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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3fnn7fl" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265685117187/5944643.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vd1nb7f" 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>江蘇鈷基焊絲供貨廠</p><p><span>***更新：</span>2020-06-26 10:21:45</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="rbfrfnt" 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="hflvbfl" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rh7l5nj" class="box"><p><p> 三)面罩及其它防護(hù)用具面罩的主要作用是保護(hù)電焊工的眼睛和面部不受電弧光的輻射和灼傷，面罩分手持式和頭盔式兩種。面罩上的護(hù)目玻璃起到減弱電弧光并過(guò)濾紅外線、紫外線的作用。護(hù)目玻璃有不同色號(hào)、目前以黑綠色的為多，應(yīng)根據(jù)電焊工的年齡和視力情況盡量選擇顏色較深的護(hù)目玻璃以保護(hù)視力。護(hù)目玻璃外還加有相同尺寸的一般玻璃，以防金屬飛濺沾污護(hù)目玻璃。焊工用護(hù)目遮光鏡片的選用可按表11—8進(jìn)行。其它防護(hù)用品有電焊工在工作時(shí)需佩帶的**電焊手套和護(hù)腳，以及清渣時(shí)應(yīng)戴的平光眼鏡。六、交流弧焊機(jī)與直流弧焊機(jī)的比較交流弧焊機(jī)的主要優(yōu)點(diǎn)是成本低，江蘇鈷基焊絲供貨廠、制造維護(hù)簡(jiǎn)單，噪聲較小；缺點(diǎn)是不能適應(yīng)堿性焊條，且焊接電壓、電流容易受到電網(wǎng)波動(dòng)的干擾。直流弧焊機(jī)的優(yōu)點(diǎn)是電弧穩(wěn)定，焊條適應(yīng)性強(qiáng)；缺點(diǎn)是成本較高，制造維修較復(fù)雜，江蘇鈷基焊絲供貨廠，重量較重，江蘇鈷基焊絲供貨廠。但由于優(yōu)點(diǎn)明顯，直流弧焊機(jī)是大有前途的電焊機(jī)。表3—7列出了兩類焊機(jī)的性能比較。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇鈷基焊絲供貨廠" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265685117187/5944643.png"></div><p> 也可用于硬化性大的鉻鋼（如Cr5Mo、Cr9Mo、Cr13、Cr28等）以及異種鋼的焊接。A407不銹鋼焊條符合GBE310-15相當(dāng)AWSE310-15說(shuō)明:A407是堿***皮的Cr26Ni21純奧氏體不銹鋼焊條。熔敷金屬900~1100℃高溫條件下具有優(yōu)良的抗氧化性。采用直流反接，可進(jìn)行全位置焊接。由于焊縫為純奧氏體，抗熱裂性能不及雙相組.織的好。用途:用于同類型的耐熱不銹鋼，不銹鋼襯里以及異種鋼的焊接，也可用來(lái)焊接硬化性大的Cr5Mo、Cr9Mo、Cr13及Cr28鋼等的焊接。A412不銹鋼焊條符合GBE310Mo-16相當(dāng)AWSE310Mo-16說(shuō)明:A412是鈦鈣型藥皮的Cr26Ni21Mo2純奧氏體不銹鋼焊條。由于熔敷金屬中添加了Mo，故耐蝕性、耐熱性、抗裂性能均比A402、A407有所改善。交直流兩用，操作工藝性能良好。用途:用于焊接在高溫下工作的耐熱不銹鋼，也可用來(lái)焊接不銹鋼襯里、異種鋼等。在焊接淬硬性高的碳鋼、低合金鋼時(shí)韌性極好。A422不銹鋼焊條說(shuō)明:A422是鈦鈣型藥皮的Cr25Ni18Mn8不銹鋼焊條,交直流兩用。由于焊縫中加入了較多的Mn，因而提高了焊縫的抗熱裂性能。用途:用于補(bǔ)焊爐卷軌機(jī)上的Cr25Ni20Si2奧氏體耐熱鋼卷筒，也可用于焊接異種鋼等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇鈷基焊絲供貨廠" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265688232422/703661.png"></div><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。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/397638.html</p></div></div></div></div></div><div id="5xb1xnr" class="page-right twoColRt"><div id="j5dzdhx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xlbljr7" class="recomPic 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