弧焊機(jī)BX3一300的負(fù)載持續(xù)率和硅整流弧焊機(jī)ZXG一300的負(fù)載持續(xù)率及相應(yīng)的工作電流。表3—3BX3—300交流弧焊機(jī)負(fù)載持續(xù)率負(fù)載持續(xù)率(％)焊接電流(A)表3—4ZXG—300硅整流弧焊機(jī)負(fù)載持續(xù)率負(fù)載持續(xù)率(％)焊接電流(A)四、焊機(jī)的外特性在規(guī)定范圍內(nèi)。自保護(hù)藥芯焊絲，是在氣保護(hù)藥芯焊絲問市不久，便被發(fā)展出來，也很快的被工業(yè)界廣為認(rèn)同于特定的用途上。江西SM2R焊絲銷售</p><p style="text-indent:25px">加入穩(wěn)弧劑使電弧穩(wěn)定，熔滴過渡均勻。山東SM2R焊絲工廠</p><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(duì)接平焊、多層焊的***層焊道和多層多道焊。2)直線往返形運(yùn)條法。此法是焊條末端沿焊縫的縱向作來回直線形擺動(dòng)，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(diǎn)是焊接速度快，焊縫窄，散熱快。直線往返形運(yùn)條法3)鋸齒形運(yùn)條法。此法是將焊條末端作鋸齒形連續(xù)擺動(dòng)并向前移動(dòng)，如圖3—19所示，在兩邊稍停片刻，以防產(chǎn)生咬邊缺點(diǎn)。這種手法操作容易、應(yīng)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(duì)接接頭和立焊的角接接頭。鋸齒形運(yùn)條法4)月牙形運(yùn)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(dòng)，并在兩邊的適當(dāng)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(diǎn)。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(yùn)條法基本相同，但用此法焊出來的焊縫余高較大。其優(yōu)點(diǎn)是，能使金屬熔化良好，而且有較長的保溫時(shí)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(yùn)條法5)三角形運(yùn)條法。如圖3—21所示，此法是使焊條末端作連續(xù)三角形運(yùn)動(dòng)，并不斷向前移動(dòng)。山東SM2R焊絲工廠</p><p style="text-indent:25px">簡敏精密五金制造(上海)有限公司總部位于顧北東路365號(hào)C區(qū)1101，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)、銷售;模具加工(限分支機(jī)構(gòu)經(jīng)營)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)、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)、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。公司自創(chuàng)立以來，投身于模具焊條，模具焊絲，特種焊絲，特種焊條，是五金、工具的主力軍。簡敏五金制造繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。簡敏五金制造始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使簡敏五金制造在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3113248.html</p></div></div></div></div></div><div id="xmeb7ik" class="page-right twoColRt"><div id="3ziprnc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hb3aceq" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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