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id="74ri48a" class="leftbox clearfix"><h1>汕頭沖壓精密拉伸五金件模具銘豐慶五金制品供應</h1><div id="3ijl4xr" class="proBig"><div id="jy4v8ta" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074327705079/4833510.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="etdpjvc" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074327705079/4833510.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="yixod3h" 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)品關鍵詞：</span>汕頭沖壓精密拉伸五金件模具,精密拉伸五金件</p><p><span>***更新：</span>2020-09-04 07:07:26</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="rliazqs" 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="kz3ujv7" class="page-proshow02"><p class="title">詳細說明</p><div id="ihek33b" class="box"><p><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，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，不需要其他加熱設備，汕頭沖壓精密拉伸五金件模具，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，汕頭沖壓精密拉伸五金件模具，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備來完成的。普通壓力機的沖程數(shù)可達到每分鐘幾十次，汕頭沖壓精密拉伸五金件模具，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 /> 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。汕頭沖壓精密拉伸五金件模具</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="汕頭沖壓精密拉伸五金件模具,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074327705079/4833510.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?；萆?jīng)_壓精密拉伸五金件模具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="汕頭沖壓精密拉伸五金件模具,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074053916016/1058647.png"></div><p style="text-indent:25px">矩形拉伸加工一次拉伸成形的低矩形件。拉伸時，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沖壓件的側(cè)壁為斜面時，側(cè)壁在沖壓過程中是懸空的，不貼模，直到成形結(jié)束時才貼模。成形時側(cè)壁的不同部位變形特點不完全相同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(nèi)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)。</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，表面形狀復雜。在拉伸工序中，毛坯變形復雜，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合成形五金沖壓拉伸成型作為主要的沖壓工序之一，應用非常***。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)則形狀的薄壁零件鋁合金拉伸件加工注意事項有：在取料、移動、拉伸中材料不能相互碰擦。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="汕頭沖壓精密拉伸五金件模具,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074274453125/5442382.png"></div><p style="text-indent:25px">拉伸系數(shù)非常重要，一個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)公式進行計算。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、厚度、拉伸結(jié)構類型、拉伸次數(shù)、拉伸速度、拉伸鑲件圓弧過度大小等等。不過，一般都可以查表進行大概計算。拉伸件在調(diào)試模具過程中經(jīng)常會遇到拉裂、起皺等問題。如果出現(xiàn)拉裂，需要考慮材料流動問題，可以在凹模上涂潤滑油不要在凸模涂，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含量的模具類型，不管是對設計、加工、組裝、還是調(diào)試都是一個挑戰(zhàn)，需要十分謹慎。例如同等的拉伸高度，如果選擇塑性比較差的金屬材料，就需要用更多的拉伸步距或中途退火?；萆?jīng)_壓精密拉伸五金件模具</p><p style="text-indent:25px">聚氨酯涂層是一種為適應環(huán)保需求而研制開發(fā)的一種新型綠色特殊涂層，有良好的耐磨和耐腐蝕性。汕頭沖壓精密拉伸五金件模具</p><p style="text-indent:25px">深錐形件由于深度變形程度較大，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沖壓成形方法將初拉伸進行再拉伸成形為臺階形底部。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。汕頭沖壓精密拉伸五金件模具</p><p style="text-indent:25px">深圳市銘豐慶五金制品有限公司主要經(jīng)營范圍是五金、工具，擁有一支專業(yè)技術團隊和良好的市場口碑。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。公司從事五金、工具多年，有著創(chuàng)新的設計、強大的技術，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1150489.html</p></div></div></div></div></div><div id="xmj73i2" class="page-right twoColRt"><div id="3jfex7x" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="crofct8" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="srjvcov" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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