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class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671318359/8288159.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qo79qov" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671318359/8288159.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="l7nkmov" 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>河南鑄鐵焊條焊絲廠家,焊條焊絲</p><p><span>***更新：</span>2020-07-14 13:18:01</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="swi7jl2" 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="lsz8jqc" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3btq3nn" class="box"><p><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(guò)長(zhǎng)2.焊絲矯直輪裝置調(diào)整不合適3.送絲輪壓力過(guò)大4.送絲裝置或送絲軟管有污物5.焊絲質(zhì)量問(wèn)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(kāi)關(guān)接觸不良或損壞，斷開(kāi)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(guò)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，河南鑄鐵焊條焊絲廠家，河南鑄鐵焊條焊絲廠家，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，河南鑄鐵焊條焊絲廠家.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)。焊劑為堿性系統(tǒng)的焊材可使熔填金屬獲得非常優(yōu)良的延性與韌性，但作業(yè)性遠(yuǎn)較酸性系為差。河南鑄鐵焊條焊絲廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南鑄鐵焊條焊絲廠家,焊條焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671318359/8288159.jpg"></div><p> -40℃）/J標(biāo)準(zhǔn)值≥890940～1180≥15≥47Mn4Ni2CrMo，44，52，64，54Ok8，53，49，65，48表11MF745B和MF1100M熔敷金屬化學(xué)成分（質(zhì)量分?jǐn)?shù)）（%）成分CMnSiPSCrNiMoV標(biāo)準(zhǔn)值～～≤≤≤～～～≤MF745BMF1100M—表12MF745B和MF1100M熔敷金屬力學(xué)性能項(xiàng)目Re/MPaRm/MPaA（%）KV2（-40℃）/J標(biāo)準(zhǔn)值≥890940～1180≥15≥47MF745B78099044，46，48，47，42MF1100M88995956，56，51，56，56三、結(jié)語(yǔ)700MPa級(jí)的實(shí)芯焊絲與藥芯焊絲均能滿足力學(xué)性能要求，并且焊縫的塑性和韌性方面藥芯焊絲略優(yōu)于實(shí)芯焊絲。900MPa級(jí)的實(shí)芯焊絲比藥芯焊絲力學(xué)性能優(yōu)良。此外，實(shí)芯焊絲焊接煙塵較小，送絲平穩(wěn)，容易保存；藥芯焊絲易吸潮，保存管理的要求更為嚴(yán)格。根據(jù)兩類焊材的特點(diǎn)，為公司不同產(chǎn)品的焊材選擇提供了技術(shù)支持。作者簡(jiǎn)介：吳曉玲，太重（天津）濱海重型機(jī)械有限公司質(zhì)量部；張曉剛，太原重工股份有限公司工程機(jī)械分公司。河南鑄鐵焊條焊絲廠家?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(qiáng)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="河南鑄鐵焊條焊絲廠家,焊條焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275563994140/7040916.png"></div><p> 盡量選擇小電流焊接，因?yàn)樵陔娏魈髸r(shí)，易造成熔池翻滾，不僅飛濺大，成形也很差。