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/>企業(yè)電商信息綜合服務(wù)平臺(tái) </span><div id="fpnpfb5" class="searchbox"><div id="nz33j7z" class="searchLt"><div id="175zxvb" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會(huì)</a></div><div id="bhndbpl" class="clearfix searchWrap"><div id="xdtjpdt" class="searchInput"><input type="text" name="keywords" placeholder="請(qǐng)輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="pljz3pd" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁(yè)</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a 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="hdjh5dr" class="twoCol"><div id="3tfd3hf" 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/second-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/third-wjgj_qtwjgj/">其他五金工具</a>?福田質(zhì)量精密拉伸五金件銘豐慶五金制品供應(yīng)</p><div id="lbpnlrh" class="leftbox clearfix"><h1>福田質(zhì)量精密拉伸五金件銘豐慶五金制品供應(yīng)</h1><div id="zxfdb57" class="proBig"><div id="5rpvjfz" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074021494141/8351680.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="55fxfd3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074021494141/8351680.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="thpnlrx" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>福田質(zhì)量精密拉伸五金件</p><p><span>***更新：</span>2020-06-26 12:24:48</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="fv5lrxv" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市銘豐慶五金制品有限公司</a></p><p><span>聯(lián)系人：</span>劉自成</p><p><span>郵箱: </span>657179543@qq.com</p><p><span>電話: </span>13602685781</p><p><span>傳真: </span>0755_84693444</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0755-84006255</p><p><span>地址: </span>深圳市龍崗區(qū)平湖街道辦新木社區(qū)居委會(huì)老村路24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="zpfvlhd" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="pfdbzfd" class="box"><p><p> 鋁合金拉伸件是利用模具，將沖裁后得到的一定形狀平板毛坯沖壓成各種開(kāi)口空心零件或?qū)㈤_(kāi)口空心毛坯減小直徑，增大高度的一種機(jī)械加工工藝。這種工藝經(jīng)常應(yīng)用于汽車、飛機(jī)、拖拉機(jī)、電器、儀表、電子、航空、航天、汽車、機(jī)械制造、船舶配件的制作。 </p> <p> <br /> </p> <p> 鋁合金拉伸件具有優(yōu)良的導(dǎo)電性、導(dǎo)熱性和抗蝕性?？刹捎脽崽幚韥?lái)獲取良好的機(jī)械性能、物理性能和抗腐蝕性能。 </p> <p> <br /> </p> <p> 合適用于拉伸加工鋁合金因?yàn)?000系列**有5052、5005，福田質(zhì)量精密拉伸五金件、5083、5A05。這系列的鋁合金的特點(diǎn)為密度低，抗拉強(qiáng)度高，福田質(zhì)量精密拉伸五金件，延伸率高，福田質(zhì)量精密拉伸五金件，疲勞強(qiáng)度好，但不可做熱處理強(qiáng)化。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福田質(zhì)量精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074021494141/8351680.png"></div><p> 沖壓拉伸加工中為什么要用塑性好的金屬材料？這取決于塑性材料的拉伸變形量。例如同等的拉伸高度，如果選擇塑性比較差的金屬材料，就需要用更多的拉伸步距或中途退火。 </p> <p> <br /> </p> <p> 選擇拉伸材料中，要注意屈服點(diǎn)、抗拉強(qiáng)度的比值越小，拉深性能越好，一次變形的極限程度越大越有利于降低成本以及保證拉伸的質(zhì)量。不銹鋼拉伸是拉伸工藝中經(jīng)常見(jiàn)到的，很多拉伸件經(jīng)常用到不銹鋼。但由于不銹鋼的延展率比較小，彈性模量也比較大，硬化**比較高。拉伸時(shí)會(huì)出現(xiàn)開(kāi)裂有時(shí)會(huì)出現(xiàn)拉伸變形后；有時(shí)會(huì)在拉伸件由凹模內(nèi)退出的時(shí)候發(fā)生；有時(shí)在拉伸變形后受到撞擊或者振動(dòng)時(shí)才出現(xiàn)；有時(shí)在拉伸變形后經(jīng)過(guò)一段時(shí)間的存放或者使用中出現(xiàn)開(kāi)裂。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福田質(zhì)量精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074424853516/1892555.png"></div><p style="text-indent:25px">山形拉伸加工（Hill drawing）：沖壓件的側(cè)壁為斜面時(shí)，側(cè)壁在沖壓過(guò)程中是懸空的，不貼模，直到成形結(jié)束時(shí)才貼模。成形時(shí)側(cè)壁的不同部位變形特點(diǎn)不完全相同。丘形拉伸加工（Hill drawing）：丘形蓋板件在成形過(guò)程中的坯件變形不是簡(jiǎn)單的拉伸變形，而是拉伸和脹形變形同時(shí)存在的復(fù)合成形。壓料面上坯件的變形為拉伸變形（徑向?yàn)槔瓚?yīng)力，切向?yàn)閴簯?yīng)力），而輪廓內(nèi)部（特別是中心區(qū)域）坯件的變形為脹形變形（徑向和切向均為拉應(yīng)力）。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/398941.html</p></div></div></div></div></div><div id="fnvbn3v" class="page-right twoColRt"><div id="nvvltrx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xfvbzxt" 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" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="l5rpfvr" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" 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