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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zbqhi3b" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265664882812/4463123.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="f3m8bcd" 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>昆山SKD-11焊絲,焊絲</p><p><span>***更新：</span>2021-02-01 01:05:40</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="skle8hi" 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="8a8snde" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3xqj8su" class="box"><p><p> 不銹鋼焊條簡(jiǎn)介G202不銹鋼焊條符合GBE410-16相當(dāng)AWSE410-16說(shuō)明:G202是鈦鈣型藥皮的Cr13不銹鋼焊條，可交直流兩用。用途:用于焊接0Cr13和1Cr13不銹鋼結(jié)構(gòu)，也用于耐蝕、耐磨的表面堆焊。G207不銹鋼焊條符合GBE410-15相當(dāng)AWSE410-15說(shuō)明:G207是堿***皮的鉻不銹鋼焊條，采用直流反接，可進(jìn)行全位置焊接。用途:用于0Cr13及1Cr13不銹鋼結(jié)構(gòu)焊接，也可用于耐蝕堆焊，可全位置焊接。G217不銹鋼焊條符合GBE410-15相當(dāng)AWSE410-15說(shuō)明:G217是堿***皮的Cr13不銹鋼焊條，采用直流反接，可進(jìn)行全位置焊接。用途:用于焊接0Cr13和1Cr13、2Cr13不銹鋼結(jié)構(gòu)，如汽輪機(jī)葉片的補(bǔ)焊及對(duì)接，也可用于耐蝕，昆山SKD-11焊絲、耐磨的表面堆焊。G302不銹鋼焊條符合GBE430-16相當(dāng)AWSE430-16說(shuō)明:G302是鈦型藥皮的Cr17不銹鋼焊條，昆山SKD-11焊絲，可交直流兩用。用途:用于焊接耐硝酸腐蝕、耐熱的Cr17不銹鋼結(jié)構(gòu)。G307不銹鋼焊條符合GBE430-15相當(dāng)AWSE430-15說(shuō)明:G307是堿***皮的Cr17不銹鋼焊條，昆山SKD-11焊絲，采用直流反接，可進(jìn)行全位置焊接。用途:用于焊接耐硝酸腐蝕、耐熱的Cr17不銹鋼結(jié)構(gòu)。焊絲焊補(bǔ)時(shí)熱影響區(qū)非常小，不會(huì)產(chǎn)生內(nèi)應(yīng)力。昆山SKD-11焊絲</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆山SKD-11焊絲,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265664882812/4463123.png"></div><p> 使氣孔消除，并且不會(huì)留引弧傷痕。為了保證焊縫起點(diǎn)處能夠焊透，焊條可作適當(dāng)?shù)臋M向擺動(dòng)，并在坡口根部?jī)蓚?cè)稍加停頓，以形成一定大小的熔池。引弧點(diǎn)的選擇引弧對(duì)焊接質(zhì)量有一定的影響，經(jīng)常因?yàn)橐〔缓枚斐墒己傅娜秉c(diǎn)。綜上所述，在引弧時(shí)應(yīng)做到以下幾點(diǎn)：(1)工件坡口處無(wú)油污、銹斑，以免影響導(dǎo)電能力和防止熔池產(chǎn)生氧化物。