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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="c3o3evw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074021494141/8351680.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kja2lm3" 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>坪山質(zhì)量精密拉伸五金件哪里好,精密拉伸五金件</p><p><span>***更新：</span>2020-09-15 02:06:14</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="wkvmi88" 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: </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="nqhizxd" class="page-proshow02"><p class="title">詳細說明</p><div id="edeq7ms" class="box"><p><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，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，消除容器壁厚偏差，增加容器表面的光滑度，提高精度和強度面板產(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)則形狀的薄壁零件技術(shù)特點：拉伸公差可達±0，坪山質(zhì)量精密拉伸五金件哪里好，坪山質(zhì)量精密拉伸五金件哪里好，坪山質(zhì)量精密拉伸五金件哪里好.015mm、外觀無瑕疵、可做到R/T＜1.0。坪山質(zhì)量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="坪山質(zhì)量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 style="text-indent:25px">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(jīng)過多次過渡逐漸成形。階梯拉伸法是首先將坯料拉伸成階梯形過渡件，其階梯外形與錐形部的內(nèi)形相切，***脹形成錐形。階梯過渡件的拉伸次數(shù)、工藝等與階梯圓筒件的拉伸相同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。坪山本地精密拉伸五金件廠家可采用熱處理來獲取良好的機械性能、物理性能和抗腐蝕性能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="坪山質(zhì)量精密拉伸五金件哪里好,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074239697266/6761125.png"></div><p> ①控制機械的運動，如內(nèi)燃機中的閥門彈簧片、離合器中的控制彈片等。 </p> <p> <br /> </p> <p> ②吸收振動和沖擊能量，如汽車、火車車廂下的緩沖彈片、聯(lián)軸器中的吸振彈片等。 </p> <p> <br /> </p> <p> ③ 貯存及輸出能量作為動力，如鐘表彈片、***中的彈片等。 </p> <p> <br /> </p> <p> ④用作測力元件，如測力器、彈片秤中的彈片等。彈片的載荷與變形之比稱為彈片剛度，剛度越大，則彈片越硬。按受力性質(zhì)，彈片可分為拉伸彈片、壓縮彈片、扭轉(zhuǎn)彈片和彎曲彈片，按形狀可分為碟形彈片、環(huán)形彈片、板彈片、螺旋彈片、截錐渦卷彈片以及扭桿彈片等。 </p> <p> <br /> </p><p style="text-indent:25px">變薄拉伸加工：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，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，消除容器壁厚偏差，增加容器表面的光滑度，提高精度和強度。面板拉伸加工：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存在的復(fù)合成形。逆向拉伸加工：將前工序的拉伸工件進行反向拉伸，工件內(nèi)側(cè)變成外側(cè)，并使其外徑變小的加工。拉伸件成型沖壓加工是禾聚精密的六大技術(shù)之一。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="坪山質(zhì)量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> 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，操作方便，易于實現(xiàn)機械化和自動化。這是因為沖壓是通過沖壓模具和沖壓設(shè)備來完成的。普通壓力機的沖程數(shù)可達到每分鐘幾十次，高速壓力可達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 /> 拉伸量要控制在百分之一的擺布。羅湖耐磨精密拉伸五金件的用途和特點</p><p style="text-indent:25px">要注意寬厚比較高，弧度大、壁厚細、形狀奇怪等鋁合金材料的小腳。坪山質(zhì)量精密拉伸五金件哪里好</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 /> 坪山質(zhì)量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)型的公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下五金沖壓，精密彈簧，精密五金模具，眼鏡配件深受客戶的喜愛。公司將不斷增強企業(yè)重點競爭力，努力學(xué)習(xí)行業(yè)知識，遵守行業(yè)規(guī)范，植根于五金、工具行業(yè)的發(fā)展。銘豐慶五金制品秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br 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