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class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="l3gdfc2" class="twoCol"><div id="8wtvmtv" 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>?南山本地精密拉伸五金件哪里好銘豐慶五金制品供應(yīng)</p><div id="wgiprda" class="leftbox clearfix"><h1>南山本地精密拉伸五金件哪里好銘豐慶五金制品供應(yīng)</h1><div id="isumt7y" class="proBig"><div id="rb3ml8g" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074145996094/6078502.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lau8s3j" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074145996094/6078502.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vfceg3m" 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>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>南山本地精密拉伸五金件哪里好,精密拉伸五金件</p><p><span>***更新：</span>2020-09-27 03:18:33</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="wa37u4a" 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="gq29gfb" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="2vnpb8c" class="box"><p><p> 產(chǎn)品的質(zhì)量和性能與其生產(chǎn)過程密不可分。為了保證產(chǎn)品質(zhì)量，有必要控制生產(chǎn)過程。以沖壓拉伸模為例。在生產(chǎn)中，其生產(chǎn)過程一般具有以下特點： </p> <p> <br /> </p> <p> 1.沖壓拉伸件模具可用于加工尺寸范圍大、形狀復(fù)雜的零件，如鐘表等小秒表、汽車縱梁、覆蓋件等。由于沖壓過程中材料的冷變形和硬化效應(yīng)，沖壓的強度和剛度較高。 </p> <p> <br /> </p> <p> 2.沖壓時，模具保證了沖壓件尺寸和形狀的準(zhǔn)確性，一般不會損壞沖壓件的表面質(zhì)量，模具使用壽命長。因此，沖壓質(zhì)量穩(wěn)定，互換性好，具有“一模一樣”的特點。 </p> <p> <br /> </p> <p> 3.沖壓一般不產(chǎn)生切屑，材料消耗少，不需要其他加熱設(shè)備，是一種節(jié)省材料和能源的加工方法，沖壓件成本較低。 </p> <p> <br /> </p> <p> 4.本發(fā)明生產(chǎn)效率高，南山本地精密拉伸五金件哪里好，南山本地精密拉伸五金件哪里好，操作方便，易于實現(xiàn)機(jī)械化和自動化。這是因為沖壓是通過沖壓模具和沖壓設(shè)備來完成的。普通壓力機(jī)的沖程數(shù)可達(dá)到每分鐘幾十次，南山本地精密拉伸五金件哪里好，高速壓力可達(dá)到每分鐘幾百次甚至幾千次，每個沖壓沖程可獲得一個沖頭。 </p> <p> <br /> 多次拉伸可以提高產(chǎn)品的合格率，不容易產(chǎn)生廢品，多次拉伸的中間去應(yīng)力，退火軟化。南山本地精密拉伸五金件哪里好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南山本地精密拉伸五金件哪里好,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074145996094/6078502.png"></div><p> 拉深件的工序數(shù)量與材料性質(zhì)、拉深高度、拉深階梯數(shù)以及拉深直徑、材料厚度等條件有關(guān)，需經(jīng)拉深工藝計算才能確定。當(dāng)拉深件圓角半徑較小或尺寸精度要求較高時，則需在拉深后增加一道整形工序，精密小五金拉伸件工藝大致可分為分離工序和成形工序。 </p> <p> <br /> </p> <p> 分離工序是在沖壓過程中使其與坯料沿一定的輪廓線相互分離，同時五金沖壓件分離斷面的質(zhì)量也要滿足一定的要求。 </p> <p> <br /> </p> <p> 成形工序是使沖壓坯料在不破壞的條件下發(fā)生變形，并轉(zhuǎn)化成所要求的五金沖壓件形狀，同時也應(yīng)滿足尺寸公差等方面的要求。 </p> <p> <br /> </p> <p> <br /> 東莞耐磨精密拉伸五金件價格多少誘發(fā)馬氏體相含量增高，引發(fā)殘余的應(yīng)力越大，在沖壓過程中便容易開裂。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南山本地精密拉伸五金件哪里好,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074053916016/1058647.png"></div><p style="text-indent:25px">將前工序拉伸的工件，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)面板的表面形狀復(fù)雜。在拉伸工序中毛坯變形復(fù)雜，其成形性質(zhì)已非簡單的拉伸成形，而是拉深與脹形同時存在的復(fù)合成形根據(jù)工件圖紙，分析工件的形狀特點、尺寸大小、精度要求、原材料尺寸規(guī)格和力學(xué)性能，并結(jié)合可供選用的設(shè)備規(guī)格以及生產(chǎn)批量等因素。良好的拉伸工藝性應(yīng)保證材料消耗少、工序數(shù)目少、占用設(shè)備數(shù)量少、模具結(jié)構(gòu)簡單而壽命高、質(zhì)量穩(wěn)定、操作簡單。</p><p> 開毛坯料 </p> <p> <br /> </p> <p> 一般規(guī)則且形狀簡單的回轉(zhuǎn)體拉伸產(chǎn)品，大部分都屬于非變薄拉伸，可以直接根據(jù)其拉伸前、后面積不變原則進(jìn)行確定。如果是形狀非常復(fù)雜的拉伸件，有時可能材料會出現(xiàn)嚴(yán)重的流動而變薄，一般無法精確計算其開料尺寸，都是事先用3D展開預(yù)估，也就是所謂的試料"多則皺，少則裂”，按此方法判斷材料的流動情況。辦法有：調(diào)整壓邊圈的壓力、增加拉深筋、改變上下模鑲件的圓弧過度半徑、工件上切工藝口等。 </p> <p> <br /> </p> <p> 拉伸件總之是比較有技術(shù)含量的模具類型，不管是對設(shè)計、加工、組裝、還是調(diào)試都是一個挑戰(zhàn)，需要十分謹(jǐn)慎。 </p> <p> <br /> 便于散熱均勻，從而減少橫向亮斑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南山本地精密拉伸五金件哪里好,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074217617188/3733191.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，其變形不僅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。堆疊以及纏繞等，相互之間要留有一定的空隙。金屬精密拉伸五金件的用途和特點</p><p style="text-indent:25px">水泥砂漿內(nèi)襯加特殊涂層，可以提高沖壓拉伸件內(nèi)襯的抗腐蝕能力。南山本地精密拉伸五金件哪里好</p><p style="text-indent:25px">矩形拉伸加工一次拉伸成形的低矩形件。拉伸時，凸緣變形區(qū)圓角處的拉伸阻力大于直邊處的拉伸阻力，圓角處的變形程度大于直邊處的變形程度沖壓件的側(cè)壁為斜面時，側(cè)壁在沖壓過程中是懸空的，不貼模，直到成形結(jié)束時才貼模。成形時側(cè)壁的不同部位變形特點不完全相同丘形蓋板件在成形過程中的坯件變形不是簡單的拉伸變形，而是拉伸和脹形變形同時存在的復(fù)合成形。壓料面上坯件的變形為拉伸變形(徑向為拉應(yīng)力，切向為壓應(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)。南山本地精密拉伸五金件哪里好</p><p style="text-indent:25px">深圳市銘豐慶五金制品有限公司致力于五金、工具，是一家生產(chǎn)型公司。公司業(yè)務(wù)涵蓋五金沖壓，精密彈簧，精密五金模具，眼鏡配件等，價格合理，品質(zhì)有保證。公司從事五金、工具多年，有著創(chuàng)新的設(shè)計、強大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。銘豐慶五金制品憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1436656.html</p></div></div></div></div></div><div id="7fbyfjv" class="page-right twoColRt"><div id="7eli3e2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="x8myqmd" 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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="fujfmtv" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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