珠海耐磨精密拉伸五金件工廠銘豐慶五金制品供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="深錐形件由于深度較大，珠海耐磨精密拉伸五金件工廠，坯料的變形程度較大，*靠坯料與凸模接觸的局部面積傳遞成形力，極易引起坯料局部過度變薄乃至破裂，需要經(jīng)過多次過渡逐漸成形。階梯拉伸法是首先將坯料拉伸成階梯形過渡件，其階梯外形與錐形部的內(nèi)形相切"><meta name="keywords" content="珠海耐磨精密拉伸五金件工廠,精密拉伸五金件"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.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 id="qgqbi"></u><noframes id="qgqbi"></noframes><menu id="qgqbi"></menu><blockquote id="qgqbi"></blockquote><track id="qgqbi"><label id="qgqbi"></label></track><tbody id="qgqbi"></tbody><legend id="qgqbi"></legend><th id="qgqbi"><button id="qgqbi"></button></th><listing id="qgqbi"><rt id="qgqbi"></rt></listing><sup id="qgqbi"><dd id="qgqbi"><tbody id="qgqbi"></tbody></dd></sup><menu id="qgqbi"><xmp id="qgqbi"></xmp></menu><fieldset id="qgqbi"><acronym id="qgqbi"></acronym></fieldset><wbr id="qgqbi"><mark id="qgqbi"><strong id="qgqbi"></strong></mark></wbr><tbody id="qgqbi"><small id="qgqbi"></small></tbody><label id="qgqbi"><tfoot id="qgqbi"></tfoot></label><div id="qgqbi"><th id="qgqbi"><object id="qgqbi"></object></th></div><listing id="qgqbi"></listing><source id="qgqbi"><ins id="qgqbi"></ins></source><noframes id="qgqbi"></noframes><noscript id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"></tt></strike></noscript><strike id="qgqbi"><rp id="qgqbi"></rp></strike><dl id="qgqbi"></dl><th id="qgqbi"></th><acronym id="qgqbi"></acronym><center id="qgqbi"><input id="qgqbi"><div id="qgqbi"><th id="qgqbi"></th></div></input></center><label id="qgqbi"></label><tr id="qgqbi"><label id="qgqbi"><center id="qgqbi"></center></label></tr><menuitem id="qgqbi"><em id="qgqbi"><legend id="qgqbi"></legend></em></menuitem><pre id="qgqbi"></pre><fieldset id="qgqbi"><address id="qgqbi"><abbr id="qgqbi"><dl id="qgqbi"></dl></abbr></address></fieldset><sup id="qgqbi"><form id="qgqbi"></form></sup><form id="qgqbi"></form> <form id="qgqbi"></form><center id="qgqbi"><rp id="qgqbi"></rp></center><code id="qgqbi"></code><option id="qgqbi"><i id="qgqbi"><tr id="qgqbi"></tr></i></option><address id="qgqbi"></address><pre id="qgqbi"></pre><wbr id="qgqbi"></wbr><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"></bdo></delect></dl><table id="qgqbi"><p id="qgqbi"></p></table><label id="qgqbi"><xmp id="qgqbi"><noscript id="qgqbi"><dl id="qgqbi"></dl></noscript></xmp></label><cite id="qgqbi"></cite><acronym id="qgqbi"><object id="qgqbi"><big id="qgqbi"></big></object></acronym><rp id="qgqbi"></rp><tt id="qgqbi"></tt><output id="qgqbi"></output><table id="qgqbi"><p id="qgqbi"><ruby id="qgqbi"></ruby></p></table><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><u id="qgqbi"></u><bdo id="qgqbi"><tr id="qgqbi"><dfn id="qgqbi"></dfn></tr></bdo><strike id="qgqbi"><font id="qgqbi"></font></strike><s id="qgqbi"></s><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"><pre id="qgqbi"></pre></code></samp></acronym><cite id="qgqbi"></cite><form id="qgqbi"><dl id="qgqbi"><pre id="qgqbi"><label id="qgqbi"></label></pre></dl></form><center id="qgqbi"><rp id="qgqbi"></rp></center><font id="qgqbi"></font><menu id="qgqbi"></menu><small id="qgqbi"><strong id="qgqbi"><sup id="qgqbi"><form id="qgqbi"></form></sup></strong></small><label id="qgqbi"><tfoot id="qgqbi"><em id="qgqbi"></em></tfoot></label><optgroup id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></optgroup><label id="qgqbi"></label><meter id="qgqbi"><noframes id="qgqbi"><i id="qgqbi"><ins id="qgqbi"></ins></i></noframes></meter><kbd id="qgqbi"></kbd><b id="qgqbi"></b><dl id="qgqbi"><delect id="qgqbi"><th id="qgqbi"><span id="qgqbi"></span></th></delect></dl><font id="qgqbi"></font><small id="qgqbi"></small><mark id="qgqbi"></mark><del id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></del><dd id="qgqbi"><ruby id="qgqbi"><menu id="qgqbi"></menu></ruby></dd><th id="qgqbi"><em id="qgqbi"></em></th><abbr id="qgqbi"></abbr><span id="qgqbi"><kbd id="qgqbi"><dfn id="qgqbi"><sub id="qgqbi"></sub></dfn></kbd></span><ins id="qgqbi"></ins><s id="qgqbi"><progress id="qgqbi"></progress></s><th id="qgqbi"></th><bdo id="qgqbi"></bdo><blockquote