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id="q23rizf" class="proBig"><div id="zzklrci" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265666699219/955806.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hzqbm7e" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265666699219/955806.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="drxyucc" 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SKD-11焊絲供應(yīng)商,焊絲</p><p><span>***更新：</span>2020-07-13 08:19:07</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="saqg8pe" 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="y3mu38y" class="page-proshow02"><p class="title">詳細說明</p><div id="phstflr" class="box"><p><p> A001G15不銹鋼焊條符合GBE308L-26相當AWSE308L-26說明及用途：A002不銹鋼焊條符合GBE308L-16相當AWSE308L-16說明: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，強度好，抗氣孔性好。可交直流兩用。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，昆山SKD-11焊絲供應(yīng)商、石油等設(shè)備的制造。A002A不銹鋼焊條符合GBE308L-17相當AWSE308L-17說明：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。該焊條系引進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AWSE316L-16說明: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，強度好?？山恢绷鲀捎茫ド絊KD-11焊絲供應(yīng)商。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)，昆山SKD-11焊絲供應(yīng)商。焊絲外表容易銹蝕，粉劑易吸潮，因此對藥芯焊絲保存一管理的要求更為嚴格。昆山SKD-11焊絲供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆山SKD-11焊絲供應(yīng)商,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265666699219/955806.png"></div><p> 其癥狀是出現(xiàn)兩眼高度羞明、流淚、異物感、刺痛、眼瞼***、痙攣、并伴有***和視物模糊。焊接煙塵的危害焊接過程中會產(chǎn)生大量的金屬焊接粉塵，焊接產(chǎn)生的金屬粉直徑很小，較容易吸肺部，因直徑很小很難排出體外，故發(fā)生病變。焊接電流強度越大粉塵濃度越高。在焊接粉塵濃度較大的情況下，又沒有相應(yīng)的排塵措施時，長期接觸焊接粉塵能引起焊工塵肺、錳中毒和金屬熱等職業(yè)疾病。生殖毒性，近10年來國內(nèi)外開展了一些關(guān)于電焊作業(yè)生殖毒性的研究，主要涉及男工**質(zhì)量、女工生殖結(jié)局及損害機制。研究表明：電焊女工月經(jīng)的經(jīng)量增加、周期縮短、經(jīng)期延長、白帶增加，自然流產(chǎn)、早產(chǎn)、痛經(jīng)、均較對照組高。錳中毒男工**外觀呈均勻灰白色，PH值正常，平均液化時間比對照組延長。檢驗結(jié)果證明，錳中毒男工平均一次**量、精子總數(shù)、精子存活率及活動精子率均比對照組下降，錳中毒男工精子畸形率明顯高于對照組。認為金屬錳能夠影響男工生精系統(tǒng)，對精子的發(fā)育有直接毒作用，并能殺傷精子，從而引起男性**質(zhì)量的改變。國外也有報道電焊作業(yè)工人性***分泌改變，精子質(zhì)量下降，但對子代的性別比例沒有影響有害氣體的危害在焊接電弧高溫和強烈紫外線的作用下。昆山SKD-11焊絲供應(yīng)商鉬、鉻、碳、錳、鎳及釩等合金元素的添加，可以提高（改善）熔填金屬的強度、延性、硬度及韌性等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆山SKD-11焊絲供應(yīng)商,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669218750/3372736.png"></div><p> 圖3—10硅整流電弧焊機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)機組(二)工作原理工作原理見圖3—11。接通開關(guān)K1，通風(fēng)機組FM運轉(zhuǎn)，風(fēng)壓開關(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Jc-2閉合，控制變壓器B2工作，磁放大器運行，硅整流器工作，輸出一定的直流電壓，這就是焊機的空載電壓。由于沒有焊接電流，磁放大器的電抗繞組FD電抗壓降幾乎為零，使焊機輸出端具有較高的空載電壓，便于引弧。當施焊時，由于有輸出，形成電流，電抗繞組FD通過交流電，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。