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href="http://www.cdcfah.com/cp/third-qdyjcg_qtqdyjtn/">其他氣動元件</a>?流體設(shè)備歡迎咨詢上海邁頜信息科技供應(yīng)</p><div id="swi3eqx" class="leftbox clearfix"><h1>流體設(shè)備歡迎咨詢上海邁頜信息科技供應(yīng)</h1><div id="scuw3hj" class="proBig"><div id="fery2uw" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847566328125/174557.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8i2s32m" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847566328125/174557.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bvxzw9n" 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>流體設(shè)備,流體</p><p><span>***更新：</span>2020-12-08 02:13:08</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="3x9gvfh" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海邁頜信息科技有限公司</a></p><p><span>聯(lián)系人：</span>王欽</p><p><span>郵箱: </span>834334323@qq.com</p><p><span>電話: </span>18917232386</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.maihetech.com</p><p><span>手機(jī): </span>021-62086881</p><p><span>地址: </span>上海市松江區(qū)九亭鎮(zhèn)九亭中心路1158號21幢708室-2A</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="dm7ifuq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nxz77ho" class="box"><p><p style="text-indent:25px">聯(lián)軸器的功能、類型、主要用途: 聯(lián)軸器是將兩軸軸向聯(lián)接起來并傳遞扭矩及運(yùn)動的部件并具有一定的補(bǔ)償兩軸偏移的能力，為了減少機(jī)械傳動系統(tǒng)的振動、降低沖擊尖峰載荷，聯(lián)軸器還應(yīng)具有一定的緩沖減震性能。聯(lián)軸器有時也兼有過載安全保護(hù)作用。聯(lián)軸器是在機(jī)械設(shè)備中聯(lián)接兩個傳動部件的紐帶，是工業(yè)傳動的一個重要組成部份。根據(jù)不同的類型、性能、用途可以分為以下幾大類： 1、根據(jù)類型分為以下較常見幾類：金屬膜片聯(lián)軸器：適用于伺服電機(jī)、編碼器、行星減速機(jī)，流體設(shè)備、滾珠絲桿、壓縮機(jī)、混合機(jī)、造紙機(jī)械、機(jī)器人等機(jī)械設(shè)備。梅花型聯(lián)軸器：適用于編碼器、伺服系統(tǒng)、馬達(dá)主軸傳動、包裝機(jī)械、機(jī)床傳動、泵等機(jī)械。波紋管聯(lián)軸器：適用于編碼器、數(shù)控機(jī)床、定位系統(tǒng)、滾珠絲桿、分度盤、行星齒輪減速機(jī)，流體設(shè)備。彈簧聯(lián)軸器：適用于旋轉(zhuǎn)編碼器、步進(jìn)馬達(dá)，流體設(shè)備、絲桿等。平行式聯(lián)軸器：適用于步進(jìn)電機(jī)、編碼器、絲桿等連接。十字滑塊聯(lián)軸器：適用于轉(zhuǎn)速計、編碼器、絲桿、機(jī)床等機(jī)械。流體的彈性模量很大，即使壓強(qiáng)變化并不很小，但仍使密度變化很小，大多數(shù)液體的流動屬于此類。流體設(shè)備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="流體設(shè)備,流體" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847566328125/174557.png"></div><p style="text-indent:25px">流體的均勻流與非均勻流: 如果總的有效斷面或平均流速沿流程不變，各有效斷面上相應(yīng)點的流速業(yè)不變，且流線為平行直線，這樣的穩(wěn)定流動稱為均勻流。均勻流中沒有加速度，因而不存在慣性力。當(dāng)有效斷面沿流程變化，或者有效斷面不變，但各斷面上速度分布改變時這種流動稱為非均勻流。例如，有效斷面收縮或擴(kuò)大處、圓管轉(zhuǎn)彎處、流線為夾角不同的曲線或直線等都屬于非均勻流。非均勻流中有加速度，因而存在慣性力。如果有效斷面沿流程變化劇烈或斷面流速分布變化劇烈時，該流動稱為急變流。