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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bjdkrih" 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>平頭內(nèi)六角螺絲生產(chǎn)廠,螺栓</p><p><span>***更新：</span>2020-12-25 02:18:15</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="nqsz2fm" 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: </span>021-52236587</p><p><span>地址: </span>蘇虹路333號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="nrt8udf" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="vjls3if" class="box"><p><p style="text-indent:25px">法蘭螺栓(DIN6921/GB5787)的緊固辦法：無扭矩梅花扳手或錘形扳手適用于一般設(shè)備和管道法蘭的緊固，依據(jù)螺栓尺度和法蘭壓力等級選用。緊固要求如下：1）修理單位應(yīng)擬定緊固計劃，對稱緊固法蘭，并編號緊固次序。2）用4個螺栓將墊圈定位在方位1、2、3和4，以保證環(huán)繞式墊圈的中心坐落法蘭邊際內(nèi)。3）用手緊固定位螺栓，然后刺進(jìn)其他雙頭螺栓并用手?jǐn)Q緊，以平衡負(fù)載，并保證螺母每端至少顯露2個螺紋。4）依據(jù)現(xiàn)場設(shè)備和法蘭，每圈扣件一次核算，合理確認(rèn)扣件的扣件次數(shù)（不少于3次）和沖擊載荷（強度）。扣件的沖擊載荷（強度）從小到大，平頭內(nèi)六角螺絲生產(chǎn)廠，平頭內(nèi)六角螺絲生產(chǎn)廠。不要加載太快或太大，以防止墊圈密封失效。5）無扭矩梅花扳手或錘形扳手?jǐn)Q緊次序：將兩個直徑相對的螺栓擰緊至螺栓的預(yù)訂錘擊載荷（強度）；將另一對螺栓與前兩個螺栓的圓周間隔固定在90度左右；持續(xù)擰緊，直到一切剩下的螺栓擰緊到給定的錘擊載荷，平頭內(nèi)六角螺絲生產(chǎn)廠。6）終究，按錘擊載荷（強度）順時針或逆時針擰緊一切螺栓。平頭螺栓將要連接的材質(zhì)“攻-鉆-擠-壓”出匹配的螺紋，實現(xiàn)相互間的緊密配合。平頭內(nèi)六角螺絲生產(chǎn)廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="平頭內(nèi)六角螺絲生產(chǎn)廠,螺栓" src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103870720980/3370607.png"></div><p style="text-indent:25px">螺栓規(guī)格尺寸的內(nèi)容非常多，M表示三角螺紋，M后面的數(shù)表示公稱直徑，×號后面的數(shù)是表示螺栓去帽后的長度。例如：M6×30M表示三角螺紋，6表示螺紋的公稱直徑是6，也就是說是6個的螺紋，30表示螺栓去帽后的長度。由頭部和螺桿（帶有外螺紋的圓柱體）兩部分組成的一類緊固件，需與螺母配合，用于緊固連接兩個帶有通孔的零件。如把螺母從螺栓上旋下，又可以使這兩個零件分開，故螺栓連接是屬于可拆卸連接，螺栓用于兩種物體的連接，螺栓需要配合螺母使用。常用螺絲廠家螺栓按螺紋的牙型分為粗牙和細(xì)牙兩類。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="平頭內(nèi)六角螺絲生產(chǎn)廠,螺栓" src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103957215615/9911846.png"></div><p style="text-indent:25px">螺栓洛氏硬度(HR) 當(dāng)HB>450或者試樣過小時，不能采用布氏硬度試驗而改用洛氏硬度計量。它是用一個頂角120°的金剛石圓錐體或直徑為1.59、3.18mm的鋼球，在一定載荷下壓入被測材料表面，由壓痕的深度求出材料的硬度。根據(jù)試驗材料硬度的不同，分三種不同的標(biāo)度來表示: HRA:是采用60kg載荷和鉆石錐壓入器求得的硬度，用于硬度極高的材料(如硬質(zhì)合金等)。 HRB:是采用100kg載荷和直徑1.58mm淬硬的鋼球，求得的硬度，用于硬度較低的材料(如退火鋼、鑄鐵等)。 