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class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543241897858/6369595432418978587567592.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rvx8mmo" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543241897858/6369595432418978587567592.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3icyacj" 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>新疆維吾爾自治區(qū)</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>頭屯河區(qū)球墨鑄鐵管規(guī)格,球墨鑄鐵管</p><p><span>***更新：</span>2020-07-24 22:01:56</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="aug3ac7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新疆錦宏皓商貿(mào)有限公司</a></p><p><span>聯(lián)系人：</span>閆會(huì)平</p><p><span>郵箱: </span>896446354@qq.com</p><p><span>電話: </span>13999253221</p><p><span>傳真: </span>0991_6885581</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0991-6868255</p><p><span>地址: </span>新疆烏魯木齊市米東區(qū)米東南路西三巷1151號(hào)華凌建材進(jìn)出口基地鋼材區(qū)25棟26號(hào)商鋪</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="bfheby1" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="cvxkhzl" class="box"><p><p style="text-indent:25px">球墨鑄鐵管的防腐處理1、瀝青漆涂層。瀝青漆涂層是用于輸送燃?xì)獾墓艿?。噴漆前?duì)管子進(jìn)行預(yù)熱可以提高瀝青漆的附著力，加速干燥，頭屯河區(qū)球墨鑄鐵管規(guī)格。2、水泥砂漿內(nèi)襯+特殊涂層。這種內(nèi)防腐措施適用于輸送污水的管道，可以提高內(nèi)襯的抗腐蝕能力。3、環(huán)氧煤瀝青涂層。環(huán)氧煤瀝青涂層既適用于燃?xì)夤艿?，頭屯河區(qū)球墨鑄鐵管規(guī)格，也適用于污水管道，頭屯河區(qū)球墨鑄鐵管規(guī)格。它是一種雙組分涂層，該涂層具有較高的附著力和非常光滑的表面阿克蘇球墨鑄鐵水篦子直銷。頭屯河區(qū)球墨鑄鐵管規(guī)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="頭屯河區(qū)球墨鑄鐵管規(guī)格,球墨鑄鐵管" src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543241897858/6369595432418978587567592.jpg"></div><p> 一、前言曲軸是汽車發(fā)動(dòng)機(jī)的關(guān)鍵部件之一，其性能好壞直接影響汽車的壽命。曲軸工作時(shí)承受著大負(fù)荷和不斷變化的彎矩及扭矩作用，常見(jiàn)的失效形式為彎曲疲勞斷裂及軸頸磨損，因此要求曲軸材質(zhì)具有較高的剛性和疲勞強(qiáng)度以及良好的耐磨性能。隨著球墨鑄鐵技術(shù)的發(fā)展，其性能也在不斷提高，質(zhì)量廉價(jià)的球鐵已成為制造曲軸的重要材料之一。自1947年球墨鑄鐵發(fā)明以來(lái)，經(jīng)過(guò)不長(zhǎng)時(shí)間的努力，其抗拉強(qiáng)度提高到了600~900MPa，接近或超過(guò)了碳素鋼的水平。與鍛鋼材料比較，球墨鑄鐵曲軸既有制造簡(jiǎn)便、成本低廉，又有吸震、耐磨、對(duì)表面裂紋不敏感等鍛鋼材料所不具備的優(yōu)良特性，因而球墨鑄鐵具備了代替鍛鋼制造曲軸的可能性。20世紀(jì)50年代后期，國(guó)內(nèi)南京汽車制造廠率先批量生產(chǎn)躍進(jìn)牌汽車球鐵曲軸。60年代，二汽首先成為國(guó)內(nèi)按照球鐵曲軸生產(chǎn)工藝進(jìn)行設(shè)計(jì)和投產(chǎn)的汽車廠。