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src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525993574219/7876503.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8giizqs" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525993574219/7876503.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dsz7d77" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湛江國標(biāo)釜用機(jī)械密封,釜用機(jī)械密封</p><p><span>***更新：</span>2020-08-15 02:18:35</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="zhe4yne" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">伊格爾博格曼機(jī)械密封（張家港）有限公司</a></p><p><span>聯(lián)系人：</span>閆女士</p><p><span>郵箱: </span>eaglebugmann@qq.com</p><p><span>電話: </span>18013293108</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span>http://eaglebugmann.com</p><p><span>手機(jī): </span>0512-58756006</p><p><span>地址: </span>德積福民村（天霸路）</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="ohzovc2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qjqf7dp" class="box"><p><p> 為了使機(jī)械密封做到密封性能可靠，使用壽命長，對其零件的尺寸、配合、形位公差等均有相應(yīng)的要求。關(guān)鍵尺寸一定要嚴(yán)格按公差要求加工，非關(guān)鍵尺寸在不影響密封性能和安裝尺寸的前提下，可適當(dāng)降低要求，這對于降低成本、普及推廣機(jī)械密封技術(shù)均有好處，湛江國標(biāo)釜用機(jī)械密封。根據(jù)國內(nèi)技術(shù)標(biāo)準(zhǔn)規(guī)定的機(jī)械密封技術(shù)條件及制造水平，參考國外同類產(chǎn)品的加工尺寸及精度要求，對常用機(jī)械密封零件的公差配合及技術(shù)要求介紹如下。一、機(jī)械密封零件的公差與配合關(guān)于機(jī)械密封零件的公差與配合，以內(nèi)裝式泵用機(jī)械密封零件為例作介紹，湛江國標(biāo)釜用機(jī)械密封，其他結(jié)構(gòu)類型機(jī)械密封的主要零件配合及公差均可參考，并根據(jù)情況做適當(dāng)調(diào)整，機(jī)械密封零件的公差與配合如圖9-1所示。①安裝機(jī)械密封軸徑公差；②彈簧座內(nèi)徑與軸公差；③推環(huán)內(nèi)徑與軸的配合公差；④推環(huán)接觸密封圈處端面的內(nèi)徑偏差；⑤推環(huán)接觸密封圈處端面的外徑偏差；⑥傳動套內(nèi)徑公差；⑦動環(huán)安裝密封圈處內(nèi)徑公差；⑧動環(huán)內(nèi)徑與軸的配合公差；⑨傳動套傳動的動環(huán)外徑公差；⑩撐環(huán)內(nèi)徑公差；?撐環(huán)外徑公差；?鑲環(huán)結(jié)構(gòu)配合公差（此公差*供參考，湛江國標(biāo)釜用機(jī)械密封，制造時應(yīng)根據(jù)實(shí)際情況核算確定公差尺寸）；?靜環(huán)外徑與壓蓋（或殼體）的配合公差；?靜環(huán)內(nèi)徑偏差；?靜環(huán)尾部與靜環(huán)座。廈門M461釜用機(jī)械密封件。湛江國標(biāo)釜用機(jī)械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湛江國標(biāo)釜用機(jī)械密封,釜用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525993574219/7876503.png"></div><p> 輔助密封圈是機(jī)械密封上**薄弱環(huán)節(jié)，當(dāng)溫度超過80℃時普通橡膠已不適用，溫度超過230~250℃，聚四氟乙烯也不能使用.此外，由于高溫、易燃介質(zhì)的裂解物沉積會使彈簧阻塞.所以，當(dāng)溫度超過220℃時就應(yīng)采用金屬波紋管型機(jī)械密封，或者采用金屬波紋管與普通機(jī)械密封相結(jié)合的密封結(jié)構(gòu).3.采取冷卻措施在高溫下，為了使密封可靠運(yùn)行，盡可能對機(jī)械密封進(jìn)行冷卻，要避免在干摩擦狀態(tài)下工作.