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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://m.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>氣缸類型,氣缸體</p><p><span>***更新：</span>2020-09-29 09:07:59</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="znz3e2y" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海鴻達(dá)球鐵鑄造有限公司</a></p><p><span>聯(lián)系人：</span>干高毅</p><p><span>郵箱: </span>hongdaqiutie@vip.163.com</p><p><span>電話: </span>18601767432</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.hongdaqiutie.com</p><p><span>手機(jī): </span>021-56181557</p><p><span>地址: </span>上海市市轄區(qū)寶山區(qū)上海市寶山區(qū)顧陳路1250號(hào)</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="wk7yp7j" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8oaeplc" class="box"><p><p style="text-indent:25px">氣缸體的磨損：(1)軸向截面的磨損規(guī)律:沿著氣缸體軸向截面的磨損，在活塞環(huán)有效行程范圍內(nèi)，呈上大下小的錐形，在***道活塞環(huán)上止點(diǎn)略下處磨損比較大，氣缸體**塞環(huán)接觸不到的部位幾乎沒有磨損, 于是形成缸肩，活塞下止點(diǎn)油環(huán)以下部位，幾乎也沒有磨損。(2)徑向截面的磨損規(guī)律:在平行于氣缸體圓周方向的橫向截面上，氣缸類型，氣缸類型，氣缸體磨損也是不均勻的，磨成一個(gè)不規(guī)則的橢圓形，一般是前后或左右方向的磨損比較大。此外，在同一臺(tái)發(fā)動(dòng)機(jī)上,不同氣缸體磨損情況也不盡相同，一般水冷卻發(fā)動(dòng)機(jī)***缸的前壁和一缸的后壁處磨損較為嚴(yán)重。氣缸體變形小，氣缸類型，保證各運(yùn)動(dòng)零件位置正確，運(yùn)轉(zhuǎn)正常，振動(dòng)噪聲小。氣缸類型</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="氣缸類型,氣缸體" src="https://tyunfile.71360.com/UploadFile/shhdqt/637347563449521485/2860254.png"></div><p style="text-indent:25px">氣缸體是引擎的基本結(jié)構(gòu)，是發(fā)動(dòng)機(jī)機(jī)體組的重要組成部分，在氣缸體蓋和油底殼之間。氣缸體嚴(yán)格的來說要稱為氣缸體——曲軸箱！因?yàn)樗喜渴且粋€(gè)或若干個(gè)氣缸體，下半部分是支承曲軸的曲軸箱，這兩部分一般都鑄造在一起，我們通常簡稱氣缸體。根據(jù)氣缸體與油底殼安裝平面位置的不同，可以將其分為3種形式:一般式氣缸體、龍門式氣缸體和隧道式氣缸體。以為其工作條件高溫高壓、且活塞在其中往復(fù)運(yùn)動(dòng)，摩擦很大，所以氣缸體必須能耐高溫、耐腐蝕、耐磨損。南京氣缸規(guī)格型號(hào)氣缸體的型式有整體式和單鑄式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="氣缸類型,氣缸體" src="https://tyunfile.71360.com/UploadFile/shhdqt/637347563351845703/6901805.png"></div><p style="text-indent:25px">氣缸體機(jī)體由曲軸箱氣缸體蓋、氣缸體頭、氣缸體等組成。