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class="leftbox clearfix"><h1>淮北襄陽(yáng)五二五泵用機(jī)械密封件廠伊格爾博格曼機(jī)械密封供應(yīng)</h1><div id="lpcj9sp" class="proBig"><div id="ujlimyz" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637330181800947265/661555.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gzbycjq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637330181800947265/661555.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="tnfcgs8" 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>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>淮北襄陽(yáng)五二五泵用機(jī)械密封件廠,泵用機(jī)械密封件</p><p><span>***更新：</span>2021-02-04 14:19:10</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="kjln2df" 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="i3qn4x8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="yro8pfx" class="box"><p><p> ***節(jié)機(jī)械密封原理機(jī)械密封是一種旋轉(zhuǎn)機(jī)械的軸封裝置。比如離心泵、離心機(jī)、反應(yīng)釜和壓縮機(jī)等設(shè)備。由于傳動(dòng)軸貫穿在設(shè)備內(nèi)外，這樣，軸與設(shè)備之間存在一個(gè)圓周間隙，設(shè)備中的介質(zhì)通過該間隙向外泄漏，如果設(shè)備內(nèi)壓力低于大氣壓，則空氣向設(shè)備內(nèi)泄漏，因此必須有一個(gè)阻止泄漏的軸封裝置。軸封的種類很多，由于機(jī)械密封具有泄漏量少和壽命長(zhǎng)等優(yōu)點(diǎn)，所以當(dāng)今世界上機(jī)械密封是這些設(shè)備主要的軸密封方式。機(jī)械密封又叫端面密封，在國(guó)家有關(guān)標(biāo)準(zhǔn)中是這樣定義的：“由至少一對(duì)垂直于旋轉(zhuǎn)軸線的端面在流體壓力和補(bǔ)償機(jī)構(gòu)彈力（或磁力）的作用以及輔助密封的配合下保持貼合并相對(duì)滑動(dòng)而構(gòu)成的防止流體泄漏的裝置?！币?、機(jī)械密封的分類機(jī)械密封近年來發(fā)展很快，根據(jù)不同的工況出現(xiàn)了各種各樣的結(jié)構(gòu)，淮北襄陽(yáng)五二五泵用機(jī)械密封件廠，但無論哪種結(jié)構(gòu)都由以下四部分組成：一部分是由動(dòng)環(huán)和靜環(huán)組成的密封端面，有時(shí)也稱為摩擦副。第二部分是由彈性元件為主要零件組成的緩沖補(bǔ)償機(jī)構(gòu)，其作用是使密封端面緊密貼合。第三部分是輔助密封圈，其中有動(dòng)環(huán)和靜環(huán)密封圈。第四部分是使動(dòng)環(huán)隨軸旋轉(zhuǎn)的傳動(dòng)機(jī)構(gòu)。機(jī)械密封實(shí)現(xiàn)的原理如圖所示：軸通過傳動(dòng)座（6）和推環(huán)（4），淮北襄陽(yáng)五二五泵用機(jī)械密封件廠，帶動(dòng)動(dòng)環(huán)（2）旋轉(zhuǎn)，淮北襄陽(yáng)五二五泵用機(jī)械密封件廠，靜環(huán)(1)固定不動(dòng)。巴中襄樊五二五泵用機(jī)械密封件大全?；幢毕尻?yáng)五二五泵用機(jī)械密封件廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮北襄陽(yáng)五二五泵用機(jī)械密封件廠,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330181800947265/661555.png"></div><p> 也稱平直度）是密封環(huán)很重要的一個(gè)質(zhì)量指標(biāo)，要求在0．