必須保持密封間隙中的溫度在密封液的汽化溫度以下.冷卻措施就是對密封進(jìn)行溫度控制，常用的溫度控制有沖洗、阻封、加強(qiáng)液體循環(huán)等(詳見第七章一節(jié)溫度控制裝置)。在高溫下，還可采用以下措施:(1)用Diphy1(二苯及二苯氧化物的混合物)作為阻封液，它是冷態(tài)無壓的換熱劑(阻封液由泵效螺旋輸送);(2)在超高溫下或者沒有適當(dāng)?shù)囊后w時，也可通人氮?dú)?、氬氣，以防止空氣引起的氧?4.鑲嵌摩擦副問題密封環(huán)鑲嵌是充分利用端面材料和基體材料的特性，提高材料使用價值，一般對高溫密封采用熱鑲法.但是，由于端面耐磨材料和基體材料的熱脹系數(shù)有差異，在高溫下使用時會產(chǎn)生摩擦環(huán)松動、脫落。因此，對鑲嵌結(jié)構(gòu)的摩擦環(huán)采用的溫度應(yīng)予以特別注意.熱鑲結(jié)構(gòu)產(chǎn)生松動、脫落的原因，除了與使用溫度有關(guān)外。包頭搪瓷釜用機(jī)械密封滄州FMY212釜用機(jī)械密封廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湛江國標(biāo)釜用機(jī)械密封,釜用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525788876953/1391639.png"></div><p> 圖29）旋轉(zhuǎn)式機(jī)械密封軸套和傳動座傳動方式：l）頂絲傳動（圖30）。傳動座用1～2個頂絲固定在軸套表面上，結(jié)構(gòu)簡單，但是安裝時軸套需從軸上取出，方能緊固頂絲。這種結(jié)構(gòu)要求在軸套表面（與頂絲接觸的部位）劃一凹坑，否則運(yùn)轉(zhuǎn)中易出現(xiàn)傳動失效，傳動座會發(fā)生軸向串動。在直徑較大和溫度較高時，不能采用單純的頂絲傳動。2）頂絲一臺階傳動（圖31）。為了克服單純頂絲傳動時，傳動座軸向串動，可在軸套上設(shè)一臺階，傳動座頂靠在幼查臺階端面，體傳動成無法串動定位，用鍵來帶動軸套旋轉(zhuǎn)。這種結(jié)構(gòu)簡單，安裝方便，現(xiàn)場施工時可不用拆卸軸套即可安裝傳動座，使用可靠，運(yùn)動中不會產(chǎn)生傳動失效。3）鍵傳動。4）撥叉?zhèn)鲃樱▓D33）。是鍵傳動基礎(chǔ)上改進(jìn)的，軸套上仍有臺階，傳動座為沖壓件，上面有兩個小“爪”（撥叉）伸到軸套臺階的槽中實(shí)現(xiàn)傳動，結(jié)構(gòu)也很簡單。由于是沖壓件，撥叉徑向尺寸?。ㄝ^?。?，沖壓后冷作硬化，撥叉易斷裂。在中性介質(zhì)中尚可使甩。5)彈簧傳動。這種傳動方式不用傳動座，傳動彈簧依靠過盈值旋緊在軸套上，并傳遞扭矩，彈簧的端部靠緊軸套的臺階處（圖34），防止軸向位移。這種方式結(jié)構(gòu)簡單，安裝方便，但對彈簧的旋向有要求，泵軸旋轉(zhuǎn)時。</p><p> 硬環(huán)的材質(zhì)種類很多（見“27”）。只有在特殊情況下，如介質(zhì)中含有固體顆粒、有結(jié)晶析出或高粘度流體中才選用硬對硬的配對。當(dāng)選用一軟一硬的配對時硬環(huán)端面的寬度比軟環(huán)寬，在硬對硬的材質(zhì)中可不受此限制。為減少泄漏量和機(jī)械雜質(zhì)進(jìn)入密封端面的可能性，盡量采用內(nèi)裝內(nèi)流式密封結(jié)構(gòu)S選擇導(dǎo)熱性良好的材料做動環(huán)，以散出較多的熱量，降低密封端面的溫度。為保證密封環(huán)的整體強(qiáng)度和剛度，環(huán)的壁厚不可太薄。對于導(dǎo)熱性良好的材料，增加環(huán)厚有利散熱；對于導(dǎo)熱性欠佳的材料厚度可小些。對于所受壓力較高的密封環(huán)，要從力學(xué)角度另行設(shè)計，必要時采取加固措施。環(huán)的形狀要軸對稱，以減少其不對稱的機(jī)械變形和熱變形。動環(huán)做補(bǔ)償環(huán)時，例如國產(chǎn)104和B104型密封（圖13、圖14），動環(huán)和軸（軸套）的（直徑）間隙為0．40～0．60mm，以防止動環(huán)在工作中卡住而失去補(bǔ)償能力；靜環(huán)內(nèi)徑要比軸（軸套）大l～2mm，避免兩者摩擦。密封端面的寬度是個重要參數(shù)，要綜合考慮。三、密封端面的寬度要考慮的因素密封端面的寬度一般是首先決定軟面的寬度，硬面寬度自不待說。泄漏量與端面寬度關(guān)系不大。但是，從產(chǎn)生的摩擦熱量來說窄一些較好，產(chǎn)生的熱量較少，溫度梯度小，熱變形也小。鎮(zhèn)江M461釜用機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湛江國標(biāo)釜用機(jī)械密封,釜用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525442314453/740423.png"></div><p> 密封液壓力平衡系統(tǒng)的壓力源由氮?dú)馄刻峁?。密封腔壓力固定控制在比釜?nèi)壓力高。為了適應(yīng)釜內(nèi)壓力的變化，機(jī)械密封下端面也應(yīng)采用平衡型結(jié)構(gòu)。