id="qgqbi"></blockquote><b id="qgqbi"></b><nav id="qgqbi"><div id="qgqbi"></div></nav> <meter id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></meter><tfoot id="qgqbi"></tfoot><big id="qgqbi"><pre id="qgqbi"><s id="qgqbi"></s></pre></big><small id="qgqbi"></small><table id="qgqbi"><td id="qgqbi"><sup id="qgqbi"></sup></td></table><form id="qgqbi"><tr id="qgqbi"></tr></form><tr id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></tr><ul id="qgqbi"></ul><center id="qgqbi"><optgroup id="qgqbi"><div id="qgqbi"></div></optgroup></center><rp id="qgqbi"><input id="qgqbi"><blockquote id="qgqbi"><th id="qgqbi"></th></blockquote></input></rp><tbody id="qgqbi"></tbody><form id="qgqbi"><u id="qgqbi"><fieldset id="qgqbi"></fieldset></u></form><rp id="qgqbi"></rp><b id="qgqbi"><small id="qgqbi"></small></b><dd id="qgqbi"></dd><kbd id="qgqbi"></kbd><code id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"></ul></pre></code><strong id="qgqbi"></strong><cite id="qgqbi"><sub id="qgqbi"></sub></cite><object id="qgqbi"></object><dfn id="qgqbi"></dfn><pre id="qgqbi"></pre><xmp id="qgqbi"></xmp><pre id="qgqbi"></pre><sup id="qgqbi"><form id="qgqbi"><cite id="qgqbi"></cite></form></sup><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><input id="qgqbi"></input><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"></code></samp></acronym><nobr id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"><strong id="qgqbi"></strong></ul></pre></nobr><menuitem id="qgqbi"><em id="qgqbi"><wbr id="qgqbi"><mark id="qgqbi"></mark></wbr></em></menuitem><dl id="qgqbi"></dl><rp id="qgqbi"><input id="qgqbi"><div id="qgqbi"></div></input></rp><div id="qgqbi"><button id="qgqbi"><pre id="qgqbi"><meter id="qgqbi"></meter></pre></button></div><address id="qgqbi"></address><thead id="qgqbi"><abbr id="qgqbi"><sup id="qgqbi"></sup></abbr></thead><em id="qgqbi"></em><ul id="qgqbi"><listing id="qgqbi"><wbr id="qgqbi"></wbr></listing></ul><listing id="qgqbi"></listing><wbr id="qgqbi"></wbr><thead id="qgqbi"><abbr id="qgqbi"><strike id="qgqbi"></strike></abbr></thead><menuitem id="qgqbi"></menuitem><pre id="qgqbi"></pre><pre id="qgqbi"></pre><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"><span id="qgqbi"></span></bdo></delect></dl><ruby id="qgqbi"></ruby><pre id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"><i id="qgqbi"></i></tt></strike></pre><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset><cite id="qgqbi"><sub id="qgqbi"></sub></cite><optgroup id="qgqbi"></optgroup><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset></div><div id="yrr2o" class="pl_css_ganrao" style="display: none;"><blockquote id="yrr2o"></blockquote><dfn id="yrr2o"><button id="yrr2o"><tr id="yrr2o"><div id="yrr2o"></div></tr></button></dfn><noframes id="yrr2o"></noframes><tbody id="yrr2o"></tbody><table id="yrr2o"></table><strike id="yrr2o"></strike><optgroup id="yrr2o"></optgroup><strong id="yrr2o"><track id="yrr2o"></track></strong><style id="yrr2o"><mark id="yrr2o"><noframes id="yrr2o"><td id="yrr2o"></td></noframes></mark></style><object id="yrr2o"><meter id="yrr2o"></meter></object><var id="yrr2o"></var><span id="yrr2o"><form id="yrr2o"></form></span><thead id="yrr2o"><abbr id="yrr2o"><sup id="yrr2o"><font id="yrr2o"></font></sup></abbr></thead><tbody id="yrr2o"><dfn id="yrr2o"></dfn></tbody><blockquote id="yrr2o"><tbody id="yrr2o"><acronym id="yrr2o"><b id="yrr2o"></b></acronym></tbody></blockquote><small id="yrr2o"></small><ol id="yrr2o"></ol><dl id="yrr2o"></dl><input id="yrr2o"><dfn id="yrr2o"></dfn></input><acronym id="yrr2o"><b id="yrr2o"><legend id="yrr2o"><dfn id="yrr2o"></dfn></legend></b></acronym><strike id="yrr2o"><rp id="yrr2o"></rp></strike><center id="yrr2o"></center><table id="yrr2o"><td id="yrr2o"></td></table><strong id="yrr2o"></strong><label id="yrr2o"></label><acronym id="yrr2o"></acronym><th id="yrr2o"><em id="yrr2o"><style id="yrr2o"></style></em></th><acronym id="yrr2o"><b id="yrr2o"></b></acronym><track id="yrr2o"></track><em id="yrr2o"></em><em id="yrr2o"><style id="yrr2o"><mark id="yrr2o"><noframes id="yrr2o"></noframes></mark></style></em><optgroup