當短路時，由于短路電流很大，F(xiàn)D通過的交流電急增，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)路電壓波動對焊接的影響，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，減少對焊接電流的影響。按動K2，通風(fēng)機組FM停止工作，風(fēng)壓開關(guān)KEY開啟，主接觸器Jc-1斷開。</p><p> 1954年哈爾濱鍋爐廠從德國引進氬弧焊是在普通電弧焊的原理的基礎(chǔ)上,利用氬氣對金屬焊材的保護,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,鎢極接負極,這樣焊接時,電子高速沖向焊件,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:焊件接負極,鎢極接正極,焊接時電子高速沖向鎢極,鎢極熱量高,消耗快,故一般不使用。用于焊接高熔點氧化膜的鋁、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,適用于鋁、鎂及其合金的焊接。手工鎢極氬弧焊時噴嘴的選擇方法噴嘴大小和形狀直接影響氬氣保護區(qū)的保護范圍和效果,常用的噴嘴有6號,7號,8號,10號。噴嘴直徑的選擇不宜過大,否則會妨礙操作,浪費氬氣;但也不宜過小,否則熔池保護不好,容易產(chǎn)生缺點。二氧化碳氣體保護電弧焊（簡稱CO2焊）的保護氣體是二氧化碳（有時采用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焊絲供應(yīng)商,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265668525390/8688498.png"></div><p> 補焊要求不高的黃銅鑄件可采用純銅芯焊條，如ECu（T107）。電源采用直流正接，V型坡口角度不應(yīng)小于60°～70°。板厚超過14mm時，焊前焊件表面應(yīng)仔細清理，***一切會產(chǎn)生氫氣的油類雜質(zhì)。操作時應(yīng)當用短弧焊接，焊條不做橫向和前后擺動，只沿焊縫的直線移動。焊接速度要快，不應(yīng)低于～。多層焊時，層與層之間的氧化膜及渣應(yīng)***干凈。黃銅的銅液流動性大，故溶池比較好處于水平位置，若溶池必須傾斜，則傾角不應(yīng)大于15°3．黃銅的手工氬弧焊手工鎢極氬弧焊時，焊絲采用錫黃銅焊絲HSCuZ-1（HS221）、鐵黃銅焊絲HSCuZn-2（HS222）、硅黃銅焊絲HSCuZn-4（HS224）。這些焊絲含鋅較高，焊接時煙霧較大。亦可用青銅焊絲HSCuSi（HS211）、HSCuSn（HS212）。焊接可以用直流正接，也可以用交流。用交流焊接時，鋅的蒸發(fā)比直流正接時輕。通常焊前不用預(yù)熱，只有板厚相差比較大時才預(yù)熱。焊接速度應(yīng)盡可能快。焊件在焊后應(yīng)加熱300~400℃進行退火處理，消除焊接應(yīng)力，以防止焊件在使用過程中裂縫。由于鋅的蒸發(fā)破壞氬氣的保護效果，所以焊接黃銅時應(yīng)選用較大的噴嘴孔徑和氬氣流量。焊前一般不預(yù)熱，只有焊接厚度大于10mm的接頭和焊接邊緣厚度相差比較大的接頭時才需預(yù)熱。焊絲應(yīng)放在木托盤上，不能將其直接放在地板或緊貼墻壁。昆山SKD-11焊絲供應(yīng)商</p><p style="text-indent:25px">焊接接頭的強度隨著焊絲的合金元素含量變化。昆山SKD-11焊絲供應(yīng)商</p><p> 使氣孔消除，并且不會留引弧傷痕。為了保證焊縫起點處能夠焊透，焊條可作適當?shù)臋M向擺動，并在坡口根部兩側(cè)稍加停頓，以形成一定大小的熔池。引弧點的選擇引弧對焊接質(zhì)量有一定的影響，經(jīng)常因為引弧不好而造成始焊的缺點。綜上所述，在引弧時應(yīng)做到以下幾點：(1)工件坡口處無油污、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，焊條提起時間要適當。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，碰擊過猛使藥皮成塊脫落，引起電弧偏吹和引弧瞬間保護不良。(4)引弧位置應(yīng)選擇適當，開始引弧或因焊接中斷重新引弧，一般均應(yīng)在離始焊點后面10～20mm處引弧，然后移至始焊點，待熔池熔透再繼續(xù)移動焊條，以消除可能產(chǎn)生的引弧缺點。(二)運條電弧引燃后，就開始正常的焊接過程。為獲得良好的焊，縫成形，焊條得不斷地運動。焊條的運動稱為運條。運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，主要由運條來決定。運條由三個基本運動合成。昆山SKD-11焊絲供應(yīng)商</p><p style="text-indent:25px">簡敏精密五金制造(上海)有限公司注冊資金100-200萬元，是一家擁有51~100人***員工的企業(yè)。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(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。公司秉持誠信為本的經(jīng)營理念，在五金、工具深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為**，發(fā)揮人才優(yōu)勢，打造五金、工具質(zhì)量品牌。在社會各界的鼎力支持下，經(jīng)過公司所有人員的努力，公司自2016-12-05成立以來，年營業(yè)額達到1000-2000萬元。</p></p><br /><p>文章來源地址: 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