到了70、80年代，中小型柴油機(jī)在我國(guó)迅速發(fā)展，由于球鐵制造和經(jīng)濟(jì)方面的優(yōu)勢(shì)，大多數(shù)中小型柴油機(jī)都采用球鐵曲軸，極大地推動(dòng)了我國(guó)球鐵曲軸的應(yīng)用與發(fā)展，出現(xiàn)了一批球鐵曲軸專業(yè)生產(chǎn)廠。近十多年在汽車工業(yè)的快速發(fā)展過(guò)程中，又新建了一批現(xiàn)代化的球鐵曲軸生產(chǎn)廠（或分廠、車間），球鐵曲軸在國(guó)內(nèi)得到了普遍應(yīng)用。頭屯河區(qū)球墨鑄鐵管規(guī)格阿克蘇給水球墨鑄鐵管規(guī)格。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="頭屯河區(qū)球墨鑄鐵管規(guī)格,球墨鑄鐵管" src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636973165956074490/6369731659560744903324287.jpg"></div><p> 干濕程度比面砂稍微偏濕。裝入包內(nèi)，由上到下用手搪于包的四周，要求厚度均勻，用膠皮管用力敲打，壓平壓光。4．烘烤。要求必須烘干烘透!否則球化包包襯中的水分與鎂元素發(fā)生化學(xué)反應(yīng)，產(chǎn)生沸騰現(xiàn)象，容易導(dǎo)致整包鐵水報(bào)廢。5.修補(bǔ)。烘干后需對(duì)裂紋進(jìn)行修補(bǔ)，修補(bǔ)后用黑芡粉涂料對(duì)內(nèi)壁涂刷，防鐵水粘包。在使用過(guò)程中，應(yīng)隨時(shí)檢查包襯耐火材料是否脫落，發(fā)現(xiàn)脫落要及時(shí)修補(bǔ)。二．球化處理1.裝料。嚴(yán)格按照球化孕育處理工藝要求操作。已知鐵水量，使用電子秤稱取球化劑和孕育劑。先將球化劑、孕育劑和鐵屑依次放入球化包的反應(yīng)堤壩內(nèi)，并依次用搗錘平整搗實(shí)。搗實(shí)程度依據(jù)球化反應(yīng)的強(qiáng)弱程度進(jìn)行調(diào)整，然后再用聚渣劑平鋪一層。所有的一切均為了延緩球化劑的起爆時(shí)間，從而提高吸收率。2.球化反應(yīng)。當(dāng)鐵水的化學(xué)成分和溫度均符合工藝要求時(shí)，開(kāi)始出鐵球化處理。（1）注意調(diào)整好球化包的停放位置，必須保證鐵水的沖入位置是放球化劑及孕育劑的另一側(cè)堤壩內(nèi)，切忌直沖球化劑。否則嚴(yán)重影響球化劑的吸收。（2）開(kāi)始出鐵時(shí)流速要快易于起爆，待反應(yīng)激烈時(shí)，逐漸減小流速不斷流。隨著球化反應(yīng)的由強(qiáng)變?nèi)踔饾u加大流速，理想狀態(tài)為：鐵水放至要求值時(shí)，球化反應(yīng)剛好停止。</p><p> 其力學(xué)性能可滿足要求。(08Mn2Si焊絲)和高釩管狀焊絲焊接球墨鑄鐵，效果良好，并且便于實(shí)現(xiàn)機(jī)械化焊接。CO2焊接時(shí)，半熔化區(qū)有白口層。采用直徑為，當(dāng)焊接參數(shù)合適時(shí)，可以使半熔化區(qū)白口層寬度減小至，并呈斷續(xù)狀分布，有利于提高接頭的使用性能和加工性能。采用直徑為，白口層寬度約為，但生產(chǎn)效率較高。有白口層存在，用高釩管狀焊絲進(jìn)行焊接時(shí)，接頭強(qiáng)度可達(dá)410～450MPa，一般發(fā)生斷裂的部位在母材和熱影響區(qū)。補(bǔ)焊時(shí)，可在坡口表面用高釩管狀焊絲先堆焊過(guò)渡層，進(jìn)行高溫回火，消除白口組織。退火規(guī)范：920℃保溫3h，720℃保溫4h。退火后再用08Mn2Si焊絲進(jìn)行焊接。經(jīng)高溫回火，過(guò)渡層一母材熔合區(qū)白口組織可完全消除，接頭強(qiáng)度可達(dá)440～450MPa。氣保焊***及各種導(dǎo)電嘴的結(jié)構(gòu)用途贊賞共11人贊賞本站是提供個(gè)人知識(shí)管理的網(wǎng)絡(luò)存儲(chǔ)空間，所有內(nèi)容均由用戶發(fā)布，不**本站觀點(diǎn)。如發(fā)現(xiàn)有害或侵權(quán)內(nèi)容，請(qǐng)點(diǎn)擊這里或撥打24小時(shí)舉報(bào)電話：與我們聯(lián)系。轉(zhuǎn)藏到我的圖書(shū)館獻(xiàn)花（0）+1分享：微信QQ空間QQ好友新浪微博推薦給朋友來(lái)自：dongchang>《焊接》舉報(bào)推一薦：發(fā)原創(chuàng)得獎(jiǎng)金，“原創(chuàng)獎(jiǎng)勵(lì)計(jì)劃”來(lái)了！|回顧我的2019，有獎(jiǎng)?wù)魑难惴窒恚?阿勒泰專業(yè)球墨鑄鐵管推薦。