id="yrr2o"><div id="yrr2o"><acronym id="yrr2o"></acronym></div></optgroup><center id="yrr2o"></center><sub id="yrr2o"><li id="yrr2o"><th id="yrr2o"><button id="yrr2o"></button></th></li></sub><output id="yrr2o"></output><pre id="yrr2o"></pre><ul id="yrr2o"></ul><big id="yrr2o"><track id="yrr2o"></track></big><pre id="yrr2o"><input id="yrr2o"></input></pre><rp id="yrr2o"><input id="yrr2o"><div id="yrr2o"><th id="yrr2o"></th></div></input></rp><font id="yrr2o"></font><dfn id="yrr2o"></dfn><object id="yrr2o"><meter id="yrr2o"><nobr id="yrr2o"></nobr></meter></object><tfoot id="yrr2o"></tfoot><dd id="yrr2o"><li id="yrr2o"><tfoot id="yrr2o"></tfoot></li></dd><legend id="yrr2o"><dfn id="yrr2o"></dfn></legend><optgroup id="yrr2o"></optgroup><nobr id="yrr2o"><pre id="yrr2o"><ul id="yrr2o"><listing id="yrr2o"></listing></ul></pre></nobr><em id="yrr2o"><small id="yrr2o"></small></em><abbr id="yrr2o"><strike id="yrr2o"><output id="yrr2o"></output></strike></abbr><acronym id="yrr2o"><b id="yrr2o"><code id="yrr2o"></code></b></acronym><meter id="yrr2o"><dfn id="yrr2o"><source id="yrr2o"></source></dfn></meter><form id="yrr2o"></form><strike id="yrr2o"><rp id="yrr2o"></rp></strike><tbody id="yrr2o"><tfoot id="yrr2o"><em id="yrr2o"></em></tfoot></tbody><sup id="yrr2o"></sup><form id="yrr2o"><legend id="yrr2o"><track id="yrr2o"></track></legend></form><i id="yrr2o"><menuitem id="yrr2o"><b id="yrr2o"></b></menuitem></i><sup id="yrr2o"><form id="yrr2o"><legend id="yrr2o"><rp id="yrr2o"></rp></legend></form></sup><span id="yrr2o"><dfn id="yrr2o"><cite id="yrr2o"><center id="yrr2o"></center></cite></dfn></span><address id="yrr2o"></address><dl id="yrr2o"><pre id="yrr2o"><label id="yrr2o"><progress id="yrr2o"></progress></label></pre></dl><button id="yrr2o"></button><tbody id="yrr2o"></tbody><strike id="yrr2o"></strike><abbr id="yrr2o"><strong id="yrr2o"></strong></abbr><ruby id="yrr2o"><tfoot id="yrr2o"><xmp id="yrr2o"></xmp></tfoot></ruby><font id="yrr2o"></font><li id="yrr2o"></li><var id="yrr2o"></var><tt id="yrr2o"></tt><abbr id="yrr2o"><strike id="yrr2o"><output id="yrr2o"><nav id="yrr2o"></nav></output></strike></abbr><acronym id="yrr2o"></acronym><th id="yrr2o"></th><em id="yrr2o"><style id="yrr2o"></style></em><dfn id="yrr2o"></dfn><strong id="yrr2o"></strong><mark id="yrr2o"></mark><tr id="yrr2o"><th id="yrr2o"></th></tr><dl id="yrr2o"></dl><menuitem id="yrr2o"><listing id="yrr2o"></listing></menuitem><tt id="yrr2o"><tbody id="yrr2o"><tr id="yrr2o"><abbr id="yrr2o"></abbr></tr></tbody></tt><optgroup id="yrr2o"></optgroup><pre id="yrr2o"><u id="yrr2o"></u></pre><noframes id="yrr2o"></noframes><center id="yrr2o"></center><var id="yrr2o"><address id="yrr2o"><abbr id="yrr2o"></abbr></address></var><ruby id="yrr2o"></ruby><optgroup id="yrr2o"></optgroup><center id="yrr2o"><abbr id="yrr2o"><strike id="yrr2o"></strike></abbr></center><u id="yrr2o"></u><tbody id="yrr2o"><small id="yrr2o"></small></tbody><optgroup id="yrr2o"><fieldset id="yrr2o"><acronym id="yrr2o"><strong id="yrr2o"></strong></acronym></fieldset></optgroup><fieldset id="yrr2o"></fieldset><bdo id="yrr2o"></bdo><track id="yrr2o"></track><ruby id="yrr2o"><ol id="yrr2o"><xmp id="yrr2o"><small id="yrr2o"></small></xmp></ol></ruby><cite id="yrr2o"><sub id="yrr2o"><optgroup id="yrr2o"></optgroup></sub></cite></div><header class="header container"><span id="dij2hzh" class="logo"><a href="http://www.cdcfah.com/"><img src="/static/new_net_01/images/logo.png" alt="找產(chǎn)品網(wǎng)"></a></span><span id="9ngssiu" class="tigs"> 發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務(wù)平臺 </span><div id="cgmjqm7" class="searchbox"><div id="aegnzgc" class="searchLt"><div id="y3fah3j" 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</a></div><div id="i9axo9l" class="clearfix searchWrap"><div id="eawnzdk" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(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="dbi323q" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</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="ptqsu48" class="twoCol"><div id="cqsuwab" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<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>?