昆山特種焊絲銷售廠歡迎來電簡敏精密五金制造供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 紅外線輻射約為普通焊條電弧焊的1～，氬弧焊電弧產(chǎn)生的紫外線輻射約為焊條電弧焊的5～20倍。在有限空間內(nèi)焊接時，臭氧的濃度可增大到危險程度，在焊接過程中，還會產(chǎn)生二氧化碳，昆山特種焊絲銷售廠，一"><meta name="keywords" content="昆山特種焊絲銷售廠"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" 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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>?昆山特種焊絲銷售廠歡迎來電簡敏精密五金制造供應(yīng)</p><div id="j8mdmx9" class="leftbox clearfix"><h1>昆山特種焊絲銷售廠歡迎來電簡敏精密五金制造供應(yīng)</h1><div id="x2v3pgz" class="proBig"><div id="ajv4czi" 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="vequqhd" 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="exzjaws" 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(guān)鍵詞：</span>昆山特種焊絲銷售廠</p><p><span>***更新：</span>2020-06-04 01:14:44</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="at7ij79" 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="783j8jz" class="page-proshow02"><p class="title">詳細說明</p><div id="mfzrwcd" class="box"><p><p> 紅外線輻射約為普通焊條電弧焊的1～，氬弧焊電弧產(chǎn)生的紫外線輻射約為焊條電弧焊的5～20倍。在有限空間內(nèi)焊接時，臭氧的濃度可增大到危險程度，在焊接過程中，還會產(chǎn)生二氧化碳，昆山特種焊絲銷售廠，一氧化碳等有害氣體和金屬粉塵，這些都對焊工產(chǎn)生一定的危害。所以我們在焊接過程中要做好防護，選用電極的材料，要盡量選用放射性小的鈰鎢。磨削電極時，要戴好口罩，手套，且工作后要洗手，讓危害降到比較低。高頻電磁場的危害焊接通常使用高頻振蕩器的頻率為200～500kHz，電壓2500～3500V，電場強度140～190V/m。引弧時，產(chǎn)生的高頻電磁場強度在60～110V/m之間，超過參考衛(wèi)生標準(20V/m)數(shù)倍。在非熔化極氬弧焊和等離子弧焊割時，常用高頻振蕩器來激發(fā)引弧，有的交流氬弧焊機還用高頻振蕩器來穩(wěn)定電弧。人體在高頻電磁場作用下，能吸收一定的輻射能量，產(chǎn)生生物學(xué)效應(yīng)，主要是熱作用。高頻電磁場強度受許多因素影響，如距離，振蕩器和振蕩回路越近場強越高，反之則越低。此外，與高頻部分的屏蔽程度等有關(guān)。人體在高頻電磁場作用下會產(chǎn)生生物學(xué)效應(yīng)，焊工長期接觸高頻電磁場能引起植物神經(jīng)功能紊亂和神經(jīng)衰弱。表現(xiàn)為全身不適、頭昏頭，昆山特種焊絲銷售廠.痛，昆山特種焊絲銷售廠、疲乏、食欲不振、***及血壓偏低等癥狀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆山特種焊絲銷售廠" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671406250/559850.png"></div><p> A502不銹鋼焊條符合GBE16-25MoN-16說明:A502是鈦鈣型藥皮的純奧氏體Cr16Ni25Mo6不銹鋼焊條。交直流兩用。用途:用于焊接淬火狀態(tài)下的低合金和中合金鋼、異種鋼及剛性較大的結(jié)構(gòu)以及相應(yīng)的熱強鋼等。如淬火狀態(tài)下的30CrMnSi以及不銹鋼、碳鋼及異種鋼焊接。A507不銹鋼焊條符合GBE16-25MoN-15說明:A507是堿***皮的純奧氏體Cr16Ni25Mo6不銹鋼焊條。采用直流反接，可進行全位置焊接。用途:用于焊接淬火狀態(tài)下的低合金和中合金鋼、異種鋼及剛性較大的結(jié)構(gòu)，以及相應(yīng)的熱強鋼等。如淬火狀態(tài)下的30CrMnSi、不銹鋼和碳鋼焊接等。A607不銹鋼焊條符合GBE330MoMnWNb-15說明:A607是堿***皮的純奧氏體Cr16Ni35不銹鋼焊條，因焊條中加入強化元素，故具有良好的高溫性能。采用直流反接，可進行全位置焊接。用途:用于在850-900℃高溫條件下工作的同類型不銹鋼材料的焊接，以及制氫轉(zhuǎn)化爐中**管和膨脹管（如Cr20Ni32和Cr18Ni37材料）的焊接。A902不銹鋼焊條符合GBE320-16相當AWSE320-16說明:A902是鈦鈣型藥皮的不銹鋼焊條，交直流兩用。具有優(yōu)異的耐腐蝕性和較強的抗氧化能力。在化工、石油和制氫等制造、安裝工程中廣泛應(yīng)用，還可作異種鋼焊接材料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆山特種焊絲銷售廠" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265664882812/4463123.png"></div><p> 電感線圈的感抗電壓降使電焊機獲得較低的工作電壓，這是電焊機具有陡降外特性的原因。引弧時，電焊機能供給較高的電壓和較小的電流，當電弧穩(wěn)定燃燒時，電流增大，而電壓急劇降低；當焊條與工件短路時，也限制了短路電流。焊接電流調(diào)節(jié)分為粗調(diào)、細調(diào)兩檔。電流的細調(diào)靠移動鐵芯4改變變壓器的漏磁來實現(xiàn)。向外移動鐵芯，磁阻增大，漏磁減小，則電流增大，反之，則電流減少。電流的粗調(diào)靠改變次級繞組的匝數(shù)來實現(xiàn)。該電弧焊機的工作條件為應(yīng)在海拔不超過1000m，周圍空氣溫度不超過+40℃、空氣相對濕度不超過85％等條件下使用，不應(yīng)在有害工業(yè)氣體、水蒸汽、易燃、多灰塵的場合下工作。二、直流弧焊機(一)結(jié)構(gòu)由于整流或直流弧焊機與直流弧焊發(fā)電機比較，因沒有機械旋轉(zhuǎn)部分，具有噪音小，空載損耗小、效率高、成本低和制造維護簡單等優(yōu)點。因此，有取代直流弧焊發(fā)電機的趨勢，在這里只介紹整流式直流弧焊機。整流式直流弧焊機常用型號如ZXG—300、ZXG—400等。硅整流電弧焊機是利用硅半導(dǎo)體整流元件(二極管)將交流電變?yōu)橹绷麟娮鳛楹附与娫础D3—10為硅整流電弧焊機的結(jié)構(gòu)示意圖。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆山特種焊絲銷售廠" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265688232422/703661.png"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/136339.html</p></div></div></div></div></div><div id="8wuqsuq" class="page-right twoColRt"><div id="dacovbn" class="box01 margin10 clearfix"><h3><a 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