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="頭屯河區(qū)球墨鑄鐵管規(guī)格,球墨鑄鐵管" src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543149289467/6369595431492894676091816.jpg"></div><p style="text-indent:25px">球墨鑄鐵管的防腐處理：瀝青漆涂層。瀝青漆涂層是用于輸送燃?xì)獾墓艿?。噴漆前?duì)管子進(jìn)行預(yù)熱可以提高瀝青漆的附著力，加速干燥。水泥砂漿內(nèi)襯+特殊涂層。這種內(nèi)防腐措施適用于輸送污水的管道，可以提高內(nèi)襯的抗腐蝕能力。環(huán)氧煤瀝青涂層既適用于燃?xì)夤艿溃策m用于污水管道。阿克蘇給水球墨鑄鐵管價(jià)格。烏魯木齊專業(yè)球墨鑄鐵管廠家直供</p><p style="text-indent:25px"> 阿克蘇球墨鑄鐵水篦子哪家好。頭屯河區(qū)球墨鑄鐵管規(guī)格</p><p> 石棉水泥的重量配合比應(yīng)為石棉30%，水泥70%，水灰比宜小于或等于；拌好的石棉水泥應(yīng)在初凝前用完；填打后的接口應(yīng)及時(shí)潮濕養(yǎng)護(hù)。熱天或晝夜溫差較大地區(qū)的剛性接口，宜在氣溫較低時(shí)施工，冬期宜在午間氣溫較高時(shí)施工，并應(yīng)采取保溫措施。采用石棉水泥做接口外層填料時(shí)，當(dāng)?shù)叵滤畬?duì)水泥有侵蝕作用時(shí)，應(yīng)在接口表面涂防腐層。剛性接口填打后，管道不得碰撞及扭轉(zhuǎn)。當(dāng)柔性接口采用滑入式T形、梯唇形及柔性機(jī)械式接口時(shí)，橡膠圈的質(zhì)量、性能、細(xì)部尺寸，應(yīng)符合現(xiàn)行國(guó)家鑄鐵管、球墨鑄鐵管及管件標(biāo)準(zhǔn)中有關(guān)橡膠圈的規(guī)定。每個(gè)橡膠圈的接頭不得超過(guò)2個(gè)。橡膠圈安裝就位后不得扭曲。當(dāng)用探尺檢查時(shí)，沿圓周各點(diǎn)應(yīng)與承口端面等距，其允許偏差應(yīng)為±3mm。安裝滑入式橡膠圈接口時(shí)，推入深度應(yīng)達(dá)到標(biāo)記環(huán)，并復(fù)查與其相鄰已安好的***至第二個(gè)接口推入深度。安裝柔性機(jī)械接口時(shí)，應(yīng)使插口與承口法蘭壓蓋的縱向軸線相重合；螺栓安裝方向應(yīng)一致，并均勻、對(duì)稱地緊固。當(dāng)特殊需要采用鉛接口施工時(shí)，管口表面必須干燥、清潔，嚴(yán)禁水滴落入鉛鍋內(nèi)；灌鉛時(shí)鉛液必須沿注孔一側(cè)灌入，一次灌滿，不得斷流；脫膜后將鉛打?qū)崳砻鎽?yīng)平整，凹入承口宜為1～2mm。頭屯河區(qū)球墨鑄鐵管規(guī)格</p><p style="text-indent:25px">新疆錦宏皓商貿(mào)有限公司在同行業(yè)領(lǐng)域中，一直處在一個(gè)不斷銳意進(jìn)取，不斷制造創(chuàng)新的市場(chǎng)高度，多年以來(lái)致力于發(fā)展富有創(chuàng)新價(jià)值理念的產(chǎn)品標(biāo)準(zhǔn)，在新疆維吾爾自治區(qū)烏魯木齊市等地區(qū)的機(jī)械及行業(yè)設(shè)備中始終保持良好的商業(yè)口碑，成績(jī)讓我們喜悅，但不會(huì)讓我們止步，殘酷的市場(chǎng)磨煉了我們堅(jiān)強(qiáng)不屈的意志，和諧溫馨的工作環(huán)境，富有營(yíng)養(yǎng)的公司土壤滋養(yǎng)著我們不斷開(kāi)拓創(chuàng)新，勇于進(jìn)取的無(wú)限潛力，錦宏皓商貿(mào)攜手大家一起走向共同輝煌的未來(lái)，回首過(guò)去，我們不會(huì)因?yàn)槿〉昧艘稽c(diǎn)點(diǎn)成績(jī)而沾沾自喜，相反的是面對(duì)競(jìng)爭(zhēng)越來(lái)越激烈的市場(chǎng)氛圍，我們更要明確自己的不足，做好迎接新挑戰(zhàn)的準(zhǔn)備，要不畏困難，激流勇進(jìn)，以一個(gè)更嶄新的精神面貌迎接大家，共同走向輝煌回來(lái)！</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/700244.html</p></div></div></div></div></div><div id="x2ahebd" class="page-right twoColRt"><div id="k77pu2e" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jas2nfh" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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