江蘇PU軟管流體元件公司粘度是流體的物理特性，任何流體都有粘度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="流體設(shè)備,流體" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847512148438/8901706.png"></div><p style="text-indent:25px">聯(lián)軸器的功能要求和分類：機(jī)器由動力機(jī)—傳動—工作機(jī)—控制器四個主要部分組成。聯(lián)軸器是用來連接其中兩軸或軸與回轉(zhuǎn)體，以傳遞運(yùn)動和轉(zhuǎn)矩為基本功能的通用部件。聯(lián)軸器的兩個半聯(lián)軸器用軸轂連接固裝在主、從動軸上，在用連接件（剛體、彈性體）將兩個半聯(lián)軸器連接起來，形成剛性聯(lián)軸器和撓性聯(lián)軸器。前者只起連接兩軸傳遞運(yùn)動和扭矩，不具備其它功能。用金屬或非金屬彈性元件連接的兩個半聯(lián)軸器，分別稱為具有金屬彈性元件的撓性聯(lián)軸器和非金屬彈性元件的撓性聯(lián)軸器，它們利用彈性元件的變形來補(bǔ)償兩軸線的相對偏移，同時具有不同程度的減震、緩沖和改善傳動系統(tǒng)工作特性的功能。能起過載安全保護(hù)作用的稱為安全聯(lián)軸器。所有聯(lián)軸器只能在停機(jī)狀態(tài)下通過裝拆才能使兩半聯(lián)軸器結(jié)合或分離。</p><p style="text-indent:25px">聯(lián)軸器安裝前先把零部件清洗干凈，清洗后的零部件，需把沾在上面的洗油擦干。在短時間內(nèi)準(zhǔn)備運(yùn)行的聯(lián)軸器，擦干后可在零部件表面涂些透平油或機(jī)油，防止生銹。對于需要過較長時間投用的聯(lián)軸器，應(yīng)涂以防銹油保養(yǎng)。聯(lián)軸器的結(jié)構(gòu)型式很多，具體裝配的要求、方法都不一樣，對于安裝來說，總的原則是嚴(yán)格按照圖紙要求進(jìn)行裝配，具體的只能介紹一些聯(lián)軸器裝配中經(jīng)常需要注意的問題。對于應(yīng)用在高速旋轉(zhuǎn)機(jī)械上的聯(lián)軸器，一般在制造廠都做過動平衡試驗，動平衡試驗合格后畫上各部件之間互相配合方位的標(biāo)記。如果不按標(biāo)記任意組裝，很可能發(fā)生由于聯(lián)軸器的動平衡不好引起機(jī)組振動的現(xiàn)象。流體它具有易流動性，可壓縮性，黏性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="流體設(shè)備,流體" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847458974609/1170994.png"></div><p style="text-indent:25px">流體性質(zhì)：質(zhì)量和密度流體和其他物質(zhì)一樣，具有質(zhì)量和重量。單位體積的流體所具有的質(zhì)量稱為流體的密度，用ρ來表示。在流體中任意點處的密度均相同，則該流體為均勻流體，均勻流體的密度表示為，ρ=m/v 。對于非均勻流體，因為各點處的密度不同，所以按下式計算的只是流體的平某一點處的密度應(yīng)為：dm——所取某微元件的的質(zhì)量（kg） dV——質(zhì)量為dm的微元件的體積（m3）流體的比容指的是單位質(zhì)量的流體所占有的體積，用v表示。顯然，它與密度互為倒數(shù)。由于流體分子的熱運(yùn)動所產(chǎn)生的熱能的輸運(yùn)現(xiàn)象。流體設(shè)備</p><p style="text-indent:25px">流體的傳熱可分為：熱輻射、熱對流、熱傳導(dǎo)。流體設(shè)備</p><p style="text-indent:25px">單項流體和多項流體: 單組分氣體、多組分氣體或彼此能溶解的液體都是單相流體，而固體顆粒、液體顆粒懸浮在氣體介質(zhì)中，這樣的流體則為多相流。在除塵技術(shù)中，含塵氣體在管道中的流動過程可以按單相流體處理，而粉塵在除塵器中的分離過程則必需按多相流體處理。流體的壓縮性和膨脹性: 流體受壓力作用時體積縮小、密度增大的性質(zhì)稱為流體的壓縮性。流體隨著溫度的升高體積膨脹、密度減小的性質(zhì)，稱為流體的膨脹性。在工程上，對于氣流速度遠(yuǎn)小于聲速且處于常溫常壓條件下的氣體，可近似地認(rèn)為是不可壓縮的氣體。如在常溫常壓下工作的除塵器、風(fēng)機(jī)、通風(fēng)管道等裝置中的氣體都可按不可壓縮流體進(jìn)行處理；而對于在高溫高壓下的流動的氣體則必需按可壓縮流體處理，否則將會導(dǎo)致較大誤差。流體設(shè)備</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2309778.html</p></div></div></div></div></div><div id="e8sc2co" class="page-right twoColRt"><div id="xhzr78r" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="blif4zw" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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