曲軸箱的作用是支承和安裝整個(gè)發(fā)動(dòng)機(jī)的其他零部件、承受發(fā)動(dòng)機(jī)工作時(shí)產(chǎn)生的各種沖擊力和轉(zhuǎn)矩;氣缸體是發(fā)動(dòng)機(jī)完成工作循環(huán)的場所,也是活塞運(yùn)動(dòng)的軌道,它承受著高溫、高壓的作用,由于外表鑄有若干散熱片,還起散發(fā)熱量的作用;氣缸體蓋的作用是用來封閉氣缸體的上蓋,與氣缸體及活塞頂部共同構(gòu)成發(fā)動(dòng)機(jī)的燃燒室,氣缸體蓋上也鑄有很多散熱片,起散熱作用;四沖程汽油發(fā)動(dòng)機(jī)還設(shè)有氣缸頭,氣缸頭的作用是用來固定進(jìn)排氣門,與氣缸體及活塞頂部組成燃燒室,外表也鑄有散熱片,起散熱作用。</p><p style="text-indent:25px">氣缸體排列方式:對(duì)于多缸發(fā)動(dòng)機(jī)，氣缸體的排列形式?jīng)Q定了發(fā)動(dòng)機(jī)外形結(jié)構(gòu)，對(duì)于發(fā)動(dòng)機(jī)氣缸體的剛度和強(qiáng)度也有影響，并關(guān)系到汽車的整體布局情況。直列式發(fā)動(dòng)機(jī)。發(fā)動(dòng)機(jī)的各個(gè)氣缸體排成一列，一般是垂直布置的。但為了降低發(fā)動(dòng)機(jī)的高度，有時(shí)也把氣缸體布置成傾斜的甚至是水平的。單列式氣缸體結(jié)構(gòu)簡單，加工容易，但發(fā)動(dòng)機(jī)長度和高度較大。一般六缸以下發(fā)動(dòng)機(jī)多采用單列式。例如捷達(dá)轎車、富康轎車、紅旗轎車所使用的發(fā)動(dòng)機(jī)均采用這種直列式氣缸體。膜式氣缸體主要用在印刷、半導(dǎo)體、自動(dòng)化控制、機(jī)器人等領(lǐng)域。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="氣缸類型,氣缸體" src="https://tyunfile.71360.com/UploadFile/shhdqt/637347563408339844/2429799.png"></div><p style="text-indent:25px">氣缸體磨損的修理：修理尺寸法：當(dāng)氣缸體磨損后，其圓度或圓柱度誤差超過允許的限度時(shí)，通過鏜削或磨削加工方法加大氣缸體直徑，恢復(fù)氣缸體正確的幾何形狀和配合要求，這種方法稱為修理尺寸法。修理尺寸法有規(guī)定的4~ 6級(jí)修理級(jí)別可供選擇。鑲套修復(fù)法：當(dāng)氣缸體直徑超過比較大修理尺寸，可對(duì)氣缸體作圓整加工，用過盈配合的方式鑲上新的氣缸體套，然后按原廠標(biāo)準(zhǔn)尺寸鏜缸或磨缸，達(dá)到氣缸體標(biāo)準(zhǔn)技術(shù)要求，這種方法稱為鑲套修復(fù)法。鑲套修復(fù)法有干式和濕式兩種。發(fā)動(dòng)機(jī)用空氣冷卻時(shí)，在氣缸體和氣缸蓋外表面鑄有許多散熱片，以增加散熱面積，保證散熱充分。氣缸類型</p><p style="text-indent:25px">氣缸體在發(fā)動(dòng)機(jī)中承受著高溫、高壓的作用。氣缸類型</p><p style="text-indent:25px">氣缸體局部補(bǔ)焊的方法：由于氣缸體結(jié)合面被蒸汽沖刷或腐蝕出溝痕，選用適當(dāng)?shù)暮笚l把溝痕添平，用平板或平尺研出痕跡，研刮焊道和結(jié)合面在同一平面內(nèi)。氣缸體結(jié)合面變形較大或是漏汽嚴(yán)重時(shí)，在下缸的結(jié)合面補(bǔ)焊一條或兩條10—20mm寬的密消除間隙封帶，然后用平尺或是扣上缸測量，并涂紅丹研刮，直到消除間隙。此操作的工藝也很簡單，焊前預(yù)熱氣缸體至150℃，然后在室溫下進(jìn)行分段退焊或跳焊。選用奧氏體焊條，焊后用石棉布覆蓋保溫緩冷。待冷卻室溫后進(jìn)行打磨修刮。氣缸類型</p><p 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