(2)在接觸時(shí)，焊條提起時(shí)間要適當(dāng)。太快，氣體未電離，電弧可能熄滅；太慢，則使焊條和工件粘合在一起，無(wú)法引燃電弧。(3)焊條的端部要有裸露部分，以便引弧。若焊條端部裸露不均，則應(yīng)在使用前用銼刀加工，防止在引弧時(shí)，碰擊過(guò)猛使藥皮成塊脫落，引起電弧偏吹和引弧瞬間保護(hù)不良。(4)引弧位置應(yīng)選擇適當(dāng)，開(kāi)始引弧或因焊接中斷重新引弧，一般均應(yīng)在離始焊點(diǎn)后面10～20mm處引弧，然后移至始焊點(diǎn)，待熔池熔透再繼續(xù)移動(dòng)焊條，以消除可能產(chǎn)生的引弧缺點(diǎn)。(二)運(yùn)條電弧引燃后，就開(kāi)始正常的焊接過(guò)程。為獲得良好的焊，縫成形，焊條得不斷地運(yùn)動(dòng)。焊條的運(yùn)動(dòng)稱為運(yùn)條。運(yùn)條是電焊工操作技術(shù)水平的具體表現(xiàn)。焊縫質(zhì)量的優(yōu)劣、焊縫成形的好壞，主要由運(yùn)條來(lái)決定。運(yùn)條由三個(gè)基本運(yùn)動(dòng)合成。昆山鈷基焊絲銷售二氧化碳?xì)怏w保護(hù)電弧焊（簡(jiǎn)稱CO2焊）的保護(hù)氣體是二氧化碳（有時(shí)采用CO2+O2的混合氣體）。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆山SKD-11焊絲,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265666699219/955806.png"></div><p> 電弧周圍形成多種有害氣體，其中主要有臭氧、氮氧化物、一氧化碳和氟化氫等。臭氧是一種刺激性氣體，呈淡藍(lán)色。濃度較高時(shí)，發(fā)出腥臭味；高濃度臭氧還略帶酸味。臭氧對(duì)人體的主要危害是對(duì)呼吸道及肺有強(qiáng)烈刺激作用。往往引起咳嗽、胸悶、食欲不振、疲勞無(wú)力、頭暈、全身疼痛等，嚴(yán)重時(shí)還會(huì)引起***和肺水腫等。氮氧化物是刺激性氣體。二氧化氮呈紅褐色，具有特殊臭味。氮氧化物對(duì)人體的危害主要是對(duì)肺組.織的刺激作用。其被吸人呼吸道后，在肺泡內(nèi)逐漸與水作用形成硝酸和亞硝酸，對(duì)肺組.織產(chǎn)生強(qiáng)烈刺激和腐蝕作用，引起中毒。慢性中毒的主要癥狀是神經(jīng)衰弱，如***、***、食欲不振、體重下降。濃度高的氮氧化物能引起急性中毒，其中毒輕者，*發(fā)生急性***；重度中毒時(shí)，引發(fā)咳嗽激烈、呼吸困難、虛脫、全身軟弱無(wú)力等癥狀。氮氧化物對(duì)人體的作用也是可逆的，隨著脫離作業(yè)時(shí)間的增長(zhǎng)，其不良影響逐漸減少或消除。在鎢極氬弧焊時(shí)，如果不采取通風(fēng)措施，其濃度往往超過(guò)衛(wèi)生標(biāo)準(zhǔn)十幾倍，甚至幾十倍。我國(guó)規(guī)定的氮氧化物(換算成二氧化氮)的衛(wèi)生標(biāo)準(zhǔn)為5mg／m3。在焊接過(guò)程中，通常臭氧和氮氧化物同時(shí)存在，因此它們的毒性更大。一般情況下。</p><p> A001G15不銹鋼焊條符合GBE308L-26相當(dāng)AWSE308L-26說(shuō)明及用途：A002不銹鋼焊條符合GBE308L-16相當(dāng)AWSE308L-16說(shuō)明:A002是鈦鈣型藥皮的**碳Cr19Ni10不銹鋼焊條。其熔敷金屬含碳量≤，有很好的抗晶間腐蝕性能、良好的焊接工藝性能，藥皮耐紅，強(qiáng)度好，抗氣孔性好?？山恢绷鲀捎?。用途:用于焊接**碳Cr19Ni10不銹鋼結(jié)構(gòu)，也可用于0Cr19Ni11Ti工作溫度低于300℃耐腐蝕的不銹鋼結(jié)構(gòu)，主要用于合成纖維、化肥、石油等設(shè)備的制造。