珠海耐磨精密拉伸五金件工廠銘豐慶五金制品供應(yīng)</p><div id="zyf8nij" class="leftbox clearfix"><h1>珠海耐磨精密拉伸五金件工廠銘豐慶五金制品供應(yīng)</h1><div id="xgszquw" class="proBig"><div id="tns3kgs" 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="22hjkri" 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="y83vmtf" 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>珠海耐磨精密拉伸五金件工廠,精密拉伸五金件</p><p><span>***更新：</span>2020-08-26 09:08:42</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="8pq2ipr" 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)居委會老村路24號</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="m3tkrdp" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="2tkwnjq" class="box"><p><p style="text-indent:25px">深錐形件由于深度較大，珠海耐磨精密拉伸五金件工廠，坯料的變形程度較大，*靠坯料與凸模接觸的局部面積傳遞成形力，極易引起坯料局部過度變薄乃至破裂，需要經(jīng)過多次過渡逐漸成形。階梯拉伸法是首先將坯料拉伸成階梯形過渡件，其階梯外形與錐形部的內(nèi)形相切，***脹形成錐形。階梯過渡件的拉伸次數(shù)、工藝等與階梯圓筒件的拉伸相同多次拉伸成形的高矩形件，其變形不*與深圓筒形件的拉伸不同，與低盒形件的變形也有很大差別。圖1-46為多工位自動搬送壓力機(jī)進(jìn)行高矩形盒件加工時(shí)，珠海耐磨精密拉伸五金件工廠，多次拉伸過程中制件外形，珠海耐磨精密拉伸五金件工廠、尺寸伴隨拉伸高度的變化。拉伸量要控制在百分之一的擺布。珠海耐磨精密拉伸五金件工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="珠海耐磨精密拉伸五金件工廠,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074021494141/8351680.png"></div><p style="text-indent:25px">深錐形件由于深度變形程度較大，極易引起坯料局部過度變薄乃至破裂，需要經(jīng)過多次過渡逐漸成形多次拉伸成形的高矩形件，其變形不*與深圓筒形件的拉伸不同，與低盒形件的變形也有很大差別曲面拉伸成形，使金屬平板坯料外法蘭部分縮小，內(nèi)法蘭部分伸長，成為非直壁非平底的曲面形狀的沖壓成形方法將初拉伸進(jìn)行再拉伸成形為臺階形底部。深度較深的部分在拉伸成形的初期就產(chǎn)生變形，深度較淺的部分在拉伸的后期產(chǎn)生變形與普通拉伸不同，變薄拉伸主要是在拉伸過程中改變拉伸件筒壁的厚度。珠海耐磨精密拉伸五金件工廠在相互對立的技能需求中尋找滿足各種具體需求的拉伸量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="珠海耐磨精密拉伸五金件工廠,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074217617188/3733191.png"></div><p> 對前工序拉伸產(chǎn)品的凸緣部進(jìn)行角形再拉伸加工，此種加工要求材料具有良好的塑性，拉伸計(jì)算系數(shù) </p> <p> <br /> </p> <p> 拉伸系數(shù)非常重要，一個(gè)拉伸件需要分幾步拉伸才能保證不出現(xiàn)開裂、起皺等問題都需要用拉伸系數(shù)公式進(jìn)行計(jì)算。是拉伸工藝核算中的首要工藝參數(shù)之一，一般用它來決議拉伸的次序和次數(shù)。 </p> <p> <br /> </p> <p> 但是，拉伸系數(shù)也不是固定不變的。影響拉伸系數(shù)m的因素比較多，其中包括：材料型號、厚度、拉伸結(jié)構(gòu)類型、拉伸次數(shù)、拉伸速度、拉伸鑲件圓弧過度大小等等。不過，一般都可以查表進(jìn)行大概計(jì)算。 </p> <p> <br /> </p><p style="text-indent:25px">金屬拉伸工藝應(yīng)結(jié)合工廠的設(shè)備、人員等實(shí)際情況，從零件的質(zhì)量、生產(chǎn)效率、生產(chǎn)成本、勞動強(qiáng)度、環(huán)境的保護(hù)以及生產(chǎn)的安全性各個(gè)方面綜合考慮，選擇和設(shè)計(jì)出技術(shù)先進(jìn)、經(jīng)濟(jì)上合理、使用安全可靠的工藝方案，使生產(chǎn)在保證達(dá)到設(shè)計(jì)圖樣上所提出的各項(xiàng)技術(shù)要求的基礎(chǔ)上，盡可能降低工藝成本和保證安全生產(chǎn)圓筒拉伸：法蘭與底部均為直面，圓筒為軸對稱，在同一圓周上變形均勻，法蘭上毛坯產(chǎn)生拉深變形,法蘭上毛坯拉伸變形，但變形量與變形比沿輪廓形狀相應(yīng)變化。曲率越大的部分毛坯的變形量就越大;曲率越小的部分毛坯的變形越小。沖壓拉伸加工中為什么要用塑性好的金屬材料？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="珠海耐磨精密拉伸五金件工廠,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074303623047/5027911.png"></div><p style="text-indent:25px">曲面拉伸成形，使金屬平板坯料外法蘭部分縮小，內(nèi)法蘭部分伸長，成為非直壁非平底的曲面形狀的空心產(chǎn)品的沖壓成形方法將左側(cè)初拉伸產(chǎn)品進(jìn)行再拉伸加工，成形為右側(cè)的臺階形底部。深度較深的部分在拉伸成形的初期就產(chǎn)生變形，深度較淺的部分在拉伸的后期產(chǎn)生變形。在臺階變化部分的側(cè)壁易誘發(fā)切應(yīng)力產(chǎn)生變形，將前工序拉伸加工的工件，進(jìn)行反向拉伸，是再拉伸的一種。反向拉伸法可增加徑向拉應(yīng)力，對于防止起皺可收到較好效果。也有可能提高再拉伸的拉伸系數(shù)。拉伸件應(yīng)用于機(jī)械、電子、電器、儀表、汽車、航空、**產(chǎn)品。坪山精密拉伸五金件加工廠</p><p style="text-indent:25px">但是在加工中注意某些問題點(diǎn)就可以很順利的完成加工了。珠海耐磨精密拉伸五金件工廠</p><p> ①控制機(jī)械的運(yùn)動，如內(nèi)燃機(jī)中的閥門彈簧片、離合器中的控制彈片等。 </p> <p> <br /> </p> <p> ②吸收振動和沖擊能量，如汽車、火車車廂下的緩沖彈片、聯(lián)軸器中的吸振彈片等。 </p> <p> <br /> </p> <p> ③ 貯存及輸出能量作為動力，如鐘表彈片、***中的彈片等。 </p> <p> <br /> </p> <p> ④用作測力元件，如測力器、彈片秤中的彈片等。彈片的載荷與變形之比稱為彈片剛度，剛度越大，則彈片越硬。按受力性質(zhì)，彈片可分為拉伸彈片、壓縮彈片、扭轉(zhuǎn)彈片和彎曲彈片，按形狀可分為碟形彈片、環(huán)形彈片、板彈片、螺旋彈片、截錐渦卷彈片以及扭桿彈片等。 </p> <p> <br /> 珠海耐磨精密拉伸五金件工廠</p><p style="text-indent:25px">深圳市銘豐慶五金制品有限公司位于廣東省深圳市，注冊資本500-700萬元，旗下?lián)碛?1~100人優(yōu)異專業(yè)的員工。致力于創(chuàng)造***的產(chǎn)品與服務(wù)，以誠信、敬業(yè)、進(jìn)取為宗旨，以建MFQ產(chǎn)品為目標(biāo)，努力打造成為同行業(yè)中具有影響力的企業(yè)。公司以用心服務(wù)為重點(diǎn)價(jià)值,希望通過我們的專業(yè)水平和不懈努力,將一般經(jīng)營項(xiàng)目是：五金制品、彈簧、眼鏡配件、塑膠制品、電子產(chǎn)品的生產(chǎn)和購銷（不含限制項(xiàng)目）（取得消防部門驗(yàn)收合格后方可開業(yè)）。汽車、電器、電子、眼鏡、智能穿戴、智能通信、五金商標(biāo)禮品等行業(yè)的配件的生產(chǎn)。等業(yè)務(wù)進(jìn)行到底。自公司成立以來，一直秉承“以質(zhì)量求生存，以信譽(yù)求發(fā)展”的經(jīng)營理念，始終堅(jiān)持以客戶的需求和滿意為重點(diǎn)，為客戶提供質(zhì)量的五金沖壓，精密彈簧，精密五金模具，眼鏡配件，從而使公司不斷發(fā)展壯大。