0009mm以內(nèi)，這樣的數(shù)量級(jí)用普通的量具是無法測(cè)量的。既準(zhǔn)確又迅速的方法是用光干涉法。它需要一個(gè)光學(xué)平晶和單色光源，一般用鈉光燈。檢測(cè)時(shí)，將平晶放到被檢的密封端面上，斜上方用鈉光燈照射（圖15）檢查干涉條紋的數(shù)量。鈉光的波長(zhǎng)為0．6μm，每個(gè)干涉條紋為半個(gè)波長(zhǎng)，即一條干涉條紋為0．3μm，由干涉條紋的數(shù)量即可確定密封端面的平面度。確定干涉條紋的數(shù)量：密封端面的平面度不同，條紋的種類也不同。圖16表示了幾種平面度合格的圖像，至于不合格的圖像各式各樣未予繪出。圖16a是平直的條紋，表明密封端面的平面度接近光學(xué)平晶的平面度，這種平面度高；圖16b是彎曲的條紋，干涉條紋數(shù)在一條以內(nèi)，即小于μm；圖16c也是彎曲的條紋，干涉條紋數(shù)二條，平面度在μm以內(nèi)；圖16d是同心圓狀的干涉條紋，如果是從平板研磨后取下來檢驗(yàn)平面度，這說明端面的內(nèi)緣高，外緣低，同心圓數(shù)量越多，其內(nèi)外緣高低差別越大。出面同心圓的條紋不要超過2個(gè)。六、動(dòng)環(huán)和靜環(huán)動(dòng)環(huán)可分為非補(bǔ)償型和補(bǔ)償型兩種。在靜止型機(jī)械密封中，采用非補(bǔ)償型動(dòng)環(huán)，固在軸上，有的用軸套壓緊在軸上（圖3）。補(bǔ)償型動(dòng)環(huán)***用于旋轉(zhuǎn)型機(jī)械密封中?；幢毕尻?yáng)五二五泵用機(jī)械密封件廠成都襄樊五二五泵用機(jī)械密封件大全。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮北襄陽(yáng)五二五泵用機(jī)械密封件廠,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330182097675781/701815.png"></div><p> 當(dāng)產(chǎn)生抽空（汽蝕）時(shí)，靜環(huán)能離位，從而損壞密封。2）固定型靜環(huán)。圖21所示為幾種固定型靜環(huán)，這種靜環(huán)由于浮動(dòng)性差，安裝時(shí)尤其要注意密封端面和軸心線的垂直度。其優(yōu)點(diǎn)是泵抽空時(shí)靜環(huán)不至于離位，較為可靠。3）粘結(jié)型靜環(huán)。上兩種靜環(huán)安裝在壓蓋中時(shí)都設(shè)有密封圈，而粘結(jié)型靜環(huán)則取消了密封圈，靜環(huán)與壓蓋之間的密封和防轉(zhuǎn)，用粘結(jié)劑實(shí)現(xiàn)。由于采用了粘結(jié)劑，使用溫度和介質(zhì)受到了粘結(jié)劑性能的限制，盡管如此，仍在很多場(chǎng)合得到應(yīng)用。集裝式密封的軸套的傳動(dòng)普通機(jī)械密封的軸套都是事先安裝和固定在軸上后再安裝機(jī)械密封，而集裝式密封則不同，它是將密封軸套和壓蓋預(yù)先裝在軸套上，再整體向軸上安裝，于是存在一個(gè)軸套如何固定在軸上，并傳遞扭矩的問題，同時(shí)還要解決軸套和軸之間的泄漏問題。圖42a表示了一種傳動(dòng)方式。螺釘安裝在零件A上，在軸套的對(duì)應(yīng)部位開有圓孔，將螺釘通過軸套的圓孔，并旋緊在軸上，即可實(shí)現(xiàn)軸套和軸的傳動(dòng)。軸套和軸的密封，靠O形圈來完成。這種傳動(dòng)方式比較簡(jiǎn)單。圖42b是另一種傳動(dòng)方式。它用圓螺母A壓緊軸和軸套之間的填料（四氟制成），靠填料與軸的摩擦力來傳動(dòng)，同時(shí)也起到了密封圈的作用。</p><p> 特種機(jī)械密封是指介質(zhì)、壓力、速度、溫度、結(jié)構(gòu)和用途方面與普通機(jī)械密封有所區(qū)別的機(jī)械密封，國(guó)內(nèi)也稱高參數(shù)機(jī)械密封.將機(jī)械密封分為普通和特種兩類，是便于說明機(jī)械密封的結(jié)構(gòu)、工作條件和使用要求，因此，有的密封廠商除列舉正常密封產(chǎn)品外，也列出高載荷機(jī)械密封;有的廠商則將產(chǎn)品樣本以外的機(jī)械密封稱作特種機(jī)械密封;有的廠商將高溫、高壓、高速的機(jī)械密封分別列出或加上標(biāo)志，以便與普通機(jī)械密封產(chǎn)品相區(qū)別;有的廠商則以使用溫度來區(qū)分普通機(jī)械密封與特種機(jī)械密封.例如，英國(guó)克蘭公司將溫度一20~+230℃作為正常產(chǎn)品，超出以上溫度范圍的機(jī)械密封，就作為特種機(jī)械密封產(chǎn)品來考慮.