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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>?南京特種焊條焊絲供應(yīng)商歡迎來電簡(jiǎn)敏精密五金制造供應(yīng)</p><div id="wqec4oe" class="leftbox clearfix"><h1>南京特種焊條焊絲供應(yīng)商歡迎來電簡(jiǎn)敏精密五金制造供應(yīng)</h1><div id="g4musgw" class="proBig"><div id="kyg4mgw" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/3318362.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cgw2wkk" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/3318362.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="agwkaoe" 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>南京特種焊條焊絲供應(yīng)商</p><p><span>***更新：</span>2020-06-07 03:16:59</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="4i0oeci" 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="waqwkiy" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="wuaq4ma" class="box"><p><p> 需要消耗大量有.毒、易燃溶劑，生產(chǎn)成本高，對(duì)人體傷害大，南京特種焊條焊絲供應(yīng)商，污染環(huán)境，占地大，難于實(shí)現(xiàn)連續(xù)化操作。因此，推薦采用烙融接枝法。[0026]在一種實(shí)施方式中，所述MAH-g-SEBS中，ΜΑΗ的接枝率為1%~3%;推薦地，所述MAH-g-SEBS中，南京特種焊條焊絲供應(yīng)商，ΜΑΗ的接枝率為2〇/〇。[0027]本申請(qǐng)中的馬來酸酢改性EVA(MAH-g-EVA)也無(wú)特別限定，可W為市售的或?qū)嶒?yàn)合成的，例如可W采用溶液接枝和烙融接枝兩種方法得到。[0028]在一種實(shí)施方式中，所述MAH-g-EVA中，南京特種焊條焊絲供應(yīng)商，ΜΑΗ的接枝率為1%~5%;推薦地，所述MAH-g-EVA中，ΜΑΗ的接枝率為3〇/〇。[0029]本申請(qǐng)中的術(shù)語(yǔ)"橫化聚苯并咪挫-硅氧烷共聚物"是指由橫化聚苯并咪挫預(yù)聚物與含硅氧烷預(yù)聚物共聚得到的產(chǎn)物。[0030]在一種實(shí)施方式中，所述橫化聚苯并咪挫-硅氧烷共聚物由氨基封端橫化聚苯并咪挫預(yù)聚物與含硅氧烷二酢按摩爾比1:()制備得到；推薦地，氨基封端橫化聚苯并咪挫預(yù)聚物與含硅氧烷二酢的摩爾比為1:();更推薦地，氨基封端橫化聚苯并咪挫預(yù)聚物與含硅氧烷二酢的摩爾比為1:〇.95。[0031]在一種實(shí)施方式中，所述氨基封端橫化聚苯并咪挫預(yù)聚物由四胺和橫化二酸按摩爾比為1:()制備得到；推薦地，四胺和橫化二酸的摩爾比為1:。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京特種焊條焊絲供應(yīng)商" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/3318362.png"></div><p> 焊接時(shí)聽到沙……沙的聲音，（小電流時(shí)聲音是滋滋聲）。焊接時(shí)焊機(jī)的電流表，電壓表的指針穩(wěn)定，擺動(dòng)小。2.比較好規(guī)范的調(diào)整方法：根據(jù)焊件厚度，焊縫位置，選擇焊絲直徑，氣體流量，焊接電流。在試板上試焊，根據(jù)選擇的送絲速度，細(xì)心調(diào)整焊接電壓，比較好的浮動(dòng)焊接電壓一般在1-2V之間。根據(jù)試板上焊縫成形情況，適當(dāng)調(diào)整送絲速度，焊接電壓，達(dá)到比較好焊接規(guī)范。在工件上正式焊接過程中，應(yīng)注意焊接回路，接觸電阻引起的電壓降，及時(shí)調(diào)整（微調(diào)）焊接電壓，確保焊接過程穩(wěn)定。3.焊接規(guī)范匹配不良的焊接現(xiàn)象及排除：當(dāng)焊絲端頭始終有滴狀金屬小球存在，且過度頻率偏低，此情況說明焊接電壓偏高，此時(shí)應(yīng)加快焊絲速度或降低焊接電壓。當(dāng)焊絲干伸偏短時(shí)能正常焊接，稍長(zhǎng)就出現(xiàn)頂絲現(xiàn)象，說明焊接電壓偏低，此時(shí)應(yīng)通過降低送絲速度或升高焊接電壓。4、調(diào)試焊接參數(shù)時(shí)應(yīng)注意以下幾點(diǎn)：先把送絲速度調(diào)低點(diǎn)。再調(diào)焊接電壓，焊接電流應(yīng)根據(jù)焊接母材的厚度來控制。再調(diào)送絲速度，這時(shí)把送絲調(diào)到正好（電弧能夠把焊絲溶解，且溶解的很舒服）。聽聲音，看飛濺。如果溶解的很舒服，聲音是很平穩(wěn)的，不會(huì)乒乓作響，飛濺也少。5、在保證焊縫熔透（這里不是焊穿的意思）的情況下。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京特種焊條焊絲供應(yīng)商" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275556279297/5986838.png"></div><p> 涂抹硅油6.采用高純度co2氣體7.保持合適的焊絲干伸長(zhǎng)焊絲成蛇形狀1.焊絲干伸過長(zhǎng)2.焊絲矯直輪裝置調(diào)整不合適3.送絲輪壓力過大4.送絲裝置或送絲軟管有污物5.焊絲質(zhì)量問題1.保持合適的干伸長(zhǎng)2.重新調(diào)整3.重新調(diào)整壓力4.***污物5.更換焊絲送絲電機(jī)不轉(zhuǎn)或不送絲1．送絲輪打滑2.焊絲與導(dǎo)電嘴熔合3.送絲輪與導(dǎo)電嘴間焊絲卷曲4.焊開關(guān)接觸不良或損壞，斷開送絲軟管堵塞1.調(diào)整送絲輪壓力2.更換導(dǎo)電嘴3.剪除該段焊絲，重新裝焊絲4.修復(fù)或更換5.清理或更換焊絲與導(dǎo)電嘴融合1.引弧時(shí)送絲太慢或規(guī)范不好2.焊絲干伸過長(zhǎng)3.導(dǎo)電嘴磨損1.調(diào)節(jié)焊接規(guī)范2.保持合適的干伸長(zhǎng)3.更換導(dǎo)電嘴噴嘴與工件間引弧1.飛濺在噴嘴內(nèi)堆積2.噴嘴絕緣層燒損1.清理飛濺2.更換噴嘴接頭熔深淺，焊縫成形太高1.電流太小，電壓太低，電感太小2.焊絲干伸太長(zhǎng)3.極性接反4.焊絲太細(xì)，焊件太厚1.適當(dāng)調(diào)節(jié)焊接規(guī)范2.減小干伸長(zhǎng)3.負(fù)極接工件4.更換焊絲co2氣體不流出或無(wú)法關(guān)斷1.氣路堵塞：1減壓表凍結(jié)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京特種焊條焊絲供應(yīng)商" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265685263672/7237309.png"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/172500.html</p></div></div></div></div></div><div id="isiqo22" class="page-right twoColRt"><div 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