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1045375.html</p></div></div></div></div></div><div id="sbyv8m2" class="page-right twoColRt"><div id="nrnenjq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pif782h" 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="xm328ir" 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" alt="寧波寧海直接考A2有幾個(gè)科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>寧波寧海直接考A2有幾個(gè)科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)</p></a></div><div id="eofcjar" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/2083415.html"><div><img src="https://tyunfile.71360.com/UploadFile/WZAJZNKJ/637332852248037109/2461316.png" alt="200l桶自動灌裝機(jī)生產(chǎn)廠歡迎來電溫州奧基智能科技供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>200l桶自動灌裝機(jī)生產(chǎn)廠歡迎來電溫州奧基智能科技供應(yīng)</p></a></div><div id="7h74q82" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/1387.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/3/11/637004297269091023_cyjqc_1306937.jpg" alt="烏魯木齊市會務(wù)租車網(wǎng) 車永捷供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊市會務(wù)租車網(wǎng) 車永捷供應(yīng)</p></a></div><div id="cactvr2" class="clear"></div></div><div id="3uievct" class="box01 box03"><h3><a href="http://www.cdcfah.com/xw/">***產(chǎn)品資訊</a></h3><ul></ul></div></div></section><div id="a7pwdkb" class="page-proshow02"><p class="title">本企業(yè)其它產(chǎn)品 <span style="float:right;"><a >更多>></a></span></p><div id="apr3y79" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/289822.html"><div id="kdkl8a2" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637278330573730468/9538663.png" alt="寶安沖壓精密導(dǎo)電片加工廠銘豐慶五金制品供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>寶安沖壓精密導(dǎo)電片加工廠銘豐慶五金制品供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/289823.html"><div id="uyfrypr" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637278328137968750/5818112.png" alt="廣州沖壓精密導(dǎo)電片價(jià)格多少銘豐慶五金制品供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>廣州沖壓精密導(dǎo)電片價(jià)格多少銘豐慶五金制品供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/289824.html"><div id="rv8yp3r" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637278327769951171/4727739.png" alt="惠山耐磨防腐精密導(dǎo)電片廠家銘豐慶五金制品供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>惠山耐磨防腐精密導(dǎo)電片廠家銘豐慶五金制品供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/289825.html"><div id="vu8wco8" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637278327835498046/4579649.png" alt="東莞精密導(dǎo)電片哪里買銘豐慶五金制品供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>東莞精密導(dǎo)電片哪里買銘豐慶五金制品供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/291381.html"><div id="8lctkbn" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637278327738554687/7412828.png" alt="精密導(dǎo)電片哪里好銘豐慶五金制品供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>精密導(dǎo)電片哪里好銘豐慶五金制品供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/291382.html"><div id="ic3sub3" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637278327691337890/3638402.png" alt="龍崗鍍金精密導(dǎo)電片的用途和特點(diǎn) 銘豐慶五金制品供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>龍崗鍍金精密導(dǎo)電片的用途和特點(diǎn) 銘豐慶五金制品供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/292455.html"><div id="exov8kb" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637278327738554687/7412828.png" alt="鍍金精密導(dǎo)電片導(dǎo)電性強(qiáng) 銘豐慶五金制品供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>鍍金精密導(dǎo)電片導(dǎo)電性強(qiáng) 銘豐慶五金制品供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/292969.html"><div id="ke287mi" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637278327872988281/4158247.png" alt="光明五金精密導(dǎo)電片工廠銘豐慶五金制品供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>光明五金精密導(dǎo)電片工廠銘豐慶五金制品供應(yīng)</p></a></li></ul></div></div><div id="ds8n2jd" class="page-proshow02"><p class="title">同類產(chǎn)品推薦 <span><a href="http://www.cdcfah.com/cp/first-_wjgj/">更多>></a></span></p><div id="xr4azu2" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/2613693.html"><div id="gp9dpgn" class="reImg"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/jts789/637143659084150390/7809887.jpg" alt="湖北電動旗桿展會貼心服務(wù) 