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class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074093007813/4737142.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nry2oiz" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074093007813/4737142.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="9spjvry" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>坪山質量精密拉伸五金件哪里買,精密拉伸五金件</p><p><span>***更新：</span>2020-07-31 08:14:23</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="1sykmtf" 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>網址: </span></p><p><span>手機: </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="qkwdkgs" class="page-proshow02"><p class="title">詳細說明</p><div id="h8g9pb3" class="box"><p><p> 我們都知道拉伸是主要的沖壓工序之一，其應用***。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，使之成形為帶底的容器。容器的側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，坪山質量精密拉伸五金件哪里買、半球形容器及拋物線面容器等的拉伸加工，坪山質量精密拉伸五金件哪里買，其中還包含擴形加工，坪山質量精密拉伸五金件哪里買。 </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品，需要將拉伸加工的成形產品進行再次拉伸，以增加成形容器的深度。 </p> <p> <br /> </p> <p> <br /> 奧氏體不銹鋼的冷作硬化**高；坪山質量精密拉伸五金件哪里買</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="坪山質量精密拉伸五金件哪里買,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074093007813/4737142.png"></div><p style="text-indent:25px">精密拉伸件就必須保證潤滑劑能***的發(fā)揮作用應力要小，精密度才能保持在0.03mm內。精密拉伸件根據材料的不同，潤滑劑可以選擇的種類不一樣，比較軟的材料如紫銅，可以硬脂酸鋅與動物油配成的潤滑劑，精密拉伸件材料是鐵低碳鋼以前都用磷化皂化工藝在材料表面附上一層潤滑劑效果非常好，但現在因為環(huán)境問題都改配方了，有的用硫化豬油和硫化脂肪酸酯為主劑調和而成，據說效果也還不錯。精密拉伸件材料是鋁材質的，有人用柴油加一點汽油做潤滑劑也能達到好好的效果?？傊芾旒欢ㄒ鶕煌慕饘俨馁|配方不同的潤滑劑生產，千萬不要以為潤滑劑越濃越好，好的潤滑劑表現是與金屬材料表面結合的緊但又容易清洗掉，所以精密拉伸件的潤滑劑是每個金屬加工廠都絞盡腦汁配方體驗而不輕易示人的東西。坪山質量精密拉伸五金件哪里買環(huán)氧煤瀝青涂層是一種雙組分涂層，該涂層具有較高的附著力和非常光滑的表面。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="坪山質量精密拉伸五金件哪里買,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074118720704/923197.png"></div><p> 邊緣拉伸加工：對前工序拉伸產品的凸緣部進行角形再拉伸加工，此種加工要求材料具有良好的塑性。 </p> <p> <br /> </p> <p> 深度拉伸加工：超過拉伸加工極限的拉伸加工產品，需要經過兩次以上的多次拉伸方能完成。經過前工位深度方向拉伸加工的產品，在深度方向進行再拉伸加工。 </p> <p> <br /> </p> <p> 錐形拉伸加工：h/d>0.8、α =10°～30°的深錐形件，由于深度較大，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，需要經過多次過渡逐漸成形。 </p> <p> <br /> </p><p style="text-indent:25px">矩形再拉伸加工（Rectangular redrawing）：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進行高矩形盒件加工時，多次拉伸過程中制件外形、尺寸伴隨拉伸高度的變化。臺階拉伸加工（Step drawing）：將左側初拉伸產品進行再拉伸加工，成形為右側的臺階形底部。深度較深的部分在拉伸成形的初期就產生變形，深度較淺的部分在拉伸的后期產生變形。在臺階變化部分的側壁易誘發(fā)切應力產生變形便于散熱均勻，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="坪山質量精密拉伸五金件哪里買,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074188476563/7643580.png"></div><p style="text-indent:25px">丘形拉伸加工：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合成形。壓料面上坯件的變形為拉伸變形(徑向為拉應力，切向為壓應力)，而輪廓內部(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力)。帶凸緣半球形拉伸加工：球形件拉伸時，毛坯與凸模的球形頂部局部接觸，其余大部分處于懸空的不受約束的自由狀態(tài)。因此，此類球面零件拉伸的主要工藝問題在于局部接觸部分的嚴重變薄，或曲面部分的失穩(wěn)起皺。加之坯料的變形熱使得坯料和金屑熔蓋在模具的表面上，使工件外表擦傷產生劃痕。耐磨精密拉伸五金件的用途和特點</p><p style="text-indent:25px">具有很高的附著力和光潔度，是一種沖壓件防腐蝕涂層。坪山質量精密拉伸五金件哪里買</p><p style="text-indent:25px">隨著國內專業(yè)制造領域需求增大和銷售渠道體系逐步完善，以往加工企業(yè)擔心的內銷量小、回款慢的情況也有巨大改善。企業(yè)既可以自建內銷體系，也可以與綜合實力強的貿易經銷商合作共同開拓市場。目前[ "五金沖壓", "精密彈簧", "精密五金模具", "眼鏡配件" ]產品已逐步形成系列化、標準化、品牌化，不*品種規(guī)格齊全，產品質量穩(wěn)定，而且引進的部分名優(yōu)產品在國際市場上也有一定的競爭力。行業(yè)之間的國際交流更加頻繁。有限責任公司企業(yè)領導和管理人員的素質得到提高，已成為我國的工具。可持續(xù)發(fā)展的新動力。五金公司對品牌意識的覺醒使更多的公司認識到創(chuàng)新服務對品牌建設的重要性。實際上，一些大型原材料分銷商通過與國外**品牌原材料制造商的長期合作，越來越感受到品牌的力量，并欣賞品牌為產品帶來的價值及其優(yōu)勢。帶給企業(yè)的發(fā)展。坪山質量精密拉伸五金件哪里買</p><p style="text-indent:25px">深圳市銘豐慶五金制品有限公司坐落在深圳市龍崗區(qū)平湖街道辦新木社區(qū)居委會老村路24號，是一家專業(yè)的一般經營項目是：五金制品、彈簧、眼鏡配件、塑膠制品、電子產品的生產和購銷（不含限制項目）（取得消防部門驗收合格后方可開業(yè)）。汽車、電器、電子、眼鏡、智能穿戴、智能通信、五金商標禮品等行業(yè)的配件的生產。公司。唯才是舉，唯能是用：擁有優(yōu)秀人才51~100人和，是實現企業(yè)戰(zhàn)略目標的基礎，是企業(yè)持續(xù)發(fā)展的動力。公司以誠信為本，業(yè)務領域涵蓋[ "五金沖壓", "精密彈簧", "精密五金模具", "眼鏡配件" ]，我們本著對客戶負責，對員工負責，更是對公司發(fā)展負責的態(tài)度，爭取做到讓每位客戶滿意。公司力求給客戶提供***質量服務，我們相信誠實正直、開拓進取地為公司發(fā)展做正確的事情，將為公司和個人帶來共同的利益和進步。經過幾年的發(fā)展，已成為[ "五金沖壓", "精密彈簧", "精密五金模具", "眼鏡配件" ]行業(yè)**企業(yè)。</p></p><br /><p>文章來源地址: 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