6、焊接速度：對(duì)焊縫內(nèi)部與外觀的質(zhì)量都有重要影響。焊速過(guò)快會(huì)使氣體保護(hù)不好，出現(xiàn)氣孔等缺點(diǎn)，同時(shí)焊縫的冷卻速度相應(yīng)提高，因而降低了焊縫金屬的塑性的韌性。焊速過(guò)慢時(shí)，熔池變大，焊縫變寬，易因過(guò)熱造成焊縫金屬組.織粗大或燒穿。7、噴嘴與工件的角度：當(dāng)噴嘴與工件垂直時(shí)，飛濺會(huì)很大，電弧不穩(wěn)。為避免這種情況的出現(xiàn)，可將噴嘴后傾10-15度（焊接位置不同，焊角度也不同），即可保證焊縫成形良好，焊接過(guò)程穩(wěn)定。8、運(yùn)條方法：1.直線法，直線往復(fù)法。（適合小而窄的焊縫）。2.鋸齒形（適合寬焊縫），操作要點(diǎn)：在焊縫的兩邊稍作停頓，中間過(guò)度要**.月牙形運(yùn)條法（同鋸齒形）。以下幾種不宜掌握，知道就可以，三角形（斜三角，正三角），圓圖形（斜圓圖，正圓圖），八字形。七、焊接手法及焊接缺點(diǎn)產(chǎn)生的原因1.平焊（以右手向左焊，焊縫成形好，容易觀察熔池成形情況。角度大約45度;以右手向右焊，焊縫成形差）。</p><p> 不受阻擋。安裝架13的水平板上方的靠后位置處左右居中安裝有立塊14，立塊14上開(kāi)有前后貫通的焊條穿孔14a，在立塊14的前方水平安裝有正對(duì)焊條穿孔14a的焊條導(dǎo)向管15。焊條導(dǎo)向管15位于上導(dǎo)向膠輪9與下導(dǎo)向膠輪10圍成的通道的正后方。通過(guò)上導(dǎo)向膠輪和下導(dǎo)向膠輪整形的同時(shí)，結(jié)合左、右限位柱和上、下導(dǎo)向膠輪共同確保焊條順利進(jìn)入焊條導(dǎo)向管。安裝架13的上方通過(guò)“門”形安裝架16安裝有朝向下方的豎直氣缸6，豎直氣缸6的活塞桿與焊條切斷刀7相連，焊條切斷刀7與立塊14的后壁貼合，并能在豎直氣缸6的帶動(dòng)下上下運(yùn)動(dòng)，從而將經(jīng)焊條導(dǎo)向管15、焊條穿孔14a出來(lái)的焊條切斷。比較好是，“門”形安裝架16由兩根立柱16a和一塊支撐板16b組成，兩根立柱16a左右對(duì)稱布置在支撐板16b的下方。安裝架13的豎直板下端帶有兩個(gè)左右間隔布置的條形缺口13a，螺栓8穿過(guò)對(duì)應(yīng)的條形缺口13a，將安裝架13固定在工作臺(tái)12上。上導(dǎo)向膠輪9和下導(dǎo)向膠輪10同步轉(zhuǎn)動(dòng)，首先將焊條穿過(guò)從左、右限位柱11中間穿過(guò)，再?gòu)纳蠈?dǎo)向膠輪9和下導(dǎo)向膠輪10圍成的通道中穿過(guò)，進(jìn)入焊條導(dǎo)向管15，***穿過(guò)焊條穿孔14a，再啟動(dòng)上導(dǎo)向膠輪9和下導(dǎo)向膠輪10各自的驅(qū)動(dòng)電機(jī)。由上導(dǎo)向膠輪9和下導(dǎo)向膠輪10帶動(dòng)焊條向后移動(dòng)。?焊絲包裝成卷或成桶以避免線材相互糾纏或折損。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南鑄鐵焊條焊絲廠家,焊條焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275560292969/6305969.png"></div><p> 能有效避免上層槽內(nèi)的水從機(jī)架的側(cè)面溢出弄濕地面，確保工作環(huán)境的干凈整潔，節(jié)約水資源。進(jìn)一步推薦為，所述連通槽的橫截面呈三角形，以騰出空間使焊條從連通槽的上方通過(guò)。進(jìn)一步推薦為，在所述自動(dòng)切斷機(jī)構(gòu)的后方還設(shè)置有焊條接斗，所述焊條接斗為前高后低傾斜布置的長(zhǎng)條形斗；焊條接斗的前端敞口，前下方設(shè)置有支腳；焊條接斗的后端設(shè)置有擋板，用于收集切掉后掉下來(lái)的焊條。進(jìn)一步推薦為，所述“門”形安裝架由兩根立柱和一塊支撐板組成，兩根立柱左右對(duì)稱布置在支撐板的下方。簡(jiǎn)化結(jié)構(gòu)，降**造成本，確保整體受力平衡。進(jìn)一步推薦為，所述安裝架的豎直板下端帶有兩個(gè)左右間隔布置的條形缺口，螺栓穿過(guò)對(duì)應(yīng)的條形缺口，將安裝架固定在工作臺(tái)上；實(shí)現(xiàn)安裝架高低方向的可調(diào)節(jié)安裝。