A002A不銹鋼焊條符合GBE308L-17相當(dāng)AWSE308L-17說(shuō)明：鈦鈣性耐發(fā)紅**碳Cr19Ni10不銹鋼焊條，交直流兩用。具有耐發(fā)紅、焊接工藝性能優(yōu)良等特點(diǎn)。該焊條系引進(jìn)OK61、30技術(shù)生產(chǎn)。用于焊接含鈦穩(wěn)定奧氏體不銹鋼和同類型不銹鋼。A022不銹鋼焊條符合GBE316L-16相當(dāng)AWSE316L-16說(shuō)明:A022是鈦鈣型藥皮的**碳Cr18Ni12Mo2不銹鋼焊條，其熔敷金屬含碳量≤，具有良好的耐熱、耐腐蝕及抗裂、抗氣孔性能，有良好的操作工藝性能，藥皮耐紅，強(qiáng)度好。可交直流兩用。用途:用于焊接尿素、合成纖維等設(shè)備及相同類型的不銹鋼結(jié)構(gòu)。焊絲是作為填充金屬或同時(shí)作為導(dǎo)電用的金屬絲焊接材料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆山SKD-11焊絲,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671318359/8288159.jpg"></div><p> 圖3—10硅整流電弧焊機(jī)1—硅整流器組2—三相變壓器3—三相磁飽和電抗器4—輸出電抗器5—通風(fēng)機(jī)組(二)工作原理工作原理見(jiàn)圖3—11。接通開(kāi)關(guān)K1，通風(fēng)機(jī)組FM運(yùn)轉(zhuǎn)，風(fēng)壓開(kāi)關(guān)KEY閉合，主接觸器Jc-1閉合，三相弧焊變壓器B1工作。與此同時(shí)Jc-2閉合，控制變壓器B2工作，磁放大器運(yùn)行，硅整流器工作，輸出一定的直流電壓，這就是焊機(jī)的空載電壓。由于沒(méi)有焊接電流，磁放大器的電抗繞組FD電抗壓降幾乎為零，使焊機(jī)輸出端具有較高的空載電壓，便于引弧。當(dāng)施焊時(shí)，由于有輸出，形成電流，電抗繞組FD通過(guò)交流電，使其得到較大的電抗壓降，并隨電流的增大，電抗壓降隨之增大，從而得到陡降外特性。當(dāng)短路時(shí)，由于短路電流很大，F(xiàn)D通過(guò)的交流電急增，它產(chǎn)生的電抗壓降使工作電壓幾乎接近于零，這就限制了短路電流。圖3—11ZXG—300型硅整流電焊機(jī)電氣原理圖改變控制回路磁盤電阻R10，使磁放大器控制繞組FK中直流電發(fā)生變化，鐵芯中的磁通就相應(yīng)發(fā)生變化，從而改變了磁放大器交流繞組FD的電流。為減少網(wǎng)路電壓波動(dòng)對(duì)焊接的影響，在控制回路中采用了鐵磁諧振式穩(wěn)壓器，以保證激磁電流的穩(wěn)定，減少對(duì)焊接電流的影響。按動(dòng)K2，通風(fēng)機(jī)組FM停止工作，風(fēng)壓開(kāi)關(guān)KEY開(kāi)啟，主接觸器Jc-1斷開(kāi)。藥芯焊絲中的藥粉成分一般與焊條藥皮相似。福建焊絲銷售廠</p><p style="text-indent:25px">在相同焊接電流下藥芯焊絲的電流密度大，熔化速度快，其熔敷率約為85%-90%，生產(chǎn)率比焊條電弧焊高約3-5倍。昆山SKD-11焊絲</p><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。昆山SKD-11焊絲</p><p style="text-indent:25px">簡(jiǎn)敏精密五金制造(上海)有限公司位于顧北東路365號(hào)C區(qū)1101。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下模具焊條，模具焊絲，特種焊絲，特種焊條深受客戶的喜愛(ài)。公司從事五金、工具多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br 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