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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>?中山?jīng)_壓精密拉伸五金件廠家銘豐慶五金制品供應(yīng)</p><div id="xqszryv" class="leftbox clearfix"><h1>中山?jīng)_壓精密拉伸五金件廠家銘豐慶五金制品供應(yīng)</h1><div id="hgi7r7z" class="proBig"><div id="tczbd32" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074217617188/3733191.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8hewc2c" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074217617188/3733191.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="au8ch3g" 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>中山?jīng)_壓精密拉伸五金件廠家,精密拉伸五金件</p><p><span>***更新：</span>2020-07-26 17:17:45</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="lk7l7xp" 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="ywia7bd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="bk3azln" class="box"><p><p> 精密拉伸沖壓中，鋁合金拉伸件是比較難加工的，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。 </p> <p> </p> <p> 鋁合金拉伸件加工注意事項(xiàng)有：在取料、移動、拉伸中材料不能相互碰擦，堆疊以及纏繞等，相互之間要留有一定的空隙。對容易折彎、出料長短的鋁合金材料要及時(shí)處理。 </p> <p> </p> <p> 原材料要冷卻到50°以下才能移到拉伸架上進(jìn)行拉伸加工，溫度過高會燙到作業(yè)員和燙壞坯毛條，也不能徹底的消除材料內(nèi)應(yīng)力從而產(chǎn)生廢品。 </p> <p> <br /> </p> <p> 由于毛條有阻熱效果，中山?jīng)_壓精密拉伸五金件廠家，裝飾外表需求高的鋁合金材料要多翻轉(zhuǎn)，便于散熱均勻，從而減少橫向亮斑。 </p> <p> <br /> </p> <p> 要注意寬厚比較高，弧度大，中山?jīng)_壓精密拉伸五金件廠家、壁厚細(xì)、形狀奇怪等鋁合金材料的小腳、薄齒、長腿、圓弧面、傾斜面、開口、視點(diǎn)等受力情況，避免材料部分或者點(diǎn)狀尺度變形、扭曲、螺旋等。 </p> <p> <br /> </p> <p> 拉伸量要控制在百分之一的擺布，中山?jīng)_壓精密拉伸五金件廠家，沖壓過程中需根據(jù)原材料的出料實(shí)際情況與各種具體需求加以調(diào)整。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> <p> <br /> 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。中山?jīng)_壓精密拉伸五金件廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中山?jīng)_壓精密拉伸五金件廠家,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074217617188/3733191.png"></div><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。龍崗精密拉伸五金件的用途和特點(diǎn)技術(shù)特點(diǎn)：拉伸公差可達(dá)±0.015mm、外觀無瑕疵、可做到R/T＜1.0。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中山?jīng)_壓精密拉伸五金件廠家,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074239697266/6761125.png"></div><p style="text-indent:25px">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。凸凹模之間的間隙小于毛坯厚度，毛坯直壁部分在通過間隙時(shí)，處于較大的均勻壓應(yīng)力之下，拉伸過程中壁厚變薄的同時(shí)，消除容器壁厚偏差，增加容器表面的光滑度，提高精度和強(qiáng)度面板產(chǎn)品是板材沖壓件，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(shí)存在的復(fù)合成形五金沖壓拉伸成型作為主要的沖壓工序之一，應(yīng)用非常***。用拉伸工藝可以制成各種圓筒形、矩形、階梯形、球形、錐形、拋物線形及其他不規(guī)則形狀的薄壁零件</p><p style="text-indent:25px">1、圓筒拉伸加工：帶凸緣(法蘭)圓筒產(chǎn)品的拉伸。法蘭與底部均為平面形狀，圓筒側(cè)壁為軸對稱，在同一圓周上變形均勻分布，法蘭上毛坯產(chǎn)生拉深變形。 2、橢圓拉伸加工：法蘭上毛坯的變形為拉伸變形，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，毛坯的塑性變形量就越大;反之，曲率越小的部分，毛坯的塑性變形越小。3、矩形拉伸加工：一次拉伸成形的低矩形件。拉伸時(shí)，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。4、山形拉伸加工：沖壓件的側(cè)壁為斜面時(shí)，側(cè)壁在沖壓過程中是懸空的，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。這取決于塑性材料的拉伸變形量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中山?jīng)_壓精密拉伸五金件廠家,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074145996094/6078502.png"></div><p style="text-indent:25px">曲面成形加工：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。臺階拉伸加工：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。反向拉伸加工：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)。堆疊以及纏繞等，相互之間要留有一定的空隙。珠海金屬精密拉伸五金件哪里買</p><p style="text-indent:25px">拉伸件應(yīng)用于機(jī)械、電子、電器、儀表、汽車、航空、**產(chǎn)品。中山?jīng)_壓精密拉伸五金件廠家</p><p> 毛坯與凸凹模中心不合或五金拉深件沖壓材料厚度不均勻，以及凹模圓角半徑和凸凹模間隙不均勻，凹模圓角半徑太大，在拉深的***階段脫離了壓邊圈，使尚未越過圓角的材料壓邊圈壓不到起皺后被拉入凹模形成口緣褶皺。 </p> <p> <br /> </p> <p> 五金拉深件邊緣不平對策： </p> <p> <br /> </p> <p> 五金拉深件沖模重新定位，校正凹模圓角半徑和凸凹模間隙使其大小均勻后再投入生產(chǎn)減少凹模圓角半徑或采用弧形壓邊圈裝置即可消除褶皺。為什么有的拉伸件廠家沖壓出來的不銹鋼拉深件表面那么光滑，無劃痕？有的生產(chǎn)出來的工件卻是大批量的出現(xiàn)劃痕。 </p> <p> <br /> </p> <p> 經(jīng)過工程師分析發(fā)現(xiàn)，不銹鋼拉深件表出現(xiàn)的那些劃痕是在沖壓移滑的過程中造成的。該怎么防止出現(xiàn)劃痕呢？***要改變滑移時(shí)的摩擦狀態(tài)。可以用液態(tài)潤滑、涂油覆膜、噴涂刷油以及凹模強(qiáng)制潤液等涂抹方式。 </p> <p> <br /> 中山?jīng)_壓精密拉伸五金件廠家</p><p style="text-indent:25px">深圳市銘豐慶五金制品有限公司坐落深圳市龍崗區(qū)平湖街道辦新木社區(qū)居委會老村路24號，交通便利，環(huán)境優(yōu)美，是一家生產(chǎn)型企業(yè)。公司是一家有限責(zé)任公司企業(yè)，以誠信務(wù)實(shí)的創(chuàng)業(yè)精神、質(zhì)量高效的管理團(tuán)隊(duì)、精悍的職工隊(duì)伍，努力為廣大用戶提供***的產(chǎn)品。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" ]，價(jià)格合理，品質(zhì)有保證，深受廣大客戶的歡迎。銘豐慶五金制品自成立以來，一直堅(jiān)持走正規(guī)化、專業(yè)化路線，得到了廣大客戶及社會各界的普遍認(rèn)可與大力支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/708359.html</p></div></div></div></div></div><div id="feqcz8f" class="page-right twoColRt"><div id="apryfho" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2v2gnz3" 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) 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