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href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="tr7q7nk" class="twoCol"><div id="ptvcl88" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/second-wjgj_jgjljjlg/">緊固件、連接件</a>?<a href="http://www.cdcfah.com/cp/third-jgjljjlg_luoshuanyx/">螺栓</a>?晉億螺絲訂購(gòu) 真誠(chéng)推薦晉迅緊固件供應(yīng)</p><div id="fyacmfj" class="leftbox clearfix"><h1>晉億螺絲訂購(gòu) 真誠(chéng)推薦晉迅緊固件供應(yīng)</h1><div id="g8qu8xu" class="proBig"><div id="tnf3bnp" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103862469118/1415680.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pt7odk2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103862469118/1415680.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uiah42e" 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>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>晉億螺絲訂購(gòu),螺栓</p><p><span>***更新：</span>2020-12-28 06:21:27</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="es3mj2j" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">晉迅緊固件（上海）有限公司</a></p><p><span>聯(lián)系人：</span>陳帥</p><p><span>郵箱: </span>sales@gemx.cn</p><p><span>電話: </span>15858568787</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://jinxunjingujian.shop.88360.com</p><p><span>手機(jī): </span>021-52236587</p><p><span>地址: </span>蘇虹路333號(hào)215-6室</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="ihd32r2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8gikjkh" class="box"><p><p style="text-indent:25px">M表示了公制螺紋，也就是米制螺紋，用于區(qū)分英制螺紋。例如：M12就是表示螺紋大徑(公稱直徑)為12mm的螺絲。公制螺紋，螺紋標(biāo)準(zhǔn)的一種，又稱米制螺紋，與英制螺紋較大的區(qū)別是螺距用毫米計(jì)量。公制螺紋有普通螺紋（牙型角60°）；梯形螺紋（牙型角30°）；鋸齒形螺紋（牙型角33°）；方牙螺紋等幾種。硬度表示材料抵抗硬物體壓入其表面的能力。它是金屬材料的重要性能指標(biāo)之一。一般硬度越高，耐磨性越好。常用的硬度指標(biāo)有布氏硬度、洛氏硬度和維氏硬度。螺栓布氏硬度(HB)以一定的載荷(一般3000kg)把一定大小(直徑一般為10mm)的淬硬鋼球壓入材料表面，保持一段時(shí)間，去載后，晉億螺絲訂購(gòu)，晉億螺絲訂購(gòu)，負(fù)荷與其壓痕面積之比值，即為布氏硬度值(HB)，晉億螺絲訂購(gòu)，單位為公斤力/mm2(N/mm2)。螺栓：機(jī)械零件，配用螺母的圓柱形帶螺紋的緊固件。晉億螺絲訂購(gòu)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="晉億螺絲訂購(gòu),螺栓" src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103862469118/1415680.png"></div><p style="text-indent:25px">普通螺栓按照制作精度可分為A、B、C三個(gè)等級(jí)，A、B級(jí)為精制螺栓，C級(jí)為粗制螺栓。對(duì)于鋼結(jié)構(gòu)用連接螺栓，除特別注明外，一般為普通粗制C級(jí)螺栓。不同的級(jí)次加工的方法存在差異，通常對(duì)應(yīng)加工方式如下： ①A、B級(jí)螺栓的栓桿由車床加工而成，表面光滑，尺寸精確，其材料性能等級(jí)為8.8級(jí)，制作安裝復(fù)雜，價(jià)格較高，很少采用; ②C級(jí)螺栓用未加工的圓鋼制成，尺寸不夠精確，其材料性能等級(jí)為4.6級(jí)或4.8級(jí)?？辜暨B接時(shí)變形大，但安裝方便，生產(chǎn)成本低，多用于抗拉連接或安裝時(shí)的臨時(shí)固定。晉億螺絲訂購(gòu)地腳螺栓的總長(zhǎng)度可以通過以下公式來確定：L = 15d4ts。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="晉億螺絲訂購(gòu),螺栓" src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103986541387/6997044.png"></div><p style="text-indent:25px">建筑結(jié)構(gòu)的主構(gòu)件的螺栓連接，一般均采用**螺栓連接。普通螺栓可重復(fù)使用，**螺栓不可重復(fù)使用。**螺栓一般用于長(zhǎng)效連接。**螺栓是預(yù)應(yīng)力螺栓,摩擦型用扭矩扳手施加規(guī)定預(yù)應(yīng)力,承壓型擰掉梅花頭。普通螺栓抗剪性能差，可在次要結(jié)構(gòu)部位使用。普通螺栓只需擰緊即可。普通螺栓一般為4.4級(jí)、4.8級(jí)、5.6級(jí)和8.8級(jí)。