金銅盛金屬制品供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>湖北電動旗桿展會貼心服務(wù) 金銅盛金屬制品供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1034197.html"><div id="gapgxta" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074093007813/4737142.png" alt="東莞沖壓精密拉伸五金件加工廠銘豐慶五金制品供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>東莞沖壓精密拉伸五金件加工廠銘豐慶五金制品供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/2643566.html"><div id="b8vc8w7" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jts789/637330201899228515/4541714.png" alt="河南公司旗桿批發(fā)公司誠信服務(wù) 金銅盛金屬制品供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>河南公司旗桿批發(fā)公司誠信服務(wù) 金銅盛金屬制品供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1034196.html"><div id="gfpb774" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074188476563/7643580.png" alt="汕頭耐磨精密拉伸五金件模具銘豐慶五金制品供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>汕頭耐磨精密拉伸五金件模具銘豐慶五金制品供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/67353.html"><div id="o8iulse" class="reImg"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/szdcgjs/637145995167158203/1220944.jpg" alt="吉林鈀鹽回收聯(lián)系方式歡迎來電蘇州德誠貴金屬回收利用供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>吉林鈀鹽回收聯(lián)系方式歡迎來電蘇州德誠貴金屬回收利用供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1565982.html"><div id="zjdu7lx" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074021494141/8351680.png" alt="珠海耐磨精密拉伸五金件加工銘豐慶五金制品供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>珠海耐磨精密拉伸五金件加工銘豐慶五金制品供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/3607.html"><div id="lfm333m" class="reImg"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/szdcgjs/637145994669404297/1161357.jpg" alt="天津鈀水回收貼心服務(wù) 蘇州德誠貴金屬回收利用供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>天津鈀水回收貼心服務(wù) 蘇州德誠貴金屬回收利用供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/6935.html"><div id="q2a7ls3" class="reImg"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/szdcgjs/637145995167158203/1220944.jpg" alt="遼寧鈀碳回收鑄造輝煌蘇州德誠貴金屬回收利用供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>遼寧鈀碳回收鑄造輝煌蘇州德誠貴金屬回收利用供應(yīng)</p></a></li></ul></div></div></section></section><footer class="footer"><div id="drta23b" class="container"><p><a href="http://www.cdcfah.com/">首頁</a> | <a >企業(yè)名錄</a> | <a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a> | <a href="http://www.cdcfah.com/zx/">新聞資訊</a> | <a href="http://www.cdcfah.com/xw/">行業(yè)資訊</a> | <a href="http://www.cdcfah.com/zh/">展會信息</a> | <a href="http://www.cdcfah.com/sitemap.html">網(wǎng)站地圖</a> | </p><p><p><p>b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰??<a target="_blank">?<span style="white-space:normal;text-indent:24px;"><a target="_blank"><span style="font-family:" font-size:13.3333px;text-align:center;white-space:pre-wrap;caret-color:#1e6fff;background-color:#ffffff;"="">滬ICP備18002634號-32</span></a> </span><br /></a>??<span>??</span></p></p><p style="text-align:center;white-space:normal;"> <br /> </p> <p style="white-space:normal;text-align:center;"> <a target="_blank"></a> </p></p></div></footer> <footer> <a href="http://www.cdcfah.com/" title="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">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> <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 id="qgqbi"></u><noframes id="qgqbi"></noframes><menu id="qgqbi"></menu><blockquote id="qgqbi"></blockquote><track id="qgqbi"><label id="qgqbi"></label></track><tbody id="qgqbi"></tbody><legend id="qgqbi"></legend><th id="qgqbi"><button id="qgqbi"></button></th><listing id="qgqbi"><rt id="qgqbi"></rt></listing><sup id="qgqbi"><dd id="qgqbi"><tbody id="qgqbi"></tbody></dd></sup><menu id="qgqbi"><xmp id="qgqbi"></xmp></menu><fieldset id="qgqbi"><acronym id="qgqbi"></acronym></fieldset><wbr id="qgqbi"><mark id="qgqbi"><strong id="qgqbi"></strong></mark></wbr><tbody id="qgqbi"><small id="qgqbi"></small></tbody><label id="qgqbi"><tfoot id="qgqbi"></tfoot></label><div id="qgqbi"><th id="qgqbi"><object id="qgqbi"></object></th></div><listing id="qgqbi"></listing><source id="qgqbi"><ins id="qgqbi"></ins></source><noframes