本章所列的特種機(jī)械密封*指釜用、高溫、高壓、高速、低溫、真空和強(qiáng)腐蝕介質(zhì)以及帶磨料介質(zhì)的機(jī)械密封，對(duì)于那些用于宇航、核電，不在本章內(nèi)容之列。釜用機(jī)械密封釜用機(jī)械密封是指攪拌器(混合器)密封.從引進(jìn)裝置中使用攪拌器的情況來看，凡大型釜用攪拌器都采用機(jī)械密封，它占攪拌器總量的，而未采用機(jī)械密封的攪拌器多數(shù)為小功率和堆、槽內(nèi)的小型攪拌器.近年來，機(jī)械密封在攪拌器上得到廣應(yīng)用，一是因?yàn)閿嚢杵鬏S的擺動(dòng)量大，有的攪拌軸長(zhǎng)達(dá)7~8m，雖然有底部支承裝置，但擺動(dòng)量仍然很大。巫山襄樊五二五泵用機(jī)械密封件廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮北襄陽(yáng)五二五泵用機(jī)械密封件廠,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330182248554687/4040785.png"></div><p> 熱裝式密封環(huán)進(jìn)行強(qiáng)度校核的方法從傳遞扭矩和密封性的角度可以得出環(huán)與環(huán)座的過盈值，對(duì)此還要進(jìn)行強(qiáng)度校核。對(duì)于環(huán)來講，大都是脆性材料（例如硬質(zhì)合金和石墨等），承受的是擠壓應(yīng)力，在該應(yīng)力作用下，不能斷裂和產(chǎn)生較大的變形。環(huán)中產(chǎn)生的擠壓應(yīng)力為σ1=2*Pm*K12/（K12-1）式中Pm——過盈界面上產(chǎn)生的接觸應(yīng)力P＝e/Cdm＿式中K1——系數(shù)。K1=dm/d1式中C——系數(shù)dm——界面直徑。強(qiáng)度校核應(yīng)滿足σ1＜[σ][σ]=σs/nsσs——材料的屈服極限ns——安全系數(shù)對(duì)一般的強(qiáng)度校核，安全系數(shù)n。＝1．8～2。環(huán)是脆件材料，考慮到密封端面上存在溫度差和不允許有較大變形的具體條件，安全系數(shù)取4。也可校對(duì)其變形量。通常規(guī)定脆性材料的應(yīng)變值為。因此，實(shí)際工作中只校核其相對(duì)應(yīng)變值。即允許相對(duì)應(yīng)變量為0．05%。相對(duì)應(yīng)變量ε=σ1/E1=2PmK12/E1(K12-1)式中E1為環(huán)的彈性模量常用熱裝式密封環(huán)的環(huán)磁材料使用溫度根據(jù)泵送介質(zhì)腐蝕性和介質(zhì)溫度（或密封箱溫度）的不同采用不同的環(huán)座材料。常用的環(huán)座材料有1Cr18Ni9、3Cr13、鈦合金和42#卡朋特合金（CAP42，相當(dāng)于國(guó)內(nèi)牌號(hào)4J42）。這些材料線膨脹系數(shù)和耐腐蝕性有較大的差別，使用溫度也不同。前面分析問題的時(shí)候，沒有考慮離心力的影響。濱海新區(qū)襄樊五二五泵用機(jī)械密封件選型?；幢毕尻?yáng)五二五泵用機(jī)械密封件廠</p><p style="text-indent:25px">巫山石家莊工業(yè)泵泵用機(jī)械密封件廠家?；幢毕尻?yáng)五二五泵用機(jī)械密封件廠</p><p> 為了使機(jī)械密封做到密封性能可靠，使用壽命長(zhǎng)，對(duì)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(duì)于降低成本、普及推廣機(jī)械密封技術(shù)均有好處。根據(jù)國(guó)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(guó)外同類產(chǎn)品的加工尺寸及精度要求，對(duì)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，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(dòng)套內(nèi)徑公差；⑦動(dòng)環(huán)安裝密封圈處內(nèi)徑公差；⑧動(dòng)環(huán)內(nèi)徑與軸的配合公差；⑨傳動(dòng)套傳動(dòng)的動(dòng)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，制造時(shí)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。淮北襄陽(yáng)五二五泵用機(jī)械密封件廠</p></p><br 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