坪山精密拉伸五金件哪里好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="拉伸加工：使用壓板裝置，利用凸模的沖壓力，將平板材的一部分或者全部拉入凹模型腔內(nèi)，使之成形為帶底的容器。容器的側(cè)壁與拉伸方向平行的加工，是單純的拉伸加工，而對圓錐（或角錐）形容器、半球形容器及拋物線面容器等的拉伸加工，其中還包含擴(kuò)形加工。再"><meta name="keywords" content="坪山精密拉伸五金件哪里好,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 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clearfix"><h1>坪山精密拉伸五金件哪里好銘豐慶五金制品供應(yīng)</h1><div id="8z9vs88" class="proBig"><div id="4cbxugd" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074188476563/7643580.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="53hjb3t" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074188476563/7643580.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="h2rt8eb" 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>坪山精密拉伸五金件哪里好,精密拉伸五金件</p><p><span>***更新：</span>2020-09-09 02:09:21</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="f8fxc33" 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="u7yvcev" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ipe83kb" class="box"><p><p> 拉伸加工：使用壓板裝置，利用凸模的沖壓力，將平板材的一部分或者全部拉入凹模型腔內(nèi)，使之成形為帶底的容器。容器的側(cè)壁與拉伸方向平行的加工，是單純的拉伸加工，而對圓錐（或角錐）形容器、半球形容器及拋物線面容器等的拉伸加工，其中還包含擴(kuò)形加工。 </p> <p> <br /> </p> <p> 再拉伸加工：即對一次拉伸加工無法完成的深拉伸產(chǎn)品，需要將拉伸加工的成形產(chǎn)品進(jìn)行再次拉伸，以增加成形容器的深度。 </p> <p> <br /> </p> <p> 逆向拉伸加工：將前工序的拉伸工件進(jìn)行反向拉伸，工件內(nèi)側(cè)變成外側(cè)，并使其外徑變小的加工。 </p> <p> <br /> </p> <p> 變薄拉伸加工：用凸模將已成形容器擠入比容器外徑稍小的凹模型腔內(nèi)，使帶底的容器外徑變小，同時壁厚變薄，既消除壁厚偏差，坪山精密拉伸五金件哪里好，坪山精密拉伸五金件哪里好，又使容器表面光滑，坪山精密拉伸五金件哪里好。 </p> <p> <br /> 要注意寬厚比較高，弧度大、壁厚細(xì)、形狀奇怪等鋁合金材料的小腳。坪山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="坪山精密拉伸五金件哪里好,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074188476563/7643580.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)。坪山精密拉伸五金件哪里好拉伸量要控制在百分之一的擺布。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="坪山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> 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？***要改變滑移時的摩擦狀態(tài)?？梢杂靡簯B(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 /> </p><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 /> 造成表面劃痕的因素有：不銹鋼拉伸件的表面會出現(xiàn)劃痕是由于工件與模具表面存在相對的移動。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="坪山精密拉伸五金件哪里好,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074021494141/8351680.png"></div><p> 我們都知道拉伸是主要的沖壓工序之一，其應(yīng)用***。用拉伸工藝可以制成圓筒形、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。接下來，小編就為您介紹下五金沖壓拉伸成型加工工藝。 </p> <p> <br /> </p> <p> 1、拉伸加工：使用壓板裝置，利用凸模的沖壓力，將平板材的一部分或者全部拉入凹模型腔內(nèi)，使之成形為帶底的容器。容器的側(cè)壁與拉伸方向平行的加工，是單純的拉伸加工，而對圓錐(或角錐)形容器、半球形容器及拋物線面容器等的拉伸加工，其中還包含擴(kuò)形加工。 </p> <p> <br /> </p> <p> 2、再拉伸加工：即對一次拉伸加工無法完成的深拉伸產(chǎn)品，需要將拉伸加工的成形產(chǎn)品進(jìn)行再次拉伸，以增加成形容器的深度。 </p> <p> <br /> </p> <p> <br /> 不銹鋼拉伸中導(dǎo)致開裂形成的原因有。東莞防腐精密拉伸五金件哪里買</p><p style="text-indent:25px">鋁酸鹽水泥涂層或***鹽水泥涂層。坪山精密拉伸五金件哪里好</p><p style="text-indent:25px">一般拉伸件產(chǎn)品材料是由客戶指定鋼廠牌號，但是同一種材料可能會有不同型號，比如冷軋板就分：08Al、08、08F、10、15、20號鋼，如果選擇不當(dāng)就可能設(shè)計不出合格產(chǎn)品。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。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。坪山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。銘豐慶五金制品致力于為客戶提供良好的五金沖壓，精密彈簧，精密五金模具，眼鏡配件，一切以用戶需求為中心，深受廣大客戶的歡迎。公司秉持誠信為本的經(jīng)營理念，在五金、工具深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢，打造五金、工具良好品牌。銘豐慶五金制品立足于全國市場，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1209587.html</p></div></div></div></div></div><div id="ice78a3" class="page-right twoColRt"><div id="zyqaxuw" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wq8x2hj" class="recomPic likePro"><a 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