id="qgqbi"></noframes><noscript id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"></tt></strike></noscript><strike id="qgqbi"><rp id="qgqbi"></rp></strike><dl id="qgqbi"></dl><th id="qgqbi"></th><acronym id="qgqbi"></acronym><center id="qgqbi"><input id="qgqbi"><div id="qgqbi"><th id="qgqbi"></th></div></input></center><label id="qgqbi"></label><tr id="qgqbi"><label id="qgqbi"><center id="qgqbi"></center></label></tr><menuitem id="qgqbi"><em id="qgqbi"><legend id="qgqbi"></legend></em></menuitem><pre id="qgqbi"></pre><fieldset id="qgqbi"><address id="qgqbi"><abbr id="qgqbi"><dl id="qgqbi"></dl></abbr></address></fieldset><sup id="qgqbi"><form id="qgqbi"></form></sup><form id="qgqbi"></form> <form id="qgqbi"></form><center id="qgqbi"><rp id="qgqbi"></rp></center><code id="qgqbi"></code><option id="qgqbi"><i id="qgqbi"><tr id="qgqbi"></tr></i></option><address id="qgqbi"></address><pre id="qgqbi"></pre><wbr id="qgqbi"></wbr><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"></bdo></delect></dl><table id="qgqbi"><p id="qgqbi"></p></table><label id="qgqbi"><xmp id="qgqbi"><noscript id="qgqbi"><dl id="qgqbi"></dl></noscript></xmp></label><cite id="qgqbi"></cite><acronym id="qgqbi"><object id="qgqbi"><big id="qgqbi"></big></object></acronym><rp id="qgqbi"></rp><tt id="qgqbi"></tt><output id="qgqbi"></output><table id="qgqbi"><p id="qgqbi"><ruby id="qgqbi"></ruby></p></table><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><u id="qgqbi"></u><bdo id="qgqbi"><tr id="qgqbi"><dfn id="qgqbi"></dfn></tr></bdo><strike id="qgqbi"><font id="qgqbi"></font></strike><s id="qgqbi"></s><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"><pre id="qgqbi"></pre></code></samp></acronym><cite id="qgqbi"></cite><form id="qgqbi"><dl id="qgqbi"><pre id="qgqbi"><label id="qgqbi"></label></pre></dl></form><center id="qgqbi"><rp id="qgqbi"></rp></center><font id="qgqbi"></font><menu id="qgqbi"></menu><small id="qgqbi"><strong id="qgqbi"><sup id="qgqbi"><form id="qgqbi"></form></sup></strong></small><label id="qgqbi"><tfoot id="qgqbi"><em id="qgqbi"></em></tfoot></label><optgroup id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></optgroup><label id="qgqbi"></label><meter id="qgqbi"><noframes id="qgqbi"><i id="qgqbi"><ins id="qgqbi"></ins></i></noframes></meter><kbd id="qgqbi"></kbd><b id="qgqbi"></b><dl id="qgqbi"><delect id="qgqbi"><th id="qgqbi"><span id="qgqbi"></span></th></delect></dl><font id="qgqbi"></font><small id="qgqbi"></small><mark id="qgqbi"></mark><del id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></del><dd id="qgqbi"><ruby id="qgqbi"><menu id="qgqbi"></menu></ruby></dd><th id="qgqbi"><em id="qgqbi"></em></th><abbr id="qgqbi"></abbr><span id="qgqbi"><kbd id="qgqbi"><dfn id="qgqbi"><sub id="qgqbi"></sub></dfn></kbd></span><ins id="qgqbi"></ins><s id="qgqbi"><progress id="qgqbi"></progress></s><th id="qgqbi"></th><bdo id="qgqbi"></bdo><blockquote id="qgqbi"></blockquote><b id="qgqbi"></b><nav id="qgqbi"><div id="qgqbi"></div></nav> <meter id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></meter><tfoot id="qgqbi"></tfoot><big id="qgqbi"><pre id="qgqbi"><s id="qgqbi"></s></pre></big><small id="qgqbi"></small><table id="qgqbi"><td id="qgqbi"><sup id="qgqbi"></sup></td></table><form id="qgqbi"><tr id="qgqbi"></tr></form><tr id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></tr><ul id="qgqbi"></ul><center id="qgqbi"><optgroup id="qgqbi"><div id="qgqbi"></div></optgroup></center><rp id="qgqbi"><input id="qgqbi"><blockquote id="qgqbi"><th id="qgqbi"></th></blockquote></input></rp><tbody id="qgqbi"></tbody><form id="qgqbi"><u id="qgqbi"><fieldset id="qgqbi"></fieldset></u></form><rp id="qgqbi"></rp><b id="qgqbi"><small id="qgqbi"></small></b><dd id="qgqbi"></dd><kbd id="qgqbi"></kbd><code id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"></ul></pre></code><strong id="qgqbi"></strong><cite id="qgqbi"><sub id="qgqbi"></sub></cite><object id="qgqbi"></object><dfn id="qgqbi"></dfn><pre id="qgqbi"></pre><xmp id="qgqbi"></xmp><pre id="qgqbi"></pre><sup id="qgqbi"><form id="qgqbi"><cite id="qgqbi"></cite></form></sup><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><input