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href="http://www.cdcfah.com/cp/third-wjgj_qtwjgj/">其他五金工具</a>?惠州本地精密拉伸五金件加工廠銘豐慶五金制品供應(yīng)</p><div id="gv77vyj" class="leftbox clearfix"><h1>惠州本地精密拉伸五金件加工廠銘豐慶五金制品供應(yīng)</h1><div id="gs0vt9s" class="proBig"><div id="eab7csi" 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="npw8pjh" 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="uw3jj2r" 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>惠州本地精密拉伸五金件加工廠</p><p><span>***更新：</span>2020-06-24 18:30:24</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="tafxw3v" 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="mot6fq0" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="e8wbqo6" class="box"><p><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，惠州本地精密拉伸五金件加工廠、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，惠州本地精密拉伸五金件加工廠，而對(duì)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，惠州本地精密拉伸五金件加工廠、再拉伸加工：即對(duì)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 /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="惠州本地精密拉伸五金件加工廠" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074188476563/7643580.png"></div><p> </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(shí)壁厚變薄，既消除壁厚偏差，又使容器表面光滑。按照沖壓時(shí)的溫度情況有冷沖壓和熱沖壓兩種方式。這取決于精密小五金拉伸件材料的強(qiáng)度、厚度、變形程度以及設(shè)備能力等，同時(shí)應(yīng)考慮材料的原始熱處理狀態(tài)和**終使用條件。按照沖壓時(shí)的溫度情況有冷沖壓和熱沖壓兩種方式。這取決于精密小五金拉伸件材料的強(qiáng)度、厚度、變形程度以及設(shè)備能力等，同時(shí)應(yīng)考慮材料的原始熱處理狀態(tài)和**終使用條件。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="惠州本地精密拉伸五金件加工廠" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074327705079/4833510.png"></div><p style="text-indent:25px">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)。但是，拉伸系數(shù)也不是固定不變的。影響拉伸系數(shù)的因素比較多，其中包括：材料型號(hào)、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。拉伸件在調(diào)試模具過程中經(jīng)常會(huì)遇到拉裂、起皺等問題。如果出現(xiàn)拉裂，需要考慮材料流動(dòng)問題，可以在凹模上涂潤(rùn)滑油不要在凸模涂，或者在產(chǎn)品靠凹模一面覆0.013--0.018mm的薄膜就是鉗工師傅常用的纏繞膜。則皺，少則裂，按此方法判斷材料的流動(dòng)情況。調(diào)整方案：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。拉伸件總之是比較有技術(shù)含量的模具類型，不管是對(duì)設(shè)計(jì)、加工、組裝、還是調(diào)試都是一個(gè)挑戰(zhàn)，需要十分謹(jǐn)慎。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/378037.html</p></div></div></div></div></div><div id="ubgsusb" class="page-right twoColRt"><div id="sslrpvt" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2qhi07d" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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