HRC:是采用150kg載荷和鉆石錐壓入器求得的硬度，用于硬度很高的材料(如淬火鋼等)。</p><p style="text-indent:25px">螺柱:沒有頭部的,*有兩端均外帶螺紋的一類緊固件。連接時,它的一端必須旋入帶有內(nèi)螺紋孔的零件中,另一端穿過帶有通孔的零件中,然后旋上螺母,即使這兩個零件緊固連接成一見整體。這種連接形式稱為螺柱連接,也是屬于可拆卸連接。主要用于被連接零件之一厚度較大、要求結(jié)構(gòu)緊湊,或因拆卸頻繁,不宜采用螺栓連接的場合。螺釘:也是由頭部和螺桿兩部分構(gòu)成的一類緊固件,按用途可以分為三類:機器螺釘、緊定螺釘和特殊用途螺釘。機器螺釘主要用于一個緊定螺紋孔的零件,與一個帶有通孔的零件之間的緊固連接,不需要螺母配合(這種連接形式稱為螺釘連接,也屬于可拆卸連接;也可以與螺母配合,用于兩個帶有通孔的零件之間的緊固連接。)緊定螺釘主要用于固定兩個零件之間的相對位置。特殊用途螺釘例如有吊環(huán)螺釘?shù)裙┑跹b零件用。摩擦型**度螺栓承受剪力的準(zhǔn)則是設(shè)計荷載引起的剪力不超過摩擦力。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="平頭內(nèi)六角螺絲生產(chǎn)廠,螺栓" src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388104096492618/7369776.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。法蘭螺栓(DIN6921/GB5787)加快施工進(jìn)度：**度法蘭螺栓施工簡便，對于一個不熟悉**度法蘭螺栓施工的工人，只要經(jīng)過簡單的培訓(xùn)，就可以上崗操縱。法蘭螺栓在鋼結(jié)構(gòu)運輸過程中不易松動，且在使用中減少維護(hù)工作量。假如發(fā)生松動即可個別更換，不影響其四周螺栓的連接。法蘭螺栓施工勞動條件好，而且栓孔可在工廠一次成型，省了二次擴孔的工序。綜上所述，以上的信息則詳細(xì)的描述了，法蘭螺栓在應(yīng)用的時候，所具備的一些產(chǎn)品特點。螺栓的螺紋可與螺帽結(jié)合。常用螺絲廠家</p><p style="text-indent:25px">地腳螺栓的總長度可以通過以下公式來確定：L = 15d4ts。平頭內(nèi)六角螺絲生產(chǎn)廠</p><p style="text-indent:25px">螺栓形狀一般沉頭用在要求連后表面光滑沒突起的地方，因為沉頭可以擰到零件里。圓頭也可以擰進(jìn)零件里。方頭的擰緊力可以大些，但是尺寸很大。另外為了滿足安裝后鎖緊的需要，有頭部有孔的，桿部有孔的，這些孔可以使螺栓受振動時不至松脫。有的螺栓沒螺紋的光桿要做細(xì)，叫細(xì)腰螺栓。這種螺栓有利于受變力的聯(lián)結(jié)。鋼結(jié)構(gòu)上有**的**度螺栓，頭部會做大些，尺寸也有變化。另外有特殊用處的：T形槽螺栓用，機床夾具上用的較多，形狀特殊，頭部兩側(cè)要切掉。地腳螺栓，用于機器和地面連接固定的，有很多種形狀。U形螺栓，如前述。等等。還有焊接用的**螺柱，一頭有螺紋一頭沒，可以焊在零件上，另一邊直接擰螺母。平頭內(nèi)六角螺絲生產(chǎn)廠</p><p style="text-indent:25px">晉迅緊固件（上海）有限公司致力于五金、工具，以科技創(chuàng)新實現(xiàn)***管理的追求。晉迅緊固件作為緊固件、五金制品、鐵道扣件、鋼材、鑄造件、機械設(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、計算機應(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。的企業(yè)之一，為客戶提供良好的緊固件，熱鍍鋅，螺絲，螺母。晉迅緊固件始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。晉迅緊固件始終關(guān)注五金、工具市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2549428.html</p></div></div></div></div></div><div id="3nn8gtv" class="page-right twoColRt"><div id="6bdfhzw" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rkm3rol" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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