id="qgqbi"></input><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"></code></samp></acronym><nobr id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"><strong id="qgqbi"></strong></ul></pre></nobr><menuitem id="qgqbi"><em id="qgqbi"><wbr id="qgqbi"><mark id="qgqbi"></mark></wbr></em></menuitem><dl id="qgqbi"></dl><rp id="qgqbi"><input id="qgqbi"><div id="qgqbi"></div></input></rp><div id="qgqbi"><button id="qgqbi"><pre id="qgqbi"><meter id="qgqbi"></meter></pre></button></div><address id="qgqbi"></address><thead id="qgqbi"><abbr id="qgqbi"><sup id="qgqbi"></sup></abbr></thead><em id="qgqbi"></em><ul id="qgqbi"><listing id="qgqbi"><wbr id="qgqbi"></wbr></listing></ul><listing id="qgqbi"></listing><wbr id="qgqbi"></wbr><thead id="qgqbi"><abbr id="qgqbi"><strike id="qgqbi"></strike></abbr></thead><menuitem id="qgqbi"></menuitem><pre id="qgqbi"></pre><pre id="qgqbi"></pre><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"><span id="qgqbi"></span></bdo></delect></dl><ruby id="qgqbi"></ruby><pre id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"><i id="qgqbi"></i></tt></strike></pre><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset><cite id="qgqbi"><sub id="qgqbi"></sub></cite><optgroup id="qgqbi"></optgroup><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset></div> <div class="friend-links"> <a href="http://www.bjcldhs.com">亚洲另类在线欧美制服</a> <a href="http://www.ahlxmyzz.com">色七七在线综合视频</a> <a href="http://www.junzishuo.com">亚洲中文字幕久久精品91</a> <a href="http://www.yhzblp.com">国产精品自在在线免费</a> <a href="http://www.zwlkg.com">久久国产乱子伦精品免费午夜</a> </div> </footer> <script> (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })(); </script> </body><div id="njt3i" class="pl_css_ganrao" style="display: none;"><small id="njt3i"><tbody id="njt3i"><noframes id="njt3i"><p id="njt3i"></p></noframes></tbody></small><kbd id="njt3i"><strong id="njt3i"><sub id="njt3i"><li id="njt3i"></li></sub></strong></kbd><td id="njt3i"></td><sup id="njt3i"><font id="njt3i"></font></sup><strong id="njt3i"><sup id="njt3i"><form id="njt3i"><dl id="njt3i"></dl></form></sup></strong><xmp id="njt3i"><small id="njt3i"><dl id="njt3i"><small id="njt3i"></small></dl></small></xmp><bdo id="njt3i"></bdo><pre id="njt3i"></pre><strong id="njt3i"></strong><em id="njt3i"><style id="njt3i"><tbody id="njt3i"></tbody></style></em><style id="njt3i"></style><sub id="njt3i"></sub><address id="njt3i"></address><tt id="njt3i"></tt><form id="njt3i"></form><video id="njt3i"></video><dfn id="njt3i"><sub id="njt3i"></sub></dfn><pre id="njt3i"><strike id="njt3i"><option id="njt3i"><i id="njt3i"></i></option></strike></pre><dfn id="njt3i"><td id="njt3i"><ins id="njt3i"><th id="njt3i"></th></ins></td></dfn><strike id="njt3i"><center id="njt3i"><nav id="njt3i"></nav></center></strike><pre id="njt3i"></pre><tt id="njt3i"></tt><sup id="njt3i"></sup><small id="njt3i"><dfn id="njt3i"></dfn></small><rt id="njt3i"></rt><optgroup id="njt3i"></optgroup><tfoot id="njt3i"></tfoot><nobr id="njt3i"></nobr><dl id="njt3i"><small id="njt3i"><bdo id="njt3i"></bdo></small></dl><p id="njt3i"></p><abbr id="njt3i"><strike id="njt3i"></strike></abbr><video id="njt3i"></video><legend id="njt3i"></legend><s id="njt3i"></s><strike id="njt3i"><rp id="njt3i"></rp></strike><i id="njt3i"><ins id="njt3i"><var id="njt3i"></var></ins></i><table id="njt3i"><p id="njt3i"><ruby id="njt3i"></ruby></p></table><progress id="njt3i"></progress><abbr id="njt3i"><center id="njt3i"><output id="njt3i"></output></center></abbr><p id="njt3i"></p><pre id="njt3i"><dfn id="njt3i"></dfn></pre><strong id="njt3i"></strong><dl id="njt3i"></dl><menuitem id="njt3i"><listing id="njt3i"><sup id="njt3i"></sup></listing></menuitem><b id="njt3i"></b><tbody id="njt3i"><small id="njt3i"><td id="njt3i"></td></small></tbody><i id="njt3i"><tr id="njt3i"><dfn id="njt3i"><strike id="njt3i"></strike></dfn></tr></i><u id="njt3i"></u><tbody id="njt3i"><small id="njt3i"><p id="njt3i"><pre id="njt3i"></pre></p></small></tbody><span id="njt3i"><form id="njt3i"><legend id="njt3i"></legend></form></span></div></html>