四、液壓泵站密封液循環(huán)系統(tǒng)液壓泵站密封液循環(huán)系統(tǒng)與釜用機(jī)械密封組合型式見圖1一17。在高負(fù)荷的密封裝置中，應(yīng)采用液壓泵站密封液循環(huán)系統(tǒng)來強(qiáng)制密封液的冷卻循環(huán)。液壓泵站中密封液的壓力源由離心泵、齒輪泵或柱塞泵等提供。利用泵送壓力強(qiáng)迫密封液在密封腔內(nèi)循環(huán)。該系統(tǒng)還應(yīng)配合過濾器、冷卻器、儲能器、調(diào)節(jié)閥、壓力表等使用。調(diào)節(jié)好閥的壓力，使密封腔的壓力大于釜內(nèi)壓力。使用液壓泵站密封液循環(huán)系統(tǒng)的雙端面機(jī)械密封，下端面也必須采用平衡型結(jié)構(gòu)。除此之外，還有手壓泵增壓系統(tǒng)等型式。只有合理選用輔助系統(tǒng)，才能保證雙端面密封的使用。薊州區(qū)207釜用機(jī)械密封廠家。湛江國標(biāo)釜用機(jī)械密封</p><p style="text-indent:25px">德州212釜用機(jī)械密封件。湛江國標(biāo)釜用機(jī)械密封</p><p> 且接觸應(yīng)力不均勻，使之產(chǎn)生機(jī)械變形；二是由于使用溫度較高（或過低），材料物理性能（主要是線膨脹系數(shù)）的差異使硬質(zhì)合金環(huán)和環(huán)座的配合部位不能同步脹縮，過盈量發(fā)生變化，接觸應(yīng)力也隨著發(fā)生變化，這種變化對密封環(huán)的使用產(chǎn)生影響。密封端面變形破壞了平面度，更有甚者喪失過盈，使聯(lián)接失效，硬質(zhì)合金環(huán)熱裝式密封環(huán)目前有三種結(jié)構(gòu)，圖23a是制造廠早期生產(chǎn)的，結(jié)構(gòu)較為簡單。但是由于硬質(zhì)合金環(huán)和輔助密封圈接觸，一旦硬質(zhì)合金環(huán)松脫，運(yùn)轉(zhuǎn)時輔助密封圈被嚴(yán)重磨損，會出現(xiàn)大量泄漏。而圖23b是在圖23a的基礎(chǔ)上改進(jìn)的，輔助密封圈不和硬質(zhì)合金環(huán)接觸，不存在上述缺陷，只是硬質(zhì)合金環(huán)和環(huán)座之間有輕微泄漏。為了減少硬質(zhì)合金環(huán)密封端面的不均勻變形，環(huán)座的熱裝部位內(nèi)外設(shè)置環(huán)形槽（圖23c），使硬質(zhì)合金環(huán)外圓柱面的接觸應(yīng)力趨于均勻，以減少碳化鎢環(huán)的變形，使用效果較好。焊接的組合式密封環(huán)特點(diǎn)為克服熱裝式密封環(huán)松脫的缺陷，出現(xiàn)了焊接的密封環(huán)（圖24）。所用的硬質(zhì)合金是以Cr3C2為硬質(zhì)相、Ni為粘結(jié)相的燒結(jié)合金材料。耐腐蝕優(yōu)于YG6等硬質(zhì)合金，高溫下具有優(yōu)異的抗氧化性能，在1000℃空氣中加熱2小時無任何變化。但是導(dǎo)熱性能較差，*為YG6的1／3；線膨脹系數(shù)大。湛江國標(biāo)釜用機(jī)械密封</p><p style="text-indent:25px">伊格爾博格曼機(jī)械密封（張家港）有限公司位于江蘇省蘇州市，注冊資本500-700萬元，旗下?lián)碛?1~100人***專業(yè)的員工。專業(yè)的團(tuán)隊大多數(shù)員工都有多年工作經(jīng)驗(yàn)，熟悉行業(yè)專業(yè)知識技能，致力于發(fā)展神通博格曼,萊寧福斯凱士比夏普阿法拉,南方凱泉東方格蘭富蘇爾壽的品牌。公司以用心服務(wù)為**價值,希望通過我們的專業(yè)水平和不懈努力,將機(jī)械密封，機(jī)械密封件，泵用機(jī)械密封，集裝式機(jī)械密封，釜用機(jī)械密封，攪拌器機(jī)械密封，金屬波紋管機(jī)械密封，泵廠配套機(jī)械密封，石家莊工業(yè)泵機(jī)械密封，襄樊五二五泵用機(jī)械密封，柳州酸王泵用機(jī)械密封，連成配套機(jī)械密封，凱泉配套機(jī)械密封，東方配套機(jī)械密封，南方配套機(jī)械密封，福斯機(jī)械密封，沃曼泵用機(jī)械密封，電廠配套機(jī)械密封，凱泉配套機(jī)械密封。等業(yè)務(wù)進(jìn)行到底。自公司成立以來，一直秉承“以質(zhì)量求生存，以信譽(yù)求發(fā)展”的經(jīng)營理念，始終堅持以客戶的需求和滿意為**，為客戶提供質(zhì)量的[ "機(jī)械密封", "泵用機(jī)械密封", "釜用機(jī)械密封", "攪拌器機(jī)械密封" ]，從而使公司不斷發(fā)展壯大。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/919289.html</p></div></div></div></div></div><div id="icel8ho" class="page-right twoColRt"><div id="xr7mo7l" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="87wovcj" class="recomPic likePro"><a 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