本實(shí)用新型的有益效果：在焊條塑料擠出機(jī)的基礎(chǔ)山增設(shè)水冷循環(huán)系統(tǒng)和自動(dòng)切斷機(jī)構(gòu)，能對(duì)塑料擠出機(jī)出來(lái)的pph聚丙烯焊條進(jìn)行及時(shí)冷卻，并進(jìn)行自動(dòng)剪切成條，確保焊條質(zhì)量；同時(shí)實(shí)現(xiàn)冷卻水的循環(huán)利用，節(jié)約水資源。附圖說(shuō)明圖1為本實(shí)用新型的結(jié)構(gòu)示意圖。圖2為水冷循環(huán)系統(tǒng)的結(jié)構(gòu)示意圖。圖3為自動(dòng)切斷機(jī)構(gòu)的前視圖。圖4為自動(dòng)切斷機(jī)構(gòu)的后視圖。具體實(shí)施方式下面通過(guò)實(shí)施例并結(jié)合附圖。加入穩(wěn)弧劑使電弧穩(wěn)定，熔滴過(guò)渡均勻。河南鑄鐵焊條焊絲廠家</p><p style="text-indent:25px">電弧穩(wěn)定劑鈉及鉀可以使電弧保持柔和順暢而且降低飛濺。河南鑄鐵焊條焊絲廠家</p><p> 通過(guò)外力很快就形成小部份短路移動(dòng)工件上去，由于熔化得少，工件與之相比大很多。溫度很快就散發(fā)掉了。焊絲溫度不會(huì)持續(xù)上升至其整段發(fā)紅，抗紅能力***。與普通焊絲相比，如果持續(xù)時(shí)間過(guò)長(zhǎng)，就會(huì)出現(xiàn)焊絲嚴(yán)重發(fā)紅，焊點(diǎn)發(fā)黑現(xiàn)象。就算能焊，焊補(bǔ)的時(shí)候，容易出現(xiàn)氧化，掉渣，焊不高等現(xiàn)象.，并且影響其后續(xù)加工。焊絲CO2焊編輯二氧化碳?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）。由于二氧化碳?xì)怏w的0熱物理性能的特殊影響，使用常規(guī)焊接電源時(shí)，焊絲端頭熔化金屬不可能形成平衡的軸向自由過(guò)渡，通常需要采用短路和熔滴縮頸爆斷、因此，與MIG焊自由過(guò)渡相比，飛濺較多。但如采用質(zhì)量焊機(jī)，參數(shù)選擇合適，可以得到很穩(wěn)定的焊接過(guò)程，使飛濺降低到**小的程度。由于所用保護(hù)氣體價(jià)格低廉，采用短路過(guò)渡時(shí)焊縫成形良好，加上使用含脫氧劑的焊絲即可獲得無(wú)內(nèi)部缺點(diǎn)的高質(zhì)量焊接接頭。因此這種焊接方法目前已成為黑色金屬材料**重要焊接方法之一。CO2立焊雙面成形焊絲型號(hào)編輯常用的焊絲型號(hào)：常見(jiàn)的氣體保護(hù)藥芯焊絲有：LQ122、LQ172、LQ212、LQ337、LQ423、LQ439、LQ451、LQ537、LQ582、LQ585、LQ605、LQ621、LQ666、LQ707等。河南鑄鐵焊條焊絲廠家</p><p style="text-indent:25px">簡(jiǎn)敏精密五金制造(上海)有限公司注冊(cè)資金100-200萬(wàn)元，是一家擁有51~100人***員工的企業(yè)。公司業(yè)務(wù)分為[ "模具焊條", "模具焊絲", "特種焊絲", "特種焊條" ]等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供質(zhì)量的產(chǎn)品和服務(wù)。公司將不斷增強(qiáng)企業(yè)核心競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)先進(jìn)知識(shí)，遵守行業(yè)規(guī)范，植根于五金、工具行業(yè)的發(fā)展。公司憑借深厚技術(shù)支持，年?duì)I業(yè)額度達(dá)到1000-2000萬(wàn)元，并與多家行業(yè)**公司建立了緊密的合作關(guān)系。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/595933.html</p></div></div></div></div></div><div id="fykwipb" class="page-right twoColRt"><div id="uy7afmt" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zt3cypm" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="z8zgnug" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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