**螺栓一般為8.8級(jí)和10.9級(jí)，其中10.9級(jí)居多。8.8級(jí)與8.8S是相同等級(jí)。普通螺栓與**螺栓的受力性能與計(jì)算方法均有所區(qū)別的。**螺栓的受力首先是通過在其內(nèi)部施加預(yù)拉力P，然后在被連接件之間的接觸面上產(chǎn)生摩擦阻力來承受外荷載的，而普通螺栓則是直接承受外荷載的。</p><p style="text-indent:25px">**度的螺栓連接是通過螺栓桿內(nèi)很大的擰緊預(yù)拉力把連接板的板件夾緊，足以產(chǎn)生很大的摩擦力，從而提高連接的整體性和剛度，當(dāng)受剪力時(shí)，按照設(shè)計(jì)和受力要求的不同，可分為**螺栓摩擦型連接和**螺栓承壓型連接兩種，兩者的本質(zhì)區(qū)別是極限狀態(tài)不同，雖然是同一種螺栓，但是在計(jì)算方法、要求、適用范圍等方面都有很大的不同。在抗剪設(shè)計(jì)時(shí)，**螺栓摩擦型連接是以外剪力達(dá)到板件接觸面間由螺栓擰緊力所提供的可能較大摩擦力作為極限狀態(tài)，也即是保證連接在整個(gè)使用期間內(nèi)外剪力不超過較大摩擦<span style="display:none;"></span>力。板件不<span style="display:none;"></span>會(huì)發(fā)生相對(duì)滑移變形（螺桿和孔壁之間始終保持原有的空隙量），被連接板件按彈性整體受力。地腳螺栓，用于機(jī)器和地面連接固定的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="晉億螺絲訂購(gòu),螺栓" src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103870720980/3370607.png"></div><p style="text-indent:25px">解析法蘭螺栓(DIN6921/GB5787)進(jìn)行鏈接所具備的特點(diǎn)。法蘭螺栓(DIN6921/GB5787)加快施工進(jìn)度：**度法蘭螺栓施工簡(jiǎn)便，對(duì)于一個(gè)不熟悉**度法蘭螺栓施工的工人，只要經(jīng)過簡(jiǎn)單的培訓(xùn)，就可以上崗操縱。法蘭螺栓在鋼結(jié)構(gòu)運(yùn)輸過程中不易松動(dòng)，且在使用中減少維護(hù)工作量。假如發(fā)生松動(dòng)即可個(gè)別更換，不影響其四周螺栓的連接。法蘭螺栓施工勞動(dòng)條件好，而且栓孔可在工廠一次成型，省了二次擴(kuò)孔的工序。綜上所述，以上的信息則詳細(xì)的描述了，法蘭螺栓在應(yīng)用的時(shí)候，所具備的一些產(chǎn)品特點(diǎn)?；顒?dòng)地腳螺栓適用于有強(qiáng)烈振動(dòng)和沖擊的重型設(shè)備。晉億螺絲訂購(gòu)</p><p style="text-indent:25px">地腳螺栓的牙頂：連接兩個(gè)牙側(cè)的頂部表面；晉億螺絲訂購(gòu)</p><p style="text-indent:25px">**度的螺栓施加預(yù)拉力和靠摩擦力傳遞外力。普通螺栓連接靠栓桿抗剪和孔壁承壓來傳遞剪力，擰緊螺帽時(shí)產(chǎn)生預(yù)拉力很小，其影響可以忽略不計(jì)，而**螺栓除了其材料強(qiáng)度很高之外，還給螺栓施加很大預(yù)拉力，使連接構(gòu)件間產(chǎn)生擠壓力，從而使垂直于螺桿方向有很大摩擦力，而且預(yù)拉力、抗滑移系數(shù)和鋼材種類都直接影響**螺栓的承載力。根據(jù)受力特點(diǎn)分承壓型和摩擦型.兩者計(jì)算方法不同。**螺栓較小規(guī)格M12，常用M16~M30，超大規(guī)格的螺栓性能不穩(wěn)定，設(shè)計(jì)中應(yīng)慎重使用。晉億螺絲訂購(gòu)</p><p style="text-indent:25px">晉迅緊固件（上海）有限公司辦公設(shè)施齊全，辦公環(huán)境優(yōu)越，為員工打造良好的辦公環(huán)境。晉億,晉德,標(biāo)五,鵬馳,宏茂五金,東明,奧展是晉迅緊固件（上海）有限公司的主營(yíng)品牌，是專業(yè)的緊固件、五金制品、鐵道扣件、鋼材、鑄造件、機(jī)械設(shè)備及零配件、五金交電、裝配工具、電子產(chǎn)品、普通勞保用品、摩托車及零配件、汽車配件及用品、化工產(chǎn)品（除危險(xiǎn)化學(xué)品、監(jiān)控化學(xué)品、煙花爆竹、民用物品、易制毒化學(xué)品）、機(jī)電產(chǎn)品的零售和批發(fā)，電子商務(wù)（不得從事金融業(yè)務(wù)），從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)，從事緊固件及裝配工具、計(jì)算機(jī)應(yīng)用軟件科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)轉(zhuǎn)讓、技術(shù)咨詢、技術(shù)服務(wù)、商務(wù)信息咨詢，供應(yīng)鏈管理。公司，擁有自己**的技術(shù)體系。我公司擁有強(qiáng)大的技術(shù)實(shí)力，多年來一直專注于緊固件、五金制品、鐵道扣件、鋼材、鑄造件、機(jī)械設(shè)備及零配件、五金交電、裝配工具、電子產(chǎn)品、普通勞保用品、摩托車及零配件、汽車配件及用品、化工產(chǎn)品（除危險(xiǎn)化學(xué)品、監(jiān)控化學(xué)品、煙花爆竹、民用物品、易制毒化學(xué)品）、機(jī)電產(chǎn)品的零售和批發(fā)，電子商務(wù)（不得從事金融業(yè)務(wù)），從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)，從事緊固件及裝配工具、計(jì)算機(jī)應(yīng)用軟件科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)轉(zhuǎn)讓、技術(shù)咨詢、技術(shù)服務(wù)、商務(wù)信息咨詢，供應(yīng)鏈管理。的發(fā)展和創(chuàng)新，打造高指標(biāo)產(chǎn)品和服務(wù)。誠(chéng)實(shí)、守信是對(duì)企業(yè)的經(jīng)營(yíng)要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的緊固件，熱鍍鋅，螺絲，螺母。</p></p><br 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